• PCB Modules

PCB Modules

The MD module has four pins for direct printed circuit board mounting for use in equipment panels and dashes. This product is suitable for a wide range of applications and can be used as Hour meter, Tachometer, Volt Meter and for Service Alarms.


Popular Models
Popular order codes: MD100: Input   5-12vcd/ 5-15vac MD110: Input   12-48vcd/ 15-75vac MD120: Input 48-150vdc/75-287vac *Customer specifications possible.

Product Features

OEM Options

  • Automatic on/off Service Alerts
  • Reset clear Service Alerts
  • Custom LCD, messages and Icons
  • I/O Communations to host equipment



Hour Meter

  • Non resettable equipment run hours
  • Total Timer shows 0.1 hour displayed resolution up to 99,999.9 hours, then 1 hour resolution up to 999,999 hours
  • Hour glass symbol flashes on/off to indicate counting time
  • Recorded resolution 1 second


  • 2 independant timers, resettable (Timer 1, Timer 2)
  • Timers show 0.1 hour displayed resolution up to 99,999.9 hours, then 1 hour resolution up to 999,999 hours.
  • One optional alarm per timer

Service Alerts

  • Up to three (3) Service alerts, automatic or resettable
  • One time breakin interval option for each alarm (1 to 9999 hours)
  • Normal interval: 1 to 999,999 hours
  • Warning threshold (1-99 hours)
  • Standard and Custom Alerts available on the LCD display


  • Event counter, or power up/down cycle counter
  • Up or down counting from 1 to 999,999 counts
  • Optional count down preload, or count up to maximum value
  • Resettable
  • Max input rate 500Hz
  • Alarm on LCD display available when count threshold is reached
  • Output available when count threshold is reached


  • Minimum RPM: 10
  • Maximum RPM: 30 000
  • Resolution: 1 RPM
  • Firing patterns: 1 pulse = 1 RPM, 1 pulse = RPM, 2 pulses= 1RPM
    **other firing patterns available
  • Configurable noise rejection
  • Maximum RPM recall and clear option

Volt Meter

  • Monitor and display equipment voltage
  • Over/under voltage alarms available

Input Alarms

  • Up to three prioritized alarms based on external digital inputs
  • Standard and custom Alerts available on the LCD display


Fields of Use

Use it for your dashboard.

Technical Specifications

Environmental Specifications

Operating temperature: -40°C to 70°C

Humidity: SAE J1378 95% RH

Weight 0.3 oz.

Warranty: Two years for OEMs

Electrical Tests

Immunity and Emissions: IEC 61326-1, IEC 61000-4-3

ESD: IEC 61000-4-2

Environmental Tests

Ultraviolet Test: UV Filter: 340nm, UV Sensor: Daylight Irradiance: 0.35W/m^2 Total time: 2220 light hrs (2800 KJ/m^2 absorbed)Temperature Cycle Test: Range: -40°C to +70°C Ramp/Soak: 1 hr / 2 hr Total cycle / time: 500 Hours


PCB Modules

Further Information and Ordering

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