MEGGER Earth Ground Resistance Testers

MEGGER Earth Ground Resistance Testers Pioneered Ground Resistance Testing

The MEGGER company, established in the late 1800s, has been designing and making test and measurement instruments that perform electrical measurements for preventative maintenance and electrical troubleshooting. The MEGGER Earth Ground Resistance Testers were pioneered and introduced in the early to mid 1900’s and are the technology and innovative leaders of today. The MEGGER Earth Ground Resistance Testers are designed to conveniently measure the electrical conductive of the Earth. Megger offers over a dozen technical choices and solutions to satisfy your particular application.

MEGGER Earth Ground Resistance Testers Measures Earth’s Conductivity

The Earth’s electrical conductivity properties are put to practical use in every day applications in industrial plants and in the utility industries worldwide. Actually, the earth is a relatively poor conductor of electricity compared to normal metallic conductors like copper and aluminum. However, if the area of a path for current flow is large enough, resistance can be quite low and the earth can be a good conductor. It is the earth’s abundance and availability that make it an indispensable asset type component of a properly functioning electrical system. Determining effectiveness of “ground” grids and connections that are used with electrical systems to protect personnel and equipment is a fundamental application. Measurements of earth resistivity are most useful for finding the best location and depth for low resistance electrodes for neutral connections.

The Megger DET family of test instruments offers a unique solution to the measurement of earth or ground electrode (rod) resistance and soil resistivity. The family has three digital variants, which support 2, 3 and 4 point (DET4TD only) testing, and one analogue version that makes provision for 2 and 3 point measurements.

The DET3TC can use an optional current clamp (ICLAMP) to measure electrode (rod) resistance without disconnection, leaving the installation earthing system intact (Attached Rod Technique, ART). The DET3TC in conjunction with the current clamp can also measure conductor current.

The DET Series variants have the following features:

Megger DET2/2	The Megger DET2/2 digital ground resistance meter measures earth electrode resistance and soil resistivity to increase the safety and performance of electrical systems. The unit measures digitally and has manually-selected test current, test frequency, and filtering so that it can be used in noisy environments. The meter uses the four-terminal method to eliminate the circuit current resistance for more accurate measurements. Megger_DET2-2 Datasheet
Megger DET3TC	The new ground testing instrument family from Megger offers a unique solution to your ground stake testing needs. The complete kit of instrument, test leads, stakes, batteries and calibration certificate are delivered in a tough polypropylene carry case – everything you need to start testing in one kit which includes Stake & Wire Kit  Megger_DET3-Series_DataSheet
Megger DET3TD	The new ground testing instrument family from Megger offers a unique solution to your ground stake testing needs. The complete kit of instrument, test leads, stakes, batteries and calibration certificate are delivered in a tough polypropylene carry case – everything you need to start testing in one kit. 2-3 Pole Test, Range to 2000Ω Megger_DET3-Datasheet
Megger DET4TR2	Cat #1000-324 The entire kit includes batteries, stakes, calibration certificate and test leads contained in a rugged polypropylene carrying case which is all you need in 1 package to start your tests. Terminal adapters (optional) are available to accommodate a large variety of different test leads. 2-3-4 Pole Test, ART, Stakeless Clamp-On, Range to 100,000Ω, NiMH Megger_DET4TD2_DET4TR2-Datasheet
DET4TC2+CL KIT	Cat. #1000-365 The Megger DET4TC2 four-terminal ground resistance tester with clamps measures earth ground resistance, soil resistivity, and ground voltage to evaluate the safety and integrity of electrical systems. The tester offers a choice of 2-, 3-, or 4-pole ground resistance testing. It can take measurements using the attached rod technique (ART), which tests on-site grounds without requiring the utility connection to be disconnected. DET4TC2, Stakeless, Cal-Cert Megger_DET4TC2-KIT_Datasheet
DET4TCR2+CL KIT	Cat. #1000-366 The Megger DET4TCR2 four-terminal ground resistance tester with clamps measures earth ground resistance, soil resistivity, and ground voltage to evaluate the safety and integrity of electrical systems. The tester offers a choice of 2-, 3-, or 4-pole ground resistance testing. It can take measurements using the attached rod technique (ART), which tests on-site grounds without requiring the utility connection to be disconnected. DET4TCR2, Clamps Megger_DET4TC2-CL_KIT_Datasheet
Megger 1000-345	Cat. #1000-345 The new DET4TC and DET4TCR also provide stakeless testing capability. This method allows the operator to use the instrument like a clamp-on ground tester in applications where that method is viable, while also being able to operate as a fall of potential tester 2-3-4 Pole Test, Rod and Stakeless, Cal-Cert, ART, DET4TC & DET4TCR, 2-3-4 Pole Test, ART, Stakeless Clamp-On, Range to 100,000 Ω, Dry Cell MEGGER_DET4TC-DET4TCR Datasheet
Megger DET4TCR2	Cat. #1000-346 The Megger DET4TCR2 four-terminal ground resistance tester measures earth ground resistance, soil resistivity, and ground voltage to evaluate the safety and integrity of electrical systems. The tester offers a choice of 2-, 3-, or 4-pole ground resistance testing. It can take measurements using the attached rod technique (ART), which tests on-site grounds without requiring the utility connection to be disconnected.,2-3-4 Pole Test, NiMH, ART, Range to 200,000 Ω Megger_DET4TC2-DET4TCr2 Datasheet
Megger DET4TD2	Cat. #1000-347 The new ground testing instrument family from Megger offers a unique solution to your ground rod testing needs. The complete kit of instrument, test leads, stakes and batteries are delivered in a tough polypropylene carry case – everything you need to start testing in one kit.2-3-4 Pole Test, ART, Stakeless Clamp-On, Range to 20,000 Ω, Dry Cell Megger_DET4TD2_DET4TR2-Datasheet
Megger DET14C	Cat. #1000-761 The Megger DET14C represents a new generation of earth ground clamp-on resistance testers. This instrument induces a test current into earth systems and measures ground resistance in multi ground installations without needing to disconnect the ground Elliptical clamp shape, to 1500 Ω Data Storage/Data Recall Megger_DET14C_DET24C Datasheet
Megger DET24C	Cat. #1000-762 The 1000-762 is a highly advanced ground resistance clamp on tester which sets higher standards for features, performance, access, ease of operation & safety. With its flat-core ends, the unit prevents buildup of dirt, ensuring integrity of you measurements & improved reliability as compared to other clamp on testers that have interlocking teeth Elliptical clamp shape, to 1500 Ω Data Storage/Recall/USB Download Megger_DET14C_DET24C Datasheet
Megger 6320-245 KIT	Cat. #6320-245 Professional Earth/Ground Testing Kit for DET3 & DET4 Testers, 2ea-30m cable Reels, 2ea-50m Cable reels, 4-Auger spikes, 50m Tape, Carrying Case, Megger_6320-245 KIT Datasheet

Earth Ground Testing Basics