# Ergom WJN 1 Voltage Tester

**URL:** https://aio.lv/en/product--ergom-e07mt-01010100103--12454030
**Data updated:** 2026-05-18 02:41 (EEST)
**Category:** Measuring tools
**Manufacturer:** Ergom
**Manufacturer code:** E07MT-01010100103
**EAN:** 5900003787074
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ergom-e07mt-01010100103--12454030

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Ergom WJN 1 is a professional voltage tester designed for reliable electrical circuit diagnostics. This compact and durable tool allows for quick and safe verification of voltage presence in electrical installations. It is an essential device for electricians and maintenance professionals, ensuring accurate performance during routine checks and troubleshooting in various electrical systems.

## Long description

The Ergom WJN 1 voltage tester is a professional-grade diagnostic tool engineered for the precise verification of voltage in electrical circuits. Designed with safety and efficiency in mind, this compact device allows users to quickly confirm the presence of electrical current in various installations. Its robust construction ensures reliable performance, making it an indispensable instrument for electricians, technicians, and maintenance staff who require accurate results during routine inspections and electrical troubleshooting tasks.
Advantages
The primary benefit of the Ergom WJN 1 is its high level of reliability and ease of use in demanding professional environments. Its ergonomic design facilitates comfortable handling during extended diagnostic sessions, while the durable materials used in its manufacturing provide long-term resistance to wear. By offering a straightforward method for detecting voltage, it significantly reduces the time required for circuit analysis, thereby enhancing overall workplace productivity and safety standards.
Suitable for
Routine electrical circuit diagnostics
Verification of voltage presence in residential and commercial installations
Troubleshooting electrical faults
Maintenance checks in industrial environments
When it may not be suitable
This device is intended for standard voltage verification and may not be suitable for high-voltage industrial applications or specialized electronic testing that requires advanced digital measurement features. It should not be used for tasks requiring precise voltage level quantification or complex signal analysis.
Key specifications
Compact and portable design
Professional-grade build quality
Designed for electrical circuit diagnostics
Safe voltage presence verification
How to use
To use the Ergom WJN 1, ensure that the device is in good physical condition before each operation. Place the testing probe in contact with the electrical point or conductor you wish to verify. The device will indicate the presence of voltage through its integrated signaling mechanism. Always follow standard electrical safety protocols and wear appropriate personal protective equipment when working with live circuits.
What to consider before purchase
Verify that the voltage range of the device matches your specific application requirements
Ensure the tool is appropriate for the type of electrical system you are testing
Check for compatibility with local electrical safety standards
Usage recommendations
Always perform a functional test on a known live source before and after using the tester to ensure the device is operating correctly. Never exceed the rated voltage limits specified for this tool.

## FAQ

### How much does the Ergom WJN 1 Voltage Tester cost, and is it available for purchase?

The price is 2.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 136 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 02.07.2026 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. 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 Ergom 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 Ergom 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/12454030/68756529_large.webp