The Hengstler 497 series 5-digit preset pneumatic counter can be used for controlling pneumatic circuits and installations. When the preset value is reached, the input pressure appears at the output. This counter, being completely pneumatic in operation, is particularly suited to explosion risk areas where electrical pulse counters are not permitted.

Continuously visible preset
Convenient button setting
Front panel or surface mount
Integrated pneumatic reset 5-digit display
Minimum pulse length is 8 milliseconds
Minimum reset pulse length is 180 milliseconds
Minimum time between pulses is 50 milliseconds
Operating pressure ranges between 2bar and 8bar (oil-free air, filtered to less than 40μm)
Operating temperature ranges between 0°C and 60°C
Panel cut-out size of 52mm x 52mm
Push-in connectors (supply/count/reset/output)

IP40 rated