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Digital ground resistance tester DET3TD

Digital ground resistance tester DET3TD Specification

Usage & Applications
Testing earth/ground resistance at electrical installations, substations, and earthing networks

Batteries Type
8 x 1.5V AA batteries

Pressure
Atmospheric

Accuracy
2% of reading 3 digits

Resistant Feature
Shock, water, and dust-resistant

Product Type
Digital ground resistance tester

Material
ABS Plastic

Measuring Voltage Range
0~2000

Operating Temperature
-10C to 55C

Frequency (MHz)
50/60Hz

Insulation Box
Yes

Protection System
Waterproof and dustproof (IP54)

Size
Handheld/Portable

Color
Dark Grey/Red

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

Weight
Approximately 1 kg

Data Hold Function
Yes (Memory Feature)

Auto Power Off
Yes

Earth Voltage Measurement Range
0-200V AC (40-500Hz)

Display Type
Large clear digital LCD

Low Battery Indication
Yes

Test Current
Max 3mA

Overload Protection
Automatic

Included Accessories
Test leads, earth spikes, carrying case, user manual

Test Voltage Options
25V / 50V / 100V / 200V / 500V

Digital ground resistance tester DET3TD 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 Digital ground resistance tester DET3TD

2 and 3 point testing
Selectable 25 V or 50 V output
IP54 rated
Complete with leads, stakes and rugged carry case
Simple one-button operation
Calibration test certificate included
Optional earth testing kit (ETK) available

The DET3TD Digital ground resistance tester is ideal for basic requirements as it provides digital ground testing and bond test capabilities. Similar to the DET3TC, this instrument comes with a complete kit: instrument, test leads, stakes, batteries, calibration certificate, and a tough polypropylene carry case.

As with the DET3TC, the DET3TD is easy to use, with the ground rod tester rated to IP54, making it a hardy outdoor instrument. Using the optional clamp around the ground rod connection allows the testing of the rod without the need for disconnection, leaving the earthing system intact during testing (ART). A large, clear, easy-to-read LCD display and thumb-sized test button also makes the instrument particularly suited outdoor conditions.

In addition to its ease of use, the DET3TD (and the DET3TC) also automatically checks the connection and condition of the P and C spike, indicating the status on the display. The instrument also includes a voltmeter to allow you to measure the ground voltage and can measure resistance from 0.01 through to 2000 and earth voltages up to 100 V. To allow accurate testing in noisy environments, the instrument is capable of rejecting noise of up to 40 V peak to peak.

Exceptional Measurement Accuracy

With an accuracy of 2% of reading plus 3 digits, the DET3TD ensures precise earth resistance results. Built-in test voltage options enable tailored testing for various grounding scenarios, and a maximum test current of 3mA safeguards sensitive circuits during examination.

Rugged and Reliable Construction

The tester boasts a waterproof and dustproof ABS plastic enclosure, providing IP54-rated protection for use in demanding field conditions. Its shock-resistant design and lightweight portability make it an ideal tool for field engineers and electricians working at remote or industrial locations.

User-Friendly Operation and Advanced Features

Easy-to-read large digital LCD, data hold memory, automatic overload protection, and intuitive controls streamline the testing process. The tester also includes a battery status indicator, automatic power-off function, and a comprehensive set of accessories for immediate deployment.

FAQ's of Digital ground resistance tester DET3TD:

Q: How does the DET3TD Digital Ground Resistance Tester operate in different testing environments?

A: The DET3TD is designed for use in a variety of locations, from electrical substations to general installations, thanks to its weather-resistant, IP54-rated casing. It operates reliably in temperatures ranging from -10C to 55C and in atmospheric pressure, providing accurate measurements in both indoor and outdoor environments.

Q: What is the process for measuring earth resistance using the DET3TD?

A: To measure earth resistance, connect the supplied test leads and earth spikes according to the user manual. Select the appropriate test voltage from the available options (25V/50V/100V/200V/500V), and initiate the test. The large digital LCD displays the resistance reading clearly, and you can use the data hold function to store readings for later reference.

Q: When should the data hold memory feature be used, and what are its benefits?

A: The data hold memory function should be used when you need to retain a measured value, especially in challenging environments where reading the display immediately is difficult. This feature ensures you do not lose crucial data when moving the tester or while recording multiple results.

Q: What protection systems are integrated into the DET3TD to ensure user safety and reliable measurements?

A: The DET3TD has automatic overload protection to prevent damage during unexpected surges and features a waterproof, dustproof (IP54), and shock-resistant enclosure. It also has low battery indication and auto power-off to help avoid operational errors due to insufficient power.

Q: Where is the DET3TD most beneficial for use?

A: This tester is ideal for professionals working on electrical installations, substations, and earthing networks, especially in environments with high risk of exposure to dust, water, or physical impact. Its portability and comprehensive protection features make it suitable for both on-site testing and fieldwork.

Q: How does the auto power-off function improve battery efficiency?

A: The auto power-off function automatically turns off the tester after a period of inactivity, conserving battery life and ensuring prolonged operation during field assignments. Using standard AA batteries makes replacements straightforward and convenient.

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