Product Parameters: Measurement accuracy: 1％(±2 digits) Display: LCD dual display Measuring range: AC vlotage: AC 80-300V Frequency: 45-65.0Hz No power supply: Two wires just connected to testing voltage, then you can also test the voltage frequency Testing rate: 2 times/sec Overall dimension:79x43x48mm (L*H*W) Install dimension:76x39mm Display dimension:53x27mm Extremely working conditions: Working temperature: -10 ° C + 50 ° C Humidity: 10 - 80% (non-condensing) Working pressure: 80 - 106kPa Sunlight: no direct exposure Note: This meter only fits with pure AC 45-650HZ power supply. Should not be used for wave square, output of inverter and circuit testing in sine wave of revised wave square, or the meter will be damaged forever wave. Package included: 1*AC Voltage Meter
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