B08_ATCH_1_SALIENTS_S23102.pdf

Salient Characteristics S23102

NITRATE SENSOR AND ACCESSORIES

SALIENT CHARACTERISTICS:

4 EA, Nitrate Sensor:

1. Shall consist of a single-parameter sensor for measuring nitrate concentrations.

2. Shall be suitable for continuous measurement in drinking water, wastewater, or activated sludge environments.

3. Measurements shall be based on the optical UV measurement method and not require the use of reagents.

4. Shall be compatible with the controller described below.

5. Shall have a 2 mm path length.

6. Shall have a measuring range over a range of at least 0.05 to 50.0 mg/L.

7. Shall have an accuracy of 5% of reading +/-0.1 mg/L, or better.

8. Shall have a minimum resolution of 0.01 mg/L.

9. Shall be capable of operating over a temperature range from at least 2 to 40o C.

10. Housing shall be made of stainless steel and have an Ingress Protection (IP) rating of IP68 or better.

11. Shall be include sludge compensation features.

12. Shall include a built-in self-cleaning wiper. Wiper shall not require tool(s) for replacement.

13. Shall include a polyurethane cable with a minimum length of 10m.

14. Shall weight no more than 12 lbs. including a 10m cable.

4 EA, Controller with Cellular Interface:

15. Shall consist of a two-channel, digital, controller and a compatible cellular interface device/module.

Controller:

16. Shall be compatible with the nitrate sensor described above.

17. Shall include a built-in color display with touchpad.

18. Shall include at least 2 digital interfaces for compatible digital sensors.

19. Shall include at least 5 ea. 0-20 mA or (4-20 mA) analog outputs and LAN networking capability.

20. Shall be capable of supporting MODBUS, Profibus, EtherNet, and Profinet digital communication protocols.

21. Shall include a USB communications port.

22. Shall be house in a NEMA 4x enclosure with an Ingress Protection (IP) rating of IP 66, or better.

23. Shall be capable of operating over a temperature range from at least -20 to 60o C.

24. Shall include a built-in diagnostic system that alerts users to potential, or upcoming, sensor maintenance needs or operational issues.

25. Shall be capable of being mounted to a pole, wall, or panel.

26. Shall be powered from a 120 VAC power source. It is not necessary to supply a power cord.

27. Shall include all needed mounting hardware.

Salient Characteristics S23102

Cellular Interface:

28. Shall consist of a cellular communications interface device that can be interfaced to the controller.

29. Shall include a cellular modem capable of supporting 3G and 4G communications.

30. Shall include a USB port.

31. Housing shall have an Ingress Protection (IP) rating of IP 66, or better.

32. Shall be capable of operating over a temperature range from at least -20 to 60o C.

33. Shall include a cellular antenna with cable and antenna mounting bracket.

34. Shall be capable of being attached to a wall, vertical pole, or horizontal pole.

35. Shall include pole mounting hardware.

2 EA. Pole Mount and Pole:

36. Shall consist of a pole and mounting bracket assembly that is compatible with the nitrate sensor described above.

37. Shall be constructed of stainless steel

38. Pole shall be at least 2 m long

39. Bracket shall be capable of being secured to a wall, or vertical surface, and include clamps, or other features, for attaching the pole.

40. Shall include necessary hardware (i.e. screws, washers, etc.) for properly mounting the sensor to the pole/bracket assembly.

4 EA. Maintenance, Calibration and Repair for Nitrate Sensor:

41. Shall include maintenance, calibration/certification, and repair services for the nitrate sensor described above.

42. Shall include 2 services per year consisting of preventive maintenance services and full coverage for any repairs (parts and labor).

43. Shall include unlimited, priority technical support and troubleshooting.

44. Shall include priority 5-day instrument turnaround time.

45. Shall include 2-day return shipping time.

4 EA. Maintenance, Calibration, and Repair for Controller:

46. Shall include maintenance, calibration/certification, and repair services for the controller described above.

47. Shall include 1 annual preventive maintenance/calibration/certification service and repairs.

48. Shall include unlimited, priority technical support and troubleshooting.

49. Shall include priority 5-day instrument turnaround time.

50. Shall include 2-day return shipping time.