UEi Test Instruments IRT20 Insulation Resistance Tester
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<b>[Product Information]</b><br>
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<li>1000, 500 and 250 volt output ranges</li>
<li>Sealed, water-resistant rugged metal housing</li>
<li>Damping time exceeds 4 seconds</li>
<li>Hand-crank power-supply</li>
<li>Accurate to within one division</li>
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