A06_Specifications.docx

Salient Characteristics

NON-CONTACT VELOCITY MEASUREMENT SYSTEM

This equipment will be used for making non-contact measurements of the velocity of open rivers and channels at remote data collection gaging stations located across the US.

Non-Contact Velocity Measurement System

Shall be capable of non-contact measurement of flow velocity using the Doppler frequency shift principle.

Shall be suitable for use on open rivers and channels.

Shall be able to detect flow direction.

Shall be capable of determining sensor inclination and capable of automatic vertical angle compensation with an accuracy of at least ±1° and a resolution 0.1°.

Shall have a distance to water surface measurement range up to at least 120m and a blanking distance of no more than 0.5 m.

Shall be capable of measuring velocities up to +/- 15 m/s with an accuracy of at least +/-0.01 m/s, +/-1%.

Shall have an IP rating of IP67 or better.

Shall be capable of operating from an external 12 VDC nominal power source.

Shall have integrated lightning protection.

Shall have an operating temperature range of at least -35° to 60°C (-31° to 140°F).

At a minimum, shall have SDI-12 and RS-485 interfaces.

Shall include mounting brackets and hardware for mounting system on a 1.5” nominal pipe size.

Shall have a maximum standby power consumption of no more than 1 mA when powered with 12 volts.

Shall include a 10-m data cable.

Shall include RS485 to USB adapters and cables.

Hydrological Services P/N: 17191, RG-30 Non-Contact Velocity Measurement System or equivalent.

NON-CONTACT LEVEL/VELOCITY DISCHARGE MEASUREMENT SYSTEM

This equipment will be used for non-contact monitoring of water velocity and stage for calculation of discharge at remote data collection gaging stations located near rivers and streams across the US.

Non-Contact Level/Velocity Discharge Measurement System

Shall be capable of non-contact measurement of (1) flow velocity and using the Doppler frequency shift principle, and (2) water level using time transit or similar methodologies.

Shall be suitable for use on open rivers and channels.

Shall be able of detecting flow direction in tidal influenced bodies of water.

Shall be capable of determining sensor inclination and capable of automatic vertical angle compensation with an accuracy of at least ±1° and a resolution 0.1°.

Shall have a distance to water surface measurement range up to at least 35 m and a blanking distance of no more than 0.5 m.

Shall be capable of measuring velocities up to +/- 15 m/s with an accuracy of at least +/-0.01 m/s, +/-1%.

Shall be capable of measuring stage ranging from 0 to at least 15 m with an accuracy of at least +/-2 mm.

Shall be capable of performing both stage and velocity measurements simultaneously.

Shall be capable of calculating and reporting real-time discharge measurements.

Shall have an IP rating of IP67 or better.

Shall be capable of operating from an external 12 VDC nominal power source.

Shall have integrated lightning protection.

Shall have an operating temperature range of at least -35° to 60°C (-31° to 140°F).

At a minimum, shall have SDI-12 and RS-485 interfaces.

Shall include mounting brackets and hardware for mounting system on a 1.5” nominal pipe size.

Shall have a maximum standby power consumption of no more than 1 mA when powered with 12 volts.

Shall include a 10-m data cable.

Shall include RS485 to USB adapters and cables.

Hydrological Services P/N: 17193, RQ-30 Non-Contact Discharge Measurement System or equivalent.

Extended Range Non-Contact Level/Discharge Measurement System:

The system described above shall be available with an extended water level range from at least 0 to 35 m (115 ft.)

Hydrological Services P/N’s: 19424, RQ-30 a35, or equivalent.

SYSTEM SOFTWARE FOR SENSORS AND LOGGERS

This software will be used with the sensors and data loggers described herein.

System Software for Sensors and Loggers

A modelling software package, for use with the radar measurement systems and data loggers described herein, shall be available.

Shall include features that facilitate parameterization and data transfer when used with the sensors and data loggers described herein.

Shall be capable of generating discharge tables using profiles and transmitting these to the velocity discharge measurement system described herein.

Shall be capable of transmitting data from the loggers described herein.

Shall be capable of displaying measurement values of sensors and loggers described herein.

Shall be capable of recording and display of radar spectrums.

Shall include features supporting the management of stations and connections.

Shall, at a minimum, support serial, modem, Bluetooth, socket, and IP-call connections.

Shall be compatible with Microsoft Windows based systems.

Hydrological Services P/N: 20470 Q-Commander or equivalent.

BUBBLER ORIFICE CHAMBER

This equipment will be used to as part of a gas bubbler system to collect water level information at remote data collection gaging stations located near rivers and streams across the US.

Bubble Orifice Chamber

Shall be compatible for use with USGS gas bubbler systems.

Shall support operation with bubble rates of at least 10 bubbles per minute.

Shall include a stainless steel union fitting for connection to a standard 2-inch pipe thread.

The union fitting shall be adjustable and allow adjustments up to at least 30 degrees from the horizontal.

Shall include a ¼ inch NPT brass fitting for connection to USGS 3/8-inch outside diameter polyethylene tubing.

Shall include provisions (or suitable materials) to prevent growth of aquatic organisms on the unit.

Packaging and Marking

Each orifice chamber shall be individually boxed in one box with sufficient packing material to protect the unit from multiple shipments. The vendor shall affix the Government supplied bar code labels to each box. Government bar code labels will be supplied following contract award.

Hydrological Services P/N: GC01-P or equivalent.

SOUNDING REEL CABLE CONNECTOR

This device will be used with USGS Ellsworth sounding reel cables.

Sounding Reel Cable Connector

Shall be a suitable replacement for the USGS Type-B Connector.

Shall be compatible with USGS Ellsworth sounding reel cables 0.10” and 0.125” in diameter.

Shall be capable of being attached to the Ellsworth reel cable, without the use of screws or fasteners, for the purpose of joining the reel cable to a sounding weight.

Shall be made of corrosion resistant materials.

Shall have a minimum breaking strength of 1,600 pounds.

Hydrological Services P/N: C1 or equivalent.

TIPPING BUCKET RAIN GAGE

This equipment is used by Water Science Centers at various locations around the country to measure rainfall.

Tipping Bucket Rain Gage

Shall be a tipping bucket type.

Shall have a nominal 8-inch diameter orifice.

Shall have a resolution of 0.01 in.

Shall have a range of at least 0 to 25 in./hr.

Units shall be available with the following accuracies:

Shall have a range of at least 0 to 15 in/hr.

Shall operate from external 12 VDC.

Shall have an operating temperature range of at least 4 to 70 degrees C.

Shall include a bulls-eye level fitted to the base of the unit.

Shall include facilities for leveling the unit.

Shall have mounting holes to allow unit to be secured to a mounting surface.

Shall include a 15-foot, 2-conductor cable.

Shall be made of corrosion resistant materials.

Shall use non-corroding hardened bearings in the bucket assembly.

Shall have a user adjustable calibration.

Shall have calibration adjustment from the top and side.

Shall have non-corroding metal calibration screws.

Shall have non-corroding insect screen on open holes and drain outlets.

Shall have dual reed switch outputs.

Shall include terminal block for signal wire connections.

Shall include drain fittings for attaching drain tubing to catch rainfall from buckets.

Shall include keyed outer enclosure to enable the release of the enclosure without the need to remove the securing screws.

A syphon, or other mechanism, to control bucket tips during heavy rainfall events shall be available on certain models.

Hydrological Services P/N’s: TB3/0.01/T, TB4/0.01/T, TB6/0.01/T, TB7/0.01 or equivalent.

Accessories:

The following rain gage accessories shall be available:

Bird Guard:

Shall be a device that easily attaches to the rain gages, described above, to deter birds from landing/nesting on the gage.

Shall be attached with no more than 2 fasteners.

Shall be made of corrosion resistant materials.

Hydrological Services P/N: TB333 or equivalent.

Pole Mounting Bracket:

A pole mounting bracket or fixture, that allows the rain gages, described above, to be attached to a 2” nominal threaded pipe, shall be available Shall include necessary hardware for attaching/leveling the rain gage on the pipe.

Shall be made of corrosion resistant materials.

Hydrological Services P/N: TB334 or equivalent.

Field Calibration Kits:

A portable field calibration kit, that allows the rain gages, described above, to be calibrated and checked for accuracy in the field, shall be available in two different versions (314 ml version and 653 ml version).

Shall be made of corrosion resistant materials.

Shall include a carrying case with handle and with protective foam inserts. Shall weigh no more than 2.0 kg’s.

Calibration cylinders shall have volumes of 314 ml and 653 ml.

314 ml version shall include at least 1 nozzle (50 ml/hr. rate).

653 ml version shall include at least 1 nozzle (100 ml/hr. rate).

Hydrological Services P/N’s: FCD314/50, FCD650/100, or equivalent.

TIPPING BUCKET RAIN GAGE HEATER KIT

This equipment is used with compatible rain gages, by Water Science Centers, at various cold-climate locations around the country to facilitate rainfall measurement.

Tipping Bucket Rain Gage Heater Kit

Shall consist of a thermostatically controlled heating element kit that is compatible with, at least one of, the tipping bucket rain gages described herein.

Shall be capable of monitoring the ambient temperature and automatically operating the heater.

Shall be capable of melting snow accumulation in the funnel and preventing freezing of the tipping bucket assembly.

Shall be capable of operating only when snow is detected for the purpose of reduced energy consumption.

Shall operate over a range of temperature from -40 to 70 degrees C.

Shall include an SDI-12 interface.

Hydrological Services P/N: TB3H-LP or equivalent

CURRENT METER SIGNAL PROCESSORS

This equipment will be used as part of a mechanical current meter system to aid in the measurement and collection of streamflow data.

Current Meter Signal Processors

Shall be compatible with all impulse USGS type current meters including Price AA and Pygmy type current meters, magnetic switch meters and cat whisker meter.

Shall be capable of digitally processing and cleaning up (eliminating noisy signals) from cat whisker and magnetic switch type meters.

Shall allow for a direct velocity reading.

Shall support velocity measurements over a range of at least 0.05 ft. /sec. to 50 ft. /sec.

Shall be capable of mounting to the top of the USGS top setting wading rod.

Shall be compatible with USGS SV Mobile AQ (SVMAQ) software.

Shall be capable of direct calculation of instantaneous and mean velocity.

Shall be capable of displaying and producing a “spin test” record.

Shall include a built-in LCD display, shall have at least 8 characters per line x 2 lines.

Shall be capable of displaying total meter counts and elapsed time.

Shall include a buzzer that produces an audible sound to indicate a switch closure.

Shall include an RS-232 interface.

Shall be powered from internal AA or AAA alkaline batteries.

Shall operate over a range of temperatures from at least -5C to 50C, non-condensing.

Hydrological Services P/N: CMCSP or equivalent.

CURRENT METER COUNTER WITH BLUETOOTH

This equipment will be used as part of a mechanical current meter system to aid in the measurement and collection of streamflow data.

Current Meter Counter with Bluetooth

Shall be compatible with all impulse USGS type current meters including Price AA and Pygmy type current meters, magnetic switch meters and cat whisker meter.

Shall be capable of counting meter contact closures.

Shall be capable of digitally processing and cleaning up (eliminating noisy signals) from cat whisker and magnetic switch type meters.

Shall include a Bluetooth interface.

Shall be compatible with the Stream Discharge Computer and Field Calibration Device described herein.

Shall include LED indicators for battery status, Bluetooth status, and contact closure counts.

Shall include a buzzer that produces an audible sound to indicate a switch closure.

Shall be powered from internal AA alkaline batteries.

Shall be waterproof.

Shall operate over a range of temperatures from at least -20 to 60 degrees C.

Hydrological Services P/N: CMCBT or equivalent.

COMPACT BUBBLER SYSTEM

This equipment will be used for making water level measurements at remote data collection gaging stations located near rivers and streams across the US.

Compact Bubbler System

Shall meet USGS requirements for stage accuracy measurements and shall measure stage with a total measurement certainty of no more than 0.01 ft. or 0.1% of indicated reading, whichever is larger over a temperature range of at least -40° to 60°C.

Shall be available in a 0 to 30 PSI range and 0 to 60 PSI range.

Shall include a built-in keypad/display user interface.

Shall not require the use of desiccant.

Shall allow for an adjustable bubble rate from 0 to 45 bubbles per minute.

Shall include features that allow for local gravity corrections.

Shall be capable of an operating and storage temperature range of at least -40° to 60°C.

Shall be powered by external 12 VDC (nominal) power source.

Shall include SDI-12 and 4-20 mA interfaces.

Shall include a 1/4 in. NPT fitting for the pressure inlet port and a 3/8 in. orifice line output port that is compatible with USGS orifice line tubing.

Shall be housed in a corrosion resistant enclosure.

Hydrological Services P/N’s: HS40AFC/3100A or HS40AFC/3100, or equivalent.

Accessories:

The following accessory shall be available:

Dual Orifice Manifold:

Shall be compatible with the compact bubbler system described above.

Shall consist of a dual river line manifold.

Shall include individual stop valves.

Hydrological Services P/N: HS40/D0 or equivalent.

CABLEWAY GAGING SYSTEM

This equipment will be used to facilitate performing discharge measurements at remote data collection gaging stations on rivers and streams across the US.

Cableway Gaging System

Shall consist of a remote-controlled, self-propelled, portable cableway traversing system for facilitating performing discharge measurements at rivers and streams.

Shall be capable of being added to existing USGS cableways over rivers or steams to make Acoustic Doppler Current Profilers (ADCP) tethered boat flow measurements.

Shall have safety features to prevent accidental detachment and reduce the risk of injury to field personnel.

Shall include a built-in device (such as an encoder) for distance measurement across the stream.

Shall be capable of operating on cableway spans as long as 650 ft (200 m).

Shall be capable of operating on steel cables from 3/8 in. to 9/16 in. in diameter. Shall have an optional system available that is compatible with cable diameters from 5/8” to 1 ¼ in.

Shall be capable of operating by wireless remote control.

Shall have distance measurement of at least 0.01 m (0.01 ft) resolution.

Shall include wireless remote control and winch.

Shall automatically return to home position if communication is lost for at 2 minutes or more, or if battery voltage is less than 10.5V.

Shall be capable of operating on 12V 18Ah battery.

Shall have adjustable traversing speed of at least 0.6 m/sec (2 ft/sec).

Shall have braking system that activates when stationery and releases when remote control is switched off.

Wireless Remote Control:

Shall be portable and hand-held.

Shall have a built-in charger.

Shall have variable speed control capabilities to raise and lower cable control, forward and reverse control, and speed control.

Shall have a communication range of at least 1300 ft (400 m) line of sight.

Shall be capable of battery voltage monitoring.

Shall be capable of operating in radio frequency license-free 868 MHz band.

Shall be capable of operating on at least 3 (three) NiMn 2.5Ah AA batteries in emergencies.

Shall have LCD backlit readout and LED indicators for communication, and errors.

Hoist:

Shall be compatible with specs above.

Shall operate off the Cableway Gaging System’s power.

Shall have cable synthetic rope at least 12.2 m (40 ft) long.

Shall have lifting capacity of at least 220 lbs.

Hydrological Services P/N’s: CFX/1632-H or CFX/1014-H, or equivalent.

PORTABLE ADCP TOWING SYSTEM

This equipment will be used to facilitate performing discharge measurements at remote data collection gaging stations on rivers and streams across the US.

Portable ADCP Towing System

Shall consist of a portable, remote-controlled, ADCP towing system for use with ADCP tethered boats.

Shall be capable of being operated from a 5/16” diameter, low stretch, high-strength, rope secured across the river or stream.

The towing, positioning system shall include an electric motor (other similar device) to facilitate movement along the rope.

Shall be capable of operating at variable speeds from 0.1 to at least 1.5 ft. sec.

Shall include a hand-held, wireless remote control, with back-lit LCD.

LCD shall be capable of displaying, at a minimum, transect speed, distance travelled from starting point, battery voltage, and wireless signal strength.

Shall include a radio transmitter with a range of at least 500 ft. over a license-free radio band.

Tow system shall operate from a rechargeable 12 VDC power source. Remote control shall operate from type AA batteries.

Shall include safety lock features that prevent loss of the tethered ADCP system.

System shall include a lockable, carrying case with handle for all system components.

Hydrological Services P/N: FFX or equivalent.

CABLEWAY GAGING SYSTEM FOR EXISTING CABLEWAYS

This equipment will be used to facilitate performing discharge measurements at existing, fixed, USGS cableway sites. These cableways are located remote data collection gaging stations on rivers and streams across the US.

Cableway Gaging System for Existing Cableways

Shall consist of a cableway towing system that facilitates discharge measurements at existing, fixed USGS cableway sites.

Shall be capable of being used with an ADCP system or a mechanical current meter system (meter/sounding wt.) to perform discharge measurements.

System shall include a motorized drive controller, hoist (with manual winch), traveler block assembly and cable, remote control, batteries and chargers, turnbuckles, cable sheaves, and necessary hardware.

Shall include a device that alerts the operator when the sounding weight has contacted the streambed.

Drive Controller:

Shall include the motor and electrical controls, and brake assembly, necessary to power/drive the carriage system.

Shall be capable of traversing the carriage at speeds up to 1 m/s (3.2 ft./sec.)

Shall operate from 110/240 VAC power Shall be capable of determining distance measurement with a resolution of 0.01 ft.

Hoist:

Shall be capable of supports loads up to at least 200 lbs.

Shall be powered by a 12 VDC power source.

Shall be capable of determining depth measurement with a resolution of 0.01 ft.

Shall be capable of sending data to the remote control.

Remote Control:

Shall be capable of calculating depth, angle of cable drift, and current meter contact closures.

Shall include a back-lit LCD.

Shall include controls/switches for controlling forward/reverse movements of the carriage, raising/lowering the measuring load, and a variable speed control for the carriage movement.

Shall have LED’s for communication and fault indication.

Shall have a range of at least 0.5 miles.

Shall include a wireless line-of-sight radio that operates over a license free radio band.

Shall be powered by AA batteries.

Hydrological Services P/N: Hornet Plus or equivalent.

Support Post Heads:

Shall include an option for system support post heads.

Shall include operating and far side post heads.

Shall be capable of fully supporting cableway towing system.

Shall include facilities for mounting components to the head posts.

Hydrological Services P/N: HRN-60 or equivalent.

BANK OPERATED CABLEWAY

This equipment will be used to facilitate performing discharge measurements with ADCP’s at remote data collection gaging stations on rivers and streams across the US.

Bank Operated Cableway

Shall be a remotely operated cableway system compatible for use with Acoustic Doppler Current Profiler (ADCP) systems for the purpose of streamflow discharge measurement.

Shall include a built-in variable speed motor and controller system.

Shall include an electric winch, with distance counter, that is capable of being attached to a standard 4” galvanized pipe.

Shall have a max span of at least 100 meters (328 ft.).

Shall have a speed drive capability of at least 0.6 m/s (2.0 ft/sec.).

Shall measure traversing speed with at least a 0.01 m resolution.

Shall include a brake to hold load (ADCP) in any position.

Shall include a wireless remote control capable of operating from rechargeable AA batteries or replaceable alkaline AA batteries.

Remote shall operate over at least 400 m via line of sight radio communication.

Shall have an LCD, with backlighting, display for viewing traversing measurements.

Cableway system shall be powered by a 12 VDC nominal power source.

Hydrological Services P/N: SMK1/P or equivalent.

Manual Version:

Shall be available, as described above, in a manually powered version.

Shall not include a 12 VDC powered controller system.

Shall include a manual winch with distance counter.

Shall have the capability to hold the load (ADCP) at any position.

Hydrological Services P/N: SMK1 or equivalent.

Wire Rope:

Wire rope shall be available that can be ordered to desired length.

Shall be 3/16 in. in diameter, and stainless-steel wire.

Hydrological Services P/N: SC-104-28 or equivalent.

NON-CONTACT WATER LEVEL RADAR

The USGS Hydrologic Instrumentation Facility needs to purchase non-contact radar water level sensors. This equipment will be used for measuring water levels at data collections sites all over the country.

Non-Contact Water Level Radar

Shall meet USGS requirements for stage accuracy measurements and shall measure stage with a total measurement certainty of no more than 0.01 ft. or 0.1% of indicated reading, whichever is larger over a temperature range of at least -40° to 60°C.

Shall be capable of an operating range of 0 to 35m (0 to 114 ft.).

Shall be capable of an operating and storage temperature range of at least -40° to 60°C.

Shall include an LCD with backlit push buttons.

Shall be powered by 12 VDC (nominal) power source.

Shall include an SDI-12 interface.

Shall have a mechanical IP rating of at least IP65.

Antenna shall be fully sealed.

Shall include a mounting bracket.

Shall include 15-ft SDI-12 hookup cable.

Hydrological Services P/N: HYP235/SDI-12/LCD or equivalent.

NON-CONTACT WATER LEVEL RADAR WITH 80 GHz TECHNOLOGY

The USGS Hydrologic Instrumentation Facility needs to purchase non-contact radar water level sensors. This equipment will be used for measuring water levels at data collections sites all over the country.

Non-Contact Water Level Radar with 80 GHz Technology

Shall meet USGS requirements for stage accuracy measurements and shall measure stage with a total measurement certainty of no more than 0.01 ft. or 0.1% of indicated reading, whichever is larger over a temperature range of at least -40° to 60°C.

Shall be capable of an operating range of 0 to 30m (0 to 98 feet).

Shall employ 80 GHz radar technology.

Shall have a beam angle of 4 degrees or less.

Shall be capable of an operating and storage temperature range of at least -40° to 60°C.

Shall be powered by 12 VDC (nominal) power source.

Shall include an SDI-12 interface.

Shall include 4-20 mA, HART, or MODBUS outputs.

Shall include a Bluetooth communications interface.

Shall have a mechanical IP rating of at least IP66.

Antenna shall be fully sealed.

Shall include an SDI-12 hookup cable that is at least 15 ft long.

Hydrological Services P/N: HYC230S10 or equivalent.

0-15 M (0-49 ft) Version:

Shall be available, as described above, with a range of 0-15 m.

Shall have a beam angle of 8 degrees or less.

Hydrological Services P/N: HYC215S10 or equivalent.

Mounting Bracket:

An optional mounting bracket compatible with the radars described above shall be available.

Shall be made of corrosion resistant materials.

Shall be adjustable.

Hydrological Services P/N: HYC/MB/8 or equivalent.

STREAM GAGING COMPUTER SYSTEM

This equipment will be used as part of a mechanical current meter system to aid in the measurement and collection of streamflow data.

Stream Gaging Computer System

Shall consist of a stream discharge software package operating on a mobile, computer tablet device.

Shall be capable of collecting, calculating, displaying, and transmitting streamflow discharge measurement data.

Shall include a Bluetooth interface that is compatible with the Current Meter Signal Processor, or Current Meter Counter devices described herein.

Shall include a touchscreen, sunlight readable color display.

Shall include a waterproof and shockproof case with an IP rating of at least IP67.

Shall include WiFi communications.

Shall include an internal camera with at least 3.1 MPixel resolution.

Shall include internal GPS.

Shall operate over a range of temperatures from at least -20 to 60 C.

Shall include at least 16 GB of internal data storage.

Shall include an internal rechargeable battery with up to at least 10 hours of operating life on a single charge.

Shall be provided with a car charger adapter.

Hydrological Services P/N: HTB-01 or equivalent.

Stream Gaging Computer System with Counter:

Shall be available as a package including the Computer, as described above, and the Current Meter Counter w/Bluetooth as previously described.

Shall include wading rod mounting clamp.

Hydrological Services P/N: HTB-01/CMCBT or equivalent.

Mounting Clamp:

Shall be a mounting clamp that allows attachment of the Computer to a wading rod.

Shall be made of corrosion resistant materials.

Hydrological Services P/N: HTB04 or equivalent

CURRENT METER DISPLAY WITH STREAMBED DETECTOR

This equipment will be used as (1) part of a mechanical current meter system to aid in the measurement and collection of streamflow data, and (2) a device that detects equipment contact with the streambed.

Current Meter Display with Streambed Detector

Shall consist of an electronic device with display that interfaces to a mechanical current meter system for the collection of water velocity data.

Shall include a mechanical device that alerts the operator, with an audible beep, whenever the sounding weight (part of the meter system) contacts with the streambed.

Shall be compatible with all impulse USGS type current meters including Price AA and Pygmy type current meters, magnetic switch meters and cat whisker meter.

Shall be capable of counting meter contact closures.

Shall be capable of digitally processing and cleaning up (eliminating noisy signals) from cat whisker and magnetic switch type meters.

Shall be capable of capturing and displaying meter “spin test” data.

Shall allow for entry and storage of current meter rating equation data.

Shall be compatible with the Stream Gaging Computer described herein.

Shall include a Bluetooth interface and RS-232 interface.

Shall include a backlit LCD for displaying data.

Shall include LED indicators and a low battery indicator.

Shall operate from internal standard alkaline batteries.

Shall operate over a temperature range from at least -5 to 50 degrees C.

Hydrological Services P/N: PVD200 or equivalent

DATALOGGER WITH INTEGRATED TELEMETRY

This equipment will be used to collect and transmit environmental data from various water level, water flow, and water quality sensors located at remote data collection gaging stations located near rivers and streams all over the United States.

Datalogger with Integrated Telemetry

Shall consist of a compact data logger capable of collecting, processing, and storing measurement data from environmental sensors.

Shall include a variety of input channels including analog, pulse, digital, potentiometer, and frequency.

Shall have SDI-12 and RS-485 interfaces.

Shall have built-in keypad and backlit display.

Data and programs shall be stored in either Flash memory or in RAM Shall have at least 4 Mbytes of flash memory data storage.

Shall operate from 12 VDC power.

Shall include an integrated solar charger.

Shall have a Bluetooth communication interface.

Shall have an RS-232 interface.

Shall operate over a temperature range of -30 to 60 degrees C.

Shall be housed in a waterproof enclosure with an IP rating of at least IP67.

Shall be capable of sending SMS and email messages.

Shall include an integrated wireless 4G modem.

Shall include an internal GPS receiver.

Hydrological Services P/N: 20061, MRL7/4G or equivalent

Accessories:

The following accessory shall be available:

Interface Cable:

Shall be a communication cable (readout) that is compatible with the logger described above.

Hydrological Services P/N: 20181, or equivalent.

WIRELESS (IP CAPABLE) DATALOGGER

This equipment will be used to collect and telemeter environmental data from various water level, water flow, and water quality sensors located at remote data collection gaging stations located near rivers and streams all over the United States.

Wireless (IP Capable) Datalogger

Shall consist of a compact data logger capable of collecting, processing, and storing measurement data from environmental sensors.

Shall include a variety of input channels including analog, pulse, digital, potentiometer, and frequency.

Shall support a variety of telemetry options including: wireless modem, Iridium satellite, ethernet or RS232/RS485.

Shall be capable of simultaneous dual telemetry functionality.

Shall be IP capable.

Shall have an SDI-12 interface.

Shall have a built-in keypad and backlit display.

Shall have WiFi capability.

Shall have at least 16 Mbytes of internal data storage.

Shall operate from 12 VDC power.

Shall have RS-232 and RS-485 communication interfaces.

Shall have remote diagnostic and programming capabilities.

Shall have an SD card slot with removable SD card.

Shall operate over a temperature range of at least -30 to 60 degrees C.

Shall be housed in a waterproof enclosure with an IP rating of at least IP67.

Shall include an integrated wireless cellular 4G modem.

Hydrological Services P/N: IQ270 or equivalent

WIRELESS DATALOGGER WITH DUAL COMMUNICATIONS

This equipment will be used to collect and telemeter environmental data from various water level, water flow, and water quality sensors located at remote data collection gaging stations located near rivers and streams all over the United States.

Wireless Datalogger with Dual Communications

Shall consist of a compact data logger capable of collecting, processing, and storing measurement data from environmental sensors.

Shall include a variety of input channels including analog, pulse, digital, potentiometer, and frequency.

Shall support a variety of telemetry options including: wireless modem, Iridium satellite, ethernet or RS232/RS485.

Shall be capable of simultaneous dual telemetry functionality.

Shall include an Iridium modem.

Shall be IP capable.

Shall have an SDI-12 interface.

Shall have a built-in keypad and backlit display.

Shall have WiFi capability.

Shall have at least 16 Mbytes of internal data storage.

Shall operate from 12 VDC power.

Shall have RS-232 and RS-485 communication interfaces.

Shall have remote diagnostic and programming capabilities.

Shall have an SD card slot with removable SD card.

Shall operate over a temperature range of at least -30 to 60 degrees C.

Shall be housed in a waterproof enclosure with an IP rating of at least IP67.

Hydrological Services P/N: IQ270-DC or equivalent

COMPACT WIRELESS IP-DATALOGGER W/SDI-12

This equipment will be used to collect and telemeter environmental data from various water level, water flow, and water quality sensors located at remote data collection gaging stations located near rivers and streams all over the United States.

Compact Wireless IP-Datalogger w/SDI-12

Shall consist of a compact data logger capable of collecting, processing, and storing measurement data from environmental sensors.

Shall include a variety of input/output channels including at least 2 analog inputs, at least 2 digital I/O channels, and 2 digital inputs.

Shall include an integrate 3G/4G cellular modem.

Shall be capable of FTP reporting of logged data.

Shall have an SDI-12 interface.

Shall have WiFi capability.

Shall have LED’s to indicate operational status and status of communication devices.

Shall have at least 16 Mbytes of internal data storage.

Shall be capable of logging system data including temperature, battery voltage, current, and RSSI signal strength.

Shall operate from 12 VDC power.

Shall operate over a temperature range of at least -40 to 70 degrees C.

Shall be housed in an enclosure with an IP rating of at least IP65.

Hydrological Services P/N: IQUC/SDI-12 or equivalent

OPTICAL NITRATE SENSOR

This sensor will be used for detecting nitrates in various water bodies at water monitoring sites all over the United States.

Optical Nitrate Sensor with Fixed Cable

Shall be a UV type optical sensor used for detecting and determining nitrate concentrations in various water bodies located all over the US.

Shall be available in measurement ranges of 1, 2, 5, and 10 mm path lengths.

Shall have measurement ranges of 0.5 to 60 mg/l for 1 mm path length and 0.05 to 6 mg/l for 10 mm path length.

Shall have a measurement accuracy of +/-(5% +1 mg/l) for 1 mm and+/- (5% + 0.1 mg/l) for 10 mm path length and path length, or better.

Shall include internal compensation for temperature, turbidity, and organic substances.

Shall not require the use of reagents.

Shall include at least 4 detection channels.

Shall include an SDI-12 interface or output capability.

Shall operate from external 12 VDC (nominal) power source.

Shall have data logging capability of at least 2 GB.

Shall be available in a stainless steel or titanium housing version.

Shall have an Ingress Protection rating of at least IP68 or better.

Shall operate over a range of temperatures from at least +2 to + 40 degrees C.

Shall be provided with a fixed cable at least 10 m long.

Hydrological Services P/N’s: 15S401000, 15S301000, 15S201000, 15S101000, or equivalent.

Optical Nitrate Sensor with Detachable Cable

The sensor described above shall be available with the same path length options listed above and a detachable cable interface.

Hydrological Services P/N’s: 15S401010, 15S301010, 15S201010, 15S101010, or equivalent.

Detachable Cables

Cables at least 25 m in length shall be available to interface with the units listed above.

Cables shall be available with open wires or an M12 connector.

Hydrological Services P/N’s: 50A014500, 50A013500 or equivalent.

Wiper Assembly

A wiper assembly capable of attaching to the sensor above shall be available Shall be used for cleaning the sensors’ optics.

Shall be powered from 12 VDC (nominal) power.

Hydrological Services P/N: 02A100008 or equivalent.

Wiper Blades

Replacement wiper blades and an axis for the wiper assembly above shall be available.

Hydrological Services P/N’s: 02A100608, 02A100508, 02A100208, 02A100108 or equivalent.

G2 Interface Box

Shall be used for configuration and calibration of the nitrate sensor.

Shall include a web interface.

Shall include an integrated M12 connector and an RJ45 jack for LAN connection.

Shall be available with and and without a Wi-Fi interface.

Hydrological Services P/N’s: 11C100000, 11C200000 or equivalent.

Additional Accessories

Various accessories shall be available to support use and operation of the nitrate sensor including:

Polyurethane cable with M12 connector on one end and open wires on opposite end for connection to the data loggers described herein.

Polyurethane extension cables, at least 10 m in length, with M12 or M8 connectors, for use with the nitrate sensor or wiper assembly.

An SDI-12 adapter device that allows the output from nitrate sensor to be converted to SDI-12 format.

A device, such as a leak-proof container or sealed collar, that attaches to the nitrate sensor allowing the sensor to be calibration checked without the need to immerse the sensor in the medium solution.

A protection device, or guard, that protects the sensor and wiper during deployment.

Hydrological Services P/N’s: 50A034132, 50A033300, 50A022300, 11C100001, 10A300000, 00P100010 or equivalent.

SNOW SCALE

This sensor will be used for measuring the Snow Water equivalent (SWE) of a snow pack at monitoring sites across the United States.

Snow Scale

Shall be capable automated continuous measurement of snow water equivalent of a snow pack.

Shall be capable of a measurement range from 0 to at least 3,000 mm (120 inches) of SWE.

Shall be capable of operating on surfaces with an inclination up to at least 5°.

Shall have a measurement accuracy of 0.3% full scale, or better.

Shall have a measuring surface area of at least 6 sq. meters (64.6 sq. ft.).

Shall have an SDI-12 and RS-485 serial interface.

Shall be capable of analog outputs.

Shall have an operating temperature range from at least -35 to 60 degrees C.

Shall operate from an external 12 VDC (nominal) power source.

Shall not require the use of anti-freeze.

Shall be available for ordering with different SWE measurement ranges of 1,000, 2,000, or 3,000 mm.

Hydrological Services P/N’s: 20756, 20757, 20758 or equivalent

SNOW DEPTH SENSOR

This sensor will be used for measuring snow depth at monitoring sites across the United States.

Snow Depth Sensor

Shall be capable of continuously detecting the reflective surface of snow to measure snow depth using a non-contact method.

Shall have a snow depth measurement range between 0 to at least 10 m with a measurement duration of no longer than 20 seconds, and a resolution of 1 mm, or better.

Shall have a measurement accuracy of 1% full scale, or better.

Shall have an SDI-12 and RS-485 serial interface.

Shall include a 4-20 mA analogue interface.

Shall be capable of integrated compensation of air temperature.

Shall consume no more than 0.01 Ah per day at 15-minute measurement intervals.

Shall have an operating temperature range from at least -35 to 60 degrees C.

Shall operate from an external 12 VDC (nominal) power source.

Hydrological Services P/N: 21069 or equivalent

SNOW MELT ANALYZER

This sensor will be used for monitoring snow melt and predicting water run-off at monitoring sites across the United States.

Snow Melt Analyzer

Shall be capable of measuring liquid water content, ice content, and air content parameters.

Shall be capable automated continuous measurement of snow water equivalent (SWE) of a snow pack.

Shall be capable of a measurement range from 0 to at least 3,000 mm (120 inches) of SWE.

Shall be capable of operating on surfaces with an inclination up to at least 5°.

Shall have a SWE measurement accuracy of 0.3% full scale, or better.

Shall have a measuring surface area of at least 6 sq. meters (64.6 sq. ft.).

Shall have an SDI-12 and RS-485 serial interface.

Shall have an RS-232 interface.

Shall have an operating temperature range from at least -35 to 60 degrees C.

Shall operate from an external 12 VDC (nominal) power source.

Shall not require any calibration.

Hydrological Services P/N: 17694 or equivalent