Hengstler 497 Series Digital Timers
This range of pneumatic digital timers is based on the classic pneumatic counter design. Time is measured by the application of compressed air to create an internal pneumatic pulse every second or every minute. Time elapsed is displayed as a count in either a 3 digit or a 5 digit display. Either minutes or seconds are displayed according to the model selected.
Hengstler 497 Series Digital Timers based on the classic pneumatic counter design
The 497 series digital timer then acts like a pre-set (or pre-determined) counter.
FEATURES
• Panel mounted
• Covers available
• 3 & 5 digit models
• Minutes & seconds models
• Auto-reset versions
• M5 & 4mm push-on models
• Normally closed 3/2
• 2 - 8 bar
There are 2 displays. One is the pre-set, which is input using the push buttons on the front. The second display shows time elapsed, all seconds or all minutes according to model. When time elapsed matches the pre-set value, the normally closed internal valve switches to open, and a continuous pneumatic output is achieved. Re-set is either manual by push button, or by a pneumatic pulse to port Y. 2 models are available with automatic re-set.
Ordering Information
0.497.621 Pneumatic Seconds timer 2x3 digit display M5 ports
0.497.620 Pneumatic Seconds timer 2x3 digit display 4mm connectors
0.497.622 Pneumatic Minutes timer 2x3 digit display M5 ports
0.497.652 Pneumatic Seconds timer 2x5 digit display M5 ports
0.497.654 Pneumatic Minutes timer 2x5 digit display M5 ports
0.497.665 Auto-reset Seconds timer 2x5 digit display M5 ports
0.497.666 Auto-reset Seconds timer 2x5 digit display M5 ports
1.405.614 Protective cover with lock
1.405.613 Protective cover with knob
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