A06_Specifications.docx

DOCX document 25 KB Posted Oct 7, 2019

Attached to: UV NITRATE SENSORS Federal contract opportunity
Solicitation number: 140G0120Q0005
Issued by: Department of the Interior US Geological Survey

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Salient Characteristics S19222

6 EA, UV NITRATE SENSOR

SALIENT CHARACTERISTICS:

6 EA, Sensor:

1. Shall have a path length of 2mm.

2. Must be ruggedized and operate in harsh environments.

3. Sensor must be IP68 and fully submersible up to 30 meters of water.

4. Must include an option to install a wiper system.

5. Shall have a data memory of 2GB for internal logging of data.

6. Must output the following parameters NO3-N, NO3, NOx-N, NOx (calibrated with NO3 standard solution).

7. Shall weigh no more than 6.6 lbs.

8. Shall have an operating temperature of temperature of +2° to +40°C (36° to 104°F).

9. Shall have a fixed 10m cable attached with a M12 connector.

10. Must use UV absorptions methods to determinate nitrate concentration in freshwater.

11. Detector must consist of a maximum of four photodiodes and filter.

12. Must use a Xenon flash lamp, or equivalent, as the measurement light source.

13. Shall have a stainless-steel housing with diameter less than 48mm.

14. Must have a communication interface that uses Ethernet (TCP/IP) and RS-485 (Modbus RTU).

15. Must have automatic Turbidity compensation.

16. Must have automatic dissolved organic matter compensation.

17. UV nitrate sensor must have built-in web server as the user interface software.

18. Must be factory pre-calibrated

6 EA, Wiper:

19. Shall be compatible with sensor above.

20. Shall not include wiper axis and wiper blades

6 EA, Wiper Blades:

21. Shall be compatible with the wiper system above.

22. Shall include set of five (5) wiper blades with wiper axis for 2mm path length.

6 EA, Extension Cable:

23. Shall be compatible with sensor above.

24. Shall be 25 meters long.

25. Shall have M12 male to female connector.

6 EA, Wiper Extension Cable:

26. Shall be compatible with wiper above.

27. Shall be 25 meters long.

28. Shall have M8 male to female connector.

6 EA, Interface Box:

29. Shall be compatible with sensor above.

30. Shall include G2 interface box without WIFI.

6 EA, VALtub:

31. Shall be compatible with sensor above.

32. Shall be 10mm.

6 EA, Optic Cleaning Kit:

33. Shall be compatible with sensor above.

6 EA, Mounting clamps:

34. Shall be used with sensor above.

35. Shall be sold in set of two (2).

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