# Unit UT337A Carbon Monoxide Detector

**URL:** https://aio.lv/en/product--unit-ut337a--12478424
**Data updated:** 2026-05-22 07:21 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Unit
**Manufacturer code:** UT337A
**EAN:** 6935750533710
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 81.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 67.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-ut337a--12478424

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Unit UT337A is a reliable carbon monoxide detector designed for monitoring CO gas levels in residential and commercial environments. This portable device provides accurate detection and real-time alerts to ensure safety in areas where combustion appliances are used. It features a clear display for easy reading of concentration levels, helping to prevent hazardous exposure to carbon monoxide gas.

## Long description

The Unit UT337A Carbon Monoxide Detector is a professional-grade, portable instrument engineered to monitor carbon monoxide (CO) gas levels in both residential and commercial settings. By utilizing advanced electrochemical sensor technology, this device provides precise, real-time detection of CO concentrations, helping to identify potential hazards caused by faulty combustion appliances or poor ventilation. Its intuitive design ensures that users can quickly assess air quality and take necessary safety precautions.
Advantages
This detector stands out due to its high measurement accuracy and rapid response time, which is essential for safety-critical applications. The inclusion of an electrochemical sensor with automatic self-testing and user-calibration capabilities ensures that the device remains reliable over extended periods of use. Furthermore, the integration of both audible and visual alarms allows for immediate notification when gas concentrations exceed safe thresholds, providing peace of mind in various environments.
Suitable for
Monitoring air quality near gas boilers, heaters, and stoves
Safety inspections in residential homes and apartments
Checking for CO leaks in commercial workshops and garages
General indoor air quality assessments
This device is not intended to serve as a permanent, life-saving smoke or fire alarm system. It is a diagnostic tool for spot-checking and monitoring gas levels and should not be used as a substitute for certified, wall-mounted carbon monoxide detectors required by local building codes for permanent safety installations.
Key specifications
Measurement range: 0–1000 ppm
Sensor type: Electrochemical CO sensor
Response time: Less than 60 seconds for 90% of reading
Accuracy: ±5% or 5 ppm
Resolution: 1 ppm
Power supply: 4 x AAA 1.5V batteries
Dimensions: 197 x 54.8 x 33.8 mm
Weight: 140 g
How to use
To begin using the detector, insert the provided AAA batteries into the compartment. Power on the device and allow it to perform its initial self-test. Once the sensor has stabilized, you can move the device through the area you wish to monitor. The real-time concentration will be displayed on the backlit LCD screen. You can utilize the Data Hold function to freeze a reading on the screen for easier documentation. If the concentration exceeds your pre-set alarm threshold, the device will trigger both visual and audible alerts.
What to consider before purchase
Verify if the measurement range meets your specific safety requirements
Ensure you have spare batteries available for extended field use
Check if the device requires periodic calibration in your specific environment
Confirm that this portable tool meets your needs for spot-checking versus permanent monitoring
Usage recommendations
Always perform a self-test before entering an area suspected of having high gas concentrations. Ensure the sensor intake is not obstructed during operation to maintain accurate diffusion-based sampling.

## FAQ

### How much does the Unit UT337A Carbon Monoxide Detector cost, and is it available for purchase?

The price is 81.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 37 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 01.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Unit UT337A Carbon Monoxide Detector be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Unit 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 Unit 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/12478424/68799345_large.webp