Dwyer Instruments’ Series CHP Calibration Hand Pump
Series CHP calibration hand pump is designed for applications up to 100 psi or 28.8 in. Hg vaccuum. The Acetel plastic and anodized aluminum construction provides body heat transfer. The pump is equipped with oversized check valves in order to provide smooth and controlled operation. Designed for checking calibration of pressure and vacuum gauges, switches or transmitters, the pump has dual O-rings on all pistons to ensure the pump is leak-free.
Dwyer Instruments; 800/872-9141; www.dwyer-inst.com