Megger DET4TC2 Digital Earth Tester

Megger

£998.00 / £1,197.60 incl VAT

⚡ Two-, three-, and four-pole testing for a wide range of ground-testing applications
⚡ Selectable voltage outputs of 25V and 50V with multiple frequency options (94Hz, 105Hz, 111Hz, 128Hz)
⚡ Adjustable current outputs of 4.5mA, 0.45mA, and 0.045mA for flexible testing
⚡ Resistance measurement range from 0.01Ω to 200kΩ and ground noise voltage from 1V to 100V
⚡ Cat IV rated up to 100V for enhanced safety and reliability in all environments

Available on back-order

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Description

Megger DET4TC2 Digital Earth Tester 

Product Description: 

The Megger DET4TC2 Digital Earth Tester offers a versatile and user-friendly solution for ground testing, combining advanced capabilities with ease of operation. This tester supports two-, three-, and four-pole testing and includes options for leakage current measurement and ground noise voltage assessment. The tester offers selectable test voltages of 25V and 50V, with a range of frequencies and current outputs, enabling highly accurate and comprehensive testing. Its large dial switch and push buttons allow for seamless operation, even when wearing gloves, while its backlit screen ensures that results are easy to read in any lighting conditions.

The Megger DET4TC2 is designed for accurate measurements, even in noisy environments, with the ability to reject interference up to 40V peak to peak. With a resistance range from 0.01Ω to 200kΩ, ground noise voltage measurement from 1V to 100V, and current measurement from 1mA to 20A, this tester meets all the necessary requirements for reliable ground testing. It is powered by eight AA batteries and is safety-rated to Cat IV up to 100V, ensuring compliance with safety standards. The Megger DET4TC2 also comes with a calibration certificate, hard carry case, and necessary accessories to make it a complete and professional solution for all ground-testing needs.

Key Features: 

  • Two-, three-, and four-pole testing for a range of ground-testing applications
  • Simple operation, even when wearing gloves, thanks to the large dial switch and big push buttons
  • Selectable voltage outputs of 25V and 50V for flexible testing
  • Multiple frequency options (94Hz, 105Hz, 111Hz, 128Hz) to ensure accuracy in different environments
  • Adjustable current outputs of 4.5mA, 0.45mA, and 0.045mA to suit varying ground conditions
  • Resistance measurement range of 0.01Ω to 200kΩ for precise results
  • Ground noise voltage measurement from 1V to 100V to assess interference levels
  • Current measurement from 1mA to 20A for a full understanding of the earth connection
  • Cat IV rated up to 100V for added safety and protection
  • Easy-to-read backlit display for clear results in any lighting

What’s Included: 

  • Megger DET4TC2 Digital Earth Tester
  • Instrument instructions
  • Stake and wire kit (15m, 10m, 10m, 3m)
  • Right-angle terminal adaptors (for connecting bare wires to terminals)
  • Calibration certificate
  • Hard carry case
  • Ingress protection: IP54
  • C spike, P stake and noise check: Automatic
  • Noise rejection: 40 V peak to peak
  • 2-wire, 3-wire test, 4-wire test: Yes, no shorting links required
  • Instrument output – Voltage: ±25 V or ±50 V at 128 Hz
  • Instrument output – Current: 4.5 mA or 0.45 mA
  • Resistance range: 0.01 Ω to 20 kΩ
  • Earth voltage range: 0 – 100 V
  • Resistance accuracy: 2% ±3 digits (2P/3P/4P measurements)
  • Maximum probe resistance – Rp/Rc limit: 100 kΩ (50 V output voltage)
    Limits reduced to 50 kΩ for 25 V output voltage
    Limits reduced to 5 kΩ for 0.01 Ω resolution
  • Ground voltage range: 0 to 100 V a.c.
  • Ground voltage accuracy: 2%  ±2 V
  • Display: 3 1⁄2 high contrast liquid crystal
  • Battery type (DET4TD2): 8 off AA (LR6) cells
  • Operating temperature range: -15 to +55 °C / 5 to 131 °F
  • Storage temperature range: -40 to +70 °C / -40 to 158 °F
  • Safety: Complies with the requirements of IEC61010-1, 100 V CAT IV between terminal pairs. ( The CAT IV 100 V is dependent on the use of a leadset of at least this rating, for example the optional two wire leadset part number 1001-858.)
  • EMC: In accordance with IEC61326-1
  • Standards Compliance: Complies with the requirements of KEMA K85B. Complies with the following parts of EN61557, Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. – Equipment for testing, measuring or monitoring of protective measures. Part 1 – General requirements, Part 5 – Resistance to earth
  • Dimensions: 203 x 148 x 78 mm (8 x 5.8 x 3 inches)
  • Weight: 1 kg (2.2lb)
  • Part number: 1000-347
  • Megger DET4TD2 Earth Tester
  • Stake and Wire Kit (15m, 10m, and 3m)
  • Right Angle Terminal Adaptors (for connecting bare wires to terminals)
  • Hard Carry Case
  • Calibration Certificate
  • Batteries

🚚 Testersmans Shipping Policy

Free Mainland GB Delivery Over £150

We offer free delivery on most mainland Great Britain orders over £150 (ex VAT).
This applies across England, Wales, and most of Scotland, excluding certain remote or offshore postcodes.

If your order total falls just short of £150, or you’re a returning customer, feel free to contact us — we may be able to offer a discount code or delivery workaround.
📞 01945 738112 | ✉️ sales@testermans.co.uk


📦 UK Delivery Options

We work with both Royal Mail and DHL to offer reliable and flexible delivery across the UK:

  • Royal Mail – Best suited for lighter parcels and for customers in remote regions, including the Highlands, Islands, and Northern Ireland.
  • DHL – Ideal for most mainland UK orders, providing fast, tracked delivery and excellent reliability for time-sensitive shipments.

Our checkout system automatically displays the available delivery services for your postcode and order weight, ensuring you always see the most suitable options.

Note: Heavy, bulky, or freight-only orders will be charged separately.
Our website is designed for quick, transactional purchases rather than bulk or palletised orders.
Please contact us in advance for a tailored freight quotation if your order falls into this category.


⏱ Dispatch & Delivery Timing

We aim to dispatch all in-stock orders promptly, but delivery depends on both when you order and which service you select.

  • UK orders: placed by 2:00 PM Monday–Friday are usually dispatched the same day.
  • International orders: placed by 2:00 PM Monday–Thursday are usually dispatched the same day.

Orders placed after these times are processed the next working day. This means delivery may occur the following day or later, depending on the courier and service selected.

Once dispatched, your chosen delivery service determines how quickly your parcel arrives:

  • Standard services We use Royal Mail Tracked 24 or DHL Parcel as our ‘Standard’ services. They are not guaranteed to arrive next working day.
  • Premium services (e.g. Royal Mail Special Delivery or DHL by Noon) offer guaranteed delivery windows.

If your order is time-sensitive, we strongly recommend choosing a guaranteed service or contacting us before ordering to confirm availability.

Please note: For logistical reasons, we may occasionally adjust the delivery method selected at checkout. For example, smaller items may be better suited to letterbox-friendly packaging or may be at greater risk of delay or loss via certain services. We actively monitor courier and postal service disruptions—including strikes and delays—and may modify shipping arrangements to help ensure timely and secure delivery.


📅 Busy Periods & Delays

We always aim to dispatch promptly, but delivery times may be affected by:

  • Seasonal demand (e.g. Christmas, bank holidays, or industry shutdowns)
  • Courier network delays outside our control
  • Supplier lead times or calibration requirements for certain equipment

If your delivery is time-critical, please contact us before ordering so we can confirm stock and courier availability.


🌍 International Shipping

We ship worldwide using UPS Express Saver® and other trusted global courier partners. All international shipments are tracked and generally dispatched Monday to Thursday to ensure smooth customs clearance and transit.

Estimated delivery times:

  • Europe: 1–2 working days
  • North America: 2–3 working days
  • Asia-Pacific & Rest of World: 3–5 working days

Delivery times vary depending on location, customs clearance, and local courier performance.


💰 Taxes, Customs & Import Duties

International customers are responsible for any applicable taxes, customs charges, or import duties.
These are not included in our product or shipping prices.

Your courier will typically provide a secure payment link for any import charges once your parcel reaches customs.
If import fees are refused and the parcel is returned, we will issue a refund minus all incurred shipping and return costs.


📍 Using Your Own Courier

If you would prefer to arrange collection via your own courier (UK or international), please contact us before placing your order to coordinate collection from our Wisbech warehouse.


📝 Important Notes

  • Please ensure your delivery address and contact number are correct at checkout.
  • Undelivered parcels may be returned to us after a short holding period.
  • Redelivery or return fees may apply, even if your order originally qualified for free delivery.
  • By placing an order, you confirm your understanding and acceptance of this policy.