产品名称： 华仪7440安规综合测试仪7440/7410
包含交流耐?骸⒅绷髂？骸⒔^？阻抗、接地阻抗?y？
可？配?冉？？或8？高?？呙柰ǖ？br />具有50？？??？；每？有8???y？步？
RS232?？？式缑？br />GPIB?檫x配界面
前面板？？？入校正
可使用于?y？系？(9100)中？格表 AC WITHSTAND VOLTAGE RangeResolutionAccuracyOutput Voltage, Vac0 - 5000 @ 40mA max1±(2% of setting + 5V)Output Frequency50 or 60 Hz, ?00 ppmOutput WaveformSine wave, crest factor > 1.3 and < 1.5Output Regulation±1% of setting + 5V, from no load to full loadSETTINGS   Hi Limit, current, mA0.00 - 40.000.01±(2% of setting + 2 counts)Lo Limit, current, mA0.000 - 9.9990.001±(2% of setting + 2 counts)Dwell Time, second0.3 - 999.90.1±(0.1% + 0.05 sec.)Ramp Time, second0.1 - 999.90.1±(0.1% + 0.05 sec.)Offset, current, mA0 - 2.000 or AutoAcr Detecion9 rangesDC WITHSTAND VOLTAGEOutput Voltage, DCV0 - 60001±(2% of setting + 5V)SETTINGS   Hi-Limit, current,μA0 - 99991±(2% of setting + 2 counts)Lo-Limit, current,μA0 - 999.90.1±(2% of setting + 2 counts)Dwell Time, second0.4 - 999.90.1±(0.1% + 0.05 sec.)Ramp Time, second0.1 - 999.90.1±(0.1% + 0.05 sec.)Offset, current,μA0 - 200.0or AutoRamp-High, current, mAOn/Off user selection (12mA peak max.)Charge-Low, current,μA0 - 350 or AutoINSULATION RESISTANCE RangeResolutionAccuracyOutput Voltage, Vdc100 - 10001±(2% of seffing+2V)SETTINGSHi Limit, resistance,MΩ1 - 9999, 0=off1±(2% of setting + 2counts)
@500-1000VDC/1-1000MΩLo Limit, resistance,MΩ1 - 99991±(8% of setting + 2counts)
@100-1000VDC/1-9999MΩDelay Time, second0.5 - 999.90.1±(0.1% + 0.05 sec.)Charge-Low, current,μA0 - 3.500, or AutoGROUND BONDOutput Current, AC3.00 - 30.000.01±(2% of reading + 2 counts)Output Voltage, AC3.00 - 8.000.01±(2% of reading + 3 counts)Output Frequency, Hz50 or 60, ±100 ppmSETTINGS   Lead Resistance Offset, mΩ2001±(1% of setting + 2 mHi Limit, resistance, mΩ0 - 6001±(2% of setting + 2 mDwell Time, second0.5 - 999.90.1±(0.1% + 0.05 sec.)MEASUREMENTVoltage, KV0.00 - 6.000.01±(2% of reading + 1 count)AC Current, mA0.000 - 3.500
3.00 - 40.000.001
0.01±(2% of reading + 3 counts)DC Current,μA0 - 350.0
300 - 3500
3000 - 99900.1
1
10±(2% of reading + 3 counts)DC Voltage, V(Insulation)0 - 10001?±(2% of reading + 2 counts)Resistance,MΩ1 - 9999 Autorange-±(2% of setting + 2counts)
@500-1000VDC/1-1000MΩ±(8% of setting + 2counts)
@100-1000VDC/1-9999MΩGENERALMemory50 sets, 8 steps per memoryPLC Remote ControlTest, Reset, Recall memory 1, 2, 3 functionsPLC Signal OutputPass, Fail, ProcessingExternal Scanner PortTwo, for connecting to 7002 scannersInternal ScannerOptional, 8 channels, factory installedLCD Display20 x 2 LCD with back light, 9 ranges contrast settingKey LockFront panel or 4-digit passwordPass/Fail IndicatorLighted button and settable audible alarmCalibrationBuild-in software and external calibrated metersInterfaceRS232 standard, GPIB and Printer port optionalDimension / Net WeightEIA 3U /430(W) x 133(H) x 500(D) mm / 22 Kg.Input Voltage, AC115/230 V±15%, 47 - 63 HzEnvironment0 - 40℃, RH 0 - 85%