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Amprobe AMB-45 Digital Megohmmeter
The Amprobe AMB-45 Digital Megohmmeter and Insulation Resistance Meter is an industrial-grade testing instrument designed to evaluate the insulation integrity of wires, cables, transformers, and electrical motors. Featuring selectable test voltages up to 1000 V and a programmable timer for Dielectric Absorption Ratio (DAR) testing, it provides critical diagnostics for predictive maintenance and troubleshooting.
Equipped with internal memory capable of logging up to 4,000 records, this tester allows technicians to capture and store data for trend analysis. The included PC software and RS-232 interface facilitate data downloading for comprehensive reporting. A sensitive ohmmeter function enables precise checking of motor winding resistance, while the large 70 x 46 mm LCD incorporates a 60-segment analog bar graph for visual tracking of fluctuating measurements.
Key Features
- Selectable insulation test voltages up to 1000 V
- Programmable timer for advanced Dielectric Absorption Ratio (DAR) testing
- Dedicated sensitive ohmmeter for analyzing motor winding resistance
- Data logging capabilities with a 4,000-record internal memory
- Large LCD display with a 60-segment analog bar graph and over-range (OL) indication
- Built-in voltmeter and continuity testing functions
- Auto power-off after 30 minutes to preserve battery life
Technical Specifications
| Test Voltages | Up to 1000 V |
|---|---|
| Measurement Functions | AC V, DC V, Low Ohms, Continuity, MΩ |
| Display | 70 x 46 mm LCD with 60-segment bar graph |
| Sampling Rate (Digital) | 2.5 times per second |
| Sampling Rate (Bar Graph) | 10 times per second |
| Data Logging Capacity | 4,000 records |
| Safety Rating | CAT III 600V |
| PC Interface | RS-232 |
| Unit Dimensions | 9.0 in x 4.6 in x 2.4 in |
| Unit Weight | 1.65 lbs |
Package Contents
- Amprobe AMB-45 Digital Megohmmeter
- Test Leads
- Large Alligator Clips
- PC Software
- RS-232 Cable
- 8x 1.5V AA Batteries
- Instruction Manual
- Carrying Case
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