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Four-Terminal earth/ground resistance testers DET4 series

Four-Terminal earth/ground resistance testers DET4 series Specification

Resistant Feature
Shock, dust, and splash resistant

Batteries Type
6 x AA (LR6)

Usage & Applications
Measuring earth/ground resistance and soil resistivity in electrical installations

Accuracy
2% of reading 2 digits (typical)

Product Type
Four-Terminal Earth/Ground Resistance Tester

Material
ABS Plastic, Metal Electrodes

Measuring Voltage Range
Up to 50V AC (typical measurement voltage for DET4 series)

Operating Temperature
-10C to +55C

Frequency (MHz)
128 Hz test frequency

Insulation Box
High-impact ABS plastic

Protection System
IP54 rated (weather and dust resistant)

Size
Handheld/Portable

Color
Yellow & Black

Dimension (L*W*H)
203 mm x 148 mm x 78 mm

Weight
Approximately 1 kg (with batteries)

Display
Large, clear analog/digital display depending on model

Measurement Range
0.01 to 2000

Overvoltage Protection
Yes, for operator safety

Lead Resistance Compensation
Automatic

Safety Rating
CAT IV 100V

Test Current
Selectable, typically up to 2 mA

Data Hold Function
Yes, for easy reading

Casing
Rugged, dual-insulated enclosure

Included Accessories
Test leads, earth spikes, carry bag

Four-Terminal earth/ground resistance testers DET4 series Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
100 Pieces Per Month

Delivery Time
2 Days

Packaging Details
Cartoon

Main Domestic Market
All India

About Four-Terminal earth/ground resistance testers DET4 series

Meggers DET4 series of four-terminal earth/ground resistance testers offers a comprehensive solution to your earth/ground and soil resistivity testing needs.

To that end, this popular instrument series includes four models with different kit variants that contain various accessories for greater testing flexibility. The four basic units are:

DET4TD2: Dry-cell battery-powered basic four-terminal tester
DET4TR2: Rechargeable battery-powered basic four-terminal tester
DET4TC2: Dry-cell battery-powered four-terminal tester with selectable test frequencies, greater measurement sensitivity, attached rod technique (ART), and stakeless measurement capability
DET4TCR2: Rechargeable battery-powered four-terminal tester with selectable test frequencies, greater measurement sensitivity, attached rod technique (ART), and stakeless measurement capability

The DET4TC2 and the DET4TCR2 testers are for demanding applications requiring maximum versatility. These instruments support two-, three- and four-pole testing, as well as attached rod technique (ART), stakeless, leakage current, and earth noise voltage measurement. They also allow you to select the test frequency from one of four options: 94 Hz, 105 Hz, 111 Hz, and 128 Hz, making it easy to choose a frequency that minimizes the effects of interference, even in difficult situations.

Advanced Display for Clarity

The DET4 Series provides an easily readable analog or digital display (depending on model), ensuring you can view your measurements clearly under various lighting and environmental conditions. The data hold function further facilitates effortless reading, making the tester suitable for both on-site and laboratory applications.

Built for Durability and Safety

With a rugged, dual-insulated enclosure made of high-impact ABS plastic and an IP54 rating, the tester is built to withstand harsh environments. Extensive shock, dust, and splash resistance, along with overvoltage and CAT IV 100V protections, ensure user safety and equipment longevity during regular use.

Comprehensive Testing Accessories

Each DET4 Series tester comes with a complete set of accessories, including test leads, earth spikes, and a carry bag for convenience. These comprehensive accessories allow you to start testing immediately, facilitating fieldwork across various sites with ease.

FAQ's of Four-Terminal earth/ground resistance testers DET4 series:

Q: How do I use the DET4 Series Earth/Ground Resistance Tester correctly?

A: To use the DET4 Series, connect the supplied test leads and earth spikes according to the tester's instructions. Select the desired test current, place the electrodes in the ground as specified, and read the resistance value directly from the large display. The tester automatically compensates for lead resistance, ensuring accurate results.

Q: What applications are suitable for the DET4 Series resistance testers?

A: The DET4 Series is ideal for measuring earth and ground resistance, as well as soil resistivity, in power installations, construction sites, substations, and other electrical maintenance environments. Its accuracy and rugged design make it perfect for fieldwork and regular inspections in challenging conditions.

Q: When should I use the selectable test current feature on this tester?

A: The selectable test current, up to 2 mA, is particularly useful when testing different soil types or installation configurations, allowing you to optimize measurements for accuracy and avoid interference from stray currents or ground noise.

Q: Where can I operate the DET4 Series resistance tester?

A: Thanks to its IP54 rating and shock-resistant, portable design, the tester can be used both indoors and outdoors. It functions reliably in temperatures ranging from -10C to +55C, making it suitable for diverse Indian climates and work sites.

Q: What is the process for measuring soil resistivity with the DET4 Series?

A: To measure soil resistivity, set up the four electrodes in a straight line at equal distances. Connect the tester's leads, select the appropriate settings, and use the reading in the standard soil resistivity formula. Automatic lead resistance compensation and data hold functions simplify this process.

Q: What are the benefits of having overvoltage protection and a high safety rating?

A: Overvoltage protection and a CAT IV 100V rating safeguard the user and equipment against accidental electrical surges, reducing risk during high-stake measurements and ensuring reliable operation in demanding installations.

Q: How does the automatic lead resistance compensation enhance measurement accuracy?

A: Automatic lead resistance compensation corrects any errors introduced by the test leads, ensuring that the resistance value displayed reflects actual ground or earth resistance, resulting in highly precise and trustworthy measurements.

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