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Pneumatic Pressure Vacuum Comparator
Pneumatic Pressure Vacuum Comparator
Systems Engineers offers a Pneumatic Pressure/Vacuum Comparator, Model PVC-21. This is a sturdy, low cost, portable comparator for calibration of pressure gauges, pressure switches and pressure transmitters. It is handy and easy for field calibration. The isolation valve locks and raises the pressure or vacuum after competing one stock cycle. The operating pressure range of PVC-21 is -0.9 kg/cm² to 6 kg/cm². PVC-21 weighs 12 kg, and is mounted on SS sheet and the screw pump assembly comes with honed SS pipe for friction, free long lasting operation. Standard accessories supplied with this include five sets of gauge adaptor, screwdriver set, pointer puller and pointer punch, etc. This model is widely accepted by industries and calibration labs.