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header-product Temperature and Humidity Meter Unit UT333S — handheld thermo-hygrometer, humidity and temperature measurement
28.99 €

Temperature and Humidity Meter Unit UT333S — handheld thermo-hygrometer, humidity and temperature measurement

Unit UT333S Temperature and Humidity Meter Photo 1
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Temperature and Humidity Meter Unit UT333S — handheld thermo-hygrometer, humidity and temperature measurement

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Temperature and Humidity Meter Unit UT333S — handheld thermo-hygrometer, humidity and temperature measurement

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Short description

Handheld temperature and humidity meter Unit UT333S for monitoring ambient conditions. Provides measurements of air temperature and relative humidity with digital readout, suitable for HVAC checks, indoor climate control, storage monitoring and basic environmental diagnostics. Portable design for spot checks and routine inspections.
Available at price 28.99 €: 97 pcs.
Total available for order: 194 pcs.
Warranty: 2 Years
SKU: 11052947
Manufacturer: Unit
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
28.10.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
02.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.31 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
02.11.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The Unit UT333S is a handheld thermo-hygrometer designed for measuring air temperature and relative humidity. This compact instrument provides a clear digital readout of ambient conditions, allowing technicians, facility managers and homeowners to perform spot checks and routine inspections of indoor climate. The portable design and simple interface make the meter suitable for quick assessments in HVAC maintenance, storage monitoring and basic environmental diagnostics.

Advantages

The UT333S offers straightforward temperature and humidity measurement with a readable digital display and a compact handheld form factor. Its simple operation and portability enable quick spot measurements without the need for setup or additional accessories. The meter is suitable for use in confined spaces and around equipment due to its lightweight construction and easy-to-hold casing.

Suitable for

  • HVAC checks and basic troubleshooting
  • Indoor climate control and comfort monitoring
  • Storage areas where humidity and temperature affect goods
  • Routine inspections and spot measurements in offices and homes

When it may not be suitable

The UT333S is intended for basic ambient temperature and relative humidity readings and does not include advanced features such as data logging, wireless connectivity or specialized probes for surface or deep air sampling. For applications requiring continuous monitoring, high-precision laboratory calibration, or integration with building automation systems, a more advanced instrument would be more appropriate.

Key specifications

  • Measurement parameters: air temperature and relative humidity
  • Display: digital readout for numeric values
  • Form factor: handheld, portable design
  • Typical applications: HVAC checks, indoor climate and storage monitoring

How to use

Switch the unit on and allow the sensor to acclimate to the measurement environment for a short period. Hold the meter in the ambient air away from direct heat sources or airflow obstructions to obtain stable readings. Read the displayed temperature and relative humidity values directly from the screen. For multiple spot checks, allow the sensor to stabilise between locations to ensure consistent measurements.

What to consider before purchase

  • Confirm that you only need basic ambient temperature and relative humidity measurements rather than data logging or networked monitoring.
  • Check required measurement ranges and accuracy for your use case; this unit is intended for routine spot checks.
  • Consider whether additional probes or higher-precision instruments are necessary for specialised tasks.

Usage recommendations

To improve measurement consistency, keep the meter away from direct sunlight, heating vents and open windows during readings, and allow a short stabilization time after moving between different environments.

Description

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Product comparison

This product page focuses on Temperature and Humidity Meter Unit UT333S — handheld thermo-hygrometer, humidity and temperature measurement, a portable device designed for monitoring ambient temperature and relative humidity. It is compared with similar alternatives including alternative modifications from the same brand (the UT333S variant with data hold, standard and mini UT333 models, and the advanced UT332+ with dew point calculation) as well as the competitor device Habotest HT607. All these devices target indoor climate monitoring, HVAC checks, storage oversight, and general environmental diagnostics. The core differences lie in sensor design, presence of data hold or dew point functions, and brand-specific execution.

⚙️ The table below compares essential characteristics such as device type, sensor configuration, additional functions, and practical suitability.

Comparison parameterTemperature and Humidity Meter Unit UT333STemperature and humidity meter Unit UT333S with LCDTemperature and Humidity Meter Unit UT333Mini Temperature and Humidity Meter Unit UT333Digital Thermometer Hygrometer Unit UT332+Temperature and Humidity Meter Habotest HT607Practical conclusion
Device typeHandheld thermo-hygrometerHandheld thermo-hygrometerHandheld thermo-hygrometerMini thermo-hygrometerDigital thermo-hygrometerHandheld thermo-hygrometerAll options share the core capability of measuring ambient temperature and relative humidity.
Sensor designWith remote probeIntegrated bodyIntegrated bodyCompact integrated bodyIntegrated bodyIntegrated bodyTemperature and Humidity Meter Unit UT333S offers better reach for spot checks in tight spaces.
Additional functionsEnvironmental monitoringLCD display, data holdQuick spot readingsCompact size for portabilityDew point measurementLCD display, data holdModels with data hold simplify recording, while the UT332+ adds environmental dew point calculation.

◎ The table below evaluates which product is best suited for various user needs and usage scenarios.

Use caseRecommended productWhy
HVAC and tight-space checksTemperature and Humidity Meter Unit UT333SThe remote probe design makes it easier to measure in confined areas and air ducts.
Advanced environmental diagnosticsDigital Thermometer Hygrometer Unit UT332+Provides dew point calculation alongside standard temperature and humidity readings.
Everyday portability and basic checksMini Temperature and Humidity Meter Unit UT333Extremely compact size suits quick carrying and casual living space monitoring.
Temperature and Humidity Meter Unit UT333S differs from its peers through its sensor design, making it a strong choice for targeted spot checks and HVAC inspections where reach matters. Choose this model if you need enhanced physical probing flexibility; if a standard integrated body or specialized dew point features are preferred, consider the alternative Unit or Habotest models.
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Stock data
Warehouse Stock Delivery to the store Store Price
WH323 97 28.10.2026 Best delivery
28.99 € Best price
WH355 97 03.11.2026
37.99 €
28.99 €
Stock: 97
Delivery Date: 28.10.2026 Best delivery
Warehouse: WH323
37.99 €
Stock: 97
Delivery Date: 03.11.2026
Warehouse: WH355

Customer reviews

Customer questions

FAQ

How much does the Unit UT333S Temperature and Humidity Meter cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 194 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 28.10.2026 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 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.