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EXETCH7420

产品型号:
更新时间: 2017-03-06
描述:华仪7420 交流/直流耐压/绝缘测试仪四合一综合测试仪。
AC/DC Withstand Voltage/Insulation Tester

产品介绍

EXTECH7420安规测试仪功能介绍:

  • ●交流耐压/直流耐压/绝缘电阻/接地阻抗等四大功能测试
  • 20 × 2 点矩阵LED 显示器
  • ●可选配交流500VA/100mA功率单元 
  • ●内建50组程序储存、每一组可设定8个测试步骤,可进行步骤间的连续测试
  • 测试线路阻抗自我归零校整功能,确保测试结果的准确性
  • ●前面板输入软件校正
  • ●4通道或8通道扫描功能(选件)
  • ●PLC远端控制接口
  • ●键盘锁定功能
  • ●标配RS232接口,可选配GPIB接口
  • 全范围电压输出的稳压率在1%以内
  •  

EXTECH7420(华仪7420)安规测试仪技术参数:

EXTECH)MODEL7410华仪742074307440
AC WITHSTAND VOLTAGE
Output Rating5KVAC / 30mA5KVAC / 30mA5KVAC / 40mA5KVAC / 40mA
 RangeResolutionAccuracy
Output Voltage,ACV0 - 50001±(2% of setting + 5V)
Output Frequency50Hz / 60Hz ± 0.1%, User Selectable
Output WaveformSine Wave ,THD. < 2% (Resistive Load), Crest Factor = 1.3 - 1.5
Output Regulation± (1% of output + 5V), From no load to full load
SETTINGS
Hi-Limit AC Current, mA0 - 30.000 - 30.000 - 40.000 - 40.00
Resolution : 0.01, Accuracy : ±(2% of setting + 3counts)
Lo-Limit AC Current, mARange : 0 - 9.999
Resolution : 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)
0.1
Arc DetectionThe range is from 1 - 9 (9 is the most sensitive)
AC Current Offset, mA0 - 2.000 or Auto Set
DC WITHSTAND VOLTAGE
Output Rating6KVDC/9999µA
Output Voltage, DCV0 - 60001±(2% of setting + 5V)
Output Ripple< 5% (6KV / 9999 μA at Resistive Load)
SETTINGS
Hi-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% of setting + 0.05s)
Dwell Time, second0, 0.4 - 999.9
(0=continuous)
0.1
Arc DetectionThe range is from 1 - 9 (9 is the most sensitive)
DC Current Offset, ?A0 - 200.0 or Auto Set
Ramp High CurrentON/OFF, User Selectable
Charge - Low Current, µA0 - 350.0 or Auto Set
Discharge Time≦ 200 msec
INSULATION RESISTANCE
Output Rating1KVDC / 9999MΩ
Output Voltage, DCV100 - 10001± (2% of setting + 3V)
Hi-Limit Resistance, MΩ0, 1 - 9999 (0=OFF)1100 - 499V
1 - 999.9, ± (8% of setting + 2counts)
500 - 1000V
1 - 999.9, ± (2% of setting + 2counts)
1000 - 9999, ± (8% of setting + 2counts)
Lo-Limit Resistance, MΩ1 - 99991
Delay Time, second0, 0.5 - 999.9
(0=continuous)
0.1±(0.1% + 0.05sec)
Charge - Low Current, µA0 - 3.500 or Auto Set
GROUND BOND (7440 ONLY)
Output Rating30A / 600mΩ, 8V
Output 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 circuit
Output Frequency50Hz/60Hz ±100ppm, User Selectable
SETTINGS
Hi-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% of setting + 0.05s)
MEASUREMENT
AC/DC Voltage, KV0 - 6.000.01±(1.5% of reading ) > 500V
±(1.5% of reading + 1 count) < 500V
DC Voltage, V (IR)100 - 10001±(1.5% of reading + 3V)
AC Current Range, mA0 - 3.5000 - 3.5000 - 3.5000 - 3.500
3.00 - 30.003.00 - 30.003.00 - 40.003.00 - 40.00
AC Current Resolution, mA0.001 / 0.01
AC Current Accuracy, mA± (2% of reading + 3counts)
DC Current Range, µA0 - 350.00.1± (2% of reading + 3counts)
300 - 35001
3000 - 999910
AC 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
100 - 499V
1 - 999.9, ± (8% of reading + 2counts)
500 - 1000V
1 - 999.9, ± (2% of reading + 2counts)
1000 - 9999, ± (8% of reading + 2counts)
Resistance, , mΩ (GB)0 - 6001±(2% of reading+2counts)
GENERAL
Input Voltage AC115V / 230Vac ± 15%, 50Hz / 60Hz ± 5%, max. current 5A for 7410 model, max. current 6.3A for 7420 / 7430 / 7440 model
PLC Remote ControlInput : Test, Reset, Memory1, 2, 3
Output : Pass, Fail, Processing
Memory50 memories, 8 steps/memory
Display20×2 LCD with back light
Key LockTo prevent unauthorized alteration of the test Parameters
CalibrationBuild-in software and external calibrated meters
Alarm Volume SettingRange: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume.
Rear Panel OutputYESYESYESYES
Built-in Scanner-8 CHANNELSOPTIONOPTION
External ScannerYESYESYESYES
Smart GFIYESYESYESYES
Analog Meter--YESYES
RS232 InterfaceOPTIONOPTIONYESYES
GPIB InterfaceOPTIONOPTIONOPTIONOPTION
Printer InterfaceOPTIONOPTIONOPTIONOPTION
TUV-GS listed--YESYES
CE Compliance--YESYES
Environment0-40℃, 20-80%RH
Dimension (W × H × D), mm430 × 133 × 300430 × 133 × 500430 × 133 × 500
Net Weight12Kg18Kg22Kg
STANDARD ACCESSORIES
Power Cord(10A)×1
Fuses×2 (Including a spare contained in the fuse holder)
Hipot Test Lead ,1.5m(1101)×1
Return Test Cable(1102)×1
Ground Bond Test Lead 30A, 1.5m (1103)---×1
Ground Bond Return Lead 30A, 1.5m (1104)---×1
Hipot Output Link Lead, 1.5m (1109)-×8--
RS232 Link Cable 1.5m (1130)--×1×1
Disk (RS232 test program)--×1×1
*product specifications are subject to change without notice.

华仪7420安规测试仪,深圳市大伟兴科技特销售,欢迎选购,更多的资讯请www.d17.com

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