DET4TR2 - Measuring equipment Megger - Free user manual and instructions
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| Type | Digital Earth/Resistance Tester |
| Model | DET4TR2 |
| Brand | Megger |
| Category | Measuring Equipment |
| Measurement Functions | Earth resistance, soil resistivity, bonding resistance |
| Test Methods | 2-pole, 3-pole, 4-pole (Fall-of-Potential) |
| Display | LCD with backlight |
| Resistance Ranges | Earth: up to 200 kΩ; Bonding: up to 2000 Ω |
| Accuracy | ±2% of reading + digits |
| Test Frequency | 128 Hz |
| Power Supply | 6 x AA batteries (1.5V) |
| Battery Life | Approx. 3000 tests |
| Dimensions | 203 x 148 x 94 mm |
| Weight | 1 kg (approx) |
| Environmental Protection | IP54 |
| Safety Rating | CAT III 300V |
| Standards Compliance | IEC 61557 |
| Additional Features | Data hold, auto-off, low battery indication |
| Accessories Included | Test leads, probes, batteries, carrying case |
| Maintenance | Clean with dry cloth; store in dry place |
| Calibration | Recommended annually |
| Repairability | Service by authorized centers only |
Frequently Asked Questions - DET4TR2 Megger
What is the Megger DET4TR2 used for?
The DET4TR2 is a digital earth tester used to measure earth resistance, soil resistivity, and bonding resistance. It is ideal for grounding system testing in electrical installations.
How do I perform a 3-pole earth resistance test?
Connect the test leads: P1 and C1 to the electrode under test, P2 to the potential spike, and C2 to the current spike. Select the 3-pole mode and press the test button. The display shows the resistance value. Ensure spikes are at the correct distance per the manual.
What batteries does the DET4TR2 use?
It uses 6 x AA alkaline batteries (1.5V). For long battery life, use high-quality cells. Replace all batteries when the low battery indicator appears.
Is the DET4TR2 weatherproof?
Yes, it has an IP54 rating, meaning it is protected against dust and splashing water. However, it is not submersible. Avoid using in heavy rain.
How often should I calibrate the DET4TR2?
Megger recommends annual calibration to maintain accuracy. Calibration should be performed by a certified service center. The device may also require recalibration after repair.
Can I measure soil resistivity with the DET4TR2?
Yes, using the 4-pole method (Wenner test). Connect four probes in a line at equal spacing. The device calculates resistivity in Ω·m based on the spacing and resistance reading.
What does the auto-off feature do?
The auto-off feature automatically turns off the device after a period of inactivity (typically 5 minutes) to conserve battery life. The device can be reactivated by pressing the power button.
Is it safe to use the DET4TR2 in wet conditions?
The device is rated CAT III 300V and IP54, so it is safe for use in damp environments, but avoid direct water exposure. Ensure test leads are dry and in good condition to prevent electrical hazards.
How do I replace the batteries?
Turn off the device and remove the battery cover on the bottom. Replace all six AA batteries with fresh ones, observing polarity markings. Reattach the cover securely. Do not mix old and new batteries.
What accessories are included with the DET4TR2?
The standard accessory kit includes: a set of test leads (with clips and probes), two earth spikes, six AA batteries, a carrying case, and a user manual. Additional accessories, such as longer leads, are available separately.
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Product information
Brand : Megger
Model : DET4TR2
Category : Measuring equipment