B08_ATCH_1_SALIENTS_S23152.pdf
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- Solicitation number
- 140G0123Q0269
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This document outlines the salient characteristics for five turbidity sensors required by the Department of the Interior US Geological Survey Office of Acquisitions and Grants. The sensors must consist of submersible units with integrated wiper systems, measurement ranges of 5,000, 10,000, and 30,000 NTU using a 180 degree backscatter technique. Additional requirements include an accuracy of +/- 1% at 25 degrees C with a resolution of +/- 2.0 NTU or better, an auto range hopping feature, SDI-12 compatibility, operating temperatures from -10 to 40 degrees C, a diameter of 1.25 inches and length of 11 inches, a male SubConn bulkhead marine connector, deflector cone, applicable configuration and calibration software, and compatible cable assemblies in lengths of 20, 30, 45, and 60 meters with female SubConn bulkhead marine connectors.
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Other files
| File | Type | Posted |
|---|---|---|
| B08_ATCH_2_508_S23152.pdf | ||
| B08_ATCH_3_FISMA_S23152.pdf | ||
| Sol_140G0123Q0269.pdf |
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Text version
Salient Characteristics Special Order S23152
TURBIDITY SENSOR
SALIENT CHARACTERISTICS:
5 ea. Turbidity Sensor:
1. Shall consist of a submersible turbidity sensor with an integrated wiper system.
2. Shall have measurement ranges of 5,000, 10,000, and 30,000 NTU.
3. Shall perform measurements based on the 180o backscatter technique.
4. Shall have an accuracy of +/- 1% @ 25 degrees C and a resolution of +/- 2.0 NTU, up to 5000 NTU, or better.
5. Shall include an auto range hopping feature allowing jumping between 3 preset range groups as conditions change.
6. Shall operate from 12 VDC (nominal) power.
7. Shall have a stainless-steel housing.
8. Shall be SDI-12 compatible.
9. Shall be capable of operating over a range of temperatures form at least -10 to 40o C.
10. Shall be no larger than 1.25” in diameter x 11.0 in L.
11. Shall include male SubConn bulkhead marine connector.
12. Shall include a deflector cone.
13. Shall include applicable software for sensor configuration and calibration.
14. Sensors shall be provided with, but not limited to, a protector cap, wiper kit, and calibration accessories.
15. Shall include compatible cable assemblies, with female SubConn bulkhead marine connectors, of the following qty’s and lengths:
- 1 ea. 20 m
- 1 ea. 30 m
- 2 ea. 45 m
- 1 ea. 60 m
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