1_-_PD_Rev4_19M-290A-TE_ATCH.pdf

19M-290A-TE

14 January 2019

Rev 4

Attachment 1

PURCHASE DESCRIPTION

FOR

Humidity Generator

1.0 SCOPE: The Humidity Generator shall be a portable, self-contained system that is capable of producing stable atmospheres of known humidity and temperature using a two-pressure, two-temperature saturated vapor stream principle. It will replace the Thunder Scientific 2500S units. It shall have the capability to calibrate humidity sensors, hygrothermographs, chilled mirror hygrometers, and other environmental measuring devices.

2.0 PERFORMANCE REQUIREMENTS:

2.1 Operations: The Humidity generator while in use shall have an air source as part of the system. Both humidity generator and air source shall be self-contained and be able to move as a single unit. The Humidity Generator shall also be capable of being connected to an external air source that is not part of the system.

2.2 Units: The Humidity Generator shall be able to display at least the following engineering units:

2.2.1 Flowrate: SLPM

2.2.2 Pressure: PSIA

2.2.3 Temperature: °C & °F;

2.2.4 Relative Humidity: % RH

2.3 Resolution: The Humidity Generator shall be able to display a resolution of one-tenth the uncertainty of the units being displayed below, or better:

2.3.1 Humidity

2.3.2 Temperature

2.3.3 Pressure

2.4 Range: The Humidity Generator shall have the following ranges or better:

2.4.1 Humidity: 10 to 95% RH

2.4.2 Temperature: 0 °C to 70 °C

2.5 Temperature Probe Uncertainty: The Humidity Generator temperature probes shall have an uncertainty of no more accurate than the following:

2.5.1 Temperature: ± 0.024 °C

2.5.2 Chamber Temperature Probe: The Humidity Generator shall have a chamber temperature probe that shall be able to be placed anywhere in the chamber and bundled with test items.

2.6 Humidity Uncertainty: The Humidity Generator shall have an uncertainty of at least the following:

2.6.1 Humidity: ± 0.5 %RH [*throughout the entire chamber, when chamber temperature is within 10 °C of ambient lab temperature (see 2.8.1).]

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2.6.1.1 The “entire chamber” is defined as the volume of the test chamber minus a 1 inch boundary layer from any door or wall surface.

2.6.2 Humidity: ± 0.5 %RH (*at the chamber temperature probe, throughout the temperature range stated in 2.4.2.)

2.7 Reliability: The Humidity Generator shall be capable of maintaining its uncertainty for up to 12 months.

2.8 Environmental Requirements: The Humidity Generator shall be able to operate or be stored in the following environmental conditions:

2.8.1 Operating Temperature: 65 to 80 °F

2.8.2 Storage Temperature: 32 to 122 °F

2.8.3 Humidity: 5 to 95% RH Non-condensing

2.9 Warm-Up Time: The Humidity Generator shall require a warm-up time of not greater than 1 hour.

3.0 FUNCTIONAL REQUIREMENTS:

3.1 Display: The screen shall display all critical control and measurement parameters that are essential to the operation of the Humidity Generator. The display shall utilize easily-read fonts on a screen with high contrast between characters and background. The display shall use engineering measurement units (see paragraph 2.2 above). Each parameter on the screen shall be easily identified and read. The display shall distinguish between ‘set points’ and ‘actual’ measured quantities. It shall be a digital display.

3.2 Humidity Control: Known, stable humidity shall be generated by precise control of saturated fluids that are at different pressures and temperatures. No other devices such as humidity sensors, hygrometers, psychrometers, or desiccants shall be used to control or measure this type of water vapor content.

3.3 Temperature Control: The temperature control shall be maintained by controlling the temperature of fluid as it is circulated around the chamber and associated humidity generation components. The chamber and saturation temperatures shall be measured and controlled internally. The heating and cooling rate shall be no more than 3.5 minutes per °C on the average.

3.4 Pressure and Flow Control: The Humidity Generator shall be capable of automatically setting the desired pressure and flowrate. Pressure and flowrates shall be measured continuously. The Humidity Generator shall have the capability for the operator to set pressure and flowrates by manually adjusting the set point on the keypad.

3.5 Automated or Manual Control: The Humidity Generator shall be able to automatically and manually generate specified humidity/temperature values needed to calibrate a DUT (device under test).

3.6 Keyboard & Mouse: The Humidity Generator shall be capable of using a keyboard and mouse. The Humidity Generator shall be provided with a keyboard and mouse.

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3.7 Stylus: If a touchscreen display is provided with the Humidity Generator, a stylus shall be provided with the unit.

4.0 MECHANICAL & PHYSICAL REQUIREMENTS:

4.1 Mobility: The Humidity Generator and all ancillary equipment shall be capable of being transported throughout a lab together as a self-contained unit. The Humidity Generator shall have either rollers, wheels, or casters for transportation.

4.2 Accessories: The contractor shall provide any and all peculiar fixtures and accessories that involve a complete system calibration.

4.2.1 Chamber Rack: Contractor shall provide a rack to elevate devices under test to the center of the chamber.

4.3 Access for Calibration: All pressure and temperature sensors shall have access for calibration support. All pressure and temperature sensors in the system shall use the Humidity Generator’s software and display during calibration.

4.4 Construction: The Humidity Generator shall be designed and constructed of materials that meet the requirements of this specification and in accordance with the best commercial practices for industry approved equipment. It shall be the contractor’s responsibility to assure the government that such design objectives as reliability, accuracy of operation, maintainability and ease of operation have been given due consideration in the manufacture of this equipment. All parts such as shafts, bearings, regulators, switches, controls, connectors, etc., shall have proper clearance and adjustments. They shall work together so that the equipment shall supply the rated requirements without unnecessary strains, vibrations, and overheating. They shall be able to withstand the conditions met in shipping, storage, installation, and services. All materials and parts of this equipment shall be capable of withstanding environmental testing requirements of this specification.

4.5 AC Power Rating: The power required to operate the Humidity Generator shall be either ~120 VAC at 50/60 Hz or ~220 VAC at 50/60 Hz. The Humidity Generator shall not draw more than 18 Amps.

4.6 Test Chamber: The test chamber shall have, as a minimum, dimensions of 12”W x 10”D x 12”H. It shall have a door for access to the chamber and a window for viewing of the test item. The dimensions of the door shall be at least the width and the height of the test chamber. The dimensions of the window shall be at least 6" x 6" for viewing of the device under test. The chamber shall also have at least two access ports to the chamber for insertion/mounting of probes and sensors that are attached to cables and other indication instruments. As a minimum, the access holes shall be no smaller than 1" in diameter and shall be sealed with a solid insulating plug. Also, there shall be at least 10 additional 'blank' plugs provided with the system that will give the user the ability to configure the plug to accommodate a number of cable sizes and arrangements.

4.7 Footprint: The Humidity Generator shall be able to fit through a 3 feet wide by 6 feet tall doorway for installation purposes. The humidity generator shall be no more than 5 feet long.

4.8 Individual Unique Identifier Designation: This item shall be clearly labeled with a model number, serial number, and manufacturer’s name. Unique item identification labeling shall follow Item Identification and Valuation requirements as stated in the contract.

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4.9 Electrical Protection: If the Humidity Generator operates on AC line power, it shall have a fuse or circuit breaker to protect it in the event of excessive current. The AC line power fuses shall be user serviceable without removing any covers /panels or voiding a manufacturer’s service warranty.

5.0 CENTRAL PROCESSING UNIT (CPU): The Humidity Generator shall be operated by a multifunctional CPU in conjunction with other peripheral cards to perform control and calculation functions. The CPU shall have set point control and be capable of continuous system data acquisition.

Humidity, temperature, and flow rates shall be inputted manually by the operator, while visual indications of system status shall be displayed in real time on the screen. Also, the CPU shall have the capability of storing the calibration coefficients in a non-volatile memory for all of the transducers until the next calibration.

5.1 Software/Firmware: Software/Firmware for system control, data presentation, and data acquisition and reduction shall be provided by the contractor. The software/firmware shall be capable of operating on the supplied CPU. The software/firmware shall include, at a minimum, the following features:

5.1.1 Display real time actual and manual configured set points for humidity, temperature and flowrate

5.1.2 Shall include automated control of user set points

5.1.3 Shall have the ability to control set point and constant data acquisition

5.1.4 Control of pressure and temperature ratios to produce stable humidity

5.1.5 Regulation of heating and cooling units

5.1.6 Calibration:

5.1.6.1 Software/firmware shall have a function for the calibration of all calibrated components

5.1.6.2 Shall be able to store and access calibration coefficients

5.1.6.3 During calibration, software/firmware shall display standard deviation of recent readings to give an indication of stability of the set point.

5.1.6.4 During calibration, software/firmware shall display raw data and corrected data

5.1.7 Software/Firmware Identification: Software/firmware version shall automatically display upon startup. All software/firmware used in conjunction with instrument shall be identified by Name, Version, and Date; which is to be displayed upon startup or located in an “About” menu in the software/firmware.

5.1.8 Software/Firmware Warranty:

5.1.8.1 The contractor shall warrant that the software/firmware product meets this purchase description and is free from defects in design and operation and will perform to stated specifications within this purchase description.

5.1.8.2 The contractor shall (at no additional cost) update, or replace the software/firmware product as necessary to correct any deficiencies identified in the software/firmware. Replacement software/firmware shall meet or exceed the requirements in this purchase description. This condition applies to all units purchased under this contract.

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5.2 Controller: The Humidity Generator software/firmware shall operate on either an internal controller or external controller.

5.2.1 Internal Controller: IF only an internal controller is supplied, it shall have the following:

5.2.1.1 Input Output (I/O) External Ports, Slots, and Connectors: At minimum, the following types of I/O interface connections must be available on the controller or via port replication:

5.2.1.1.1 USB: Minimum of two integrated USB 3.0

5.2.1.1.2 External video support

5.2.1.2 Hard Drive:

5.2.1.2.1 120 GB (Minimum) Hard Drive

5.2.2 External Controller: IF an external controller is supplied, it is required that it can efficiently operate under Microsoft Windows 10 Professional 64 bit operating system. All major components of the system must be commercially available and fully supportable by commercial sources. Where specific brands are identified in this specification, no substitutes are allowed without prior approval from the AFMETCAL. The Controller must meet or exceed Microsoft Windows 10 Professional hardware requirements.

5.2.2.1 Processor:

5.2.2.1.1 CPU PassMark Score: 4,000 or higher

5.2.2.1.2 Supports Credential Guard: Virtualization Extensions (Intel

VT-x or AMD-V)

5.2.2.1.3 Supports Device Guard: VT-d or AMD-Vi; IOMMU

(Input/output Memory Management units)

5.2.2.1.4 Supports Extended Page Tables (Second Level Address

Translation)

5.2.2.1.5 Supports Direct Memory Access (DMA)

5.2.2.1.6 UEFI Firmware V. 2.4 (or higher)

5.2.2.2 Memory: Minimum 8 GB system Memory.

5.2.2.3 Input Output (I/O) External Ports, Slots, and Connectors: At minimum, the following types of I/O interface connections must be available on the controller or via port replication:

5.2.2.3.1 USB: Minimum of three integrated USB 3.1 and one

Thunderbolt Type 3/USB-C (Adapters are acceptable)

5.2.2.3.2 USB-C to USBA Adapter w/USB-C port

5.2.2.3.3 Ethernet: One 10/100/1000 BaseT Ethernet port.

5.2.2.3.4 Video: G3D Video PassMark Score: 500 or higher

5.2.2.3.4.1 External video support

5.2.2.3.4.2 Adapter to DVI connection

5.2.2.4 Display Panel: 17-inch (diagonal) or larger viewable display.

5.2.2.5 Hard Drive:

5.2.2.5.1 120 GB (Minimum) Hard Drive

5.2.2.5.2 FIPS 140-2 certified SED

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5.2.2.6 DVD-ROM: Internal or External DVD +/- RW dual layer or Blue-Ray

5.2.2.7 Operating System and Software: All software must run under Microsoft Windows 10 (Professional operating system or greater 64bit, latest version release). All software must run Windows 10 as a non-elevated user. Shall be supplied with Microsoft Word and Excel, latest release with a non-renewable license.

5.3 Additional Hardware: Additional hardware required to make this system function as identified by this purchase description shall be required.

6.0 OPERATOR’S MANUAL: As stated in the data attachment, DD1423, and DiDs manuals shall include the following:

6.1 Individual Component Listings: The manual shall list the individual components which includes OEM manufacturer’s name, and OEM part number. If applicable, include component range and uncertainty.

6.2 Calibration and Alignment Procedures: The manual shall have calibration (verification) and alignment procedures for calibrating and aligning the pressure transducers, temperature sensors, and any other component that requires periodic calibration.

6.3 Remote Command Listings: The manual shall list the input/output parameters, command strings and other pertinent data required to accomplish remote operation of the Humidity Generator.

6.4 Maintenance: The manual shall include preventative maintenance inspection procedures and intervals required for proper operation of the unit.

7.0 TRAINING: A minimum of 2 days (8 hours per day) on-site training for the first production unit shall be provided. Training shall include instruction on how to operate, maintain, and calibrate the Humidity Generator. Minimum training by the contractor shall include:

7.1 A complete review of all topics in the operating manual.

7.2 Instruction on the use of all software functions and menus.

7.3 Instruction of calibrator maintenance methods.

7.4 Instruction on how to periodically calibrate the Humidity Generator.

8.0 TESTING: The Humidity Generator will be inspected and accepted at a destination specified elsewhere in this contract. The item will be checked with test equipment and parameters equal to or better than those required assuring specified performance requirements are met. Test equipment has first echelon certification directly traceable to the National Institute of Standards and Technology (NIST) or other AFMETCAL approved sources where required. Test will be performed to assure the Humidity Generator meets or exceeds all of the requirements of this purchase description. Such testing does not relieve the contractor of performing all inspections and quality control checks at the point of fabrication as necessary to assure performance as specified.

Attachment:

Data Requirements

Attachment to Purchase Description

19M-290A-TE

Humidity Generator

DATA REQUIREMENTS

MANUALS: A set of operational and maintenance manuals shall be provided. As a minimum, the manuals shall include an explanation of features, performance specifications, operational instructions, theory of operation, calibration procedures, and an illustrated parts breakdown. Wherever possible, use of pictures, diagrams, schematics and mathematical formulas shall be included such that any text material may be better understood. Specifically, the calibration procedure shall include a list of required calibration equipment, by part number, connection diagrams and step-by-step instructions to follow for completing this task. In addition, a system- level manual explaining the system operation and software shall also be provided. Manuals shall be on CD/DVD-ROM in Indexed Portable Document Format (iPDF).

A validation and verification of the manuals will be required. The manual shall be in accordance with the Air Force Technical Manual Contract Requirements (TMCR) TM86-01Q and Contract Data Requirements List (DD Form 1423).

CALIBRATION CERTIFICATE: A calibration certificate, traceable to the National Institute of Standards and Technology (NIST) or other national metrology institutes (NMIs) shall be provided with each instrument. This calibration certificate must comply with Data Item Description (DID) DI-QCIC-80798C and the Contract Data Requirements List (DD Form 1423).

Attachment 1