| 全范围电压输出的稳压率在1%以内 | model | 7410 | 7420 | 7430 | 7440 | | ac withstand voltage | | output rating | 5kvac/30ma | 5kvac/30ma | 5kvac/40ma | 5kvac/40ma | | | range | resolution | accuracy | | output voltage,acv | 0 - 5000 | 1 | ±（2% of setting + 5v） | | output frequency | 50hz/60hz ±100ppm, user selection | | output waveform | sine 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, ma | 0-30.00 | 0-30.00 | 0-40.00 | 0-40.00 | | resolution : 0.01, accuracy : ±（2% of setting + 3counts） | | lo-limit ac current, ma | range : 0 - 9.999 | | resolution : 0.001, accuracy : ±（2% of setting + 3counts） | | ramp time, second | 0.1 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | | dwell time, second | 0, 0.3 - 999.9
(0=continuous) | 0.1 | | arc detection | 1 - 9 ranges (9 is the most sensitivity) | | ac current offset, ma | 0 - 2.000 or auto set | | dc withstand voltage | | output rating | 6kvdc/9999µa | | output voltage, dcv | 0 - 6000 | 1 | ±（2% of setting + 5v） | | output ripple | <5%（6kv/9999µa at resistive load） | | settings | | hi-limit dc current, µa | 0 - 9999 | 1 | ±（2% of setting + 3counts） | | lo-limit dc current, µa | 0 - 999.9 | 0.1 | ±（2% of setting + 3counts） | | ramp time, second | 0.1 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | | dwell time, second | 0, 0.4 - 999.9
(0=continuous) | 0.1 | | arc detection | 1 - 9 ranges (9 is the most sensitivity) | | dc current offset, ?a | 0 - 200.0 or auto set | | ramp high current | on/off, user selection | | charge - low current, µa | 0 - 350.0 or auto set | | discharge time | ≦ 200 msec | | insulation resistance | | output rating | 1kvdc/9999mω | | output voltage, dcv | 100 - 1000 | 1 | ±（2% of setting + 3v） | | hi-limit resistance, mω | 0, 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 mω | | lo-limit resistance, mω | 1 - 9999 | 1 | | delay time, second | 0, 0.5 - 999.9
(0=continuous) | 0.1 | ±（0.1% + 0.05sec） | | charge - low current, µa | 0 - 3.500 or auto set | | ground bond (7440 only) | | output rating | 30a/600mω, 8v | | output ac current, a | 3.00 - 30.00 | 0.01 | ± (2% of setting +3 counts) | | output ac voltage, v | 3.00 - 8.00 | 0.01 | ± (2% of setting +3 counts) at open circuit | | output frequency | 50hz/60hz ±100ppm, user selection | | settings | | hi-limit resistance, mω | 0 - 150 (3 - 30a) | 1 | ± (2% of setting +2 counts) | | lo-limit resistance, mω | 0 - 600 (3 - 10a) | | lead resistance offset, mω | 0 -200 | 1 | ± (2% of setting +2 counts) | | dwell time, second | 0, 0.5 - 999.9 sec (0=continuous) | 0.1 | ±（0.1% + 0.05sec） | | measurement | | ac/dc voltage, kv | 0 - 6.00 | 0.01 | ±（1.5% of reading + 1count） | | dc voltage, v (ir) | 100 - 1000 | 1 | ±（1.5% of reading + 3v） | | ac current range, ma | 0-3.500 | 0-3.500 | 0-3.500 | 0-3.500 | 3.00-30.00 | 3.00-30.00 | 3.00-40.00 | 3.00-40.00 | | ac current resolution, ma | 0.001/0.01 | | ac current accuracy, ma | ± (2% of reading + 3counts) | | dc current range, µa | 0-350.0 | 0.1 | ± (2% of reading + 3counts) | 300 - 3500 | 1 | 3000-9999 | 10 | | ac current, a (gb) | 0 - 35.00 | 0.01 | ±（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 mω | | resistance, , mω (gb) | 0 - 600 | 1 | ±（2% of reading+2counts） | | general | | input voltage ac | 115/230vac±15%, 50/60hz ± 5%, fuse 5a slow for 7410/7412 model, 6.3a slow for 7420/7430/7440 model | | plc remote control | input : test , reset , memory1.2.3 | | output : pass , fail , processing | | memory | 50 memories, 8 steps/memory | | display | 20×2 lcd with back light | | key lock | to prevent unauthorized alteration of the test parameters | | calibration | build-in software and external calibrated meters | | alarm volume setting | range: 0-9 ;0=off, 1 is softest volume, 9 is loudest volume. | | rear panel output | yes | yes | yes | yes | | built-in scanner | - | 8channels | option | option | | external scanner | yes | yes | yes | yes | | smart gfi | yes | yes | yes | yes | | analog meter | - | - | yes | yes | | rs232 interface | option | option | yes | yes | | gpib interface | option | option | option | option | | printer interface | option | option | option | option | | tuv-gs listed | - | - | yes | yes | | ce compliance | - | - | yes | yes | | environment | 0-40℃, 20-80%rh | | dimension (w×h×d) | 430×133×300 (mm) | 430×133×500( mm) | 430×133×500(mm) | | net weight | 12kg | 18kg | 22kg | | 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 | | hipot return lead ,1.8m(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. |
|
