B08_ATCH_1_SALIENTS_S23092.pdf

Salient Characteristics S23092

REFRIGERATED WATER SAMPLERS

SALIENT CHARACTERISTICS:

4 EA, Refrigerated Water Sampler:

1. Shall be a refrigerated style automated water sampler intended for use in outdoor, corrosive environments.

2. Shall consist of pump, refrigeration unit, and controller as described below.

3. Shall be made of corrosion resistant materials and include UV resistant features.

4. Shall be powered from a 120 VAC, 60 Hz external power source.

5. Shall be SDI-12 compatible.

6. Shall include a refrigeration unit that is able to keep samples preserved at the EPA-recommended temperature of 39°F (4°C).

7. Shall include a built-in heater to prevent samples from freezing.

8. Shall be compatible with polypropylene 1-liter bottles and capable of holding 24 bottles for sample collection as described below.

9. Shall weigh no more than 165 lbs. when dry.

10. Shall include all necessary components (i.e. distributor arm, pump tubes, 2 ea., cables, manual, etc.) for proper operation of the unit.

11. Shall include applicable operational software.

Pump:

12. Shall support intake suction tubing from 3 to at least 90 ft long made of vinyl with inside dimension no larger than 3/8 inch (1 cm).

13. Shall automatically compensate for changes in head heights.

14. Internal battery shall be included.

15. Shall have a lifting capacity of at least 25 feet (7.6 m).

16. Shall have pump tubing life of at least 1,000,000 pump counts.

17. Shall have repeatability of at least ±5 ml or ±5% of the average volume in a set.

18. Shall have a tubing life indicator feature alerting when it’s time to change the tubing.

19. Shall have a sample delivery velocity of at least 2 ft./sec. at heads up to 25 ft.

20. Shall have adjustable air purge feature before and after each sample

Controller:

21. Shall include a user interface control panel with backlit display and programming keys.

22. Shall have at least 512 KB memory for programs and data storage.

23. Shall have operational temperature range from 32° to at least 120°F (0° to 49°C).

24. Shall allow for programmable composite samples from 1 to at least 999 samples.

25. Shall have NEMA 4X, 6 (IP67) enclosure rating at a minimum.

26. Shall have clock accuracy of at least 1 minute per month, for real time clock.

27. Shall include rechargeable desiccant, or other moisture absorbent, to prevent water damage to electronics.

Operations:

28. Shall sample programmable sample volumes from 10 to at least 9,990 ml in 1 ml increments.

29. Shall have sampling modes in uniform time, non-uniform time, flow, and event.

30. Shall have sample frequency of 1 minute to at least 99 hours and 59 minutes, in at least 1-minute

Salient Characteristics S23092 increments non-uniform times in minutes or clock times 1 to at least 9,999 flow pulses.

31. Shall allow for automatic rinsing of suction line up to at least three (3) rinses for each sample collection.

32. Shall allow for sample retries if sample is not detected and shall be user selectable.

33. Shall allow for sampling stop/resume with up to at least twenty-four (24) real time/date sample stop/resume commands.

34. Shall have program storage for at least five (5) sampling programs.

35. Shall be capable of running diagnostics test for RAM, ROM, pump, display, and the distributor.

4 EA, Sampling Bottles Configuration:

36. Shall be compatible with the sampler described above.

37. Shall include bottle rack, retaining ring, bottle caps, and minimum of two (2) discharge tubes.

38. Shall be provided with at least 24 polypropylene, 1-liter, wedge-shaped bottles.