Insulation Resistance Tester, ETCR4400 0~360 Degree Digital Three Phase Volt-Ampere Meter With RS232 Interface 500 Groups Data Storage Round Current Clamp

Power DC9V alkaline batteries(1.5V AA×6)Consumption About 80mA at most with enabled backlight, battery working continuously for about 10hoursAbout 5mA with disabled backlight, battery working continuously for about 16hoursDisplay Mode LCD display, 240dots×160dotsMeter Size Length, Width, Height:196mm×92mm×54mmClamp Size round current clamp:35mm×40mmMeasurement Range(automatic shift) AC Voltage:0.00V~600V(automatic shift)AC Current:0.0mA~20.0A (automatic shift)Phase:0~360°Frequency:45.00Hz~65.00HzActive Power:0.0W~12kWReactive Power:0.0W~12kVARApparent Power:0.0W~12kVAPower Factor:-1~+1Current Vector Sum:0mA~60.0AResolution Voltage:AC 0.01VCurrent:AC 0.1mAPhase:0.1°Frequency:0.01HzActive Power:0.1WReactive Power:0.1VARApparent Power:0.1VAPower Factor:0.001Current Vector Sum:1mAPhase Sequence Positive Phase Sequence:U1,U2,U3 or I1,I2,I3 cursors blink in order from left to rightNegative Phase Sequence:U1,U2,U3 or I1,I2,I3 cursors blink in order from right to leftSampl e Rate About 2times/secondData Hold Press HOLD key to keep data, " DH " symbol appearsData Storage 500 setsRS232 Interface USB-RS232 interface, download data to computer for analysis and managementAutomatic Shutdown Automatic shutdown about 15 minutes later after launching to reduce battery consumptionBacklighting Suitable for dark place and nightly useVoltage Detection Low battery symbol “ " appears to remind the replacement of battery when the battery voltage drops below 7.2V.Weight Main Unit about 550g(with battery),acuminate current clamp about 170g×3, roundcurrent clamp about 185g×3, test line about 250gTest Line Length 1.5mCurrent Clamp Length 2m×φ5mmWorking Temperature and Humidity -10°C~40°C;below 80%RhStorage Temperature and Humidity -10°C~60°C;below 70%RhInput Impedence Testing voltage the input impendence is 2MΩWithstand Voltage Withstand 1000V/50Hz sine wave AC voltage for 1 minute between the meter lines and shell; Withstand 500V/50Hz AC voltage sine wave for 1 minute between the two voltage inputsInsulation ≥100MΩbetween meter lines and shell or between the two voltage inputsStructure Double insulation, with insulation vibration-proof sheathS afety S pecifications IEC61010-1 CAT III 600V, IEC61010-031, IEC61326, 2 class of pollutionAccessories Main Unit: 1pc; Meter Box: 1piece; Current Clamp: 3 pcs; Test Line: 4pcs(yellow, green, red,black); RS232 Data Line: 1 pc; Disk: 1 pc; Battery: 6pcs( alkaline dry battery : 1.5V AA); User Manual: 1 pc; Guarantee Card : 1 pc; Certification: 1 pc.

• Simultaneous measurement of three-phase AC voltage, current, phase between voltage, phase between current, phase between voltage and current, frequency, phase sequence, active power, reactive power, apparent power, power factor, current vector sum, distinguish transformer wiring group, inductive and capacitive circuits, test second circuit and bus differential protection systems, read the phase relationship between CTs of the differential protection, check the meter wiring right, repair lines and equipment, etc.