1Pcs YB5135FD Digital Display Electrical AC Frequency Counter Meter Indicator Tester Measure 45-65Hz Cymometer 79 * 43 * 25mm(Full-Closed Type)

VoltmeterYB5135FD Digital Display Electricity AC Frequency Counter Meter Indicator Frequency Tester Measure 45-65Hz CymometerAttention:The meter can only be used to measure 50/60Hz sine wave circuit.If it is used to measure square wave, output of inverter and correction sine wave,it will be burnt.Technical Parameters:Testfrequency:AC45.0-65.0 HzFrequency display resolution: 0.1 HzVoltage amplitude of test frequency:AC80-500V<;0.2WDimension: 79*43*25mmMountinghole: 76*39.5mmDisplaymode: LCDwithbluebacklightMeasurementaccuracy:0.5%(±2digits)Measurementrate:2times/SWorkingtemperature: -10~+50degreesWorkingpressure:80~106kPaWorkinghumidity:10~80%(nocondensation)Sunexposure: nodirectexposureThe difference between Full-closed and Semi-closed:Semi-closed: no backcover, from the back "can see" components on the circuit board; viewing area: 51*24.5mm; font: 19*9mm Full-closed:with a backcover, from the back "can not see" components on the circuit board; viewing area: 61*24.5mm; font: 21*11mmFeatures:Two-wire direct measurement without working power. display with blue backlit.Product stability is good, high precision measurement, anti-interference ability.The appearance of the standard size, easy installation.==========Hign-concerned Chemical : NoneDimensions : 79*43*25mmOperating Temperature : -10~ +50 degreesAccuracy Class : 0.5% +/- 2 digitsMeasuring Range : AC45.0-65.0HzModel Number : YB5135FDDisplay Type : Digital OnlyDIY Supplies : ELECTRICALOrigin : Mainland Frequency Display Resolution : 0.1 HzVoltage amplitude of test frequency : AC80-500VDisplay mode : with blue backlitCover mode : Semi-closed/Full-closed typeMounting hole : 76*39.5mmPower consumption : less than 0.2WSampling speed : about 2 times per seconds

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• 1Pcs YB5135FD Digital Display Electrical AC Frequency Counter Meter Indicator Tester Measure 45-65Hz Cymometer 79*43*25mm