LONN Professional Handheld Digital LCD Electromagnetic Radiation Tester Field Intensity Meter Detector EMF829 Indicator of High Frequency Electrosmog Meter

Common Specifications Measurement method:Digital, triaxial measurement Directional characteristic:Isotropic, triaxial Measurement range selection:One continuous range Display resolution:0.1mV/m, 0.1 μA/m, 0.1 μW/m², 0.001 μW/cm² Setting time:Typically 1s (0 to 90% of meas. value) Display refresh rate:Typically 400mS Display type:LCD 4 digit Measurement units:mV/m, V/m , μA/m , mA/m , μW/m² , mW/m² , μW/cm² Measurement display value:Instantaneous measured value, maximum value or average value since power-on. Measurement alarm function:Adjustable threshold with ON/OFF Measurement calibration factor CAL:Adjustable Manual data memory and read storage:99 sets (only recall by meter) Battery:4batteries of 9V(cannot send) Battery life:>15 hours Automatically power off: 15 minutes Operation temperature range:0°C - +50°C Operation humidity range:25% - 75%RH Storage temperature range:-10°C - +60°C Storage humidity range:0% - 80%RH Dimension:261cm(Length)* 73cm(Width)*38cm(Height) Weight(include batteries):About 220g Accessory: carrying case & manual 3-2 Electrical specification 1.Unless otherwise stated, all specifications hold under the following assumptions: device in far-field of a source; probe head pointing toward source; Environment temperature:+23℃± 3℃ Relative air humidity:25% to 75% 2.Sensor type:Electric field 3.Frequency range:50MHz to 3.5 GHz 4.Measurement range: Continuous(CW)signal(f>50MHz): 20mV/m to 108.0V/m; 53uA/m to 286.4mA/m;1uW/m² to 30.93W/m²;0uW/cm² to 3.093mW/cm² 5.Dynamic range: about 75dB 6.Absolute error(below 1V/m and 50MHz):± 1.0dB 7.Frequency response Taking into account the sensor CAL factor:± 1.0dB (50MHz to 1.9 GHz) , ±2.4dB(1.9GHz to 35GHz) Isotropy deviation: about ±1.0dB (f>50 MHz) Overload limit:4.2W/m2 (40 V/m) Temperature response(0 to 50 ℃) :± 1.5dB