Salient_Characteristics.pdf

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Attached to
Current Meters Federal contract opportunity
Solicitation number
G15PS00450
Issued by
Department of the Interior US Geological Survey

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Salient Characteristics

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Salient Characteristics PR #0040145991

The Hydrologic Instrumentation Facility (HIF) needs to procure current meter signal processor devices to aid in the measurement and collection of streamflow data.

Current Meter Signal Processor Devices

Salient Features for Current Meter Signal Processor Devices

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

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 SWAMI or SV Mobile Discharge Measurement 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 Bluetooth interface

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

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