# Voltage detector BLOW UT12D — non-contact voltage presence tester, pen-style, mains detection

**URL:** https://aio.lv/en/product--blow-2683--12021266
**Data updated:** 2026-03-11 20:56 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** BLOW
**Manufacturer code:** 2683#
**EAN:** 6935750512432
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-2683--12021266

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

BLOW UT12D is a non-contact pen-style voltage detector designed to identify presence of mains voltage. It detects live conductors without direct contact, providing quick verification of AC voltage in cables, outlets and switches. Compact and portable, it is suitable for electricians and DIY use for safe preliminary checks and troubleshooting electrical circuits.

## Long description

BLOW UT12D is a compact non-contact pen-style voltage detector designed to identify the presence of mains AC voltage without direct contact. The device provides quick verification of live conductors in cables, outlets and switches by sensing the electric field around insulated conductors. Its pen form factor and portable size make it convenient for electricians, technicians and DIY users who need a simple tool for preliminary safety checks and basic troubleshooting of electrical circuits.
Advantages
The tester offers contactless detection that reduces the need to expose conductors during initial inspections. Its pen-style design allows one-handed operation and easy storage in a pocket or toolkit. Visual and audible indicators enable fast interpretation of results in various environments. The compact housing and low weight support convenient portability for fieldwork and routine maintenance tasks.
Suitable for
Quick presence checks of mains voltage in wall outlets and junction boxes
Detecting live conductors in cable runs and conduit entries
Preliminary safety verification before opening electrical panels or performing repairs
Basic troubleshooting of switches, sockets and lighting circuits
Key specifications
Non-contact AC voltage detection principle
Pen-style, pocket-friendly form factor
Visual LED indication
Audible tone for presence confirmation
Battery-powered operation for portability
Suitable for detection of standard mains voltage ranges
How to use
Switch on the voltage detector according to the device’s power control, then bring the tip close to the insulated conductor, outlet or device under test. Move the tip along the area to be checked while observing the visual indicator and listening for the audible signal. The detector senses the electric field from live AC conductors and indicates presence without requiring direct metal contact. Turn the device off after use and store it in a clean, dry location.
Usage recommendations
Use the BLOW UT12D as a preliminary verification tool only. It is not a substitute for full isolation procedures, insulated tools or detailed testing with multimeters. Confirm absence of voltage using appropriate contact-testing instruments and follow applicable safety procedures and local regulations when working on electrical installations.

## FAQ

### How much does the Voltage detector BLOW UT12D cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 276 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 17.07.2026 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 BLOW 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 BLOW 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/12021266/67509637_large.webp