Suomen Lämpömittari Oy 7941 Wireless temperature sensor

Delivered between Tue, 26.5. and Thu, 28.5.
7 pieces in stock at supplier
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Product details

The 7941 Wireless Temperature Sensor from Suomen Lämpömittari Oy is a highly advanced thermometer that accurately measures both temperature and humidity. This device is equipped with a wireless transmitter that sends measurements over three channels, allowing for flexible monitoring. The sensor is compatible with multiple models, making it a versatile addition to existing weather stations. With a measurement range of -40 to +60 °C and humidity levels from 10 to 99%, the sensor offers a wide array of application possibilities. The device's digital display clearly shows the current measurements, while the wireless transmission operates at a frequency of 433 MHz, providing a range of up to 100 meters in open space. The 7941 is ideal for indoor use and requires two AA batteries for power, which are not included.

  • Wireless transmitter for transmitting temperature and humidity data
  • Compatible with several weather stations from Suomen Lämpömittari Oy
  • Digital display for clear and precise measurements
  • High accuracy: Temperature ±1 °C, Humidity ±5 %
  • Range of up to 100 m in open space.

Key specifications

Meter type
Thermo hygrometer
Sensor Measuring functions
Atmospheric humidityTemperature
Temperature measuring range
-40 - 60 °C
Measuring tolerance temperature
1 ± °C
Measuring unit
°C
Humidity measuring range
10% - 99%
Measuring tolerance air humidity
5 ± %

General information

Item number
61761859
Manufacturer
Suomen Lämpömittari Oy
Category
Thermometers + Hygrometers
Release date
3.9.2025

Room air conditioner features

Meter type
Thermo hygrometer
Application range
Indoor
Display type
Digital
Radio range
100 m
Radio frequency
433 MHz

Sensor properties

Sensor Measuring functions
Atmospheric humidityTemperature
Temperature measuring range
-40 - 60 °C
Measuring tolerance temperature
1 ± °C
Measuring unit
°C
Humidity measuring range
10% - 99%
Min. humidity
10%
Max. Air humidity
99%
Measuring tolerance air humidity
5 ± %
Humidity measurement
Relative
Number of expandable sensors
3x

Smart home features

Smart home
Not compatible
Transmission type
Funk

Voluntary climate contribution

CO₂ emissions
9.47 kg
Climate contribution
CHF 0.23

Power supply

Power supply
Battery operated

Battery properties

Battery size
AA / LR6 / LR06 / Mignon / R6 / R14505
Number of batteries
2

Scope of delivery

Scope of delivery
Batteries are not included in the scope of delivery.

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Thermometers + Hygrometers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Suomen Lämpömittari Oy
    Not enough data
  • 1.Aranet
    0.2 %
  • 1.Bearware
    0.2 %
  • 1.Boneco
    0.2 %
  • 1.Metaltex
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Suomen Lämpömittari Oy
    Not enough data
  • 1.Aqara
    0 days
  • 1.Beurer
    0 days
  • 1.Bresser
    0 days
  • 1.Govee
    0 days

Return rate

How often is a product of this brand in the «Thermometers + Hygrometers» category returned?

Source: Digitec Galaxus
  • Suomen Lämpömittari Oy
    Not enough data
  • 1.ADE
    0 %
  • 1.Glorex
    0 %
  • 1.Medisana
    0 %
  • 1.Testo
    0 %
Source: Digitec Galaxus