Megger MIT30 30kV DC Dielectric Test Set

Model: MIT30

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Megger MIT30 30kV DC Dielectric Test Set-

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Megger MIT30 30kV DC Dielectric Test Set

Model: MIT30

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30 kV DC Dielectric Test Set; 330 microamps

Discontinued!

This product has been discontinued and is no longer available.

There is no direct replacement, however we recommend the:

Megger MIT300-EN Insulation and Continuity Tester, 500 V

Model: MIT300-EN

Combining safety with durability, this insulation and continuity tester includes several features to ensure safe operations, even under conditions of accidental misuse. In addition, this tester automatically discharges circuits after testing and gives an audible-visual warning when applying test probes to a live circuit.

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Megger MIT30 Offers

The Megger MIT30 is a portable 30-kV insulation tester that has been developed to undertake tests on UST (ungrounded test samples). It satisfies the demand for a variety of high voltage, high accuracy, and low current applications. The MIT30 is NOT suitable for use on grounded/earthed test samples.

The MIT30 has a test current of up to 330 µA, and user selectable trip levels from 0 to 360 µA. The MIT30 provides protection to the test piece against flashovers (arcing) and further damage in the event of a breakdown. An audible ionization indicator gives an audio indication of any electrical discharges present during the test period.

The MIT30 can be used to perform step-voltage and proof tests which, when incorporated into a routine maintenance program, can aid in predicting potential failure before breakdown occurs.

The MIT30 will operate from a wide range of input voltages and frequencies. The unit will will operate from 85-264 V ac with a frequency range of 47-440 Hz.

Applications

The MIT30 checks the electrical insulation quality and integrity of a wide variety of insulation material on UST ungrounded systems.

Due to the unique combination of up to 30-kV high voltage, high accuracy down to 100 nA, and low current 0-330 µA, the MIT30 has several applications:

Acceptance and Maintenance Testing of Electrical Plant:
- Switchgear
- Buss-Bars
- Capacitors
Defense Industry
Aerospace Industry
Rubber Safety Glove Testing
Testing of Vacuum Interrupters
Power Equipment/Plant Manufacturers to Perform QA/QC Production Tests

Key Features

Ergonomic design ensures ease of use, hence subsequent reduction in instrument learning time. This allows the operator to undertake accurate safety testing in a minimum amount of time.
Fast charging of high-capacitance samples reduces testing times.
Current guard circuit ensures highly accurate measurements and test results, thus avoiding external interferences that could affect the accuracy of any test results.
Highly accurate voltage and current outputs normally associated with a test bench or laboratory test set, in a rugged, field-proven case, takes high accuracy into the field environment.
User selectable current trip points provide protection to the test piece and the operator in the event of a breakdown in the insulation of the object being tested.
Adjustable ionization indicator gives audible indication of electrical discharges during test.
Universal input 85-264 V ac, 47-440 Hz makes the MIT30 suitable for a wide variety of applications.
Compact, lightweight and rugged construction makes the unit ideal for field use.
Its rugged, field-proven case has in integrated carry handle for easy carrying and an air transport pressure relief value which allows the instrument to be safely transported without damage.

Safety and Reliability

Fail-Safe, gravitationally invariant internal grounding switch
Zero-Start safety provision
Cable interlock with bright LED, visible even in direct sunlight
Triaxial HV output cable, with integrated HV, guard, and current sense
Detachable HV output cable, shielded with interlock provision
Output current overload relay
Switch control and indicating lights for high-voltage ON/OFF
Protected output for both short/open circuit conditions
Fused power inlet module

Specifications

Insulation ranges
Nominal Test Voltage	500 V, 250 V (d.c.)
Measuring Range
All instruments	10 k½ - 999 M½ 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
Continuity ranges
Measuring Range	0,01 ½ - 99,9 ½ (0 -50 ½ on analogue scale)
Open Circuit Voltage	5 V ±1 V
Short Circuit Current	200 - 215 mA
Terminal Characteristics

Accuracy (at 20° C)	±3% ±2 digits
Zero Offset Adjust	0 - 9 ½
Continuity Buzzer	Operates at < 5 ½ Response time <20 ms
Voltage range
Measuring Range	0 - 600 V a.c. (50/60 Hz) or d.c.
Accuracy (at 20° C)	d.c. or a.c. (50/60 Hz) ±1%, ±2 digits
Temperature coefficient	<0,1% per °C on all ranges.
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.
Temperature and humidity
Operating Range	-10°C to +60°C
Operating Humidity	93% R.H. at +40°C max.
Storage Range	-25°C to +70°C
Test Result Storage (1000 results)
Job Number	255 locations
Distribution Board no.	99 locations
Circuits	99 locations
Phases	P1, P2, P3
Last recorded result may be recalled to the display. All data can be downloaded to a PC using Download Manager (supplied) or Megger Powersuite Professional of Windows software
Communications	USB interface
Environmental Protection	IP54
Fuses	Terminals 500 mA (F) 600 V, 32 x 6 mm Ceramic HBC 10 kA minimum.
Fuses	Display shows if fuse is ruptured.
Safety	Meets the requirements of IEC61010-1 Cat III 600 V phase to earth.
Automatic discharge	After an insulation test the item under test will be discharged automatically. Any voltage present will be indicated on the display so that the discharge can be monitored.
Power supply
Battery	8 x 1,5 V cells IEC LR6 type(AA alkaline). Rechargeable NiCd or NiMH cells may be used. Battery condition is constantly shown on the display as a four-section bargraph.
Battery Life	5000 consecutive tests (5 seconds per test) on any test using 2Ah batteries. Weight
All units	980 gms
Dimensions	All units: 203 x 148 x 78 mm (8 x 5.7 x 3.2 inches)
E.M.C.	In accordance with IEC61326 including amendment No.1

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What's included with the Megger MIT30

HV Triaxial Output Cable, 3 m
Input Power Cord, 120 V
Input Power Cord, 230 V
Instruction Manual

datasheet for the Megger MIT30 30kV DC Dielectric Test Set manual for the Megger MIT30 30kV DC Dielectric Test Set

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