PVS5120-Series Portable Samplers
8
Sampler status/feedback
(available after every sample):
Bottle number, sample number, response
code, sampler battery voltage are returned
to a datalogger after every sample
Clock accuracy:
8.2 minutes/month over the temperature
range or 1 minute/month at 25 °C
5.3 Vacuum Pump System
Pinch valve:
Fixed – normally open
Purge cycle:
Adjustable from 1 to 800 s; 280 s for SDI-
12
Suction cycle:
Variable (until liquid contacts liquid
sensing/conductivity rod in metering
chamber or adjusts automatically to two
times the purge time)
Metering chamber cover:
Nylon (standard), Teflon® (optional)
Metering chamber
level electrode:
316 stainless steel
Volume control tube:
316 stainless steel
Liquid sensing/
conductivity rod:
316 stainless steel
Intake hose:
Ordered as a common accessory.
Campbell Scientific offers PVC hose with
25 ft and user-specified lengths. Intake
end can have a lead sinker or stainless
steel strainer. Sampler end of the hose can
have a clamp or quick connect
termination.
Discharge hose material
(composite only):
Latex (standard), Options: Teflon® lined,
silicone
Maximum horizontal
transport distance:
76.2 m (250 ft) assumes no vertical lift
Maximum vertical lift (assume no horizontal transport distance)
Standard pump:
4.9 m (16 ft)
Large pump:
8.2 m (27 ft)
For more information, see Appendix
(p. A-1)
NOTE
Содержание PVS5120 Series
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Страница 70: ...Appendix A Sample Transport Velocity A 2...
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Страница 86: ...Appendix C Monitoring Sampler Status via RS 485 C 8...
Страница 96: ...Appendix G Generic Modbus Control G 4...
Страница 100: ...Appendix H ISO5667 Conformity H 4...
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