Air humidity

The measuring parameters of humidity plays an important role in monitoring production, storage and transport conditions, determining thermal comfort levels and indoor air quality or in VAC systems.

146 products or recommendations for Air humidity
  • testo 605-H1 - Compact thermal hygrometer

    Order-Nr. 0560 6053

    The testo 605-H1 thermal hygrometer is capable of precise measurements of air humidity and air temperature, as well as calculations of dewpoint temperature. The testo 605-H1 is ideally suited for duct measurements, due to its slim form factor and ability to be read from multiple angles, with a rotatable probe.

    • Slim form factor is convenient for duct or ambient measurements

    • Resilient Testo patented humidity sensor ensures long life

    • Rotating display allows for easy reading of measurements

    • Quick response sensor provides fast readout of measurements

  • testo 605-H2 - Compact thermal hygrometer

    Order-Nr. 0560 6054

    The testo 605-H2 thermal hygrometer is capable of precise measurements of air humidity and air temperature, as well as wet bulb calculations. The testo 605-H2 is ideally suited for duct measurements, due to its slim form factor and ability to be read from multiple angles with a rotatable display.

  • testo 605i - Thermo-hygrometer wireless Smart Probe

    Order-Nr. 0560 1605

    The testo 605i Smart Probe is a humidity and temperature measuring instrument that quickly and accurately measures relative humidity, dew point, and temperature in rooms, ducts, registers, and environmental boxes and chambers.

    • Quickly and accurately measures relative humidity and temperature in rooms, ducts, and chambers

    • Automatically calculates dew point and wet bulb temperature

    • Small diameter probe is ideal for in-duct measurements

    • For all HVAC/R technicians and contractors

  • testo 606-2 - Moisture meter

    Order-Nr. 0560 6062

    The testo 606-2 moisture meter measures the moisture content in wood, building materials, and the surrounding environment. This allows you to check storage and drying conditions quickly and easily.

    • Ram electrodes guarantee precise moisture measurements in wood / building materials

    • Ideal for carrying out RH / air temperature measurements for checking storage and drying

    • Identifying and preventing problems using dew point / wet bulb calculations

    • Easy to use / backlit display for all lighting conditions

  • testo 608-H1 - Thermal hygrometer

    Order-Nr. 0560 6081

    The testo 608-H1 thermal hygrometer 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.

    • With dew point calculation and max/min display

    • Humidity sensor is not affected by condensation

    • Large, clear display

    • Durable quality: capacitive humidity sensor with long term stability for many years of measurement

  • testo 608-H2 - Thermal hygrometer

    Order-Nr. 0560 6082

    The testo 608-H2 thermal hygrometer measures 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.

    • Measures and displays temperature and humidity

    • Calculates and displays the dew point

    • LED alarm is activated when thresholds are exceeded

    • Long-lasting quality: long-time stable humidity sensor guarantees years of measuring

  • testo 610 - Pocket-sized air humidity measuring instrument

    Order-Nr. 0560 0610

    The handy testo 610 thermohygrometer allows for measurement of temperature and humidity in indoor areas. In addition, this compact instrument can also calculate the dew point and the wet bulb temperature.

    • Long term stable Testo humidity sensor

    • +/-2.5% RH accuracy

    • Dewpoint calculation and wet bulb included

    • Protective cap for safe storage

  • testo 622 - Thermohygrometer and barometer

    Order-Nr. 0560 6220

    The testo 622 thermohygrometer and barometer is designed to provide you with an at-a-glance look at the air temperature, pressure, and RH. Ideal for monitoring the ambient air, especially in laboratories during calibration and experimental setups.

    • Measures air temperature / pressure / RH

    • Ideal for monitoring the air, especially in laboratories

    • Alarm alerts when threshold is exceeded

    • Table or wall mount

  • testo 623 - Thermohygrometer

    Order-Nr. 0560 6230

    The elegantly designed testo 623 thermohygrometer measures the temperature and humidity in offices, living spaces, and commercial premises, and logs the readings for 90 days.

    • Measures room temperature / humidity / alerts the occupants when thresholds are reached

    • Large, easy to read display / shows current reading / provides at-a-glance 90-day statistic snapshot

    • Long term stable sensor for long term / high quality readings

    • Table and wall mount included

  • testo 625 - Thermohygrometer

    Order-Nr. 0563 6251

    The testo 625 thermohygrometer comes into its own in all situations where the right indoor climate is crucial, like in archives, storerooms, buildings, and greenhouses. Calculates the dew point and wet bulb temperature quickly and accurately.

    • Measures air temperature / RH

    • Calculates dew point / wet bulb temperature

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

    • Integrated long-life humidity sensor for long lasting quality

  • testo 635-1 - Humidity measuring instrument

    Order-Nr. 0560 6351

    The testo 635-1 temperature and humidity measuring instrument enables you to measure the temperature, air humidity, and dew point – in compressed air as well. State of the art technology and a large selection of probes, which are available optionally, allow for a wide variety of measuring possibilities.

    • Probes available as an option mean you can measure air humidity, temperature, absolute pressure, and dew point in compressed air

    • Measures air moisture, material equilibrium moisture, pressure dew point

    • Calculates dew point and dew point distance

    • Cyclical printing of readings once a minute, for example

  • testo 635-2 - Temperature and moisture meter

    Order-Nr. 0563 6352

    The testo 635-2 temperature and moisture meter measures the temperature and moisture of different types of materials, surfaces, and environments, with a wide range of optional sensors.

    • Optional sensors for moisture / temperature / pressure dew point / absolute pressure measurements

    • 2 plug-in and 3 wireless sensors

    • Super-size memory for up to 10,000 readings

    • USB cable, PC software for logging and archiving measuring data

  • testo 645 - Humidity measuring instrument for industry

    Order-Nr. 0560 6450

    The testo 645 humidity and 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

  • testo 174H - Mini temperature and humidity data logger

    Order-Nr. 0572 6560

    The testo 174H mini temperature and humidity data logger features a large display and alarm indication that makes it capable of monitoring air temperature and relative humidity levels at all times. This temperature and RH measurement logger is long lasting for continuous use and is highly accurate. The 174H temperature and humidity data logger has free software available as a download for easy analysis.

    • Provides reliable and economical temperature and humidity monitoring of products in storage and transport

    • Large easy to read display

    • Large measurement data memory capable of storing 16,000 temperature and humidity readings

    • Longlife NTC thermistor temperature and humidity sensor for reliable and accurate measurements

  • testo 175H1 - Temperature and humidity data logger

    Order-Nr. 0572 1754

    The testo 175H1 temperature and humidity data logger features a large display and alarm indication that makes it ideal for continuous monitoring of ambient temperature and humidty. The 175H1 has an external, stub type humidity sensor, making it best-suited for use in high humidity areas. Creation of Excel Spreadsheets, PDFs, and data analysis are all easily achieved with the free, downloadable ComSoft software.

    • Internal NTC thermistor provides reliable temperature monitoring with a small footprint

    • External “stump” humidity probe for quick, accurate measurements

    • Large easy to read backlit display

    • Large data memory capable of storing 1,000,000 measurements

  • testo 174 H - Mini temperature and humidity data logger kit

    Order-Nr. 0572 0566

    The testo 174H mini temperature and humidity data logger has a large display and alarm indication that makes it capable of monitoring air temperature and relative humidity levels at all times. This temperature and RH measurement logger is long lasting for continuous use and has a high accuracy. The 174H mini temperature and humidity data logger kit includes a USB interface for data transfer and has free software available as a download for easy analysis.

    • Simple and large easy to read display

    • Includes USB interface for data transfer

    • Large measurement data memory capable of storing 16,000 temperature and humidity readings

    • Longlife NTC thermistor temperature and humidity sensor for reliable and accurate measurements

  • testo Smart Probes VAC Set - Wireless Smart Probe Kit

    Order-Nr. 0563 0003

    The testo VAC Smart Probe Set provides a combination of four Smart Probe instruments, used with your smartphone or tablet to test and balance multi-outlet ventilation systems.  Two types of anemometers give you the capacity to measure in-duct air flow, and the flow from each vent.  Using the IR temperature probe for surface temperatures will show you motor and electrical equipment conditions, also allowing for easy checking of each outlet.  Lastly, the thermohygrometer provides an assessment of the humidity and dewpoint levels throughout the system.

    • Measures air velocity, temperature, relative humidity, wet bulb / dew point, and calculates volume flow

    • Kit includes instruments to measure, balance, troubleshoot, and optimize ventilation systems performance

    • RH & air flow measurements in-duct and at registers, viewed simultaneously in the testo Smart Probes app (405i, 410i, 605i)

    • App calculates system enthalpy with air flow & RH probes; app allows you to photograph objects with a smart device, capturing measurement marker and temperature values for reference and reporting (805i)

  • testo 480 - Digital temperature and humidity meter

    Order-Nr. 0563 4800

    Air flow measurements in ventilation ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms – the testo 480 temperature and humidity meter comes with a wide range of optional sensors that allow you to measure, analyze, and log these and a variety of other parameters with only one device.

    • High quality optional sensors for measuring air flow / temperature / humidity / pressure / degree of turbulence / heat radiation / CO2 / illumination intensity / PMV / PPD / WBGT

    • High precision, integrated pressure difference sensor included

    • Pro-software for easy and efficient analysis and logging included

    • Intelligent calibration concept

  • testo 435-4 - Multifunction meter w/ memory, software, and differential pressure

    Order-Nr. 0563 4354

    The testo 435-4 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-4.

    • Integrated differential pressure measurements for flow velocity

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Built-in memory stores up to 10,000 measurements

  • testo 435-2 - Multifunction meter w/ memory and software

    Order-Nr. 0563 4352

    The testo 435-2 multifunction meter is perfect for monitoring, analyzing, and diagnosing indoor air quality, wherever you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot problems with HVAC systems, and immediately see the results of corrections. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-2.

    • Built-in memory stores up to 10,000 measurements

    • Optional wireless (RF) temperature and humidity probes for remote measurement

    • Backlit LCD for easy viewing

    • Optional printer allows for easy documenting of measured data

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