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, 1.04MB, 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)
