# Sonel MRU-120 Earth Resistance Meter

**URL:** https://aio.lv/en/product--sonel-wmplmru120--12454940
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** Measuring tools
**Manufacturer:** Sonel
**Manufacturer code:** WMPLMRU120
**EAN:** 5907624015364
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 748.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 1 445.03 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonel-wmplmru120--12454940

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Sonel MRU-120 is a professional earth resistance meter designed for precise electrical measurements. It is ideal for testing grounding systems, lightning protection, and soil resistivity. This reliable device ensures accurate diagnostics in industrial and commercial electrical installations, providing essential data for safety compliance and maintenance of electrical infrastructure.

## Long description

The Sonel MRU-120 Earth Resistance Meter is a professional-grade diagnostic tool engineered for high-precision electrical measurements. This device is specifically designed to evaluate the integrity of grounding systems, lightning protection installations, and soil resistivity. By providing reliable and accurate data, it serves as an essential instrument for technicians and engineers responsible for the safety, maintenance, and compliance of industrial and commercial electrical infrastructures.
Advantages
The primary strength of the Sonel MRU-120 lies in its ability to perform complex measurements with high accuracy even in challenging environmental conditions. Its robust construction ensures durability during field operations, while the intuitive interface allows for efficient data collection and analysis. The device supports multiple measurement methods, providing versatility for various grounding configurations and ensuring that users can obtain precise results regardless of the specific site requirements.
Suitable for
Testing grounding systems in industrial facilities
Verifying lightning protection installations
Measuring soil resistivity for electrical design
Routine maintenance of electrical infrastructure
Safety compliance testing for commercial buildings
When it may not be suitable
This device may not be the optimal choice for basic residential electrical troubleshooting where simpler, less specialized equipment is sufficient. It is also not intended for measuring high-voltage power lines or active electrical circuits that exceed the specified safety ratings of the instrument.
Key specifications
Measurement of earth resistance using 2-pole, 3-pole, and 4-pole methods
Soil resistivity measurement capability
High resistance to electromagnetic interference
Rugged housing suitable for field use
Clear digital display for data visualization
How to use
To operate the Sonel MRU-120, connect the appropriate test leads to the device terminals according to the chosen measurement method. Place the auxiliary probes into the soil at the required distances to ensure accurate readings. Select the desired measurement function on the device interface and initiate the test. The meter will automatically process the signal and display the resistance or resistivity value on the screen, which can then be recorded for documentation purposes.
What to consider before purchase
Verify that the measurement range meets your specific project requirements
Ensure you have the necessary auxiliary probes and leads for your intended applications
Check the calibration status and maintenance requirements for long-term accuracy
Usage recommendations
Always ensure that the grounding system is disconnected from the main power supply before performing measurements to prevent interference and ensure operator safety. Regularly inspect test leads for signs of wear or damage to maintain measurement precision.

## FAQ

### How much does the Sonel MRU-120 Earth Resistance Meter cost, and is it available for purchase?

The price is 1,748.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Sonel MRU-120 Earth Resistance Meter be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sonel products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sonel service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12454940/68757325_large.webp