# Sonel MRU-12 Earth Resistance and Soil Resistivity Meter, LCD, IP65, 20 mA

**URL:** https://aio.lv/en/product--sonel-wmplmru12--12461559
**Data updated:** 2026-05-18 09:35 (EEST)
**Category:** Measuring tools
**Manufacturer:** Sonel
**Manufacturer code:** WMPLMRU12
**EAN:** 5907624021679
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 734.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 607.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonel-wmplmru12--12461559

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Sonel MRU-12 is a professional earth resistance and soil resistivity meter designed for precise electrical measurements. Featuring an IP65-rated housing for durability, it provides reliable data with a 20 mA measurement current. This device is essential for testing grounding systems, lightning protection, and soil conductivity in industrial and residential electrical installations.

## Long description

The Sonel MRU-12 is a professional-grade earth resistance and soil resistivity meter engineered for high-precision electrical testing. This robust device is designed to perform reliable measurements in various environments, ensuring the safety and integrity of grounding systems and lightning protection installations. With its durable IP65-rated housing, the meter is well-protected against dust and moisture, making it a dependable tool for field work in both industrial and residential sectors.
Advantages
The primary benefit of the Sonel MRU-12 lies in its ability to deliver accurate results using a 20 mA measurement current, which minimizes interference and ensures consistent data collection. Its rugged construction allows for operation in challenging outdoor conditions, while the intuitive interface simplifies the measurement process for technicians. By providing precise soil resistivity data, the device enables engineers to design more effective grounding grids and optimize electrical safety protocols across diverse installations.
Suitable for
Testing grounding systems in residential and industrial buildings
Measuring soil resistivity for electrical engineering projects
Verifying the effectiveness of lightning protection systems
Conducting periodic maintenance checks on electrical installations
When it may not be suitable
This device is specifically calibrated for earth resistance and soil resistivity measurements and may not be suitable for general-purpose electrical troubleshooting, such as measuring voltage or current in live circuits. It is also not intended for high-voltage insulation resistance testing.
Key specifications
Measurement current: 20 mA
Ingress protection rating: IP65
Display type: Integrated LCD
Primary functions: Earth resistance and soil resistivity measurement
How to use
To operate the Sonel MRU-12, connect the appropriate test leads to the device terminals and the grounding electrodes according to the required measurement method. Ensure the electrodes are properly driven into the soil to establish a good electrical connection. Select the desired measurement function on the device interface and initiate the test. The meter will process the signal and display the resistance or resistivity value on the LCD screen, allowing for immediate data recording and analysis.
What to consider before purchase
Verify that the measurement range meets your specific project requirements
Ensure you have the necessary auxiliary electrodes and test leads for your intended application
Consider the environmental conditions of your work site to ensure the IP65 rating is sufficient
Usage recommendations
Always ensure that the area being tested is de-energized before connecting the meter to prevent damage to the equipment and ensure operator safety. Regularly calibrate the device to maintain measurement accuracy over time.

## FAQ

### How much does the Sonel MRU-12 Earth Resistance and Soil Resistivity Meter cost, and is it available for purchase?

The price is 734.49 € (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 09.07.2026 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-12 Earth Resistance and Soil Resistivity 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/12461559/68763480_large.webp