Campbell PVS5120 Series, Инструкция по эксплуатации

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PVS5120-Series Portable Samplers
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a. Set Sample Chamber – Pressure Relief . If collecting a sample
volume >450 mL or using an intake hose longer than 50 ft, this feature
must be enabled.
3. Click the
Pulse Settings
tab (FIGURE 8-18 ).
a. Set Start Pulses . This is number of input pulses needed to initiate the
sample process.
b. Set the number of Finish Pulses that the sampler will return to the
datalogger when a successful sample is collected.
No pulses are returned if an error/fault is generated.
c. Set Start Pulse Type to either
Positive Pulse
in the case of a flow
meter (positive pulse type takes a 0 V signal and raises it up to 5 V) or
Contact Closure in the case of a tipping bucket rain ga u ge (contact
closure drives a line from 5 V/normally open line down to 0
V/closed).
FIGURE 8-18. Pulse Settings tab
4. Click
Apply
. It is a good idea to save the configuration file for future
reference.
5. Connect the sampler cable to the front of the sampler and wire the cable to
the controlling device that is providing pulses.
6. If a datalogger provides the pulses or is used to monitor the sampler, use
LoggerNet to connect to the datalogger. The following steps assume a
knowledge of how to setup the datalogger and connect either via a direct
connection or remote connection.
a. From the LoggerNet Connect window, click Connect | Collect Now
to collect any data on the datalogger.
A
NOTE