Associated Research 3770 AC/DC Hipot and Insulation Tester

Associated Research 3770 AC/DC Hipot and Insulation Tester
  • Features & specifications

  • Manual 5kV AC and 6kV DC Hipot Tester
  • Measures Insulation Resistance to 9999 MΩ
  • Continuity test capability for compliance with international standards
  • Benchtop, or controlled through enhanced PLC Remote Control
  • Simplified interface with the latest in technology and safety features
  • Input: 115/230 volts selectable
  • Frequency: 50 to 60 Hz
  • Output ratings: 0 to 5kV AC at 20mA, and 0 to 6kV DC at 7.5mA
  • Resolution 1μA
  • The perfect solution for entry level AC/DC Hipot testing applications

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 sec
Ramp-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
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)
Interface RS-232 Interface standard for entry-level automation
Memory 10 Memories, 3 steps per memory