7440华仪安规综合测试仪

特点： 交/直流耐压、绝缘阻抗、接地阻抗测试20×2 点矩阵 LCD 显示器可选配内建4组或8组高压矩阵式扫描信道(7420, 7430 & 7440)内建50组程序记忆、每一组8个测试步骤可进行程序记忆步骤的连结测试测试线路阻抗自我归零校整功能，确保测试结果的准确性前面板软件输入校正内建PLC Remote遥控界面键盘锁定功能可外接标准GPIB/RS232/Print Card界面作控制全范围电压输出的稳压率在1%以内MODEL7410742074307440AC WITHSTAND VOLTAGEOutput Rating5KVAC/30mA5KVAC/30mA5KVAC/40mA5KVAC/40mA RangeResolutionAccuracyOutput Voltage,ACV0 - 50001±（2% of setting + 5V）Output Frequency50Hz/60Hz ±100ppm, User SelectionOutput WaveformSine Wave ,THD.<2% (Resistive Load), Crest Factor = 1.3 - 1.5Output Regulation± (1% of output + 5V), From no load to full loadSETTINGSHi-Limit AC Current, mA0-30.000-30.000-40.000-40.00Resolution : 0.01, Accuracy : ±（2% of setting + 3counts）Lo-Limit AC Current, mARange : 0 - 9.999Resolution : 0.001, Accuracy : ±（2% of setting + 3counts）Ramp Time, second0.1 - 999.90.1±（0.1% + 0.05sec）Dwell Time, second0, 0.3 - 999.9

(0=continuous)0.1Arc Detection1 - 9 ranges (9 is the most sensitivity)AC Current Offset, mA0 - 2.000 or Auto SetDC WITHSTAND VOLTAGEOutput Rating6KVDC/9999µAOutput Voltage, DCV0 - 60001±（2% of setting + 5V）Output Ripple<5%（6KV/9999µA at Resistive Load）SETTINGSHi-Limit DC Current, µA0 - 99991±（2% of setting + 3counts）Lo-Limit DC Current, µA0 - 999.90.1±（2% of setting + 3counts）Ramp Time, second0.1 - 999.90.1±（0.1% + 0.05sec）Dwell Time, second0, 0.4 - 999.9

(0=continuous)0.1Arc Detection1 - 9 ranges (9 is the most sensitivity)DC Current Offset, ?A0 - 200.0 or Auto SetRamp High CurrentON/OFF, User SelectionCharge - Low Current, µA0 - 350.0 or Auto SetDischarge Time≦ 200 msecINSULATION RESISTANCEOutput Rating1KVDC/9999MΩOutput Voltage, DCV100 - 10001±（2% of setting + 3V）Hi-Limit Resistance, MΩ0, 1 - 9999 (0=OFF)1±（2% of setting+2counts）at 500-1000VDC, 1 -999.9 MΩ

±（8% of setting+2counts）at 500-1000VDC, 1000 -9999 MΩ

±（8% of setting+2counts）at 100-499VDC, 1 -999.9 MΩLo-Limit Resistance, MΩ1 - 99991Delay Time, second0, 0.5 - 999.9

(0=continuous)0.1±（0.1% + 0.05sec）Charge - Low Current, µA0 - 3.500 or Auto SetGROUND BOND (7440 ONLY)Output Rating30A/600mΩ, 8VOutput AC Current, A3.00 - 30.000.01± (2% of setting +3 counts)Output AC Voltage, V3.00 - 8.000.01± (2% of setting +3 counts) at Open circuitOutput Frequency50Hz/60Hz ±100ppm, User SelectionSETTINGSHi-Limit Resistance, mΩ0 - 150 (3 - 30A)1± (2% of setting +2 counts)Lo-Limit Resistance, mΩ0 - 600 (3 - 10A)Lead Resistance Offset, mΩ0 -2001± (2% of setting +2 counts)Dwell Time, second0, 0.5 - 999.9 sec (0=continuous)0.1±（0.1% + 0.05sec）MEASUREMENTAC/DC Voltage, KV0 - 6.000.01±（1.5% of reading + 1count）DC Voltage, V (IR)100 - 10001±（1.5% of reading + 3V）AC Current Range, mA0-3.5000-3.5000-3.5000-3.5003.00-30.003.00-30.003.00-40.003.00-40.00AC Current Resolution, mA0.001/0.01AC Current Accuracy, mA± (2% of reading + 3counts)DC Current Range, µA0-350.00.1± (2% of reading + 3counts)300 - 350013000-999910AC Current, A (GB)0 - 35.000.01±（2% of reading+3counts）Resistance, , MΩ(IR)1 - 9999

(Auto Range)0.001

0.01

0.1

1±（8% of reading+2counts）at 100-499VDC,

1-999.9 MΩ

±（8% of reading+2counts）at 500-1000VDC,

1000 -9999 MΩ

±（2% of reading+2counts）at 500-1000VDC,

1 -999.9 MΩResistance, , mΩ (GB)0 - 6001±（2% of reading+2counts）GENERALInput Voltage AC115/230Vac±15%, 50/60Hz ± 5%, Fuse 5A Slow for 7410/7412 model, 6.3A Slow for 7420/7430/7440 modelPLC Remote ControlInput : Test , Reset , Memory1.2.3Output : Pass , Fail , ProcessingMemory50 memories, 8 steps/memoryDisplay20×2 LCD with back lightKey LockTo prevent unauthorized alteration of the test ParametersCalibrationBuild-in software and external calibrated metersAlarm Volume SettingRange: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume.Rear Panel OutputYESYESYESYESBuilt-in Scanner-8channelsOptionOptionExternal ScannerYESYESYESYESSmart GFIYESYESYESYESAnalog Meter--YESYESRS232 InterfaceOptionOptionYESYESGPIB InterfaceOptionOptionOptionOptionPrinter InterfaceOptionOptionOptionOptionTUV-GS listed--YESYESCE Compliance--YESYESEnvironment0-40℃, 20-80%RHDimension (W×H×D)430×133×300 (mm)430×133×500( mm)430×133×500(mm)Net Weight12Kg18Kg22KgSTANDARD ACCESSORIESPower Cord(10A)×1Fuses×2 (Including a spare contained in the fuse holder)Hipot Test Lead ,1.5m(1101)×1Return Test Cable(1102)×1Hipot Return Lead ,1.8m(1103)---×1Ground Bond Return Lead 30A ,1.5m(1104)---×1Hipot Output Link Lead ,1.5m(1109)-×8--RS232 Link Cable 1.5m(1130)--×1×1Disk ( RS232 test program )--×1×1*product specifications are subject to change without notice