Triplett ET350 Assembly Instructions Manual
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Triplett ET350 Assembly Instructions Manual

Non-contact voltage and magnetic field detector
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User Manual
Model ET350
Non-Contact Voltage and Magnetic Field Detector
Introduction
Congratulations on your purchase of the Triplett ET350 Non-Contact Voltage
and Magnetic Field 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 ET350 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.
Visit us at www.TestEquipmentDepot.com
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431

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Summary of Contents for Triplett ET350

  • 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 ET350 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 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. When low battery indication appears, please replace the batteries.
  • Page 4 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 2 Flashlight lighting 3 sensing signal LED 4 Mode status indicator light 5 Power button 6 Flashlight button 7 Pocket clip...
  • Page 5 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. 2.

  • Page 6: Magnetic Field Detection

    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: Low Battery Indication

    In the magnetic field detection mode, place the detector tip near the solenoid valve in operation. When the magnetic flux is detected to be greater than 5mT, the yellow LED in the tip will be on, and the buzzer will beep slowly, indicating that the solenoid valve is working properly. Note: If the magnetic flux is less than 5mT, please use the front of the detector tip to detect.

  • Page 8: Technical Specifications

    Technical Specifications ET350 (US) AC voltage 90~1000V AC (red indicator) range 24~1000V AC (green indicator) Frequency 50Hz/60Hz range Alarm mode Audio/visual Flashlight White spotlight Auto power About 5 minutes Low battery √ indication Vibration function Magnetic field √ detection (Yellow indicator light on)

  • Page 9: Battery Replacement

    Warranty Information 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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