EXTECH GRT300 4-Wire Earth Ground Resistance Tester Kit

Professional Four Wire Testing for Reliable Grounding

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EXTECH GRT300 4-Wire Earth Ground Resistance Tester Kit
Brand: Extech
Category: Earth Ground Resistance Tester
Availability: Ready Stock
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EXTECH GRT300 4-Wire Earth Ground Resistance Tester Kit Price in Bangladesh

EXTECH GRT300 is a professional grounding measurement instrument, and the EXTECH GRT300 4-Wire Earth Ground Resistance Tester Kit Price in Bangladesh is a relevant search for engineers and technicians seeking dependable earth resistance testing equipment. Designed for professional electrical testing applications, this tester supports accurate evaluation of grounding systems and helps technicians assess earth resistance during installation, maintenance, and inspection work. Its dedicated four wire testing approach provides a practical solution for applications where reliable grounding measurements are essential.

Four Wire Earth Resistance Testing

The EXTECH GRT300 is designed around four wire earth ground resistance testing, making it suitable for professional grounding analysis. Four wire measurement helps minimize the influence of lead resistance and supports more dependable measurement results, particularly when testing grounding systems in demanding environments. This approach is useful for engineers who need consistent information when evaluating grounding electrodes, electrical installations, and other earthing arrangements.

Reliable Grounding System Inspection

Effective grounding is an important part of electrical safety and equipment protection. The EXTECH GRT300 helps professionals inspect earth grounding conditions and identify potential problems within grounding systems. Regular testing can help detect changes caused by corrosion, environmental conditions, soil characteristics, or aging infrastructure. The tester can therefore support preventive maintenance programs and help technicians make informed decisions about grounding system performance.

Practical Testing for Electrical Professionals

The EXTECH GRT300 is designed to provide a practical testing solution for electrical engineers, contractors, maintenance technicians, and testing professionals. Its dedicated earth ground measurement functionality allows users to focus on grounding assessment without relying on general-purpose electrical instruments. This makes the tester useful for installation verification, commissioning activities, periodic inspections, and technical troubleshooting.

Easy Operation and Efficient Workflow

Professional testing equipment should provide a straightforward operating experience so technicians can work efficiently in the field. The EXTECH GRT300 is designed for practical earth ground testing, allowing trained users to follow a structured measurement process. Its dedicated functionality can simplify routine grounding inspections and help technicians maintain a consistent testing workflow across different electrical installations.

Preventive Electrical Maintenance

Grounding systems can deteriorate over time due to environmental exposure, mechanical changes, corrosion, and other factors. Regular earth resistance testing provides valuable information for preventive electrical maintenance. The EXTECH GRT300 can be incorporated into maintenance programs to help technicians monitor grounding conditions and identify situations that may require further inspection or corrective action. This proactive approach can contribute to safer and more reliable electrical infrastructure.

Grounding Troubleshooting

Grounding problems can contribute to unwanted electrical behavior and may affect the performance of protective systems. The EXTECH GRT300 can support troubleshooting activities by allowing technicians to investigate earth resistance conditions at relevant grounding points. Measurement results can be used together with visual inspection and other electrical tests to help identify possible grounding issues and determine appropriate maintenance requirements.

Industrial and Commercial Applications

The EXTECH GRT300 is suitable for a broad range of professional applications. It can be used for grounding inspections in industrial facilities, commercial buildings, electrical installations, construction projects, utility-related systems, and technical service environments. Electrical contractors can also use the tester during installation and commissioning to verify grounding arrangements before systems are placed into regular operation.

Electrical Installation and Commissioning

Ground resistance testing is an important part of electrical installation verification and commissioning. A properly evaluated grounding system provides valuable information about the effectiveness of an electrical installation's earth path. The EXTECH GRT300 provides professionals with a dedicated tool for conducting earth ground resistance measurements during project completion, maintenance activities, and system verification.

Professional Four Wire Measurement Approach

The four wire testing method is particularly useful when measurement accuracy and consistency are important. By separating the current and potential measurement paths, the testing method can reduce the effect of test lead resistance on the measurement. This makes the EXTECH GRT300 a practical choice for professionals who require a dedicated instrument for detailed earth grounding evaluation and engineering assessment.

Portable Solution for Field Testing

Grounding measurements are often performed away from laboratories or fixed testing environments. The EXTECH GRT300 is designed as a field-oriented earth ground resistance tester that can support technicians during on-site inspections. Its practical form makes it suitable for carrying between electrical installations and testing locations, helping professionals perform grounding assessments where they are actually needed.

Durable Design for Professional Use

Testing instruments used by electrical professionals must be suitable for repeated handling and regular field work. The EXTECH GRT300 earth ground resistance tester is designed for professional earth grounding applications and provides a dependable platform for routine testing activities. Its practical construction supports use during installation, maintenance, inspection, and troubleshooting tasks in demanding electrical environments.

Electrical Safety Verification

Grounding plays an important role in electrical safety by providing an intended path for fault currents and supporting protective measures. The EXTECH GRT300 can be used as part of a broader electrical safety verification process by helping professionals evaluate earth resistance. Incorporating grounding tests into regular inspection procedures can help identify potential weaknesses and support better electrical system maintenance.

Efficient Ground Resistance Testing

The EXTECH GRT300 provides a dedicated approach to earth ground resistance measurement, helping technicians maintain an efficient testing workflow. Its four wire testing capability is valuable for applications where dependable grounding measurements are required. This makes it suitable for professional testing teams that regularly evaluate grounding systems as part of installation, maintenance, commissioning, or troubleshooting work.

Why Choose EXTECH GRT300

The EXTECH GRT300 is a practical choice for professionals who require dedicated four wire earth ground resistance testing. Its grounding-focused functionality, field-oriented design, and suitability for professional electrical applications make it useful for engineers, technicians, contractors, and maintenance teams. It can support grounding inspections throughout the service life of an electrical installation, from initial commissioning through routine p

reventive maintenance.

Professional Earth Ground Testing Solution

For organizations and electrical professionals seeking a dependable earth ground resistance testing solution, the EXTECH GRT300 offers a practical option for professional grounding assessment. Its four wire measurement approach supports detailed grounding evaluation, while its field-friendly design makes it suitable for installation, inspection, maintenance, and troubleshooting activities. It can be a valuable addition to an electrical testing toolkit where reliable grounding verification is an essential part of professional work.

Features: Extech GRT300: 4-Wire Earth Ground Resistance Tester Kit

  • 4-wire, 3-wire, and 2-wire testing
  • Large dual line LCD
  • Automatic I (current) and P (potential) spike check
  • Test Hold function for easy operation
  • Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off
  • AC Earth Voltage
  • Overrange and low battery indication
  • Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries

Specifications: Extech GRT300: 4-Wire Earth Ground Resistance Tester Kit

General Specification
Earth Ground Resistance ranges 2Ω/20Ω/200Ω/2000Ω
Basic Accuracy ±(2% rdg + 3d)
Resolution 0.01Ω/0.1Ω/1Ω/0.01kΩ
Test Current/Frequency <2mA/820Hz
AC Earth Voltage/Frequency 0 to 300VAC/40 to 500Hz
Accuracy ±(2% rdg + 3d)
Power Supply Eight 1.5V 'AA' Batteries
Dimensions 9.8 x 7.8 x 4.3" (250 x 190 x 110mm)
Weight 3.15 lbs (1430g) (batteries included)

Tech Specs

Ground Testers/3 Pole / 4 Pole Ground Testers Template

Type 4 Pole
Display (3 Pole Testers) Digital
Ground Resistance Range 2000 Ohms (2 K Ohms)
Operating Frequency 820 Hz
Accuracy ±(2%rdg+3d)
Measuring Current 2 mA
Measuring Voltage 300 V
Measuring Frequency 820 Hz
Soil Resistivity No
Stakeless Capability No
CAT Rating IV
CAT Voltage 300 V
Optional Ground Kit Included No
Auto Ranging Yes

Test Equipment General Attributes

Unique Features 4-wire, 3-wire, and 2-wire testing
Large dual line LCD
Automatic I (current) and P (potential) spike check
Test Hold function for easy operation
Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off
AC Earth Voltage
Overrange and low battery indication
Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries
Warranty 2 YEARS
Warranty Details Limited Two Years Warranty
Safety Approval CE
Product Weight 3.15 LBS
Product Height 4.33 IN
Product Length 9.84 IN 
Product Width 7.8 IN
Calibration Included Factory Calibration
Battery Type AA 
Power Supply Voltage Battery Powered
Country of Origin Taiwan
Shipping Height 6.50 IN
Shipping Length 15.00 IN
Shipping Width 11.75 IN

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