# Sonel MZC-20E Short-Circuit Loop Impedance Meter

**URL:** https://aio.lv/en/product--sonel-wmplmzc20e--12454957
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** Measuring tools
**Manufacturer:** Sonel
**Manufacturer code:** WMPLMZC20E
**EAN:** 5907624024458
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Sonel MZC-20E is a professional short-circuit loop impedance meter designed for electrical safety testing. This device allows for precise measurement of fault loop parameters in low-voltage networks, ensuring compliance with safety standards. It is an essential tool for electricians and maintenance technicians performing periodic inspections and verification of electrical installations in residential and industrial environments.

## Long description

The Sonel MZC-20E is a professional short-circuit loop impedance meter engineered for rigorous electrical safety testing in low-voltage networks. This precision instrument is designed to measure fault loop parameters accurately, providing the data necessary to verify the effectiveness of protection against electric shock. It serves as a reliable solution for professionals tasked with ensuring that electrical installations meet safety regulations and operational standards in both residential and industrial settings.
Advantages
The device offers high measurement accuracy, which is critical for identifying potential hazards in electrical systems. Its robust construction ensures durability during daily field use, while the intuitive interface allows for efficient operation by technicians. By providing quick and reliable results, the meter helps streamline the process of periodic inspections and fault finding, ultimately contributing to the overall safety and reliability of electrical infrastructure.
Suitable for
Periodic verification of electrical installations
Testing protection against electric shock in low-voltage networks
Maintenance and diagnostic tasks in residential buildings
Industrial electrical system inspections
When it may not be suitable
This device is specifically calibrated for low-voltage networks and is not intended for use in medium or high-voltage power systems. It may also not be suitable for specialized laboratory research requiring extreme precision beyond standard electrical installation testing requirements.
Key specifications
Measurement of short-circuit loop impedance
Designed for low-voltage electrical networks
Professional-grade accuracy for safety verification
Compact and portable design for field work
How to use
To use the Sonel MZC-20E, connect the test leads to the appropriate terminals on the device and the electrical circuit under test. Ensure the system is powered according to the manufacturer's safety guidelines. Select the desired measurement function on the interface and initiate the test. The device will automatically process the loop impedance and display the results on the screen for immediate analysis.
What to consider before purchase
Compatibility with your specific low-voltage network requirements
Frequency of use for periodic electrical inspections
Need for professional-grade safety verification tools
Usage recommendations
Always ensure that the electrical installation is de-energized or properly isolated before connecting test equipment, unless the device is specifically rated for live testing. Follow all local safety regulations and wear appropriate personal protective equipment during operation.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### 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

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