The Megohmmeter Model 6501 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. In addition to insulation resistance testing at 500V, the Model 6501 also permits resistance testing to 500kΩ and continuity testing to 100Ω. The 600V test voltage range is to perform safety checks to confirm that the sample is fully discharged and not connected to an energized circuit.
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
500V: 0.5 to 5.5MΩ; 5.5 to 200MΩ
Measurement Accuracy
2.5% of scale
Short Circuit Current
5mA (max)
Auto Discharge
5s/µF
Continuity Measurement
Ranges
0 to 9Ω, 10 to 100Ω
Test Voltage
5mA constant, 10V max
Accuracy
2.5% of scale
Resistance Measurement
Range
0 to 45kΩ; 45 to 500kΩ
Test Current
1mA DC
Accuracy
2.5% of scale
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
