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The Amprobe AMB-45 1000V Digital Megohmmeter Insulation Resistance Tester tests insulation of wires, cables, transformers and motors. Features. Programmable timer to perform the Dielectric Absorption Ratio Test. Sensitive Ohmmeter for checking resistance of motor windings. Built in voltmeter. Internal memory to store measurements for future reference. Data download to PC. Specifications. Insulation resistance (250 VDC): 4.000, 40.00, 400.0, 4000M-ohm. Insulation resistance (500 VDC): 4.000, 40.00, 400.0, 4000M-ohm. Insulation resistance (1000 VDC): 4.000, 40.00, 400.0, 4000M-ohm. Insulation resistance accuracy: ± 3% Rdg ± 5 LSD < 1 G-ohm, ± 5% Rdg ± 5 LSD < 4 G-ohm. Low Resistance: 400.0, 4000 ohm. Resistance accuracy: 1% Rdg ± 2 LSD. Voltage AC/DC: 600.0V. Voltage accuracy: ± 1.5% Rdg ± 5 LSD
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