# Sonel MPI-520 Multifunction Electrical Installation Tester

**URL:** https://aio.lv/en/product--sonel-wmplmpi520--11373768
**Data updated:** 2026-05-18 02:51 (EEST)
**Category:** Miscellaneous repair tools
**Manufacturer:** Sonel
**Manufacturer code:** WMPLMPI520
**EAN:** 5907624013148
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 820.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 1 504.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonel-wmplmpi520--11373768

## 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 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Sonel MPI-520 is a professional multifunction electrical installation tester designed for comprehensive safety testing. It enables precise measurement of fault loop impedance, RCD parameters, insulation resistance, and earth resistance. This reliable device is essential for electricians and engineers performing periodic inspections and commissioning of low-voltage electrical systems in residential and industrial environments.

## Long description

The Sonel MPI-520 is a professional multifunction electrical installation tester engineered for comprehensive safety verification of low-voltage electrical systems. This robust instrument provides technicians and engineers with the capability to perform essential measurements required for commissioning and periodic maintenance in both residential and industrial settings. By integrating multiple testing functions into a single, reliable unit, it streamlines the workflow for verifying electrical safety standards.
Advantages
The primary advantage of the Sonel MPI-520 lies in its versatility and precision, allowing users to conduct a wide range of tests without the need for multiple specialized devices. Its ergonomic design ensures ease of use in demanding field conditions, while the high-quality internal components deliver consistent and accurate results. The device is built to withstand the rigors of daily professional use, providing long-term reliability for electrical inspections.
Suitable for
Periodic inspections of electrical installations
Commissioning of new low-voltage systems
Verification of RCD performance
Measurement of insulation resistance in wiring
Testing of earth resistance and fault loop impedance
When it may not be suitable
This device is specifically designed for low-voltage electrical installations and is not suitable for high-voltage power grid testing or specialized industrial electronics diagnostics that require different measurement ranges or safety categories.
Key specifications
Measurement of fault loop impedance
RCD parameter testing
Insulation resistance measurement
Earth resistance measurement
Designed for low-voltage electrical systems
How to use
To use the Sonel MPI-520, connect the appropriate test leads to the device terminals according to the specific test being performed. Select the desired measurement function using the intuitive interface. Ensure the system under test is properly configured and follow the safety guidelines provided in the user manual. Once the leads are connected to the installation points, initiate the measurement and observe the results on the clear display.
What to consider before purchase
Ensure the device meets the specific regulatory requirements for your region
Verify that the measurement ranges align with your typical electrical installation projects
Consider the need for periodic calibration to maintain measurement accuracy
Usage recommendations
Always verify that the electrical system is in a safe state before connecting the tester and ensure that all safety protocols for working with low-voltage installations are strictly followed during operation.

## FAQ

### How much does the Sonel MPI-520 Multifunction Electrical Installation Tester cost, and is it available for purchase?

The price is 1,820.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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 MPI-520 Multifunction Electrical Installation Tester 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/11373768/65865071_large.webp