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 MIT520/2 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.


   MEGGER MIT520/2   Description / Specification:    
MEGGER MIT520/2 5 kV Insulation Resistance Tester

The Megger MIT 520/2 insulation resistance tester is designed specifically to assist with the testing and maintenance of high voltage electrical equipment. It has a large easy to read backlit LCD display making it equally suitable for use in both bright sunlight and poorly lit environments. Information displayed includes resistance, voltage, leakage current, capacitance, battery status and time constant. In addition, the elapsed time of the test is displayed constantly, removing the need for separate timers. Adjustable timers and limit alarms are included.

Voltage input range: 85-265 V rms, 50/60 Hz, 60 VA.
Test voltages: 50 V to 1 kV in 10 V steps, 1 kV to 5 kV in 25 V steps.
Accuracy from 1 MΩ @ 5000V: ±5% to 1 TΩ, ±20% to 10 TΩ.
Guard: 2% error guarding 500 kΩ leakage with 100 MΩ load.
Short circuit/charge current: 3 mA @ 5 kV.
Capacitor charge time: <3 seconds per μF at 3mA to 5 kV.
Capacitor discharge time: <120ms per μF to discharge from 5000 V to 50 V.
Capacitance measurement (above 500 V): 10 nF to 50 μF (dependent on measurement voltage).
Capacitance measurement accuracy (23 °C): ±5% ±5 nF.
Voltage output accuracy (0 °C to 30 °C): +4%, -0%, ±10 V of nominal test voltage at 1 GΩ load.
Current measurement range: 0.01 nA to 5 mA.
Current measurement accuracy (23 °C): ±5% ±0.2 nA at all voltages.
Default voltmeter range: 50-600 V ac or dc Accuracy (23 ºC) + or -2% + or -1 V.
Interference rejection: 1 mA per 250 V up to a maximum of 2 mA.


Standard Calibration $240.00 *
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*This is a Web introductory price for one calibration of the MEGGER MIT520/2. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.

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

Clipping is the limiting of a signal so that it never exceeds some threshold.

Line Regulation
Line regulation is the capability to maintain a constant output voltage level on the output channel of a power supply despite changes to the input voltage level.

Peak Envelope Power
Peak envelope power is the maximum value of the envelope power. Envelope power is measured by making the averaging time much less than 1/fm where fm is the maximum frequency component of the modulation waveform. The averaging time is therefore limited on both ends: (1) it must be small compared to the period of the highest modulation frequency, and (2) it must be large enough to be many RF cycles long.

RMS or root mean square is a statistical measure of the magnitude of a varying quantity

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