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Triplett ET330 User Manual

Non-contact ac voltage detector
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User Manual
Model ET330
Non-Contact AC Voltage Detector
Introduction
Congratulations on your purchase of the Triplett ET330 Non-Contact AC Voltage
Detector In order to use this product safely and correctly, please read this
manual thoroughly, especially the warning part.
After reading this manual, it is recommended to keep the manual at an easily
accessible place, preferably close to the device, for future reference.
The ET330 is a non-contact voltage and magnetic field detector with built-in
flashlight and acousto-optic synchronous alarm function. The CAT IV 1000V
safety class ensures users' safety, making them essential tools for industry and
home.

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Summary of Contents for Triplett ET330

  • Page 1 After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference. The ET330 is a non-contact voltage and magnetic field detector with built-in flashlight and acousto-optic synchronous alarm function. The CAT IV 1000V safety class ensures users’...
  • Page 2 Features Low voltage mode (24V AC ~ 1000V AC) Suitable for testing low-voltage motor (< 90V), audio systems, arc welding machines, underground mine lighting, cables with thick insulation layer, and other weak electromagnetic AC signals. High voltage mode (90V AC ~ 1000V AC): For detecting urban electric supply and three-phase systems.
  • Page 3 adversely affect test result. If there are uncertainties, use other methods to verify the voltage. 8. Do not assume neutral or ground wire is safe to touch. Incorrect or poorly connected circuits may cause wires to be charged. 9. The magnetic field generated by magnetized components may interfere with detection 10.
  • Page 4  The detector is used outside of the operating specifications (see Technical Specifications for details) Electrical Symbols Protected throughout by Double insulation or Reinforced insulation Alternating current Caution, possibility of electric shock Warning! Refer to the manual In compliance with the directive of European Union Panel Description 1 NCV sensor head...

  • Page 5: Turning On The Detector

    Operating Instructions 1. Turning on the detector Short press the power button. The buzzer will beep twice and the red indicator light on the panel will light up, indicating that the detector is on and ready for use. The default AC voltage detection range is 90- 1000V.

  • Page 6: Auto Power Off

    4. Detection range selection a) When the detector is on, the default mode is high voltage mode, with detection range of 90-1000V. The red indicator light on the panel will light up. b) Short press the power button once. The red indicator light will switch to green, and the device will switch to low voltage mode, with range of 24-1000V.

  • Page 7: Specifications

    Specifications 90~1000V AC (red indicator) AC voltage range 24~1000V AC (green indicator) Frequency range 50Hz/60Hz Audio/visual Alarm mode Flashlight White spotlight Auto power off About 5 minutes Low battery indication √ Safety class CAT IV 1000V Operating temperature 0~40°C Storage temperature -20~50°C Humidity ≤80% (non-condensing)

  • Page 8: Battery Replacement

    Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use. Triplett warrants to the original purchaser for use that the products sold by it will be free from defects in workmanship and material for a period of (1) one year from the date of purchase.

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