MEGGER MIT300 CALIBRATION and MEGGER MIT300 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 MIT300 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

 

 
   MEGGER MIT300   Description / Specification:    
MEGGER MIT300 250, 500 V Insulation Tester

The Megger MIT300 features the popular Megger digital/analogue display. Large 20mm high characters provide very clear readout, combined with an analogue arc for the feel of an analogue instrument, with a true analogue response.
Specifications

Insulation ranges
Nominal Test Voltage: 500 V, 250 V (d.c.).
Measuring Range: 10 kΩ - 999 MΩ on all ranges.
Short Circuit Current: 1.5 mA nominal.
Test Current on Load: 1 mA at min. pass values of insulation (as specified in BS7671, HD 384 and IEC 364).
Accuracy (at 20 °C): ±3%, ±2 digits up to 10 MΩ, ±5% up to 100 MΩ, ±30% up to full scale

Continuity ranges
Measuring Range: 0,01 Ω - 99,9 Ω (0 -50 Ω on analogue scale).
Open Circuit Voltage: 5 V ±1 V.
Short Circuit Current: 205 mA +10 mA -5 mA.
Accuracy (at 20 °C): ±3% ±2 digits.
Measuring range: 0 - 2/20/200/2 kΩ.
Open circuit voltage: 1.5 V +/-0.5 V.
Zero Offset Adjust: 0 - 9 Ω.
Continuity Buzzer: Operates at <5 Ω.

Default voltmeter all modes except off: Beeps and flash ‘V’ on the display.
Test inhibit: If more than 50 volts is detected, testing will be inhibited.



 



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

Crest Factor
Crest factor or peak-to-average ratio (PAR) is a measurement of a waveform, calculated from the peak amplitude of the waveform divided by the RMS value of the waveform

Linearity
Linearity is the relative difference between the displayed power ratio, Dx/D0, and the actual (true) power ratio Px/P0 caused by changing the displayed power level from the reference level, D0, to an arbitrary displayed level, Dx.

Phase Noise
Phase noise is the frequency domain representation of rapid, short-term, random fluctuations in the phase of a waveform, caused by time domain instabilities. Phase noise (L(f)) is typically expressed in units of dBc/Hz, representing the noise power relative to the carrier contained in a 1 Hz bandwidth centered at a certain offsets from the carrier.

Sensitivity
Sensitivity is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.


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