• Insulation testing to 1000 MΩ
• Continuity testing at 200 mA down to 0.01 Ω
• Live circuit warning (voltage display) and test inhibit
• Digital/Analogue display
• Alkaline or rechargeable batteries
• –10°C to +55°C operating temperature
• CATIII 600 V
• Conforms to EN61557-1

The MIT200 series will find applications in electrical contracting, both on domestic and industrial systems, as well as site maintenance and service departments.

The MIT200 series of insulation and continuity testers are ideal for testing transformers, motors, generators, switchgear, panel building, domestic appliances, power tools etc., as well as fixed electrical wiring systems.

Their small size and light weight make them ideal for those engineers that need to carry them for extended periods.

• Designed for Electrical and Industrial testing
• Insulation testing up to 1000 V and 200 GΩ range
• Stabilised insulation test voltage (New)
• Single range, faster continuity testing from 0.01 Ω to 1 MΩ (New)
• Insulation test voltage from 10 V to 1000 V (New)
• 600 V Trms AC and DC voltage measurement
• Live circuit detection and protection
• CAT IV 600 V and IP54

The MIT415/2 and MIT417/2 insulation and continuity testers are designed not just for Electrical and Industrial, but with an exceptionally wide range of applications from electrical installations, cable testing, motor testing, automotive, ESD, panel building, avionics, maintenance etc.

Insulation testing has been enhanced with feedback controlled test voltages to limit over-voltage to 2%, rather than the industry standard 10-20%.

Continuity testing is now significantly faster, and a single autoranging 0.01 Ω to 1.0 MΩ function replaces the “ohms” and “kOhms” ranges. Retained are the 200 mA and 20 mA test options.

Replacing the original MIT400 instruments the new units feature a redesigned case, back-stand, and 6 cell battery compartment with separate fuse access.

All instruments are over-moulded for increased protection and achieve an IP54 weatherproof rating.

The MIT415/2 and MIT417/2 include additional low voltage insulation test voltages at 10 V and 25 V for ESD and low- voltage signal-wire testing as found in elevators. The MIT415/2 also incluses a display option to show 105, 106, 107 instead of the usual KΩ, MΩ, GΩ etc.

• Insulation testing up to 2.5 kV  and 200 GΩ range in a hand held instrument
• Guard terminal for high resistance accuracy
• Adjustable insulation test voltage from 50 V to 2500 V
• Stabilised insulation test voltage
• Rechargeable options for mains and car charging
• Single range, faster continuity testing from 0.01 Ω to 1 MΩ
• Polarisation Index (PI) & Dielectric Absorption Ratio (DAR)
• CAT IV 600 V applications

The MIT2500 insulation and continuity tester has been designed for motor and cable testing, specialist applications and electrical testing  applications, where operation voltages exceed 1000 V and higher insulation test voltages are needed.

The MIT2500 offers both fixed range voltages of 50 V, 100V, 250 V, 500 V, 1000 V and 2500 V, as well as a variable range that allows any voltage between 50 V and 2500 V to be “dialled in”. This is supported by the new test voltage feedback control, which maintains the output test voltage to within 2% of the selected range, even when under test.

• HPG 35, AC testing up to 35 kVrms
• HPG 50 / 58 AC testing up to 50 / 58 kVrms
• HPG 78, AC testing up to 78 kVrms

The AC voltage test sets HPG 35 to 78 are suitable for 50 Hz AC testing of test objects with a low capacity. In addition to 50 Hz AC testing these units can also be enhanced to a DC test set, (see DC-Test Systems).

Typical application areas:

• Testing of switchgear
• Testing of current-transformers
• Testing of MV plant/ component testing

• State-of-the-art measurement of moisture content, tanδ and oil conductivity using DFR (Dielectric Frequency Response)
• Easy-to-use: Software with automated measurement flow and analysis of test results
• “Traffic light” interpretation of test results
• Dedicated test procedures for power transformers, bushings and current transformers
• Automated individual temperature correction (ITC) for accurate comparison with reference data/tests
• Reliable measurements even in high-interference environments
• Interfaces to high voltage amplifiers
• Versions with or without on-board computer

• IDAX 300 – A compact and light 3-channel input (red, blue and ground), 3 terminal (generator, measure and guard) and one ammeter instrument for use with an external computer that runs the IDAX diagnostic software.
• IDAX 300/S – Same as IDAX 300 but with two ammeters for two simultaneous measurements.
• IDAX 350 – Same as IDAX 300/S but housed in a rugged and waterproof case together with an onboard computer that can also be used to control other Megger instruments.

• Highest safety by monitoring functions and easy operation
• Quick and easy mounting with compact and simple setup
• Meeting individual needs by modular design

The HV Test Set is a cable tester for DC voltage testing of cables and cable installations in accordance with the international standards. It consists of an operation unit and HV unit. Due to its small size and low weight the test sets can easily be transported and used on-site. The HV Test Set is available in three versions (50/80/110 kV DC).

• Choice of 6 versions of discharge rod
• Complies with EN 50191, EN 61230 and EN 61219
• Versions for 35 kV to 150 kV working.
• Discharge resistors ensure damped discharge

For damped discharge and direct, visible earthing.

In its tip with which the live conductor is touched the SebaKMT discharge rod features a discharge resistor which limits the discharge current and ensures a damped discharge.

Within a split second, most of the charge of the cable has flown off a post charging effect is thus eliminated.

The discharge rods are made of GFK (fibre glass strengthened plastic). They are equipped with a handle and conservatively rated clearance against physical contact with high voltage.

• Lightest weight available in air-insulated high-voltage model
• Advanced performance with long-term reliability provided by filtered half-wave rectification
• Designed for maximum operator safety

High Voltage DC dielectric test sets provide the most dependable, portable DC highvoltage sources for checking the quality of electrical power cables, motors, switchgear, insulators, transformers and capacitors.

*Please note the analog models are no longer available.

• Continuously variable test voltage, 0 – 30 kV
• Test current 0 - 330 µA
• Output voltage accuracy, + 1.5% (full scale)
• Built-in adjustable ionization indicator
• Fail-safe grounding and “zero-start” switches
• Rugged, compact, lightweight, and portable

The MIT30 is a 30 kV Insulation tester that has been developed to satisfy the demand for a variety of high voltage, high accuracy, low current applications in electrical distribution industries, aerospace and defense applications.

The unit offers unparallel accuracy and resolution, with a high voltage output from 0 to 30 kV dc., trip levels from 0 - 360 µA and a resolution of 1 nA (±1.5%). The MIT30 represents excellent precision in a field instrument, and gives the operator confidence in the meaningful results.

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.

• Continuously variable test voltage
• Rugged field construction
• Circuit-breaker protection

The 5 and 15 kV Megohmmeters are high-voltage, line-operated instruments. They provide a continuously variable test voltage for highly sensitive insulation-resistance measurements of all types of electrical equipment and power cable.

The instruments are designed to withstand harsh field conditions, and feature tough, impact-resistance casing, removable lids and adjustable carrying straps. For complete portability, there is ample room in each case to store cables and the instruction manual.

• Proven ability to make accurate stable measurements in noisy environments such as 765kV substations
• Rapid charge of capacitive loads such as HV power cables
• Resistance measurement up to 35 TΩ with 8 mA noise rejection plus 4 filters
• Additional safety in high energy locations with remote operation
• Always ready to test with fast charge Li-ion battery or AC source operation
• Tough enough to survive harsh environments

S1-1568 15 kV insulation resistance testers has been designed, specified and tested to meet the stringent requirements of power utilities in the 21st century. In addition to being tough, high performance insulation testers the S1-1568 Megger offers the ability to perform accurate insulation resistance measurements in extreme, high noise environments, rapid charging of cable capacitance, and even remote operation for both convenience and safety.

For service companies the S1-1568 represents an excellent choice with its flexibility and future proofing capability.

Quite simply the Megger S1-Series is designed to work wherever you work.

• Proven ability to make accurate stable measurements in noisy environments such as 765kV substations
• Rapid charge of capacitive loads such as HV power cables
• Additional safety in high energy locations with remote operation
• Always ready to test with fast charge Li-ion battery or a.c. source operation
• Tough enough to survive harsh environments

S1-1068 10 kV insulation resistance testers has been designed, specified and tested to meet the stringent requirements of power utilities in the 21st century. In addition to being tough, high performance insulation testers the S1-1068 Megger offers the ability to perform accurate insulation resistance measurements in extreme, high noise environments, rapid charging of cable capacitance, and even remote operation for both convenience and safety.

For service companies the S1-1068 represents an excellent choice with its flexibility and future proofing capability.

Quite simply the Megger S1-Series is designed to work wherever you work.

• Proven ability to make accurate stable measurements in noisy environments such as 765 kV substations
• Rapid charge of capacitive loads such as HV power cables
• Additional safety in high energy locations with remote operation
• Always ready to test with fast charge Li-ion battery or a.c. source operation
• Designed to survive harsh environments

S1-568 5 kV insulation resistance testers has been designed, specified and tested to meet the stringent requirements of power utilities in the 21st century. In addition to being tough, high performance insulation testers the S1-568 Megger offers the ability to perform accurate insulation resistance measurements in extreme, high noise environments, rapid charging of cable capacitance, and even remote operation for both convenience and safety.

For service companies the S1-568 represents an excellent choice with its flexibility and future proofing capability. Quite simply the Megger S1-Series is designed to work wherever you work.

• Measures up to 10 TΩ
• PI, DAR, DD, SV and ramp test
• Improved productivity – operate from line power/mains if battery dead
• Li ion battery - extended capacity, rapid charge
• Advanced memory with time/date stamp
• CATIV 600 V safety rating

Offering CAT IV, the MIT525 is compact, light 5 kV insulation resistance tester for the diagnostic testing and maintenance of high voltage electrical equipment. It is both smaller and lighter than its predecessor, making it even easier to carry and store.

As well as measuring insulation resistance to 10 TΩ, the MIT525 also offers various diagnostic tests such as polarisation index, dielectric absorption ratio, step voltage, dielectric discharge and ramp testing.

Now equipped with lithium ion fast rechargeable batteries, the instrument has a large, clear, easy-to-read 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 timer.

• Measures up to 10 TΩ
• Selectable test voltage from 250 to 5000 V
• PI, DAR, DD test
• Improved productivity – operate from line power/mains if battery dead
• Li ion battery - extended capacity, rapid charge
• CATIV 600 V safety rating

Offering CAT IV, the MIT515 is the simplest of Megger's new range of small light 5 kV insulation resistance testers for the testing and maintenance of high voltage electrical equipment. Enclosed in a tough case it is both smaller and lighter than its predecessor making it even easier to carry and store.

Now equipped with lithium ion fast rechargeable batteries, the instrument has a large, clear, easy to read, 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 timer.

• Measures up to 20 TΩ
• PI, DAR, DD, SV and ramp test
• Improved productivity – operate from line power/mains if battery dead
• Li ion battery - extended capacity, rapid charge
• Advanced memory with time/date stamp
• CATIV 600 V safety rating

Offering CAT IV, the MIT1025 is compact, light 10 kV insulation resistance tester for the diagnostic testing and maintenance of high voltage electrical equipment. Enclosed in a tough case it is both smaller and lighter than its predecessor making it even easier to carry and store.

As well as measuring insulation resitance to 20 TΩ, the MIT1025 also offers various diagnostic tests such as Polarisation index, Dielectric Absorption Ratio, Step Voltage, Dielectric discharge and ramp testing.

Now equipped with lithium ion fast rechargeable batteries, the instrument has a large, clear, easy to read, 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 timer.

• Measures up to 30 TΩ
• PI, DAR, DD, SV and ramp test
• Improved productivity – operate from line power/mains if battery dead
• Li ion battery - extended capacity, rapid charge
• Advanced memory with time/date stamp
• CATIV 600 V safety rating

Offering CAT IV safety, the MIT1525 is compact, light 15 kV insulation resistance tester for the diagnostic testing and maintenance of high voltage electrical equipment. It benefits from the Megger dual case construction, Tough on the outside and fire retardant on the inside.

As well as measuring insulation resistance to 30 TΩ, the MIT1525 also offers various diagnostic tests such as Polarisation index, Dielectric Absorption Ratio, Step Voltage, Dielectric discharge and ramp testing.

Now equipped with lithium ion fast rechargeable batteries, the instrument has a large, clear, easy to read, 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 timer.

• No scale multipliers
• Multiple test voltages for spot and step voltage testing
• Guard terminal to eliminate surface leakage current

Portable, self-contained instruments designed to give rapid and accurate measurements. Four of the models feature an analog display having four selectable test voltages of 100, 250, 500 and 1000 V dc, measuring insulation resistance up to 2000 MΩ and an ohm range to 5000 ohms. The other model has four test voltages of 50, 100, 250 and 500 V dc measuring insulation resistance up to 1000 MΩ.

• Permits ANSI A92.2 for tests on aerial bucket trucks
• 50-kV tap with doubled output current for ANSI A92.2 bucket liner testing
• Output current meter, with guard circuit, for ANSI A92.2 leakage current measurements

The 50/100 kV AC Dielectric Test Sets are ac high-voltage sources for testing electrical insulation. The standard system includes a control/instrument cabinet, a high-voltage transformer assembly and all necessary cables including ground and input power.

These test sets consist of general-purpose ac high-voltage sources suitable for dielectric withstand (high-potential) testing of all types of electrical insulation. They also permit guarded leakage current measurements and are suitable for use with capacitance and dissipation factor bridge systems to measure insulation power factor.

• 15 kV and up to 25 A Burn current
• Short circuit proof
• Display of output current and voltage
• Pulsed voltage for earth fault location

The 15 kV burn unit T 22 / 13 B is a very powerful high voltage burn unit for system integration, but also available as portable stand-alone unit.

The high output power and the short circuit proof construction permit in almost all situations the easy conversion of high resistive and intermittent faults into low resistive faults. The resonance burning technology allows a comparatively smaller but very powerful burn unit.

• Continuous testing with AC voltages up to 75 kVrms at 1 kVA
• Expandable with a second transformer for testing up to 150 kVrms
• Built-in overload protection
• DC testing up to 80 kV with optional rectifier

The AC Voltage Test Set T 22/1 is a portable test set consisting of two separate units: the control unit and the high-voltage unit. This division enables the operator to use the test set on site without transport aids. The test set can be equipped with a rectifier attachment for DC voltage testing up to 80 kV.

• HPG 35, AC testing up to 35 kVrms
• HPG 50 / 58 AC testing up to 50 / 58 kVrms
• HPG 78, AC testing up to 78 kVrms

The AC voltage test sets HPG 35 to 78 are suitable for 50 Hz AC testing of test objects with a low capacity. In addition to 50 Hz AC testing these units can also be enhanced to a DC test set, (see DC-Test Systems).

Typical application areas:

• Testing of switchgear
• Testing of current-transformers
• Testing of MV plant/ component testing

• Powerful test and burning system
• Continuous testing with AC voltages up to 100 kVrms at 5 kVA
• Own noise-level below 1 %
• Built-in overcurrent protection
• DC testing up to 130 kV with optional rectifier

The AC Test Set HPA 100 is a powerful test set. The unit has been designed for mounting in cable test van and can be used for testing of cable systems and for burning down high-resistance cable faults with a high breakdown voltage. The test set can be equipped with a rectifier attachment for DC testing up to 130 kV. Since the own noise-level of the test system is below 1 pC, it is also suitable as a voltage source for PD-measurements.

• State-of-the-art measurement of moisture content, tanδ and oil conductivity using DFR (Dielectric Frequency Response)
• Easy-to-use: Software with automated measurement flow and analysis of test results
• “Traffic light” interpretation of test results
• Dedicated test procedures for power transformers, bushings and current transformers
• Automated individual temperature correction (ITC) for accurate comparison with reference data/tests
• Reliable measurements even in high-interference environments
• Interfaces to high voltage amplifiers
• Versions with or without on-board computer

• IDAX 300 – A compact and light 3-channel input (red, blue and ground), 3 terminal (generator, measure and guard) and one ammeter instrument for use with an external computer that runs the IDAX diagnostic software.
• IDAX 300/S – Same as IDAX 300 but with two ammeters for two simultaneous measurements.
• IDAX 350 – Same as IDAX 300/S but housed in a rugged and waterproof case together with an onboard computer that can also be used to control other Megger instruments.