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.

• True Megohmmeter®
• Test voltages of 25V, 5V and 1V
• LED indicates constant voltage output and proper cranked speed
• Automatic discharge when measurement is finished
• Auto- Ranging ” dual scale operation for better sensitivity and easier readings
• Compact self-contained package; folded crank
• Large direct reading scale