# Relay Tester Voltcraft RT-100 — for testing relays 12 V to 230 V

**URL:** https://aio.lv/en/product--voltcraft-rt-100--1613549
**Data updated:** 2026-02-12 09:43 (EET)
**Category:** Miscellaneous repair tools
**Manufacturer:** Voltcraft
**Manufacturer code:** RT-100
**EAN:** 4016138755220
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 69.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 57.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--voltcraft-rt-100--1613549

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Voltcraft RT-100 relay tester designed to check electromechanical relays across a voltage range of 12 V to 230 V. Compact single-piece unit for functional testing of relay switching, coil continuity and contact operation. Suitable for workshop diagnostics, maintenance and field service to quickly verify relay performance and reduce troubleshooting time.

## Long description

The Voltcraft RT-100 relay tester is a compact, single-piece device designed to verify the operation of electromechanical relays across a wide voltage range from 12 V to 230 V. It provides a simple way to check coil continuity, confirm switching action and observe contact operation without dismantling the relay from its socket. The lightweight tester is intended for workshop diagnostics, maintenance checks and field service tasks where quick validation of relay performance reduces troubleshooting time.
Advantages
The tester supports a broad input voltage range, enabling use on automotive 12 V systems as well as industrial and domestic supplies up to 230 V. Its single-unit design allows direct connection to relay pins for immediate functional testing, and visible indications make it straightforward to determine whether coils and contacts are operating correctly. The compact build makes the device portable for on-site work and routine servicing.
Suitable for
 Workshop relay diagnostics and repair
 Maintenance checks in industrial control panels
 Field service and onsite troubleshooting
 Testing relays in automotive and marine electrical systems
 Educational and training demonstrations of relay operation
Key specifications
 Operational voltage range: 12 V to 230 V AC/DC
 Compatibility: electromechanical relays with standard pin layouts
 Functions: coil continuity check, switching verification, contact operation indication
 Form factor: compact, single-piece handheld unit
 Typical use environment: workshop, industrial, field service
How to use
Connect the Voltcraft RT-100 to the relay by aligning its contacts with the relay pins or inserting the relay into the tester as applicable. Apply the appropriate supply voltage within the 12 V to 230 V range. Observe the tester indications while energising the coil to confirm switching action and check contact operation. For safety, ensure that the supply is disconnected before making or changing connections and follow standard electrical safety procedures when working with live circuits.
Usage recommendations
Use the tester within the specified voltage range and verify compatibility with the relay pinout before testing. When working on high-voltage systems, use insulated tools and appropriate personal protective equipment. Store the device in a dry environment and inspect contacts for cleanliness to maintain reliable testing results.

## FAQ

### How much does the Relay Tester Voltcraft RT-100 cost, and is it available for purchase?

The price is 69.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 36 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 08.07.2026 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. 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 Voltcraft 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 Voltcraft 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/1613549/47531317_large.webp