MEGGER MJ559 CALIBRATION and MEGGER MJ559 REPAIR

 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the MEGGER MJ559 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

 

 
   MEGGER MJ559 (212559)   Description / Specification:    
MEGGER MJ559 100/250/500/1000 V Insulation Tester

The Megger MJ559 insulation tester is designed to give rapid, accurate and direct measurement of continuity and insulation resistance of domestic and industrial wiring, cables, transformers, motors, generators electrical machinery and appliances.
It is self-powered, and is suitable for use during installation and commissioning work as well as for service and maintenance applications.
Specifications.

Insulation Range.
Insulation Resistance: 0.1Ω - 2000 MΩ.
Nominal Test Voltages dc: 100 V, 250 V, 500 V, 1000 V.
Accuracy: 250 V, 500 V, 1000 V +30%, -0% maximum; 100 V, +40%, -0% maximum.
Midscale: 4 MΩ.
Short Circuit Current: 1.9 mA.
Accuracy: ±1.25% of fsd on a 2.8 in. (71.1mm) arc length: [0.035 in. (0.9mm)].

Resistance Range.
Range: 0.1Ω - 5000Ω.
Open circuit Test voltage: 3 V ±0.2 V.
Short Circuit Current: 2 mA ±10%.
Accuracy: ±1.25% of fsd on a 2.8 in. (71.1mm) arc length: [0.035 in. (0.9mm)].
Maximum Load Capacitance: 1μF with less than ±0.1” pointer movement.
Discharge: Up to 1μF capacitance is discharged from 1000V to less than 42.4 V in less than 4 seconds.

Safety Voltage Check.
Voltage measurement: 0.1 V - 600 V ac; the meter is RMS calibrated and average responding.
Safety voltage indicator: Indicates the presence of dc voltages, scaling is not the same as the ac meter; true dc voltage equals scale reading divided by 2.22.
Accuracy: 2.5% of full scale.

Power Supply.
Dual operation 120 V 50/60 Hz mains (line) supply and rechargeable battery, Six Ni Cad cells.



 



Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Carrier Wave (CW)
Carrier Wave or Continuous Wave is a sinusoidal signal without modulation.

Harmonic
A harmonic of a wave is a component frequency of the signal that is an integer multiple of the fundamental frequency, i.e. if the fundamental frequency is f, the harmonics have frequencies 2f, 3f, 4f, . . . etc.

Noise Floor
Noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system.

Ripple
Ripple is the small unwanted residual periodic variation of the direct current (dc) output


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