7470系列之7472 耐壓測試儀 產(chǎn)品介紹
交流或直流輸出高達(dá)20KV，具有多種功能及安全特性，內(nèi)建50組程序記憶，記憶組間可進(jìn)行鏈接測試，適用于電纜、電線、馬達(dá)、高壓泵浦、高壓絕緣材料及高壓組件等測試。
7472 耐壓測試儀 產(chǎn)品特點(diǎn)
直流耐壓測試具有
Discharge 直流高壓快速放電裝置，避免被測物上殘余電壓，造成人員觸電危險(xiǎn)
Smart GFI 智慧防高壓觸電線路 (169000)，隨時(shí)偵測回路，杜絕觸電傷害，保障人員安全
Ramp High 緩升上限功能 (100859) ，縮短緩升時(shí)間，節(jié)省測試時(shí)間，提高測試效率
Charge Low 充電下限功能 (106128) ，可偵測回路是否斷線，提高測試可靠度
鍵盤鎖定 (Key Lock) 功能，保護(hù)記憶組數(shù)據(jù)，避免誤觸按鍵所造成的危害
提供GPIB 或 USB & RS232 接口，可執(zhí)行自動(dòng)化測試，提升測試效率
中國臺(tái)灣華儀 7470 20KVA耐壓測試儀 技術(shù)規(guī)格
| SPECIFICATIONS | ||||
| MODEL | 7470 | 7472 | 7473 | 7474 |
| Output Rating | 10KVAC/20mA | 12KVDC/10mA | 20KVAC/10mA | 20KVDC/5mA |
| AC WITHSTAND VOLTAGE (7470&7473) | ||||
| Range | Resolution | Accuracy | ||
| Output Voltage, ACV (for 7473) | 0 - 20000 | 10 | ±（2% of setting + 20V） | |
| Output Voltage, ACV (for 7470) | 0 - 10000 | 10 | ±（2% of setting + 10V） | |
| 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 + 10V), From no load to full load | |||
| SETTINGS | ||||
| Hi / Lo -Limit AC Current, mA (for 7473) | 0 - 9.999 | 0.001 | ±（2% of setting + 2counts） | |
| Hi / Lo -Limit AC Current, mA (for 7470) | 0 - 9.999/10.00 - 20.00 | 0.001/0.01 | ±（2% of setting + 2counts） | |
| Ramp Up Time, second | 0.3 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | |
| Ramp Down Time, second | 0.0 - 999.9 | 0.1 | ||
| Dwell Time | 0, 0.3 - 999.9 sec (0=continuous) | 0.1 | ||
| 0, 0.1 - 999.9 min (0=continuous) | 0.1 | |||
| 0, 0.1 - 999.9 hr (0=continuous) | 0.1 | |||
| Cycle Test | 0 - 9999 Times, (0=continuous) | |||
| Arc Detection | Range 1 - 7 > 15kV , Range 1 - 9 < 15kV | |||
| AC Current Offset, mA | 0 - 2.000 or Auto Set ( Option ) | |||
| MEASUREMENT | ||||
| AC Voltage, KV (for 7473) | 0 - 20.00 | 0.01 | ±（2% of reading + 2counts） | |
| AC Voltage, KV (for 7470) | 0 - 10.00 | 0.01 | ±（2% of reading + 2counts） | |
| AC Current Range, mA | 0-3.500 | 0.001 | ±（2% of reading + 3counts） | |
| 3.00-10.00 (for 7473) | 0.01 | |||
| 3.00-20.00 (for 7470) | 0.01 | |||
| DC WITHSTAND VOLTAGE (7472&7474) | ||||
| Output Voltage, DCV (for 7474) | 0 - 20000 | 10 | ±（2% of setting + 20V） | |
| Output Voltage, DCV (for 7472) | 0 - 12000 | 10 | ±（2% of setting + 10V） | |
| Output Ripple | <5%（在20KV/5000μA for 7474, 12KV/9999μA at Resistive Load for 7472） | |||
| SETTINGS | ||||
| Hi / Lo -Limit DC Current, μA (for 7474) | 0.0 - 999.9/1000 - 5000 | 0.1/1 | ±（2% of setting + 2counts） | |
| Hi / Lo -Limit DC Current, μA (for 7472) | 0.0 - 999.9/1000 - 9999 | 0.1/1 | ±（2% of setting + 2counts） | |
| Ramp Up Time, second | 0.4 - 999.9 | 0.1 | ±（0.1% + 0.05sec） | |
| Ramp Down Time, second | 0.0,1.0 - 999.9 | 0.1 | ||
| Dwell Time | 0, 0.4 - 999.9 sec (0=continuous) | 0.1 | ||
| 0, 0.1 - 999.9 min (0=continuous) | 0.1 | |||
| 0, 0.1 - 999.9 hr (0=continuous) | 0.1 | |||
| Cycle Test | 0 - 9999 Times, (0=continuous) | |||
| Arc Detection | Range 1 - 9 (9 is the most sensitivity) | |||
| DC Current Offset, μA | 0.0 - 200.0 or Auto Set (Option ) | |||
| Ramp High Current | ON/OFF, User Selection | |||
| Charge - Low Current, μA | 0.0 - 350.0 or Auto Set | |||
| Discharge Time | < 200 msec | |||
| Maximum Capacitive Load | 1.5μF < 2KV 0.15μF < 8KV 0.12μF < 14KV 0.08μF < 20KV | |||
| 0.28μF < 4KV 0.15μF < 10KV 0.1μF < 16KV | ||||
| 0.18μF < 6KV 0.12μF < 12KV 0.08μF < 18KV | ||||
| MEASUREMENT | ||||
| DC Voltage, KV (for 7474) | 0 - 20.00 | 0.01 | ±（1.5% of reading + 2count） | |
| DC Voltage, KV (for 7472) | 0 - 10.00 | 0.01 | ±（1.5% of reading + 2count） | |
| DC Current Range, μA | 0-350.0 | 0.1 | ± (2% of reading + 3counts) | |
| 300-3500 | 1 | |||
| 3000 - 5000 (for 7474) 3000-9999 (for 7472) | 10 | |||
| GENERAL | ||||
| Input Voltage AC | 115/230VAC ± 15% , 50/60Hz ± 5% Fuse: 6.3A Slow | |||
| PLC Remote Control | Input : Test , Reset , Memory1.2.3 ,Interlock | |||
| Output : Pass , Fail , Processing | ||||
| Safety | Smart-GFI Function (<1mA) | |||
| Memory | 50 memories | |||
| 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 | |||
| Interface | RS232/GPIB /Printer Card (Option) | |||
| Alarm Volume Setting | 10 ranges set by the numeric keys on the front panel | |||
| Environment | 0-40℃, 20-80%RH | |||
| Dimension | 430mm(W)×133mm(H)×400mm(D) | |||
| Net Weight | 24Kg | 24Kg | 22.5Kg | 23Kg |
| STANDARD ACCESSORIES | ||||
| Power Cord (10A) | ×1 | |||
| Fuses | ×2 (Including a spare contained in the fuse holder) | |||
| Interlock Disable Key (1505) | ×1 | |||
| Hipot Test Lead ,1.5m (1142) | - | - | ×1 | ×1 |
| Hipot Test Lead ,1.5m (1143) | ×1 | ×1 | - | - |
| Hipot Return Lead ,1.8m (1144) | ×1 | ×1 | ×1 | ×1 |
