Air humidity

Testo hygrometers/thermo-hygrometers, comes in versatile mounting versions and portable hand held versions. All our hygrometers/thermo-hygrometers use a state of the art patented capacitive humidity sensor what has been continually developed since 1957. 

Below you will find an overview of Testo Hygrometers. 
 
Did you know: In the past capacitive sensors were considered non-robust and instable Today. The testo Capacitive sensor has been proven one of the most reliable and accurate sensors in the world.

117 Products found
  • testo 175 H1 - Temperature and humidity data logger

    Order-Nr. 0572 1754

    The Testo 175H1 is a compact professional data logger for monitoring of Temperature, Humidity & Dew Point.The external temperature & humidity probe creates faster reaction times in comparison to other temperature & humidity data loggers that are available in the market. 

    • Dual measurements (1 internal, 1 external)
      for ambient temperature & humidity monitoring 

    • Large memory, 1 Million Readings 

    • Data transfer possible using the USB port
      or SD card (Optional) 

    • Free data logger software available for download 

  • testo 174 H - Mini Humidity Data Logger 

    Order-Nr. 0572 6560

    Compact, accurate & reliable. The testo 174H Mini Humidity Data Logger measures and logs the air temperature and relative humidity in storage rooms and offices all year round. 

    • Large memory 16,000 Readings 

    • Includes USB interface for data transfer 

    • Display of temperature,humidity & dew point 

    • Free data logger software available for download 

  • testo 606-2 - Material Moisture Meter with Temp & Humidity

    Order-Nr. 0560 6062

    The testo 606-2 moisture meter allows you to measure the moisture content in wood and building materials – and the surrounding environment too. This means that you are now also able to check storage and drying conditions quickly and easily.

    • Moisture measurements in wood, cement,screed 

    • Characteristic curves for different types of wood and building materials 

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    • Easy to use; backlit display for use in all lighting conditions 

  • testo 6681 industrial humidity/temperature transmitter - Temperature/humidity transmitter for critical applications

    Order-Nr. 0555 6681

    The testo 6681 temperature and humidity transmitter is designed for monitoring critical climate in industrial processes (e.g. production/process engineering). If these involve maximum precision or specialized applications (high humidity, trace humidity, etc.), then this climate transmitter is the ideal choice because, when it comes to humidity measurement, it features unrivalled cutting-edge technology.

    • High-precision Testo humidity sensor with long-term stability for high humidity applications (optional)

    • Ethernet, relay and analog outputs enable optimum integration into individual automation systems

    • High-quality digital probes and an intelligent calibration concept

    • Self-monitoring and an early warning function ensure high system availability

  • testo 174 H set - Mini Humidity Data Logger 

    Order-Nr. 0572 0566

    The Testo 174H Set is a two channel temperatrue and huimidty data logger. It is a low cost compact data logger ideally suited to monitor conditions in living, work & storage rooms. It is mainly used in occupational helath and safety, Indoor air quality, Heating, Air conditioning & Refrigeration industries. 

    • Large memory 16,000 Readings 

    • Includes USB interface for data transfer 

    • Display of temperature,humidity & dew point 

    • Free data logger software available for download 

  • testo 608-H1 - Low Cost Hygrometer 

    Order-Nr. 0560 6081

    The testo 608-H1 thermohygrometer enables you to have a continuous display of the current temperature and humidity values. This means you can always keep an eye on the indoor climate.

    • 2 in 1 Temperature and humidity measurement 

    • Calculation of dew point 

    • Illuminated display 

    • Max./min. display 

  • testo 6743 - Dew point transmitter 

    Order-Nr. 0555 6743

    Wherever compressed air, air or gases are used in industry, excessively high humidity can cause damage or impair product quality. You can use the testo 6743 dew point transmitter to keep trace humidity in your systems in check (e.g. in membrane and adsorption dryers). Prevent damage and reduce costs through the targeted use of measuring and control technology.

    • Dew point transmitter with a measuring range of -45 °Ctd to + 30 °Ctd, G½ thread and display

    • Testo polymer humidity sensor with a high degree of accuracy and long-term stability

    • Freely scalable analog output (4 to 20 mA) and optional alarm plug with 2 integrated switching outputs

  • testo 625 - Humidity Meter 

    Order-Nr. 0563 6251

    The testo 625 Humidity Meter comes into its own all-in situations where the right indoor climate is crucial, for example in archives, storerooms, greeenhouses and buildings. The testo 625 also calculates the dew point and wet bulb temperature quickly and accurately. 

    • 2 in 1 Temperature and humidity
      measurement

    • Calculation of dew point & Wetbulb 

    • Displays min and max values, hold function, power off mode

    • Integrated longlife moisture meter for lasting quality 

  • testo 835-H1 - Infrared thermometer plus moisture measuring

    Order-Nr. 0560 8353

    Non-contact temperature and moisture measurements – with only one device. The testo 835-H1 infrared thermometer not only measures the temperature but has an intergrated moisture sensor that allows you to measure moisture too.

    • Measure temperature, moisture and dew point with only one device

    • Calculate the surface moisture content

    • Easy and comfortable to use: easy-to-follow menu guide, can save up to 200 readings, data analysis with free-to-download software

    • Four-Point-Laser and 50:1 Optics for precise measurements even over long distances

  • testo 610 - Pocket Sized Hygrometer 

    Order-Nr. 0560 0610

    The handy Testo 610 pocket sized hygrometer is ideal to use for fast, precise measurement of temperature and humidity in indoor areas. In addition, the compact instrument can also calculate the dew point and the wet bulb temperature. 

    • 2 in 1 Temperature and humidity measurement 

    • Calculation of dew point and wet bulb temperature 

    • Illuminated display

    • Hold function and max./min. display 

  • testo 608-H2 - Alarm Hygrometer 

    Order-Nr. 0560 6082

    The testo 608-H2 thermo hygrometer measures the air temperature, humidity and dew point and has a large, easy-to-read display and a visual alarm that is activated when a threshold is exceeded.

    • 2 in 1 Temperature and humidity measurement 

    • Calculates and displays the dew point 

    • LED alarm is activated when thresholds are exceeded 

    • Max./min. display 

  • testo 635-2 - Temperature and moisture meter

    Order-Nr. 0563 6352

    The Testo 635-2 is an instrument designed for measuring air moisture, material equilibrium moisture and pressure dewpoint in compressed air systems. Moisture characteristics can be recorded in the instrument memory and analysed and displayed in graphics or tables. Precision probes up to -60°C tpd are available to check pressure dewpoint in compressed air systems. 

    • Dual Probe Measurement 

    • Measurement of air moisture, material equilibrium moisture, pressure dew point 

    • U - Value probe connection 

    • Internal Memory 10,000 Readings 

  • testo 605 i - thermohygrometer with smartphone operation

    Order-Nr. 0560 1605

    The compact testo 605i temperature and humidity measuring instrument features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo Smart Tools App to reliably measure air temperature and humidity in rooms and ducts. 

    • Automatic calculation of the dew point and wet-bulb temperature

    • Measurement data analyzed and sent via testo Smart Tools App 

    • Clear identification of areas susceptible to mould via traffic light principle

  • testo 176 H1 - Probe Humidity Logger 

    Order-Nr. 0572 1765

    The data logger testo 176 H1 allows the monitoring of temperature and humidity in warehouses and buildings. With the testo 176 H1, you can examine whether mould in a house or apartment has been caused by insufficient ventilation or by building damage.

    • 4 Channel measurements (4 External probes) for external temperature/Humidity monitoring 

    • Ability to measure Temperature & Humidity simultaneously 

    • Large memory, 2 Million Readings 

    • Data transfer possible using the USB port
      or SD card (Optional) 

  • testo 6621 humidity-/temperature transmitter - Temperature and humidity transmitter

    Order-Nr. 0555 6621

    Measuring and control technology helps you to reduce your energy costs. For instance, the testo 6621 temperature and humidity transmitter can be put to good use in automated building services where it meets increasing demands in terms of the accuracy, reliability and safety of climate measurements. Accurate measurement supports you in keeping your expenditure on energy cost-efficient.

    • Transmitter with 2 analog outputs (temperature/humidity)

    • High-precision Testo humidity sensor with long-term stability

    • Adjustment without disassembling the transmitter

    • P2A software for parameterization, adjustment and analysis

  • testo 635-1 - Thermohygrometer 

    Order-Nr. 0560 6351

     

    • Dual Probe Measurement 

    • Measurement of air moisture, material equilibrium moisture, pressure dew point 

    • U - Value probe connection 

    • Protection class IP54 

  • testo 6631 humidity/temperature transmitter - for greenhouses

    Order-Nr. 0555 6631

    The testo 6631 temperature and humidity transmitter is ideally suited for use in greenhouses and laboratories. Use the transmitter for the reliable monitoring of critical climates in bio research.

    • Transmitter with precise Testo humidity sensor that has long-term stability (±2.5 % RH)

    • 2 analog outputs (humidity/temperature)

    • Integrated ventilator enables flow impact onto the sensor for recording an averaged climate in the greenhouse cell

    • Protection of electronics and sensor from humidity influences (such as sprinkler irrigation)

  • testo 622 - Indoor Climate Meter 

    Order-Nr. 0560 6220

    The Testo 622 indoor climate meter is designed to provide you with an at-a-glance look at the air temperature, relative humidity and air pressure. Ideal for monitoring the ambient air, especially in laboratories. 

    • Measures air temperature, relative humidity and pressure 

    • Alarm alerts when threshold is exceeded 

    • Real time measurement values with date and time 

    • Automatic calibration reminder 

  • testo 605-H1 - Compact Thermohygrometer 

    Order-Nr. 0560 6053

    The testo 605-H1 Compact Thermohygrometer enables reliable measurement of humidity and air temperature and calculation of the dew point. It has a permanently mounted probe shaft which means it is excellent when it comes to carrying out check measurements in ventilation ducts. 

    • 3 in 1 Air temperature, Air moisture  & Dew point 

    • Dewpoint calculation 

    • Measuring values easy to read thanks to a pivoting display 

  • testo 645 - Humidity/temperature measuring instrument

    Order-Nr. 0560 6450

    The testo 645 humidity/temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature at the touch of a button.

    • High-precision humidity measurement up to ± 1% RH

    • Internal reading memory (3,000 readings)

    • Convenient data evaluation via optional PC software

    • Possibility of attaching a really wide range of optional probes thanks to a large accessory portfolio

117 Products found
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