Martindale TEK402 TEK404 Continuity Tester
Instrotech Ltd - Martindale TEK402 TEK404 Continuity Tester
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Martindale TEK402 / TEK404

Continuity Tester with Buzzer, TEK404 also has LED Indication 5036162183195
Martindale TEK402 / TEK404width="180" height="70"
Martindale TEK402 / TEK404
Martindale TEK402 / TEK404
In Stock - Order Now & get it Tuesday

Product Options
Calibration Certificate   (+27.00) 
Select Model  
(32.40  Inc. VAT)

List Price 36.00


90 Day money back guarantee
New Customer Discount Code

Use discount code CUST14 during checkout to get money off your first order with us.

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Instrotech Code: MARTEK402      -     In Stock      -     27.00

This is a low cost, easy to use continuity tester with audible indication. The loud buzzer makes it easy to use in noisy environments.

Its simplicity and tough construction gives fast and simple continuity testing at a low cost. Suitable for a wide variety of low voltage signalling, process control and educational applications.

The Martindale TEK404 option also features an LED for visual indication.



Probe Voltage
  • 2.2V DC
  • Test Current

  • < 50 microAmps (Across Short Circuit)
  • Continuity Range (audible)

  • 0 to 2.2k +/- 10%
  • Audible Output Level

  • 85dB minimum at 30cm with 0Ω continuity resistance
  • Power Supply

  • 9V, MN1604 / PP3 alkaline battery
  • Compliance

  • BS EN 61010 - 2001 CAT I 50V Peak
  • Do not use in CAT II, III or IV environment
  • Dimensions

  • 50 x 64 x 30mm
  • Weight

  • Approx 260g
  • Belt Clip

  • On rear face
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