MEGGER MIT420 CALIBRATION and MEGGER MIT420 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 MIT420 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

 

 
   MEGGER MIT420   Description / Specification:    
MEGGER MIT420 50-1000V Insulation, Continuity and Capacitance Tester

The Megger MIT420 insulation and continuity tester offers those working in electrical engineering, the electrical supply industry and in maintenance, repair and servicing of industrial equipment and manufacturing processes a convenient test instrument.
Specifications.

Insulation.
Nominal test voltages: 50 V, 100 V, 250 V, 500 V, 1000 V.
Range full scale accuracy: All ranges ±2% ±2 digits up to 100 MΩ.
Short circuit current: 2 mA +0% -50%.
Terminal voltage: -0% +20% ±1 V (Ii <1 mA).
Test current on load: 1 mA at min. pass value of insulation specified in BS7671, HD384 and IEC364, EN61152-2, 2 mA max.
EN61557 operating range: 0,10 MΩ to 1,00 GΩ.
Leakage current range: 10 μA to 2000 μA.
Leakage current: 10% ±3 digits.
Voltage display: 3% ±3 digits ±0.5% of rated voltage.
Polarization Index (PI): 10 min / 1 minute ratio.
Dielectric absorption Ratio (DAR): 60 sec / 30 sec ratio.

Continuity.
EN61557 operating range: 0, 01 Ω to 99, 9 Ω (0 to 100 Ω on analogue scale).
Accuracy: ± 2% ± 2 digits (0 to 100 Ω).
Open circuit voltage: 5 V ± 1 V.
Test current: 205 mA (±5 mA) (0.01 Ω to 9.99 Ω), 20 mA (±1 mA) (10.0 Ω to 99.9 Ω).
Zero offset at probe tips: 0, 10 Ω typical.
Lead resistance zeroing: Up to 9, 99 Ω.
Buzzer: Variable limit 1 Ω, 2 Ω, 5 Ω, 10 Ω, 20 Ω.

Resistance.
EN61557 operating range: 0, 01 k Ω to 1000 k Ω (0 to 1 M Ω on analogue scale).
Accuracy: ±3% up to 50 k Ω then ±5% ±2 digits.
Open circuit voltage: 5 V ±1 V.
Short circuit current: 1.5 mA ±0.2 mA.

Voltage range.
0 to 600 V d.c. ± 2% ± 2 digits.
10 mV to 600 V TRMS sinusoidal (40 - 400 Hz) ±2% ±2 digits.

Default Voltmeter.
Operates at >25 volts a.c. or d.c., on any range except OFF.
Frequency: 15-400Hz (15Hz - 99,9Hz) ±0.5% ±1 digit (100Hz to 400Hz).

Capacitance measurement.
Measurement range: 100 pF to 10 μF.
Accuracy: ±5.0% ±2 digits.
Distance by capacitance: Arithmetic conversion from capacitance measurement.
Default capacitance distance measurement: 50 nF/km.
Capacitance range: 40 nF/km to 60 nF/km.



 

Standard Calibration $275.00 *
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*This is a Web introductory price for one calibration of the MEGGER MIT420. 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.

dBc
dBc (decibels relative to the carrier) is the power ratio of a signal to a carrier signal, expressed in decibels. If the dBc figure is positive, then the relative signal strength is greater than the carrier signal strength. If the dBc figure is negative, then the relative signal strength is less than carrier signal strength.

Load Regulation
Load regulation is the capability to maintain a constant voltage (or current) level on the output channel of a power supply despite changes in the supply's load (such as a change in resistance value connected across the supply output).

Power Linearity
When changing the power level and measuring the differences (in dB) between actual and displayed power levels, the power linearity is ± half the span (in dB) between the maximum and the minimum value of all differences.

Settling Time
Settling time of an output device is the time elapsed from the application of an ideal instantaneous step input to the time at which the amplifier output has entered and remained within a specified error band, usually symmetrical about the final value.


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