| SPECIFICATIONS | 
| MODEL | 7742 | 
| AC WITHSTAND VOLTAGE | 
|   | 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 and LO-Limit (Total), current, mA | 0.000-9.999 (0=OFF) | 0.001 | ± (2% of setting + 2 counts) | 
| 10.00-40.00 | 0.01 | 
| HI and LO-Limit (Real), current, mA | 0.000-9.999 | 0.001 | ± (3% of setting + 50μA) | 
| 10.00-40.00 | 0.01 | 
| Ramp-Up Timer, second | 0.1 - 999.9 | 0.1 | ± (0.1% + 0.05 sec) | 
| Ramp-Down Timer, second | 0.0-999.9 | 
| Dwell Timer, second | 0, 0.4 - 999.9(0=continuous)
 | 
| Ground Continuity | Current: DC 0.1 A ± 0.01A, fixed | 
| Max. Ground Resistance: 1 Ω ± 0.1Ω, fixed | 
| Arc Detection | 1 - 9 ranges (9 is the most sensitivity)  | 
| DC WITHSTAND VOLTAGE | 
| Output Voltage, DCV | 0 -5000 | 1 | ± (2% of setting + 5V) | 
| DC Output Ripple | <4 %(5KV/20mA at Resistive Load) | 
| SETTINGS | 
| HI and LO-Limit, current, μA | 0.0 - 999.9 | 0.1 | ± (2% of setting + 2 counts) | 
| 1000 - 20000  | 1 | 
| Ramp-Up Timer, second | 0.4 - 999.9 | 0.1 | ± (0.1% + 0.05 sec) | 
| Ramp-Down Timer, second | 0.0, 1.0-999.9 | 
| Dwell Timer, second | 0, 0.3 - 999.9(0=continuous)
 | 
| Ramp-HI, current  | >20 mA peak maximum, ON/OFF User Selection | 
| Charge-LO, current | 0.0 - 350.0 μA DC or Auto Set | 
| Discharge Time | < 200 msec | 
| Maximum Capacitive LoadDC Mode
 | 1μF < 1KV 0.08μF < 4KV | 
| 0.75μF < 2KV 0.04μF < 5KV | 
| 0.5μF < 3KV  | 
| Ground Continuity | Current: DC 0.1 A ± 0.01A, fixed | 
| Max. Ground Resistance: 1 Ω ± 0.1Ω, fixed | 
| Arc Detection | 1 - 9 ranges (9 is the most sensitivity)  | 
| INSULATION RESISTANCE | 
| Output Voltage, DCV | 50 - 1000 | 1 | ± (2% of setting + 2 counts) | 
| Charging Current | Maximum >20mApeak | 
| SETTINGS | 
| HI and LO-Limit, resistance, MΩ | 0.05 - 99.99(HI – Limit: 0 = OFF)
 | 0.01 | Same as Resistance MEASUREMENT Accuracy | 
| 100.0-999.9 | 0.1 | 
| 1000-50000 | 1 | ± (0.1% + 0.05 sec) | 
| Ramp-Up Timer, second | 0.1 – 999.9 | 0.1 | 
| Ramp-Down Timer, second | 0=OFF, 1.0-999.9 | 
| Delay Timer, second | 0, 1.0 - 999.9(0=continuous)
 | 
| Charge-LO, current, μA | 0.000 - 3.500 or Auto Set | 
| GROUND BOND | 
| Output AC Current, A(7742 ) | 1.00 – 40.00 | 0.01 | ± (2 % of setting + 2 counts) | 
| Output Voltage, Vac | 3.00 – 8.00 | 0.01 | ± (2 % of setting + 3 counts) | 
| Output Frequency, Hz | 50Hz/60Hz ±100ppm, User Selection | 
| Output Regulation | ± (1% of output + 0.02A), Within maximum load limits, and over input voltage range. | 
| Maximum Loading | 1.00–10.00A/0–600mΩ, 10.01–30.00A/0–200mΩ, 30.01–40.00A/0–150mΩ  | 
| SETTINGS | 
| Lead Resistance Offset, mΩ | 0-200 | 1 | 1.00-2.99A,± (3 % of setting + 3 counts )3.00 - 30A,± (2 % of setting + 2 counts )
 3.00 - 40A,± (2 % of setting + 2 counts )
 | 
| HI and LO-Limit Resistance, mΩ | 0 – 150 (30.01-40.00A) | 1 | 
| 0 – 200 (10.01-30.00A) | 
| 0 – 600 (1-10.00A) | 
| Dwell Timer, second | 0, 0.5 - 999.9(0 = continuous)
 | 0.1 | ± (0.1% + 0.05 sec) | 
| CONTINUITY TEST | 
| Output Current, DC | 0.1A ± 0.01A, fixed | 
| SETTINGS | 
| Lead Resistance Offset, Ω | 0.00-2.00 | 0.01 | ± (3% of setting+2 counts) | 
| HI and LO-Limit, Resistance, Ω | 0.00 – 10.00 (0=OFF) | 
| Dwell Timer, second | 0,0.3-999.9 | 0.1 | ± (0.1% + 0.05 sec) | 
| Opt.734 (0 - 10kΩ)  | 
| Output Current | DC 0.1A ± 0.01A,Max. | 
| SETTINGS | 
| Max-Lmt, Ω | 0.00 – 9.99  | 0.01 | ± (1% of setting+5 counts) | 
| 10.0 – 99.9  | 0.1 | ± (1% of setting+2 counts) | 
| 100 – 999  | 1 | 
| 1000 – 9999  | 1 | 
| Min-Lmt, Ω | 0.00 – 9.99  | 0.01 | ± (1% of setting+5 counts) | 
| 10.0 – 99.9  | 0.1 | ± (1% of setting+2 counts) | 
| 100 – 999  | 1 | 
| 1000 – 9999  | 1 | 
| Dwell Timer, second | 0.0, 0.3 – 999.9 (0 = continuous)
 | 0.1 | ± (0.1% + 0.05 sec) | 
| Resistance Offset, Ω | 0.00 – 2.00 | 0.01 | ± (1 % of reading + 5 counts) | 
| MEASUREMENT | 
|   | Range | Resolution | Accuracy | 
| Voltage, KV(AC/DC) | 0.00-5.00 | 0.01 | ± (1.5 % of reading +1 count) | 
| Voltage, Vdc (IR only) | 0-1000 | 1 | ± (1.5% of reading + 2 counts) | 
| AC Current (Total), mA | 0.000-3.500 | 0.001 | ± (2% of reading + 2 counts) | 
| 3.00-40.00 | 0.01 | 
| AC Current (Real), mA | 0.000-9.999 | 0.001 | ± (3% of reading + 50?A) | 
| 10.00-40.00 | 0.01 | All Ranges PF > 0.1 , V > 250VAC | 
| DC Current, μA | 0.0 - 350.0 | 0.1 | ± (2% of reading + 2 counts) | 
| DC Current, mA | 0.300 – 3.500 | 0.001 | 
| 3.00-20.00 | 0.01 | 
| AC Current, A (G.B for 7742 only) | 0.00-40.00 | 0.01 | ± (3 % of reading + 3 counts) | 
| Resistance, MΩ (IR) | 50-499V / 500-1000V |   | 50 – 499V0.05–999.9, ±(7% of reading+2 counts) | 
| 0.050-1.999 / 0.050-9.999 | 0.001 | 500 – 1000V | 
| 2.00-19.99 / 0.050-9.999 | 0.01 | 0.10–999.9, ±(2% of reading+2 counts) | 
| 20.0-199.9 / 100.0-999.9 | 0.1 | 1000–9999, ±(5% of reading+2 counts) | 
| 200-50000 / 1000-50000 | 1 | 10000–50000, ±(15% of reading+2 counts) | 
| Resistance, mΩ (GB) | 0-600 | 1 | 1.00 – 2.99 A, ± (3 % of reading + 3 counts) | 
| 3.00 – 40.00 A, ± (2 % of reading + 2 counts) | 
| Resistance, Ω (Continuity) | 0.00-10.00 | 0.01 | ± (3 % of reading + 2 counts) | 
| Resistance, Ω (Continuity) Opt.734  | 0.00 – 9.99  | 0.01 | ± (1% of reading+5 counts) | 
| 10.0 – 99.9  | 0.1 | ± (1% of reading+2 counts) | 
| 100 – 999  | 1 | 
| 1000 – 9999  | 1 | 
| GENERAL | 
| Input Voltage AC | 115/230Vac±15%, 50/60Hz ± 5%, Fuse 10A/250V Slow-Blow for 7742 Model | 
| PLC Remote Control | Input : Test, Reset, Interlock, Recall File 1 through 10 | 
| Output:- Pass, Fail, Test-in-Process | 
| Memory | 50 memories, 30 steps/memory | 
| Graphic Display | 320 x 240 Monographic LCD, 9 ranges contrast setting | 
| Safety | Built-in Smart GFI circuit,GFI trip current 450μA max, HV shut down speed: <1mS | 
| Interface | Standard RS232, Optional PrinterPort with Date and Time Stamp or GPIB (IEEE-488.2). | 
| Security | Programmable password lockout capability to avoid unauthorized access to test set-up program. | 
| Alarm Volume Setting | Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume. | 
| Calibration | Software and adjustments are made through the front panel. Automatic Calibration alert function to signal operator when re-calibration is due.  | 
| Environment | 0-40℃, 20-80%RH | 
| Dimensions/Net Weight | 430mm(W)×133mm(H)×500 mm(D)/30Kg for MODEL 7742
 | 
| 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(1101) | ×1  | 
| Ground Bond Test Lead 40A,1.6m(1137)
 | ×1  | 
| Ground Bond Return Lead 40A,1.6m(1138)
 | ×1  | 
| RS232 Link Cable 1.5m(1130) | ×1  | 
| MATRIX SCANNER MODULE (Opt.736 for 7742) | 
| High Voltage Rating | 5KVAC/5KVDC | 
| High Current Rating | 40 A | 
| Number of HV Channel | 8 | 
| Number of HA Channel | 8 | 
| RUN TEST MODULE (Opt.738,Opt.739 for 7742) | 
| MEASUREMENT  | 
|   | Range | Resolution | Accuracy | 
| Voltage, Vac | 00.-277.0 | 0.1 | ± (1.5% of reading +2counts), 30.0-277.0V | 
| Current, Aac | 0.00-15.00 | 0.01 | ± (2.0% of reading + 2counts) | 
| Power, Watts | 0-4200 | 1 | ± (5% of reading + 3 counts) | 
| Power, Factor | 0.000-1.000 | 0.001 | ± (8% of reading + 2 counts) | 
| Leakage Current, mA | 0.00-10.00 | 0.01 | ± (2% of reading + 2 counts) | 
| MD Circuit | Leakage Current measuring resistance = 2KΩ±1% | 
| Timer, second | 0.0-999.9 | 0.1 | ± (0.1% of reading + 0.05 sec) | 
| SETTINGS | 
| HI and LO Limit AC Voltage, V | 0.0-277.0 | 0.1 | ± (1.5% of setting + 0.2 V), 30.0-277V | 
| HI and LO Limit AC Current, A  | 0.00-15.00 | 0.01 | ± (2.0% of setting + 2 counts) | 
| HI and LO Limit AC Power, W  | 0 - 4200 | 1 | ± (5.0% of setting + 3 counts) | 
| HI and LO Limit Power Factor | 0.000-1.000 | 0.001 | ± (8% of setting + 2 counts) | 
| HI and LO Limit Leakage Current | 0.00-10.00, Hi-Limit 0=OFF | 0.01 | ± (2% of setting + 2 counts) | 
| Delay Time, second | 0.2-999.9 | 0.1 | ± (0.1% + 0.05 sec) | 
| Dwell Time, second | 0, 0.1-999.9 (0=continuous) | 
| Cold Resistance  | 0~10KΩ | 
| DUT POWER | 
| AC Voltage  | 0 - 277.0V, Single phase unblance, 0 - 15.0A maximum | 
| Power Rating  | 4200 W maximum | 
| DUT Protection | Short circuit current 23A, <3 sec, Inrush Current 68A Response time 1m sec | 
| STANDARD ACCESSORIES | 
| Power Cord(15A) | ×1  | 
| LLT Receptacle Adaptor Box20A ,1.6m(1905) | ×1  | 
| LINE LEAKAGE TEST MODULE (Opt.739 for 7742) | 
| CURRENT MEASUREMENT | 
| FrequencyRange | DC-1MHz | 
| LeakageCurrentRange (RMS) | Resolution | Accuracy (DC-100KHz) | Accuracy ( >100KHz to 1 MHz) | 
| 0.0μA - 999.9μA | 0.1μA | ±(1.5% of reading + 3counts) | ±(5% of reading + 5μA) | 
| 1000μA - 6000μA | 1μA | ±(1.5% of reading + 3counts) | 
| LeakageCurrentRange (Peak), Opt.739 Only | Resolution | Accuracy (DC-100KHz) | Accuracy ( >100KHz to 1 MHz) | 
| 0.0μA - 999.9μA | 0.1μA | ±(10% of reading + 2μA) | ±(10% of reading + 2μA) | 
| 1000μA - 6000μA | 1μA | 
| LINE VOLTAGE MEASUREMENT | 
| Range | 0.0-277.0 VAC | 
| Resolution | 0.1 V | 
| Accuracy | ± (1.5% of reading +0.2V), 30.0-277.0V | 
| DUT | 
| DUT Input Power Rating | 0-277V,AC@ 15Aac max | 
| DUT Protection | Short circuit current 23A, <3 sec, Inrush Current 68A Response time 1m sec | 
| SETTINGS | 
| High/Low Limit, μA | Range 0.0 - 6000μA(0=OFF) , Resolution 0.1μA | 
| Delay Time, second | Range 0, 1.0-999.9 (0=continuous), Resolution 0.1second | 
| Compliance Standards | A UL544 Non Patient, UL484, IEC60598, UL1363 | 
| B UL544 Patient Care | 
| C UL2601-1, IEC60601-1, EN60601-1 | 
| D UL1563 | 
| E UL60950, IEC60950, IEC61010-1, IEC60335-1, IEC60990 Fig4 U2 | 
| F IEC60990 Fig5 U3 | 
| G IEC60990 Fig3 U1 | 
| MD A - G components | Accuracy: Resistance ± 1% Capacitor ± 5% | 
| MD Voltage Limit | Maximum 30V peak or 30VDC | 
| STANDARD ACCESSORIES | 
| Hipot Return Lead ,1.8m(1102) | ×2 | 
| *product specifications are subject to change without notice. |