Amprobe AMB-50 Industrial High-Voltage Insulation Tester
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Amprobe AMB 50
The Amprobe AMB-50 High-Voltage Insulation Tester is equipped with essential features for professional insulation diagnostics. It includes the ability to calculate PI (Polarization Index) and DAR (Dielectric Absorption Ratio) parameters. Additionally, the PASS/FAIL comparison function enhances testing efficiency and productivity.
The readings are shown clearly on a large, backlit LCD display. The instrument also includes Windows-compatible PC software and a USB communication port, allowing for easy connection to a PC and efficient management of recorded test data.
Amprobe AMB-50 Key Features
- Test insulation of wires, cables, transformers, motors, surge arrestors and generators
- Selectable testing voltages – one testing instrument for low and high voltage systems from 500/1000/2500 and 5000 V
- Insulation resistance measurement up to 1T Ω
- User selectable programmable timer (10s to 30 min)
- Automatic discharge of test object after completion of measurement
- Diagnostic tools
- Polarization index (PI)
- Dielectric absorption ratio (DAR)
- Comparison feature to set pass/fail thresholds for quick measurement and verification
- Dual power source – receptacle or batteries
- Built in internal memory storing 18 measurements
specifications
| Feature | Details |
| Insulation Resistance @ 500V | 0.5 MΩ – 20GΩ |
| Insulation Resistance @ 1000V | 2 MΩ – 40GΩ |
| Insulation Resistance @ 2500V | 5MΩ – 100GΩ |
| Insulation Resistance @ 5000V | 100 MΩ – 1000GΩ |
| Open Circuit Voltage | DC 500V 0%+20%, DC 1000V 0%+20%, DC 2500V 0%+20%, DC 5000V 0%+20% |
| Test Current | 1mA1.2mA @ 500kΩ, 1mA1.2mA @ 1MΩ, 1mA1.2mA @ 2.5MΩ, 1mA1.2mA @ 5MΩ |
| Accuracy (500V) | 0.50M ~99.9M : (3%+5), 100M ~9.99G : (5%+5), 10.0G ~20.0G : (10%+5) |
| Accuracy (1000V) | 2.0M ~99.9M : (3%+5), 100M ~9.99G : (5%+5), 10.0G ~40.0G : (10%+5) |
| Accuracy (2500V) | 5.0M ~99.9M : (3%+5), 100M ~9.99G : (5%+5), 10.0G ~100G : (10%+5) |
| Accuracy (5000V) | 10.0M ~29.9M : (For reference only), 30.0M ~99.9M : (3%+5), 100M ~9.99G : (5%+5), 10.0G ~99.9G : (10%+5), Above 100G : [ (20%+5) Humidity |
| 50%] | |
| Voltage Range | DC ±30 ~ ±600V |
| Voltage Resolution | 1V |
| Voltage Accuracy | (±2%+5) for DC, AC 30V600V (50/60Hz) ±(2%+5), 30100V (50/60Hz) ±(2%+8) |
| Dimensions | 220(L) X 155(W) X 94(H) mm (7.95 X 6.1 X 3.7 inch) |
| Weight | Approx. 2kg (4.4 Lbs) (including battery) |
| Display (LCD) | 9999 counts with an analog bar graph |
| Operating Temperature | 0°C ~ 40°C (32°F ~ 104°F) |
| Storage Temperature | -20°C ~ 60°C (-4°F ~ 152°F) |
| Relative Humidity (Operating) | 85% |
| Relative Humidity (Storage) | 90% |
| Battery Type | 8pcs X 1.5V (LR14) batteries or power adaptor |
| Power Adaptor | Input voltage 120V, 60Hz, 75mA, input DC14V, 1.0A |
| Storage Environment | -20°C to 60°C, 0 to 70% RH with battery removed |
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