Megger is a company with a justified reputation for high quality instruments and have a wide range of equipment which covers all aspects of Installation, maintenance and servicing, from insulation testers to communications equipment. Glanford Electronics Limited are approved Distributors and service agents for the range of Avo™ - Megger™ products. We can supply, calibrate, certify and repair equipment in our workshops.     Megger provides a full service solution to meet your electrical test and measurement needs. Megger™ products provide testing solutions in the most critical maintenance areas including cable fault locating, protective relay testing, on-line monitoring of substation apparatus, and power quality testing. With such a diverse product offering, they are the single source for electrical test and measuring instruments. Manufacturing insulation testers from 1kV to 10kV is where Megger started, and the Megger brand name is so well known     today that maintenance professionals often incorrectly use it as a verb when they refer to doing an insulation test on wiring. This famous brand name dates back to 1889, when the first portable insulation tester was introduced with the MEGGER brand name on it. The firm enjoys an outstanding reputation in the areas of ground testing, oil testing and a wide variety of electrical contractor maintenance tools such as multimeters portable appliance testers and clamp-on meters. Megger MFT1500 Multifunction Tester Features Include: Phase to phase testing Combined 17th Edition testing Guaranteed non-tripping loop test range Simple and intuitive to use Backlit display and selector ranges Illuminated Switch Probe Ergonomic design The MFT1500 series combines all the essential features necessary for testing domestic, commercial and industrial fixed wiring in accordance with International Standards and National Wiring Regulations including BS7671 (17th Edition wiring regulations) and European Standard EN61557. In addition, the MFT1500 series also meets or exceeds the requirements of EN61010-1 Category III 480 V (max) phase-phase. The MFT1500 is available in 2 options, the standard MFT1501 and MFT1502, which includes useful additional facilities such as backlit display and range switches, plus the unique Megger illuminated switched probe.     Both instruments are simple to use. Even with minimal experience of the instrument the operator can begin testing with complete confidence.The unique modern styling of the instruments allows it to be operated whilst stood on the floor, a ledge, hung around the neck with the supplied neck strap, or held in the hand. The hand strap increases operational comfort and security further with all the test functions falling easily to hand. The tough case provides enough protection to withstand the rough and tumble of daily use and to be stowed in a tool bag or in the carry case (MFT1502). The MFT1500 Series instruments use the patented Megger digital/analogue arc display. The analogue arc provides an indication of fluctuating readings, while the digital readout providing the ability to record accurate results. All test functions are selectable from the main panel, with no hidden ranges or functions to forget. Download Specifications, Quick Start, and User Guide pdfs Megger MFT1552 Multifunction Tester Features Include: Automatic RCD testing Stable readings on high noise supplies Switch probe including a torch and back lit display and selector knobs, help you do the job right first time Hands-free operation with comfortable neck strap Bright obvious colour coding Clear easy-read display combines high speed analogue clarity with digital stability Tough easy to pick up and use tester Tough carry and storage case MFT1552 Additional features: Selecting the auto (RCD) feature, starts the RCD test current cycle of 1/2I, I and 5I. Each time the RCD is tripped, resetting it, automatically continues the test sequence. Once completed, test results can be recalled on the MFT1552.     The MFT1552 is simple to use. Even with minimal experience of the instrument the operator can begin testing with complete confidence.The unique modern styling of the instruments allows it to be operated whilst stood on the floor, a ledge, hung around the neck with the supplied neck strap, or held in the hand. The hand strap increases operational comfort and security further with all the test functions falling easily to hand. The tough case provides enough protection to withstand the rough and tumble of daily use and to be stowed in a tool bag or in the carry case. The MFT1500 Series instruments use the patented Megger digital/analogue arc display. The analogue arc provides an indication of fluctuating readings, while the digital readout providing the ability to record accurate results. All test functions are selectable from the main panel, with no hidden ranges or functions to forget. Download Specifications, Quick Start, and User Guide pdfs Megger RCDT300 RCD testers for electricians Features Include: Tests standard, DC and selective RCDs Ramp testing Auto (Remote) testing 3 Phase safe Enables testing on 110 V centre tapped supplies. Tough rubber armoured case with built-in cover Weatherproof to IP54 MEGGER BOOSTS SAFETY IN RCD TESTING Even if they are inadvertently connected to a live three-phase supply, RCD testers in Megger's new RCDT300 range remain undamaged, and present no safety hazard to the user. Introduced after extensive customer research into the requirements of electrical contractors, these innovative instruments combine rugged construction with straightforward operation, and they are offered at very competitive prices. Available in three models, ensuring that all users can choose a model which exactly meets their needs, RCDT300 RCD testers feature a compact ergonomic design, making them easy to handle and use, and a tough impact-resistant body with a rubber overmoulding for additional protection, plus a built-in display cover. All models in the range are water and dust resistant, with an IP54 ingress protection rating.     The low-cost entry-level RCDT310 model is suitable for use on supplies between 100V and 280V, and offers 0.5I, I and 5I tests, with provision for tests starting at 0?/180? of the supply waveform, as well as for DC tests. It also has facilities for testing standard and selective RCDs, and covers current ranges from 30mA to 500mA. When connected to a live supply, it defaults to voltmeter mode. The mid-range RCDT320 covers a wider supply voltage range of 50V to 290V, allowing use with centre-tapped 110V supplies. It incorporates ramp testing testing, for RCD tripping current measurement, and the unique Megger auto sequence test feature, which saves time by allowing the tester to conduct all the RCD tests, and to store the results while the operator stands by the RCD, resetting it as appropriate.The operating current range of the RCDT320 is extended to cover 10mA to 1,000mA devices, and the ability to measure AC supply voltage and frequency is added. The large liquid crystal display for test results is backlit in this model, making it easier to use in locations with low ambient light levels. All models in the range comply fully with the requirements of IEC61010-1 for Category III 300V applications, and are supplied complete with appropriate test leads and a calibration certificate. Megger MTB7671 Instrument Test Box Features Include: Tests the full range of a testers capability Does not trip RCD protected circuits Tests to the regulations BS7671, BS EN61557 and IEE On-Site Guide Checks insulation, continuity, loop, PFC and RCD functions Confirms testers continued performance between calibrations in Colour coded test functions DESCRIPTION The MTB7671 is designed to provide confirmation that your testers continue to operate properly, and maintain their accuracy and consistency between calibrations. The NICEIC, ELECSA and Corgi among others now request evidence that your testers comply with this. The MTB7671 checks not only the basic functions of the testers, but also that the correct test current or voltage is being used during the test. For example, a continuity test should not just give a result in ohms, but the short circuit test current should be greater than 200 mA and the open circuit voltage should be within the limits of 4-24 V. The PASS/FAIL values are selected to ensure that where there is a published specification for a test parameter then the MTB7671 will test your tester to ensure that it meets these specifications using a series of simple Pass/Fail indications. Additional test values are provided to ensure that the testers maintain consistent values across the range of their operating specifications. The values chosen for MTB7671 test points are the same as those supplied on all new Megger test instrument calibration certificates which means that you can confirm that the tester continues to provide results that are consistent with its original calibration points.     Megger MIT200 series Insulation tester for electricians Features Include: Insulation testing to 1000 MOhms Continuity testing at 200 mA down to 0.01Ohms 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 DESCRIPTION The MIT200 is one of the smallest insulation testers available on the market today. With options of a two and three test voltage instruments, the MIT200 instruments offer a range of safety and operation features. The display offers a combination of digital readout and analogue display, using Megger’s patented DART display technology, which include the benefits of an LCD display, such as robust, clear and accurate measurement, with an analogue pointer response for evaluating circuit charge and discharge characteristics. The instrument housing is in tough ABS, designed to withstand the rigours of hard use, and is small enough to drop into your pocket when not in use. Battery requirements are 6 AA batteries of either standard alkaline or nickel metal hydride (NiMH) rechargeable type. A low battery warning indicator gives advanced warning of exhausted batteries. Continuity testing Automatic continuity testing is performed at 200 mA to ensure compliance with international requirements. No need to press the test button. All instruments will measure up to 100Ohms on continuity, of which 0-10Ohms is performed at greater than 200 mA to meet international electrical testing requirements. Megger LT300 Series Non-tripping loop tester Features Include: Non-tripping loop tester 3 Phase safe Single or phase-phase loop testing Enables testing on 110V centre tapped supplies. Easy Intuitive operation Tough rubber armoured case with built-in cover Weatherproof to IP54 MEGGER'S NEW LOOP TESTERS GIVE GUARANTEED PERFORMANCE! A test option which is guaranteed not to trip RCDs, and safe operation even if accidentally connected to a live three-phase supply, are among the key benefits of Megger's new LT300 range of earth-impedance loop testers. These tough, easy-to-use instruments have been developed, after extensive customer research, specifically to address the needs of electrical contractors working in today's demanding and competitive market conditions. The new loop testers are easy to hold and use, even under difficult on-site conditions, and they have a robust rubber case with a built-in lid to protect the display, ensuring that they are easily able to withstand the rigours of day-to-day use. In addition, the instruments are IP54 ingress protection rated, indicating that they are exceptionally well protected against the entry of dust and water. To ensure an exact match with users' needs, Megger is currently initially offering its new LT300 loop testers in two versions. The entry-level LT310 is ideal for those requiring instruments to carry out essential tests in line with the requirements of the 17th edition of the IEE Wiring Regulations. It performs phase-to-earth loop tests and prospective short-circuit current calculations, as well as indicating supply polarity and voltage. It offers a choice of non-tripping or fast, high-current loop testing, and conforms fully with the requirements of IEC61010-1 for Category III 300V applications.The LT320 model provides all of the functionality of the LT310, and adds facilities for phase-to-phase testing, supply frequency measurement, automatic calculation of final circuit impedance (R1+R2), the display of maximum Zs, and for checking phase rotation. It also incorporates a backlit display and illuminated selector switches, which aid testing in poorly lit environments.     Megger MIT300 series Insulation tester for electricians Features Include: Extremely easy to use Tough rubber armoured case Self contained protective cover Live circuit warning Weatherproof to IP54 Intelligent Safety System for protection. MEGGER INSULATION TESTERS COMBINE SAFETY WITH DURABILITY Developed, after extensive customer research, 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. MEGGER DCM300E Leakage Clampmeter Features Include: 0.01 mA resolution EMC and EN1010-2-32 compliance 30 mA, 300 mA, 30 A and 300 A range The DCM300E Earth Leakage Clamp designed primarily to check earth leakage currents with a dedicated 30 mA range providing resolution down to 10 µA. The capabilities of the DCM300E extend to measuring currents of up to 300 A ac, making it a highly versatile instrument capable of taking current measurements in a wide variety of situations and applications.A typical application for the DCM300E would be the measurement of earth leakage current in a circuit where the GFCI repeatedly trips out. The measured result will quickly identify whether an excessive leakage current is causing the GFCI to trip, or if the GFCI itself is faulty. The DCM300E has 4 ranges: 30 mA, 300 mA, 30 A and 300 A with a best resolution of 0.01 mA. The analog-style bargraph of the DCM300E is very useful when monitoring changes, allowing the operator to easily interpret the rapidly changing bargraph rather than the digital display. Other key functions include the "Data Hold" feature which aids in measurements where there is a problem with accessibility or poor lighting, and the automatic power off feature that extends the battery life. This clampmeter was also designed with safety in mind and exceeds the latest safety design standards IEC1010-2-32 and EMC requirements. Extra safety features have been designed into the DCM300E to provide a safer working environment for the user.     MEGGER DET62D Digital Earth Tester Features Include: Weatherproof case, protection to IP54 Three terminal measurement for earth electrode testing Simple, fully automatic operation Digital display Noise rejection to 40 V High tolerance to spike resistance helps testing in urban areas The MEGGER® DET62D is a fully automatic, three terminal instrument built into a rugged, water resistant case giving protection for outdoor use. The instrument is suitable for the testing of single earth electrodes such as lightning conductors and other small earthing systems. The resistance of conductors such as conduit coupling joints can also be measured. MEGGER CM500 Combined Installation Tester Features Include: Combines the function of several instruments in one package Non-tripping loop test for tests on RCD protected cicuits RCD ramp test features actual tripping current Stores approximately 750 different test results in internal memory The Megger CM500 Multifunction Installation Tester combines all the functions required to fully test domestic, commercial, and industrial fixed wiring, in accordance with international standards. The CM500 is the first installation tester with a non-tripping loop tester guaranteed not to trip any RCD rated 30 mA or above. Its memory and storage capability offers all data to display, download to a PC and on unique on-site print facility.     MEGGER LTW300 Series Loop Impedance Tester The new LTW300 series instruments offer a 2 wire loop testing solution that does not trip 30 mA RCDs and can be used on a wide range of voltages without the need to disconnect the electrical supply. The range consists of: LTW315 - 2 Wire loop impedance measurement LTW325 - 2 wire + maxZ + (R1+R2) LTW335 - 2 wire + maxZ + (R1+R2) + Download LTW425 - 2 wire + maxZ + (R1+R2) + 0.001Ohms 2 Wire testing A loop test is performed with only 2 test leads. This can be either: Phase to Earth Phase to Neutral Phase to Phase Testing is simple, as there is no need for a 3rd wire to be connected, which can cause confusion when trying to identify which part of the circuit is being tested. At Glanford Electronics we would be pleased to provide any assistance or advice on any of the above Megger instruments, or visit Meggers website on www.megger.com