Associated Research 3770 AC/DC Hipot and Insulation Tester
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Application
- The Associated Research 3770 performs Hipot testing to 5 kV AC and 6 kV DC. It measures insulation resistance up to 9999 MΩ and does AC, DC and Ground continuity testing.
Key features
- Manual 5 kV AC and 6 kV DC Hipot Tester
- Performs AC, DC, and Ground Continuity testing
- Measures Insulation Resistance to 9999 MΩ
- Benchtop, or controlled through enhanced PLC Remote Control
- For the new model, see: Associated Research 3870
| Input specifications | |
| Voltage | 115/130 VAC ± 10%, user selectable |
| Frequency | 50/60 Hz ± 5% |
| Fuse | 3.15 A, fast acting 250 VAC |
| Dielectric Withstand Test Mode | |
| Output Rating | 5000 V at 20 mA AC 6000 V at 7.5 mA DC |
| Maximum Limit, AC | Range: 0.00 - 20.00 mA Resolution: 0.01 mA Accuracy: ± (2% of setting + 2 counts) |
| Maximum Limit, DC | Range: 0 - 7500 μA Resolution: 1 μA Accuracy: ± (2% of setting + 2 counts) |
| Minimum Limit, AC | Range: 0.000 - 9.999 mA Resolution: 0.001 mA Accuracy: ± (2% of setting + 2 counts) |
| Minimum Limit, DC | Range: 0.0 - 999.9 μA Resolution: 0.1 μA Accuracy: ± (2% of setting + 2 counts) |
| Arc Detection | Range: 0 - 9, 0 disabled |
| Ground Fault Interrupt | GFI Trip Current: 450 μA max (AC or DC) HV Shut Down Speed: < 1ms |
| Current Display, AC | Range 1: 0.000 - 3.500 mA Range 2: 3.00 - 20.00 mA Accuracy - All Ranges ± (2% of reading + 2 counts) |
| Current Display, DC | Range 1: 0.0 μA - 350.0 μA Range 2: 0.300 mA - 3.500 mA Range 3: 3.00 mA - 7.50 mA Accuracy - All Ranges ± (2% of reading + 2 counts) |
| DC Output Ripple | ≤ 5% Ripple RMS at 6 KV DC at 7.5 mA, Resistive Load |
| Discharge Time | ≤ 200 ms |
| Maximum capacitive load | 0.20 μF < 1 kV 0.10 μF < 2 kV 0.06 μF < 3 kV 0.050 μF < 4 kV 0.040 μF < 5 kV 0.015 μF < 6 kV |
| AC Voltage Waveform | Sine Wave, Crest Factor = 1.3 - 1.5 |
| Output Frequency | Range: 50 or 60 Hz, User Selectable |
| Output Voltage Regulation | ± (1% of output + 5 V) from no load to full load and over input voltage range |
| Dwell Timer | Range: AC 0, 0.3 - 999.9 sec (0 = Constant), DC 0, 0.4 - 999.9 sec (0 = Constant) Accuracy: ± (0.1% of reading + 0.05 sec) |
| Ramp Timer | Range: Ramp-Up: 0.1 - 999.9 sec Ramp-Down: AC 0.0 - 999.9 sec, Ramp-Down: DC 1.0 - 999.9 sec (0=OFF) Accuracy: ± (0.1% of reading + 0.05 sec) |
| Ground Continuity Current | DC 0.1 A ± 0.01 A, fixed |
| Insulation Resistance Test Mode | |
| Voltage Setting | Range: 30 - 1000 VDC Accuracy: ± (2% of setting + 5 V) |
| Resistance Display | Range: 1 - 9.999 MΩ - Resolution: 0.001 MΩ Range: 10.00 - 99.99 MΩ - Resolution: 0.01 MΩ Range: 100.0 - 999.9 MΩ - Resolution: 0.1 MΩ Range: 1000 - 9999 MΩ - Resolution: 1 MΩ Accuracy: ± (2% of reading + 2 counts) at test voltage 500 - 1000 V and 1 - 999.9 MΩ Accuracy: ± (5% of reading + 2 counts) at test voltage 500 - 1000 V and 1000 - 9999 MΩ Accuracy: ± (8% of reading + 2 counts) at test voltage 30 - 500 V and 1 - 1000 MΩ |
| Maximum Limit | Range: 0, 1 - 9999 MΩ (0=OFF) Accuracy: Same as Resistance Display |
| Minimum Limit | Range: 1 - 9999 MΩ Accuracy: Same as Resistance Display |
| Ramp Timer | Range: Ramp-Up: 0.1 - 999.9 secRamp-Down: 1.0 - 999.9 sec (0=OFF) Resolution: 0.1 sec Accuracy: ± (0.1% of reading + 0.05 sec) |
| Delay Timer | Range: 0, 0.5 - 999.9 sec (0 = Constant) Resolution: 0.1 sec Accuracy: ± (0.1% of reading + 0.05 sec) |
| Ground Fault Interrupt | GFI Trip Current: 450 μA max HV Shut Down Speed: < 1 ms |
| General Specifications | |
| Memory | 10 Memories, 3 steps per memory |
| Interface | RS-232 Interface standard for entry-level automation |
| Mechanical | Bench or rack Mount with tilt up feet |
| Dimensions | (W x H x D) 8.46 x 3.5 x 14.57 in., (215 x 89 x 370 mm) |
| Weight | 20.96 lbs (9.53 kgs) |
| For detailed specifications please see: Associated Research 3770 Data Sheet | |