 Megger Insulation
Resistance
Testers
MIT500 / MIT1020 Series 5-kV and 10-kV Insulation
Testers --
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MEGGER® MIT510, MIT520 and MIT1020 Series
To be fully in conformance with the most modern testing requirements, Megger offers a family of the highest quality insulation testers at voltages above 1 kV. At the core of high-voltage testing, 5 kV, the MIT510 and MIT520 afford the highest level of quality testing along with prime safety, convenience and portability.
Features:
- Line supply or battery operated
- Digital/analog backlit display
- Measurement range to 15 TΩ (MIT510 and MIT520) and 35 TΩ(MIT1020)
- Automatic insulation resistance tests
- Automatic dielectric absorption ratio, polarization index, step voltage, and dielectric discharge tests (MIT520 and MIT1020)
- RS232 or USB download of results (MIT520 and MIT1020)
- Ingress protection to IP65
- 3 mA short circuit current
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The MIT510 offers selectable test voltages at 250, 500, 1000, 2500, and 5000 V, making the tester suitable for applications otherwise performed with a standard handheld model, in addition to the more demanding high-voltage applications.
The MIT520 increases the functionality by permitting test voltage to be set in any 10 V increment from 50 V to 1 kV, then in 25 V steps all the way to 5 kV. The testers measure to 15 Tera-ohms, thereby making them fully suitable for critical installation tests and establishment of reliable base data for new high-capital equipment. Test results are displayed on Megger’s patented electronic digital/analog arc, thereby affording the precision and assurance of a digital reading combined with the tell-tale pointer travel normally reserved for mechanical movements.
MIT400 Series 1-kV Insulation Testers --
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The MIT400 Series offers a range of models to choose from:
- Choice of 4 models for commercial and plant applications – MIT Models 400, 410, 420 and 430
- Choice of 3 models for telecom applications – MIT Models 481, 482 and 485
Plus, check out our unique “special applications” model. For those who need a unique test voltage, MIT Model 40X offers a variable insulation test voltage from 10 V to 100 V applications in 1 V steps…a solution to practically any unusual measurement requirement you may have.
Features:
- CAT IV 600 V Rated
- Adjustable insulation test voltages – provides 250 V to 1000 V or 50 V to 1000 V.
- A special applications instrument (Model MIT40X) offers test voltages from 10 V to 100 V in 1 V steps.
- Dual digital display readout
- Exceptional measurement range from 20 GΩ to 200 GΩ
- Digital and analog arc display
- Adjustable continuity limit alarm
- Automatically performs PI and DAR tests
- True RMS voltage measurement
- Results storage and wireless Bluetooth download
- Three year warranty
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MIT300 Series 1-kV Insulation Testers --
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MEGGER
MIT300 Series
The complete range of the MIT Series provides indication of insulation resistance up to 999Mohms, 200mA continuity testing, and a fast-reacting continuity buzzer.
- Extremely easy to use
- Tough rubber armoured case
- Self contained protective cover
- Live circuit warning
- Weatherproof to IP54
- Intelligent Safety System for protection
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Developed specifically to meet the needs of today's electrical contractors, the new MIT300 range of insulation and continuity testers from Megger is not only durable and easy to use, but also incorporates a comprehensive set of features designed to ensure operator safety-- even under conditions of accidental misuse.
The range includes four models, ensuring an exact match for the needs of every user, all of which offer automatic discharge of the circuit after testing, audible and visual warning if the test probes are applied to a live circuit, and a test inhibit feature which operates automatically under live circuit conditions. The units also conform fully to IEC 61010-1 for use in Category III 600V applications, and provide all of the facilities needed to meet insulation testing requirements relating to the current edition of the IEE Wiring Regulations.
In line with other products in Megger's comprehensive new contractor range, MIT300 insulation testers feature rugged construction, with an impact-resistant rubber-overmoulded case, and innovative circuitry which guarantees high accuracy combined with stability of calibration.
All instruments in the new range provide indication of insulation resistance up to 999Mohms, 200mA continuity testing, a fast-reacting continuity buzzer, and facilities for nulling the resistance of the test leads. The entry-level MIT300 offers insulation test voltages of 250V and 500V, while the remaining models allow testing at 250V, 500V and 1,000V.
In addition to the basic features, the mid-range MIT310 adds a default voltmeter function, while the MIT320 supplements these facilities with an a backlit display, illuminated range panel, insulation limit alarm, resistance measurement, and an adjustable threshold for the continuity buzzer. The MEGIT320 is also supplied with a switched test probe to speed hands free testing.
An illuminated switched test probe is available as an optional extra for use with the MIT320.
The MIT310, and MIT320 testers incorporate dual solid-state displays which simultaneously show the test results numerically, and in the form of a moving-arc bar graph that accurately simulates the operation of an analogue meter.
All testers come complete with a full calibration certificate. For users who prefer a true analogue device, however, Megger is offering the MIT310A which has features similar to those of the MIT310, but with a conventional moving-coil meter movement in place of the digital display.
MIT200 Series 1-kV Insulation Testers --
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MEGGER MIT200 Series
The MIT200 series will find applications in electrical contracting, both on domestic and industrial systems, as well as site maintenance and service departments.
- 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
- –10ºC to +55ºC operating temperature
- CATIII 600 V
- Conforms to EN61557-1
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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.
Major Megger® Insulation Resistance Tester Models MJ159, MJ359, MJ459, MJ559 and MJ160
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These insulation resistance testers are the recognized standard in the industry. True analog movement remains a popular feature, especially where diagnosis is involved. The trained eye can get much more than just a MΩ reading from an analog meter. Similarly, a guard terminal adds a valuable extra dimension when more than just pass/fail testing is desired. With commonly four test voltages, extra range to the resistance measurements, continuity and kΩ functions for proofing and troubleshooting, they address the widest range of applications and are the most general models.
- 212159 The most basic hand-cranked tester. This has the longest history and is the most popular model ever on the market. The dependability of this self-contained generator remains unchallenged.
- 212359 A dual source version, combining line operation and hand-crank, ease and dependability
- 212459 Operates on convenient throw-away batteries.
- 212559 Battery rechargeable by internal charger and powered by 120 volt ac, 50/60 Hz line.
- 210170 High Resistance Model – Offering a greater range (by a power of 10). This is the instrument of choice where accurate readings of exceptionally high resistance values are preferred over pass/fail infinity readings. This capability makes this unit especially suited for long-term trending of new equipment where readings will commence from factory-fresh values.
- 210600 Digital Autoranging Model - For those who prefer digital, this model includes all of the Megger series standard capabilities Model 210170 — High Resistance Model — Offers a greater range (by a power of 10) while providing accurate readings of exceptionally high resistance values. This unit is especially suited for long-term trending of new equipment.
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