Product Specifications
Handheld electromagnetic field tester with black casing and backlit LCD display. The device supports electric field measurement, magnetic field measurement, and temperature measurement. Electric field measurement range: 1 V/m to 1999 V/m, alarm threshold: greater than 40 V/m, resolution: 1 V/m. Magnetic field measurement resolution: 0.01 uT, alarm threshold: 0.4 uT. Temperature measurement range: -10C to 70C. Display type: 3-1/2 digit LCD. Test frequency bandwidth: 5Hz to 3500MHz. Sampling time: about 0.4 seconds. Working humidity: relative humidity less than 80 percent. Working voltage: DC 4.5V. Power supply: 3 x AAA 1.5V batteries, not included. Package includes 1 radiation detector and 1 manual.

Core Features
This tester combines three measurement functions in one unit, allowing users to check electric field, magnetic field, and temperature with a single device. The LCD screen is designed for direct reading, while the alarm threshold feature helps indicate when measured values exceed the specified level. With a sampling time of approximately 0.4 seconds and a test frequency bandwidth of 5Hz to 3500MHz, it is built for routine detection and reference measurement.

Suitable Scenarios
Suitable for users who need to observe electromagnetic field conditions and temperature in everyday environments. It can be used for general checking in indoor spaces, around electronic equipment, and in other locations where electric field and magnetic field readings are needed. Its handheld form factor also makes it convenient for portable use during spot checks.

Product Summary
This handheld detector is a multi-functional measurement tool that combines electric field detection, magnetic field detection, and temperature measurement in one compact device. With an LCD display, alarm indication, and portable design, it offers a straightforward option for daily measurement tasks.