Salient Characteristics_.docx

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Portable CO2/H2O Gas Analysis System, Brand Name or Equal
Solicitation number
12305B23Q0166
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This document outlines the salient characteristics for a portable CO2/H2O gas analysis system procurement. The system must meet specific accuracy, precision, size, measurement range, control range, flow rate, environmental control, sensor, display, customization, and battery life requirements. It must also include software for data collection, graphing, and SD memory for data export. The related federal contract opportunity is solicitation number 12305B23Q0166 from the Department of Agriculture Agricultural Research Service Field Research Implementation and Information Delivery Northeast Area to procure a portable CO2/H2O gas analysis system, brand name or equal.

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Salient Characteristics

To be considered “equal”, offered products must meet the following salient functional, physical and performance characteristics.

· Must have high accuracy for CO2 (+/- 1% from 0 to 2000 ppm) and H2O (+/-1.5% for high humidity) measurements.

· Must have high precision for CO2 (0.1 ppm) and H2O (0.01 mmol/mol) control.

· Must be compact design for portability (no more than 12 lbs).

· Must have CO2 measurement range of 0-10000 ppm.

· Must have CO2 control range of 0-2000 ppm.

· Must have H2O control range of 0-100% RH.

· Must be capable of small system volume and programmable flow rate (up to 500 mL/min) for fast response time and more accurate results for small vegetation (microgreens).

· Must have full environmental control system for programmable adjustment of CO2, temperature, H2O, and light.

· Must have external PAR sensor for measuring ambient light intensity.

· Must have LCD panel on the sensing unit for convenient operation and data viewing.

· Must have capability to be used with various predesigned and customized leaf cuvettes.

· Must have capability to fully control meter functions and data display with the touch display on the console.

· Must have battery packs that allow over 16 hrs. of continuous measurement.

· Must have software capable of programmable data collection and graph generation.

· Must have SD memory for convenient data export.

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