# Temperature sensor Hewalex 74.30.00 with 3 m cable

**URL:** https://aio.lv/en/product--hewalex-743000--11825876
**Data updated:** 2026-03-09 11:15 (EET)
**Category:** Smart Sensors
**Manufacturer:** Hewalex
**Manufacturer code:** 74.30.00
**EAN:** 5907657193244
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 11.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hewalex-743000--11825876

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Hewalex temperature sensor model 74.30.00 is a wired temperature probe supplied with a 3 m cable. Designed to measure ambient or surface temperature for HVAC, weather stations or monitoring systems, it provides a reliable analog/digital interface depending on connected equipment. Suitable for installation in buildings, technical cabinets or outdoor protected locations.

## Long description

Hewalex temperature sensor 74.30.00 with 3 m cable is a wired temperature probe intended for measuring ambient or surface temperatures in residential, commercial and technical environments. The probe connects to HVAC controllers, weather stations and monitoring systems and provides a stable temperature signal compatible with common analog or digital inputs depending on the host device. The compact design and three-metre cable enable installation in rooms, technical cabinets or sheltered outdoor locations where a reliable temperature readout is required.
Advantages
The sensor offers a simple wired connection and a fixed 3 m cable that facilitates routing to control units or data loggers without additional extension. Its construction provides consistent measurements for HVAC regulation, environmental monitoring and basic meteorological setups. The probe’s format allows installation on surfaces or mounting within enclosures, delivering stable temperature feedback with minimal maintenance.
Suitable for
Room temperature measurement for heating and ventilation systems
Monitoring temperature inside technical cabinets and electrical enclosures
Integration with weather stations and local environmental monitoring setups
Surface temperature sensing on walls, ducts or equipment
Key specifications
Wired temperature probe with fixed 3 m cable
Designed for ambient and surface temperature measurement
Compatible with common analog or digital inputs depending on host device
Compact probe body suitable for mounting in rooms or enclosed spaces
Intended for indoor use or sheltered outdoor installations
How to use
Mount the probe at the measurement point avoiding direct sunlight, strong drafts or heat sources that could distort readings. Route the 3 m cable to the controller, data logger or weather station input, ensuring secure electrical connections according to the host device’s input requirements. If surface measurement is needed, fasten the probe firmly to the surface for good thermal contact. Verify reading stability after installation and calibrate the monitoring equipment if required by your system specifications.
Usage recommendations
For accurate ambient readings, place the sensor away from radiators, ventilation outlets and direct solar exposure. When used in enclosures, ensure sufficient airflow around the probe or mount it on a representative internal surface. Check cable routing for mechanical stress and secure connections periodically to maintain reliable long-term operation.

## FAQ

### How much does the Hewalex temperature sensor 74.30.00 cost, and is it available for purchase?

The price is 14.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 10.07.2026 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 Hewalex 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 Hewalex 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/11825876/67227486_large.webp