Extech ET25 Neon Voltage Tester

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Extech ET25 Neon Voltage Tester is a compact and easy-to-use voltage tester that can detect AC and DC voltages from 80 to 250 volts. It features a neon indicator light that glows when a live current is present. The ET25 is also double-insulated for safety and has a handy pocket clip for portability.

Applications: Troubleshooting electrical circuits and testing the voltage of batteries.

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Extech ET25 Neon Voltage Tester is an essential tool for any electrician, DIYer, or homeowner. It is compact and lightweight, making it easy to carry and use in any situation. The ET25 is also durable and double-insulated for safety, even when working with live circuits.

Features of Extech ET25 Neon Voltage Tester: 

  • Compact and lightweight design
  • Durable and double-insulated for safety
  • Bright neon indicator for easy visibility
  • Suitable for testing AC or DC voltages
  • Handy pocket clip for portability
  • For indoor use only
  • Built-in test leads, pocket clip, and insulated housing
  • Pollution degree 2


Additional information



Model No


Measuring Parameters


Voltage Range

80 to 250VAC/DC (50/60Hz)

Operating Temperature

23 to 104°F (-5 to 40 °C)

Maximum Relative Humidity

85% for temperature up to 88o F (31o C) decreasing linearly to 50% at 104o F (40o C)



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