The latest addition to the BOC Edwards range of Pirani vacuum gauges is the APG100 Series, designed for measurement of vacuum down to 10-4mbar. The new gauge is lead-free, RoHS compliant and carries Canadian Safety Association approval. It is available in standard and corrosion-resistant versions.
OEMs and system integrators will particularly like the APG100 for its compact size (41 x 83 x 30mm), linear output (one volt per decade) and replaceable sensor tube, all of which make it a cost-effective choice as a system component. Cable connections and the 'calibrate' and 'set point' push buttons are arranged close together at one end of the unit, so side-access is not required, giving greater flexibility in system design. There are NW16 and NW25 flange options as standard - other flange sizes can be supplied on request.
The APG100 sensor tube is replaceable. If it should need to be changed, the tube is simply unclipped and replaced with a new one, with no need for special tools or training. With the electronics module removed, the sensor tube can be baked to a temperature of 150degC where this is needed for systems operating at very low pressures.
The APG 100 is available in two versions; the APG100-XM is the standard version for measurement of vacuum to 10-3mbar. The APG100-XLC measures vacuum down to 10-4mbar and has a corrosion resistant filament for harsher environments.
