Portable megohmmeter 6503

The Megohmmeter Model 6503 is a compact, self-contained, hand-cranked True Megohmmeter®. This practical and dependable instrument is designed for a broad range of plant and field service applications, such as acceptance testing and preventive maintenance of wiring, cables, switchgear and motors. The easy hand-cranked operation provides a steady, DC voltage output across the entire range for consistently reliable readings. The Model 6503 has three test voltages for insulation resistance testing: 250V, 500V and 1000V. Test voltages are generated in full across the entire measurement range. AC Voltage Measurement Range - 0 to 600VAC Accuracy - ±3% of Scale Frequency Range - 45 to 450Hz Input Impedance - 100kΩ (approx) Insulation Measurement Test Voltage / Resistance Range - 250V: 1 to 11MΩ; 11 to 500MΩ 500V: 1 to 11MΩ; 11 to 500MΩ 1000V: 10 to 110MΩ; 110 to 5000MΩ Measurement Accuracy - 2.5% of Scale Length Short Circuit Current - 5mA (max) Auto Discharge - 8s/µF Features Power Supply - Hand-cranked, test voltage reached at approx 140rpm Dimensions - 4.7 x 4.4 x 5.3” (120 x 111 x 135mm) with lid Weight - 2.5 lb (1.1kg) Operating Temperature - 14° to +113°F (-10° to +45°C); 75% RH Storage Temperature - -4° to +176°F (-20° to +80°C); 90% IP Rating - IP 54 with lid; IP 52 without lid Safety Compliance - EN 61010-1, 600V CAT II, 300V CAT III, Pollution Degree 2