Hengstler Preset Counter Type 446/447

Hengstler Preset Counter Type 446/447
Hengstler Preset Counter Type 446/447[/caption]

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.

Hengstler Preset Counter Type 446/447 | Descriptions

The user-friendly Type 446-447 is an electronic subtracting preset counter. It is equipped with a 3 or 5-digit display stand. Depending on the version, Type 446-447 offers manual, electric or even optional automatic reset. As the main product in this family, it is a plug-and-play device and can easily be combined with other counters in the modular 400 series.


  • Reset manual or electric
  • Display 3 or 5-digit
  • Plug-and-play in Modular System 400

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Product Family446/447
FunctionPreset counter
Preset1 preset
Digit Height [mm]4 mm (0.2 in)
Voltage12 - 220 VDC
 24 - 230 VAC
Resetlockable reset
 electrical reset
Signal Timesfrom when preset has been reached until reset
Duty Cycle at 25 °CDC: counter 100 %, reset magnet: 20%, max. 2 min.
 AC: counter 100%, reset magnet: 10 %, max. 1 min
Duty Cycle at 50 °Ccounter 50 % max. run time 10 min
Pulse Duty Factor Reset Impulse1:05
Power ConsumptionDC: counter 2.5 W
 reset magnet 12 W
 AC: counter 2.75 VA
 reset magnet 16 VA
Pulse Length min.DC: counter 20 ms
 reset magnet 200 ms
 AC: counter 50 ms
 reset magnet 200 ms
Residual Ripple [%]DC: 48 %
Supply Voltage12, 24, 48, 110, 220 VDC
 24, 115, 230 VAC
Contact Typefloating changeover contact
Switching Voltagemax. 220 V AC
Switching Currentmax. 20 VA / 1 A
Count Frequency [Hz]DC: counter 25 Hz
 reset magnet 1 per s
 AC: counter 10 Hz
 reset magnet 1 per 2 s
Count Inputsubtracting
Pulse Duty Factor Count ImpulseDC: counter 1:1
 reset magnet: 1:10
 AC: counter 1:1
 reset magnet: 1:10
Reset FrequencyDC: max. 1 per s
 AC: max. 1 per 2 s
Electrical ConnectionAMP connector plug 0.8 x 2.8 mm (0.3 x 1.1 in) (via connection box)
Maintenance-Free operationcounter 2 x 10 pulses
 reset magnet 1.5 x 10 pulses

Ref: hengstler.de

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Download Data Sheet: Preset Counter Type 446/447