Water Sampler and Wastewater Sampler Support | Campbell Scientific Samplers


Flow Pacing / Configuring 4-20 mA Input for Campbell Scientific Water Samplers

Learn how to program Campbell Scientific vacuum water sampler to use a 4-20 mA input for pacing and timed-step sampling sequence.  Programming the PVS, CVS or BVS sampler controller via keypad to accept 4-20 mA inputs.

Flow Pacing, Pulses per sample calculation and Wiring Examples for Flow Meter or other 4-20 mA input:

Download (PDF, 1019KB, campbell-scientific-sampler-4-20-ma-flow-pacing.pdf)


Campbell Scientific Vacuum Sampler Troubleshooting

How to troubleshoot a water sampler that will not pull a sample into the metering chamber.

Check the following:
* The pinch valve for operation
* The sampler chamber for leaks
* The intake hose for leaks
* Meter chamber lid O-ring
* The pressure on intake hose with a vacuum gauge


Campbell Scientific Sampler Controller Troubleshooting

If the Campbell Scientific water sampler controller keypad is unresponsive or the display is incorrect:
* Remove the sampler controller cover
* Locate and press the reset button
* Replace the internal battery when it measures less than 2.6 Vdc
* Check the power coming into the controller. It should be 13 to 14 Vdc
* Reprogram the controller if required
* Change the purge time if required


Power Supply and Pump Troubleshooting

If the Campbell Scientific Sampler Pump or Power Supply Troubleshooting:

* Access the sampler power supply and pump
* Check the voltage in and out
* Check for pump leaks
* Determine if pump electrical brushes and wiring need to be replaced
* Locate the pump diaphragm and determine if it needs to be replaced

Manuals

Campbell Scientific CVS4200 and BVS4300 Sampler Manual

Download (PDF, 1.91MB, sampler-manual-cvs4200-bvs4300.pdf)

Campbell Scientific PVS5120 Sampler Manual

Download (PDF, 4.11MB, sampler-manual-pvs5120.pdf)

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