Description
The AEMC Model 6503 megohmmeter 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, 250 V, 500 V and 1000 V, for insulation resistance testing. Test voltages are generated in full across the entire measurement range. A 600 V test voltage range is provided to perform safety checks to confirm that the sample is fully discharged and not connected to an energized circuit.
The AEMC Model 6503 megohmmeter has a unique auto-ranging feature which expands the scale ten times. When the pointer reaches near the end of scale, the auto-ranging feature activates, returning the pointer to the beginning of the scale with the x10 red LED indicator on. Insulation resistance is indicated with a rugged taut-band meter movement on a logarithmic scale. The indicator scale is large and easy-to-read, and has a direct reading on all ranges. A green LED on the front panel illuminates when the proper crank speed is attained, indicating the presence of the selected output.
Features
Test voltages of 250 V, 500 V and 1000 V
Insulation measurements to 200 MΩ and 5000 MΩ
LED indicates constant voltage output and proper crank speed
Automatic discharge when measurement is finished
Auto-ranging/dual scale operation for better sensitivity and easier readings
Extra rugged cast aluminum case; O-ring sealed against rain, water and dust; aluminum lid
Designed for harsh environments – marine, mining, heavy-duty field, industrial and military use
Compact self-contained package; folded crank
Voltage displayed prior to, during and at the end of test
Large direct-reading scale
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