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Trumeter Totalising Counter 7400AS

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Trumeter 8 Digit Low Bi-Directional Totalising Counter for PCB Mounting with Push-Button Reset - 7400AS

Product Condition: NEW
Trumeter Totalising Counter 7400AS
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

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The Trumeter Low Bi-Directional Totalising Counter 7400AS is designed for PCB mounting with push-button reset. This model operates from an external 3VDC supply and is supplied with an electrical reset.


  • 8 digit high contrast LCD characters
  • Latest CMOS circuitry achieves an expected battery life of 10 years (1/2 AA 900mAH 3V lithium battery)
  • Leading zero blanking
  • Add/subtract counting of pulses up to 10kHz
  • Low speed contact closure input with integral de-bounce circuitry
  • CE, UL and cUL/CSA approved
  • Remote Reset Facility



  • Part No.: 7400AS
  • Supply Voltage: 2.6 – 3.4VDC
  • Current Consumption: Less than 10µA, typically 5µA
  • Display: 8 digit, 8mm height, high contrast LCD characters with leading zero blanking
  • Electronic Count Input (1): 10kHz maximum, positive edge triggered, 0.7V threshold, 100µS minimum pulse length, TTL/CMOS Compatible
  • Low Speed Count Input (2): Contact closure/open collector input, 30Hz maximum, negative edge triggered, 0.7V threshold, 25mS minimum pulse length
  • Reset Input (R): Contact closure/open collector, negative edge triggered, 0.7V threshold, 15mS minimum pulse length
  • Direction Input (D): Electronic input TTL/CMOS Compatible. Add=logic 1, Subtract=logic 0(0V)
  • Operating Temp: -10°C to +60°C
  • Storage Temp: -20°C to +70°C

Additional Information

Product Condition NEW
upc No

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