Hengstler 499 Time Counter


Hengstler 499 Time Counter timer features compact fitting dimensions and can, as a result of its standard DIN dimensions, also be fitted to a DIN rail system. The unit features a stationary preset value and settable time range from 0.2 to 300 seconds. Type 499 timers do not require a continuous air supply.

Time counters display the duty cycle of installations, machines, and appliances. They provide information on the expiry times of warranty periods, hours of use, and the countdown to the next scheduled maintenance work. For use in time-dependent controllers, we also have a series of preset time counters in our product range.

As a further complement, we can provide a series of time counters that offer versatile configuration options in an attractive, state-of-the-art design. Examples of typical applications: Maintenance interval counters, control of mixing quantities.

Hengstler 499 Time Counter Features

  • Low price
  • DIN dimensions
  • Compact fitting dimensions
  • Not pressure-dependent
  • No continuous air supply required
  • Stationary preset


Product Family 499
Function Time counter
Technology Pneumatic
Digits Timing range
Display Timing range
Preset none
Reset pneumatic reset
Output after the set time has elapsed, input 1 is connected to output 2
Input timer 1 is started when input 1 is pressurized
Time Setting continuous with rotary knob
Reset Time min. 200 ms
IP Protection Class IP 40
Operating Temperature [°C] 0 … + 140 °C
Degree of Protection IP 40
Service Pressure 2 – 6 bar
Air Quality oil-free
Filter Pore Width < 40 m
Size [mm] 48x24x60
Mounting Options Front panel installation
DIN-rail attachment
Mounting front panel installation or DIN-rail attachment
Reset through interruption of the air supply at input 1
Weight [g] approx. 50 g (3.2 oz)
Connection hose coupler M5
rapid-fit connector
Repeating Accuracy ± 0.13 s

Download Data Sheet: Time Counter Type 499

Ref: hengstler.de

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