Dwyer Instruments CHP-V | Calibration Vacuum Pump 0-28HG
The most durable and dependable pump for applications up to 100 psi, or 28.8" Hg Vacuum, is the Series CHP Pneumatic Hand Pump. Accurate readings without drift are produced by the sturdy Acetal plastic and anodized aluminum construction, which inhibits body heat transfer. Oversized check valves are a feature of the Series CHP that enable controlled and smooth operation. Each piston in the pump has two O-rings to ensure that there are no leaks. A 2 foot long hose, a 1/8" female NPT gage fitting, and a 1/8" NPT pipe plug are included with the unit. A hose kit is an extra accessory that can be used to connect a sensor and calibrator without the need for a tee. For verifying the calibration of transmitters, switches, or pressure or vacuum gauges, the Series CHP is perfect.
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