| Jun 23, 2008 — Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, is announcing the release of its NEW SERIES CHP CALIBRATION HAND PUMP.
The Series CHP Calibration Hand Pump is the most dependable and rugged pump for applications up to 100 psi or 28.8˝ Hg Vacuum. The Durable Acetel plastic and anodized aluminum construction prevents body heat transfer, resulting in drift-free accurate readings. The Series CHP is equipped with oversized check valves in order to provide smooth and controlled operation. Dual o-rings on all pistons ensure the pump is leak-free. The series CHP is ideal for checking calibration of pressure or vacuum gauges, switches, or transmitters. | |