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7440 安规综合分析仪 |
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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 |
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規格表
AC WITHSTAND VOLTAGE |
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Range |
Resolution |
Accuracy |
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Output Voltage, Vac |
0 - 5000 @ 40mA max |
1 |
±(2% of setting + 5V) |
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Output Frequency |
50 or 60 Hz, ?00 ppm |
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Output Waveform |
Sine wave, crest factor > 1.3 and < 1.5 |
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Output Regulation |
±1% of setting + 5V, from no load to full load |
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SETTINGS |
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Hi Limit, current, mA |
0.00 - 40.00 |
0.01 |
±(2% of setting + 2 counts) |
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Lo Limit, current, mA |
0.000 - 9.999 |
0.001 |
±(2% of setting + 2 counts) |
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Dwell Time, second |
0.3 - 999.9 |
0.1 |
±(0.1% + 0.05 sec.) |
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Ramp Time, second |
0.1 - 999.9 |
0.1 |
±0.1% + 0.05 sec.) |
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Offset, current, mA |
0 - 2.000 or Auto |
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Acr Detecion |
9 ranges |
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DC WITHSTAND VOLTAGE |
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Output Voltage, DCV |
0 - 6000 |
1 |
±(2% of setting + 5V) |
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SETTINGS |
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Hi-Limit, current,A |
0 - 9999 |
1 |
±(2% of setting + 2 counts) |
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Lo-Limit, current,A |
0 - 999.9 |
0.1 |
±(2% of setting + 2 counts) |
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Dwell Time, second |
0.4 - 999.9 |
0.1 |
±(0.1% + 0.05 sec.) |
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Ramp Time, second |
0.1 - 999.9 |
0.1 |
±(0.1% + 0.05 sec.) |
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Offset, current,A |
0 - 200.0or Auto |
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Ramp-High, current, mA |
On/Off user selection (12mA peak max.) |
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Charge-Low, current,A |
0 - 350 or Auto |
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INSULATION RESISTANCE |
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Range |
Resolution |
Accuracy |
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Output Voltage, Vdc |
100 - 1000 |
1 |
±(2% of seffing+2V) |
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SETTINGS |
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Hi Limit, resistance,M |
1 - 9999, 0=off |
1 |
±(2% of setting + 2counts)
@500-1000VDC/1-1000M |
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Lo Limit, resistance,M |
1 - 9999 |
1 |
±(8% of setting + 2counts)
@100-1000VDC/1-9999M |
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Delay Time, second |
0.5 - 999.9 |
0.1 |
±(0.1% + 0.05 sec.) |
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Charge-Low, current,A |
0 - 3.500, or Auto |
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GROUND BOND |
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Output Current, AC |
3.00 - 30.00 |
0.01 |
±(2% of reading + 2 counts) |
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Output Voltage, AC |
3.00 - 8.00 |
0.01 |
±(2% of reading + 3 counts) |
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Output Frequency, Hz |
50 or 60, ∮100 ppm |
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SETTINGS |
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Lead Resistance Offset, m |
200 |
1 |
±(1% of setting + 2 m |
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Hi Limit, resistance, m |
0 - 600 |
1 |
±(2% of setting + 2 m |
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Dwell Time, second |
0.5 - 999.9 |
0.1 |
±(0.1% + 0.05 sec.) |
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MEASUREMENT |
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Voltage, KV |
0.00 - 6.00 |
0.01 |
±(2% of reading + 1 count) |
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AC Current, mA |
0.000 - 3.500
3.00 - 40.00 |
0.001
0.01 |
±(2% of reading + 3 counts) |
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DC Current,A |
0 - 350.0
300 - 3500
3000 - 9990 |
0.1
1
10 |
±(2% of reading + 3 counts) |
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DC Voltage, V(Insulation) |
0 - 1000 |
1 |
±(2% of reading + 2 counts) |
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Resistance,M |
1 - 9999 Autorange |
- |
±(2% of setting + 2counts)
@500-1000VDC/1-1000M |
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±(8% of setting + 2counts)
@100-1000VDC/1-9999M |
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GENERAL |
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Memory |
50 sets, 8 steps per memory |
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PLC Remote Control |
Test, Reset, Recall memory 1, 2, 3 functions |
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PLC Signal Output |
Pass, Fail, Processing |
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External Scanner Port |
Two, for connecting to 7002 scanners |
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Internal Scanner |
Optional, 8 channels, factory installed |
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LCD Display |
20 x 2 LCD with back light, 9 ranges contrast setting |
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Key Lock |
Front panel or 4-digit password |
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Pass/Fail Indicator |
Lighted button and settable audible alarm |
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Calibration |
Build-in software and external calibrated meters |
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Interface |
RS232 standard, GPIB and Printer port optional |
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Dimension / Net Weight |
EIA 3U /430(W) x 133(H) x 500(D) mm / 22 Kg. |
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Input Voltage, AC |
115/230 V±15%, 47 - 63 Hz |
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Environment |
0 - 40, RH 0 - 85% |
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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
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