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The Extech 380320 Analog High Voltage Megohmmeter features three Insulation test ranges with a live circuit indicator, as well as low resistance and AC voltage measurements. The Power Lock On feature allows hands-free operation. Specifications. Resistance Range 3 ohm: 0.05 ohm Resolution, +3% Accuracy. Resistance Range 500 ohm: 1 ohm Resolution, +3% Accuracy. AC Voltage Range 600 VAC: 20 V Resolution, +5% Accuracy. Megohmmeter Range 100 M-ohm / 250 VDC Accuracy: ±5% (0.2 M-ohm to 5 M-ohm), ±10% (5 M-ohm to 100 M-ohm). Megohmmeter Range 200 M-ohm / 500 VDC Accuracy: ±5% (0.5 M-ohm to 10 M-ohm), ±10% (10 M-ohm to 200 M-ohm). Megohmmeter Range 400 M-ohm / 1000 VDC Accuracy: ±5% (1 M-ohm to 20 M-ohm), ±10% (20 M-ohm to 400 M-ohm). Display: Multiband analog display with zero adjust. Live Circuit Indicator: LED lights when live circuit is sensed.
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