Triplett ET330 User Manual

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.

Triplett ET330 Specifications

General

Brand	Triplett
Model	ET330
Category	Security Sensors
Language	English

Summary

Introduction

Features

Low voltage mode

Detects AC voltage from 24V to 1000V, suitable for low-voltage motors and weak signals.

High voltage mode

Detects AC voltage from 90V to 1000V, for urban electric supply and three-phase systems.

Safety Information

General Safety Warnings

Crucial warnings and precautions for safe operation, including testing and voltage limits.

Electrical Symbols

Explanation of safety symbols like double insulation and electric shock warnings.

Panel Description

Identification of device components like sensor head, LEDs, power button, and pocket clip.

Operating Instructions

Basic Operation

Covers turning the detector on/off, flashlight control, and AC voltage detection procedure.

Mode and Power Management

Details on selecting detection ranges, auto power off, manual shutdown, and low battery indication.

Specifications

Maintenance and Warranty

Battery Replacement

Step-by-step guide on how to open the detector and replace batteries.

Warranty Information

Details on the product warranty, coverage, and exclusions.