Hengstler Totalizing Counter 634/635


Whether you use electronic, electromechanical, mechanical or pneumatic counters, the devices available have been designed to meet your requirements. Our range extends from mini-counters through to sophisticated, programmable control counters, multifunction counters, position displays, displays, tachometers and timers.

Totalizing counters tend to be used to register the number of events and display the result as a digital numerical value. The key characteristics of this versatile range of products, as you would expect from any HENGSTLER product, are state-of-the-art technology, appealing design, quality and reliability. Examples of typical applications: Production counting, recording flow volumes.

Type 634/635 is an electromechanical mini-totalizing counter with a 6 or 7-digit optical display, with standard pattern connector arrangement. The small dimensions and low power consumption make this the ideal device for front panel installation or PCB use. Types 1 and 3 can be machine-soldered and can, if necessary, be washed with no problems. The 634 variant is characterized by its excellent protection against magnetic disturbance, while model 635 is particularly impact-resistant.


  • Small outer dimensions
  • Low power consumption
  • Electric connections in standard pattern
  • Suitable for PCB configuration
  • Machine solderable and washable
  • Ingress protection IP 65


Product Family 634/635
Function Totalizing counter
Technology Electromechanical
Digits 6-digit
Display 6-digit
Preset none
Digit Height [mm] 4 mm (0.2 in), visual
Voltage 5 VDC
12 VDC, 24 VDC
Reset without reset
Duty Cycle at 25 °C 100%
RI + RV [Ohm] 320-3720
Power Consumption 60-400 mW
Pulse Length min. 50 ms
Supply Voltage 5 VDC
12 VDC, 24 VDC
Count Frequency [Hz] 10 Hz
Count Input adding
Electrical Connection solder pins
wiring posts 0.6 x 0.6 mm (0.02 x 0.02 in)
Maintenance-Free operation 10 pulses

Download Data Sheet: Totalizing Counter 634/635

Ref: hengstler.de

Other Article:

Similar Posts