7440 安规综合分析仪 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 規格表 AC WITHSTAND VOLTAGE Range Resolution Accuracy Output Voltage, Vac 0 - 5000 @ 40mA max 1 ±(2% of setting + 5V) Output Frequency 50 or 60 Hz, ?00 ppm Output Waveform Sine wave, crest factor > 1.3 and < 1.5 Output Regulation ±1% of setting + 5V, from no load to full load SETTINGS Hi Limit, current, mA 0.00 - 40.00 0.01 ±(2% of setting + 2 counts) Lo Limit, current, mA 0.000 - 9.999 0.001 ±(2% of setting + 2 counts) Dwell Time, second 0.3 - 999.9 0.1 ±(0.1% + 0.05 sec.) Ramp Time, second 0.1 - 999.9 0.1 ±0.1% + 0.05 sec.) Offset, current, mA 0 - 2.000 or Auto Acr Detecion 9 ranges DC WITHSTAND VOLTAGE Output Voltage, DCV 0 - 6000 1 ±(2% of setting + 5V) SETTINGS Hi-Limit, current,A 0 - 9999 1 ±(2% of setting + 2 counts) Lo-Limit, current,A 0 - 999.9 0.1 ±(2% of setting + 2 counts) Dwell Time, second 0.4 - 999.9 0.1 ±(0.1% + 0.05 sec.) Ramp Time, second 0.1 - 999.9 0.1 ±(0.1% + 0.05 sec.) Offset, current,A 0 - 200.0or Auto Ramp-High, current, mA On/Off user selection (12mA peak max.) Charge-Low, current,A 0 - 350 or Auto INSULATION RESISTANCE Range Resolution Accuracy Output Voltage, Vdc 100 - 1000 1 ±(2% of seffing+2V) SETTINGS Hi Limit, resistance,M 1 - 9999, 0=off 1 ±(2% of setting + 2counts)@500-1000VDC/1-1000M Lo Limit, resistance,M 1 - 9999 1 ±(8% of setting + 2counts)@100-1000VDC/1-9999M Delay Time, second 0.5 - 999.9 0.1 ±(0.1% + 0.05 sec.) Charge-Low, current,A 0 - 3.500, or Auto GROUND BOND Output Current, AC 3.00 - 30.00 0.01 ±(2% of reading + 2 counts) Output Voltage, AC 3.00 - 8.00 0.01 ±(2% of reading + 3 counts) Output Frequency, Hz 50 or 60, ∮100 ppm SETTINGS Lead Resistance Offset, m 200 1 ±(1% of setting + 2 m Hi Limit, resistance, m 0 - 600 1 ±(2% of setting + 2 m Dwell Time, second 0.5 - 999.9 0.1 ±(0.1% + 0.05 sec.) MEASUREMENT Voltage, KV 0.00 - 6.00 0.01 ±(2% of reading + 1 count) AC Current, mA 0.000 - 3.5003.00 - 40.00 0.0010.01 ±(2% of reading + 3 counts) DC Current,A 0 - 350.0300 - 35003000 - 9990 0.1 110 ±(2% of reading + 3 counts) DC Voltage, V(Insulation) 0 - 1000 1 ±(2% of reading + 2 counts) Resistance,M 1 - 9999 Autorange - ±(2% of setting + 2counts)@500-1000VDC/1-1000M ±(8% of setting + 2counts)@100-1000VDC/1-9999M GENERAL Memory 50 sets, 8 steps per memory PLC Remote Control Test, Reset, Recall memory 1, 2, 3 functions PLC Signal Output Pass, Fail, Processing External Scanner Port Two, for connecting to 7002 scanners Internal Scanner Optional, 8 channels, factory installed LCD Display 20 x 2 LCD with back light, 9 ranges contrast setting Key Lock Front panel or 4-digit password Pass/Fail Indicator Lighted button and settable audible alarm Calibration Build-in software and external calibrated meters Interface RS232 standard, GPIB and Printer port optional Dimension / Net Weight EIA 3U /430(W) x 133(H) x 500(D) mm / 22 Kg. Input Voltage, AC 115/230 V±15%, 47 - 63 Hz Environment 0 - 40, RH 0 - 85%
选购信息
7410 Dielectric Analyzer (ACW,DCW,IR) 7412 Dielectric Analyzer with CE (ACW,DCW,IR) 7420 Dielectric Analyzer with Build-in 8 Channels Scanner (ACW,DCW,IR) 7430 Dielectric Analyzer (ACW,DCW,IR) 7440 Electrical Safety Compliance Analyzer (ACW,DCW,IR,GB) Opt.701 Scanner Channel to 4W+4G for 7440 Opt.702 Scanner Channel to 8W+8G for 7440 Opt.705 RS232 Interface Opt.706 GPIB Interface Opt.707 Printer Port Interface Opt.717 6KV AC output Opt.727 JigA/JigB Software +Signal Output Port Card + 8CH Matrix Scanner Opt.728 JigA/JigB Software +Signal Output Port Card
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