| Models | HT-20KVPac | HT10000PAC | HT-10kac-500mA | HT-5000PAC-200mA | HT-3000PAC-1A | HT-2000PR | HT-2000S | HT-2000P |
| Voltage Test Type | AC | AC | AC | AC | AC | AC | AC/DC | AC/DC |
| Maximum Output Voltage | 0 - 20,000 Vac | 0 - 10,000VAC | 0-10kV AC into High Voltage jack/receptacle with 4 foot lead and alligator clip. | 5000V | 3000V | 2000V/2800V | 2000VAC/2800VDC | 2000VAC/2800VDC |
| Maximum Leakage Current | 5mA from 0 to 20,000V | 0 - 8000V=10mA, 10000V=8mA | User adjustable by front panel knob 25-500 mA | 5.0mA to 200mA in 1mA steps | 1000mA | 20mA/5mA | 20mA/5mA | 20mA/5mA |
| Input Voltage | 120 V *optional different line voltages available (100V, 110V, 220V, 230V, 240V) | 120 V *optional different line voltages available (100V, 110V, 220V, 230V, 240V) | 230V | 120VAC | 240VAC | 120VAC | 120VAC | 120VAC |
| Frequency | 50/60 Hz | 60Hz | 50/60Hz | 60Hz | 60Hz | 60Hz | 60Hz | 60Hz |
| Fuse | 120/230 VAC 2A/1A Slow Blow | 120/230 VAC 2 A Slow Blow | 30A | 120/230 VAC 2A/1A Slow Blow | - | 120/230 VAC 2 A Slow Blow | 120/230 VAC 2 A Slow Blow | 250 VAC 2 A Slow Blow |
| Breakdown Detect | Independent High Frequency Circuit | Independent High Frequency Circuit | - | Independent High Frequency Circuit(50KHz-500KHz) | Independent High Frequency CircuitLow sensitivity spark with high energy detected to prevent damage. | Independent High Frequency Circuit(50KHz-500KHz) | Independent High Frequency Circuit(50KHz-500KHz) | Independent High Frequency Circui |
| Transformer Power | < 500 VAC | < 500 VAC | - | >500VA | >500VA | >500VA | >500VA | < 500 VAC |
| Leakage Current Detect | Independent Low Frequency Circuit | Independent Low Frequency Circuit | 500 mA maximum (continuous duty) | Independent Low Frequency Circuit | Independent Low Frequency Circuit | Independent Low Frequency Circuit | Independent Low Frequency Circuit | Independent Low Frequency Circuit |
| Ramp Time Range | 1 - 5 seconds | 1 - 5 Seconds | Manual ramp only. | - | - | 1 - 5 Seconds | 1 - 5 Seconds | 1 - 5 Seconds |
| Test Time Range | 1 - 60 seconds | 1 - 60 seconds | User adjustable 1-60 sec. or defeat (desired voltage delivered while TEST button is pressed). Continuous on is optional (Option 00-RF). | 1 - 60 seconds | 1-60 seconds or defeat (desired voltage delivered while TEST button is pressed). Continuous on is optional (Option 00-RF). | 1 - 60 seconds | 1 - 60 seconds | 1 - 60 seconds |
| Discharge Timer | <7ms | - | Voltage dependent; discharge progress displayed on front panel meter. | <7ms | - | <7mS For AC<1.35 For MAX DC at open circuit | <7mS For AC<1.35 For MAX DC at open circuit | <7mS For AC<1.35 For MAX DC at open circuit |
| Display | 4 Digits LED Display | 4 Digits LED Display | 4 Digits LED Display | 4 Digits LED Display | 4 Digits LED Display | 4 Digits LED Display | 4 Digits LED Display | 4 Digits LED Display |
| Voltage Meter Accuracy | ± 0.1KV Full Scale | ± 2 % | ± 3% 500 - 10000V, Current ±4% 5mA-500mA | ± 2 % from 500Vto 5000V | ± 2 % +/-1 count | ± 2 % | ± 2 % | ± 2 % from 500-2000 volts AC± 2 % from 500-2800 volts DC |
| Leakage Current Accuracy | ± 0.1mA Full Scale | ± 0.1 mA Full Scale | - | ± 0.1 mA Full Scale | ± 2 % +/-1 count | ± 0.1 mA Full Scale | ± 0.1 mA Full Scale | ± 0.1 mA from 1 – 17mA AC± 0.1 mA from 1 – 5mA DC± 0.2 mA from 17 – 20mA AC |
| Duty Cycle | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Operation Temperature | 15-40 °C | 15-40 °C | 15-40˚C | 15-40˚C | 15-40˚C | 15-40˚C | 15-40˚C | 15-40˚C |
| Relative Humidity Range | 0-90 % Non-Condensing | 0-90 % Non-Condensing | 0-90% non-condensing | 0-90% non-condensing | 0-90 % Non-Condensing | 0-90 % Non-Condensing | 0-90 % Non-Condensing | 0-90 % Non-Condensing |