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 | 0.1 - 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 |
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) | 10 |
3000-9999 (for 7472) |
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 |