
Best selling Thermometers + Hygrometers from Alecto
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1. Alecto Thermometer
The Alecto WS-05 is an analog thermometer and hygrometer that allows for precise measurement of humidity in various rooms. This eco-friendly device requires no batteries, making it a sustainable choice for monitoring indoor climate. It is ideal for use in bedrooms, living rooms, offices, greenhouses, and other indoor spaces. With the Alecto WS-05, users can read the relative humidity in percentage, which is important for health and well-being. An optimal humidity range of 40 to 60 percent can help prevent mold growth and other health issues. The hygrometer is easy to use and provides a clear display, enabling quick checks of humidity levels and the ability to take action to improve the indoor climate if necessary.
- Analog design for easy readability
- Battery-free and eco-friendly
- Suitable for various indoor spaces such as bedrooms and offices
- Helps promote a healthy indoor climate by monitoring humidity levels.

2. Alecto WS-55
Thermometer / Hygrometer with large and clear display Alecto WS-55. This practical thermometer/hygrometer is equipped with sensors to display the temperature and humidity indoors. You can easily mount this WS-55 thermometer on the wall or place it on a table. The simple, elegant design makes this thermometer/hygrometer ideal for any interior.
An ideal device for monitoring temperature and humidity. The Alecto WS-55 thermometer/hygrometer features a large and clear screen, making it perfect for accurately monitoring the temperature and humidity in your home. The humidity is clearly displayed in percentage, so you are immediately informed about the quality. The ideal humidity level is between 40 and 60 percent. This thermometer/hygrometer stores the lowest and highest measured values.
Create a healthy living environment at home. With this monitor, you are always informed about the temperature and humidity, allowing you to make important adjustments when necessary. Excessive humidity can be harmful to health and may indicate a (water) leak that can cause damage. Thanks to this Alecto thermometer/hygrometer, you can quickly become aware of it and take appropriate action.
This thermometer/hygrometer is also ideal for the children's room, as it is easy to keep an eye on the air quality and temperature in the nursery. This is especially important for newborns, who are sensitive to changes in temperature and air quality. If the air is too dry or too humid, it can cause health problems, so it is important to avoid this as much as possible.
What is included? Hygro-thermometer, CR2025 button cell battery, multi-language manual.

3. Alecto WS-05
Alecto WS-05 - The Analog Hygrometer for a Healthy Home
With the Alecto WS-05 analog hygrometer, you can always keep an eye on the humidity levels in your spaces. An optimal humidity level is crucial for your health and well-being. Thanks to its eco-friendly function that operates without batteries, this hygrometer is perfect for various locations such as bedrooms, living rooms, basements, and more.
Why a Hygrometer is Essential
Monitoring relative humidity helps you create and maintain the ideal climate in your home. With a measurement range of 0 to 100%, the WS-05 provides precise information about moisture conditions. A value between 40 and 60 percent indicates a healthy environment. Avoid issues like mold and dust mites by controlling humidity and creating a pleasant living atmosphere.
Technical Specifications:
- Analog measurement of relative humidity
- Measurement range: 0 - 100% relative humidity
- Color indicator for comfort range
- Suitable for indoor use
- Eco-friendly, operates without batteries
- Compact plastic housing
- Dimensions (ø x d): 60 x 20 mm
Included in the package:
- 1 hygrometer.

4. Alecto SMART-TEMP10
The perfect smart sensor for temperature and humidity to use inside your house. The Alecto SMART-TEMP10 Smart Zigbee temperature and humidity sensor provides the room temperature and humidity. Set up an action/reaction by linking to other Alecto smart products if the temperature is too high or low. It uses the open Zigbee standard and has a long battery life of up to 30 months.
Bring your home automation to a higher level! The smart Zigbee temperature and humidity sensor by Alecto is a useful tool to monitor both the temperature and humidity inside your house. This smart sensor allows you to set up actions towards other Alecto smart products based on the temperatures and/or humidity registered by the SMART-TEMP10 sensor.
The smart sensor is powered by a button cell battery and can be placed anywhere in your house without worrying about frequent charging. The SMART-TEMP10 must be linked to a Zigbee gateway. You will receive all the recorded information on your smartphone or tablet, allowing you to monitor the temperature and humidity from anywhere.
This sensor enables smart devices to intercommunicate, allowing you to set up automatic actions. For instance, it is possible to turn the heater on or off automatically when the room temperature reaches a certain value.
For added safety inside the house, the smart Zigbee temperature and humidity sensor sends you the temperature and humidity using the Smart Life app. By monitoring the humidity, this sensor enhances comfort in your living environment.
What’s in the box? Temperature/humidity sensor, reset tool, battery CR2032, manual in multiple languages.

5. Alecto CO2 meter AQ30 with NDIR sensor and humidity meter
The air quality monitor supports you in living healthily. In addition to measuring the carbon dioxide levels in the indoor air, the CO2 monitor also measures humidity and temperature. This way, you can find the right balance between ventilation and heating for a healthy indoor climate.

6. Alecto WS-75
WS-75 Thermometer: Measure temperature and humidity indoors. The WS-75 model is a simple yet attractive electronic thermometer. It measures indoor temperature and humidity and displays this information clearly on an easy-to-read screen. Additional features of the WS-75 indoor thermometer include the display of the lowest and highest measurements, battery operation, and a compact design.
WS-75 Thermometer: Monitoring humidity. The right humidity level indoors is very important. Too low humidity can negatively affect people's well-being. A dry climate irritates mucous membranes and can lead to problems with the eyes, nose, and throat. Conversely, too high humidity is also uncomfortable. It can make the house feel musty and the indoor climate damp. Prolonged periods of high humidity can even lead to moisture and mold spots on walls and floors. With the WS-75 indoor thermometer, you can accurately monitor humidity levels and take action if the air is too dry or too humid. The display shows the humidity level, along with a warning from the thermometer if the humidity is too high or too low.
Indoor thermometer - with the quality of Alecto. The WS-75 indoor thermometer meets all the expectations you may have from an Alecto product. Alecto has been providing good and affordable consumer products for over forty-five years, developed and thoroughly tested in the Netherlands. The WS-75 model is a solid product with a good price-performance ratio, just as you would expect from all Alecto products. By choosing Alecto, you secure a sophisticated and user-friendly product of high quality.
Included: Weather station, manual NL / EN / DE / FR, universal manual.
