Martindale TEK300 20mA Loop Calibrator
Martindale TEK300 20mA Loop Calibrator
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Martindale TEK300 20mA Loop Calibrator

Martindale TEK300 20mA Loop Calibrator
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Martindale Part No: MARTEK300

The Martindale TEK300 process control calibrator features sink, source and monitor modes for 0 - 20mA and is ideal for most process control applications, as well as general purpose signal injection applications.

The handheld unit is fully portable and has a large 3.5 digit LCD display, with overload protection for extra safety.

The Martindale TEK300 is supplied with batteries & instruction manual.

DC / DC Converter output
  • 28.5V (+0.1V)

Current Range

  • 0 - 20mA F.S. (+0.1%)


  • 10A

Temperature Drift

  • 150ppm / C


  • +0.15%

Output Noise (typically)

  • 4mV p/p


  • LED (Green) - Battery OK
  • LED (Red) - Output Error

General Specifications

  • Display: 3 1/2 digit LCD
  • Output Connectors: 4mm terminal posts (19.05mm apart)
  • Operating Temperature: 0 - 50C
  • Supply: 2 x 9V batteries MN1604 or equivalent (included)
  • Housing: Light grey ABS handheld, with stand
  • Dimensions: 180 x 100 x 44mm
  • Weight: 380g approx

Please click the links below to download the application notes in pdf format.

Where can I get my instruments calibrated?

Print    Bookmark    Manual     Datasheet   
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