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Megger
Order Number: 1007-331

Megger DET24C Digital Earth Clamp Tester

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  • Measures ground resistance up to 1500 Ω and AC current up to 35.0 A (100 A continuous) with True RMS accuracy
  • Safety rated to CAT IV 600 V with IP30 protection and operates from -20 °C to +50 °C
  • Features a backlit LCD, automatic range selection, and data logging (256 or 2k records)
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Description

About this model

Introduction of Megger DET24C

The Megger DET24C digital earth clamp represents the latest generation of clamp-on resistance testers. These instruments introduce a test current into earth systems, measuring ground resistance in multi-ground installations without requiring ground disconnection. They provide industry-leading access, advanced features, user-friendly operation, and CAT IV 600 V safety protection.

The DET24C also features a true RMS AC measurement capability of up to 35 Amps. Its ability to measure current flowing through an earth cable adds an important safety dimension, particularly when the earth cable needs to be disconnected.

This clamp-on stakeless earth tester can also:

  • Balance elements of the ground to mitigate noise
  • Balance ground circuits
  • Measure continuity of ground circuits in headends and hubs

Understanding the Megger DET24C Digital Earth Clamp

Grounding integrity is the cornerstone of electrical safety and system reliability. The Megger DET24C digital earth clamp is engineered to simplify the complex task of verifying ground resistance without the logistical hurdles of traditional testing methods. As a sophisticated clamp-on resistance tester, this instrument introduces a specific test current into earth systems, allowing for precise measurements in multi-ground installations. The primary advantage of this technology is the elimination of the need to disconnect ground rods or disrupt ongoing operations, ensuring that safety and continuity are maintained at all times.

Designed for industrial environments, the DET24C offers industry-leading access to tight spaces and incorporates advanced features that streamline field workflows. With user-friendly operation and robust CAT IV 600 V safety protection, this device is built to withstand the rigors of high-voltage environments. When you are looking to buy the Megger DET24C, you are investing in a tool that prioritizes both accuracy and operator safety.

Technical Features and Field Applications of the Megger DET24C

The technical architecture of this clamp-on stakeless earth tester is designed for versatility and precision. One of the standout capabilities is the true RMS AC measurement function, which supports currents of up to 35 Amps. This feature is critical for accurately analyzing circuits with non-linear loads, ensuring that the readings reflect the true electrical environment rather than distorted averages. By providing reliable data in complex electrical networks, the Megger DET24C helps engineers make informed decisions quickly.

Beyond basic resistance testing, the instrument adds a vital safety dimension by measuring current flowing through an earth cable. This capability is particularly important when the earth cable needs to be disconnected, as it allows the operator to verify that no hazardous stray currents are present before breaking the circuit. This focus on safety makes the Megger DET24C price a worthwhile consideration for companies prioritizing operator protection.

The versatility of this device extends to its ability to balance elements of the ground to mitigate noise. In sensitive electronic installations, ground noise can cause significant interference and equipment malfunction. The DET24C allows technicians to balance ground circuits effectively, ensuring a stable reference potential. Additionally, it measures the continuity of ground circuits in headends and hubs, which is essential for maintaining the integrity of telecommunications and power distribution networks. For those seeking the best price on a tool that combines these multifaceted capabilities, the Megger DET24C stands out as a top contender.

Stakeless Testing: Convenience and Efficiency

Traditional ground resistance testing often involves the labor-intensive process of disconnecting parallel grounds, driving temporary test spikes into the earth, and managing long lead wires. The Megger DET24C eliminates these challenges through its stakeless, clamp-on methodology. By clamping around the earth conductor, the instrument completes the test loop without physical contact with the soil. This approach drastically reduces test times and allows for measurements in areas where driving stakes is impossible, such as on concrete surfaces or in densely populated urban grids.

The efficiency gained from stakeless testing translates directly into cost savings and increased productivity. Technicians can perform more tests in a single shift, covering extensive grounding networks without the need for heavy equipment or additional manpower. When you consider the Megger DET24C price, the return on investment becomes evident through the sheer volume of tests that can be conducted safely and rapidly. This method is particularly beneficial for routine maintenance programs where speed and reliability are paramount.

Specification
Ground Resistance
Range Resolution Intrinsic Certainty
0.05 Ω - 0.99 Ω 0.01 Ω ±1.5% ±0.05 Ω
1.00 Ω - 9.99 Ω 0.01 Ω ±1.5% ±0.1 Ω
10.0 Ω - 99.9 Ω 0.1 Ω ±2% ±0.5 Ω
100.0 Ω - 199.9 Ω 0.1 Ω ±5% ±1 Ω
200 Ω - 400 Ω 1 Ω ±10% ±10 Ω
400 Ω - 600 Ω 1 Ω ±10% ±10 Ω
600 Ω - 1200 Ω 10 Ω ±20%
1200 Ω - 1500 Ω 10 Ω ±35%
Frequency of measurement 1390 Hz
Note: The specification stated above is only maintained if the Jaws of the DET14C and DET24C are kept clean at all times.
Alarm Settings
Type Range Resolution
Threshold 1 1 Ω - 1500 Ω 1 Ω
Threshold 2 1 Ω - 1500 Ω 1 Ω
Current Measurement (RMS)
Range Resolution Intrinsic Certainty
0.5 mA - 0.99 mA 0.01 mA ±2% ±0.05 mA
1.00 mA - 9.99 mA 0.01 mA ±2% ±0.05 mA
10.0 mA - 99.9 mA 0.1 mA ±2% ±0.1 mA
100 mA - 999 mA 1 mA ±2% ±1 mA
1.00 A - 9.99 A 0.01 A ±2% ±0.01 A
10.0 A - 35.0 A 0.1 A ±2% ±0.1 A
True RMS readings up to a crest factor of 5.0 (peak current 40 A).
Accuracy guaranteed at 50 Hz and 60 Hz.
Measurement over the range 16 Hz - 400 Hz.
Maximum current: 100 A rms continuous and 200 A rms for 60 s max at 50 Hz and 60 Hz
Physical Characteristics
Parameter Details
Maximum jaw opening 39 mm
Maximum jaw inner dimensions 39 mm x 55 mm
Display 4 + 6 digit with backlight
Battery type 4 x 1.5 V IEC LR6/AA alkaline
Battery life 24 hours continuous testing – see Note 1
Note 1: Whilst measuring a 25 Ω resistance without backlight
Auto power down 300 s (reset by jaw action or button press)
Data logging DET14C: 256 records, DET24C: 2 k records
Data download Bluetooth® interface (DET24C only)
Range selection Automatic within each mode
Sampling time <1 s
Hold function Yes with visual indicator
Alarm function Yes with visual indicator
Alarm/warning buzzer Yes
Operating temperature -20 °C to +50 °C at <85% RH
Storage temperature -40 °C to +60 °C at <75% RH
IP rating IP30 with jaws closed
Safety EN 61010-2-032, CAT IV 600 V, Pollution degree 2
EMC Class B Compliant, IEC 61326, BSEN 61326
Dimensions 248 mm (l) x 114 mm (b) x 49 mm (h)
Weight 985 g
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FAQs & How To

FAQs

It is used to measure earth resistance and ground loop resistance without disconnecting the grounding system.
Clamp-on testers allow ground resistance measurements without auxiliary rods or disconnecting conductors, saving time during inspections.
You can buy it through uazon.ae from an authorized distribiutor offering genuine Megger equipment.
Yes, it is commonly used in grounding inspections, safety verification, infrastructure maintenance, and electrical engineering diagnostics.

How To

Simple guide to measure ground resistance using the Megger DET24C Digital Earth Clamp Tester during electrical grounding inspections.

Estimated Time: PT15M

Ensure the Megger DET24C Digital Earth Clamp Tester is powered on and the grounding conductor you want to test is accessible and safe to measure.
Open the clamp and place it around the grounding conductor or earth cable without disconnecting the system.
Initiate the measurement using the tester controls and allow the instrument to analyze the ground loop resistance.
Check the displayed earth resistance value on the screen and record the result for your inspection or engineering report.
Document the readings as part of your maintenance, safety verification, or grounding inspection project.
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