Rapid TM-20A Digital Stopclock

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Delivery method
  • At home between 17/05/2021 and 19/05/2021 for any order placed before 5 pm (Shipping fees from £3.50)


See the buying guide

The TM-20A is a high accuracy, easy to use unit that can be used either as a standard timer or may be automatically started and stopped by an externally connected device.

  • Uses a 30ppm quartz crystal and 27pF fixed calibrated capacitor for high accuracy
  • External start/stop control connection via 4mm jack sockets
  • Stop/Start and reset buttons on top of unit for easy activation
  • Elapsed time function
  • 15mm LCD display
  • Housed in an impact resistant ABS case
  • Requires 1x AAA 1.5 volt battery (supplied)


  • ManoMano Reference
  • Warranty
    1 year
  • SKU
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