ELECTROMAGNETIC FIELD METER BENETECH GM3120 WAVE TESTER The electromagnetic field meter is used to measure electric and magnetic field radiation. The GM3120 is designed for testing electromagnetic radiation in both indoor and outdoor environments. It features an internal built-in electromagnetic radiation sensor. Measurements are displayed on a digital monochrome LCD screen, allowing users to take appropriate actions based on the results.TECHNICAL PARAMETERS: Units: V/m (electric field) / T (magnetic field) Accuracy: 1 V/m (electric field) / 0.01 T (magnetic field) Range: 1 V/m 1999 V/m (electric field) / 0.01 T 19.99 T (magnetic field) Alarm threshold: 40 V/m (electric field) / 0.4 T (magnetic field) Display: 3-1/2 digit LCD Frequency bandwidth: 5 Hz 3500 MHz Sample time: approximately 0.4 seconds Test mode: Bimodule synchronous test Over-range indication: Display shows "1" Operating temperature: 0C to 50C Operating humidity: Up to 80% relative humidity Operating voltage: 9V Power supply: 6F22 9V battery Dimensions: 63.6 x 31 x 125.8 mm Weight: 146 g The device meets the following reference standards: GB8702-1988, HJ/T10.3-1996, GB9175-88DISPLAY ELEMENTS: - Electric field measurement result - Magnetic field measurement result - Backlight indicator - Battery level indicator - Sound signal indicator - VPP peak measurement value - AVG average measurement value - HOLD hold function to freeze current reading DEVICE COMPONENTS: A. Sensor area B. LCD display C. Measurement mode switch (Max/Avg) D. Hold and alarm switch button E. Power and backlight button F. Battery compartment PACKAGE CONTENTS: - Meter - 9V battery - User manual