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Humidity testers
On our website, you will find humidity testers that can measure relative air humidity, or combined devices that can also  measure temperature. These humidity testers measure different ranges of humidity depending on the model. Relative air humidity is an important factor in most sectors, including industry, transport and gardening. They are versatile in that they can take measurements, store them to memory and transfer data to a computer for further detailed analysis. There is also the calibration standards for the device which makes it easy to ensure that measurements are extremely accurate. Many of our humidity testers come with an ISO calibration certificate and some models are legally validated. They are very useful in evaluating damage in a warehouse. If you can't find the humidity testers you are looking for, please contact us and we will help you find the best solution to suit your needs by calling our offices on: +44 (0)2380 987030 and our technical staff will advise you regarding our products.

Technical specifications for our Humidity testers can be found at the following links:

- PCE-HT71 series Humidity testers
  (internal sensor for temperature and humidity, memory for 32,000 values)

- PCE-MSR145 series Humidity testers
  (internal sensor for humidity, pressure, temperature, acceleration and position) 

- Log 100 / 110 series Humidity testers
  (humidity testers for temperature and humidity / with entrance for external sensor, 60.000 measurement values)

- U12 series Humidity testers
  (temperature and humidity data loggers, EEPROM memory: 43000 values, USB)

- PCE-222 series Humidity testers 
  (4 in 1 device with internal sensors for humidity, temperature, sound and lux)

- PCE-EM882 series Humidity testers 
  (4 in 1 with external sensors for humidity, temperature, sound and lux)

- PCE-EM 886 series Humidity testers 
  (Sound, light, temperature, moisture, and external temperature, auto-ranging multimeter)

- PCE-555 series Humidity testers 
  (for measuring relative humidity, temperature and dew point)

- PCE-310 series Humidity testers
  (measures, temperature, humidity and dew point)

- PCE-320 series Humidity testers
  (measures temperature, humidity and dew point, has connections for temperature sensors)

- PCE-HGP series Humidity testers
  (combined detectors to measure relative and absolute humidity and temperature)

- PCE-WM1 series Humidity testers 
  (hygroscopic humidity in [g/m³] and [%], temperature, dew point ,external sensors)

- PCE-HT110 series Humidity testers 
  (external display, data logger, sensor for temperature and humidity)

- PCE-THB 40 series Humidity testers
  (humidity testers to ambient temperature, humidity and barometric pressure)

- EBI 2-TH-6.. series Humidity testers
  (temperature and humidity data loggers / adjustable measurement / highly accurate)

- PCE-313 A series Humidity testers 
  (with memory, interface and software)

- ThermoAir3 series Humidity testers
  (humidity testers to measure low air flow with a directional or multidirectional sensor)

- MiniAir20 / MiniWater20 series Humidity testers
  (humidity testers to measure very low flow speed / automatic probe detection)

- PCE-SPS 1 series Humidity testers
  (humidity testers of movement to determine relative humidity, easy to use)

- PCE-APA 1 series Humidity testers
  (vacuum humidity testers, suitable for control and adjustments)

- PCE-G1 series Humidity testers 
  (humidity and temperature, with a large display visible from up to 50m distance)

- PCE-G1A series Humidity testers 
  (humidity testers with two channels to humidity and temperature)

- PCE-FWS 20 series Humidity testers 
  (humidity testers to measure temperature, humidity, pluviometry, wind speed, logger)

- RH5 series Humidity testers 
  (humidity testers for the moisture of stored paper)

- AVM-4000 series Humidity testers 
  (humidity testers for temperature + humidity+ pressure..)

- WatchDog series Humidity testers
  (cup humidity testers to measure temperature, humidity, pluviometry, wind speed, logger)

- PCE-THB 38 series Humidity testers  
  (Thermometer, hygrometer and barometer in one handheld device)

- FMU series Humidity testers 
  (humidity testers  for fixed installation of up to 99 humidity sensors)

- Humidity testers 
  (balance for measuring humidity content)

- Humidity testers for stationary use
  (Humidity testers for the connection to evaluation units, standard output signal)

All humidity testers come calibrated, but as their sensor's accuracy deteriorates with use, they should be recalibrated on a regular basis. A calibration can be done by the user of the device by using that optional calibration standards or the device can be sent to us and we will perform a recalibration that will meet ISO standards. (Calibration / recalibration of humidity testers).

                                                        
     Recalibration standards                         Some devices use a                    ISO calibration certificate
    for humidity testers                        calibration chamber                      for humidity testers
 

Information about relative humidity: Relative humidity (r.h.) shows the relationship between absolute humidity (the amount really there) and the saturation state of water vapours. Relative air humidity is measured using humidity testers, that show on their displays from 0% (absolutely dry air) up to 100% (air that is completely saturated, such as fog, clouds or steam bath). Some models of humidity testers have an unlimited measurement range. The physical area is between 40 and 65% r.h. Given that hot air possesses the ability to absorb more water vapour than cold air, people feel that in winter, air is too dry and in summer it is too humid. If air heats up it increases the amount of water vapour to that of saturation. The consequence is that the % of relative humidity decreases while the real quantity of water remains constant. Something similar occurs when air is cooled, decreasing the quantity of water vapour. This increases the percentage value of relative humidity. Condensation forms when there is an excess of water in saturated conditions. Some of our humidity testers offer the ability to not only measure relative humidity and temperature, but can also calculate dew point and dew point temperature. Dew point temperature is defined as the temperature at which the actual vapour content of air is the maximum (100% relative humidity). Dew point temperature is independant of the actual temperature. One possibility of dew point temperature is freezing metal until its surface forms condensation. The temperature of the metal will then be the dew point temperature. As we have mentioned, many of our humidity testers show dew point on their display.

Some humiditiy detectors in action are shown below.

Humidity testers recording humidity  and temperature in a toilet.	Humidity testers measuring humidity  and temperature outside.	Humidity testers taking a  measure in a warehouse

If you wish to view or print a selection of humidity testers from our catalogue, click the PDF symbol.

 

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If you have any questions, call our technicians on: +44 (0)2380 987030.

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Below you will find an overview of the different product groups of measuring instruments