Humidity Detectors
On our website, you will find humidity detectors that can measure relative air humidity, or combined devices that can also measure temperature. These humidity detectors 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 detectors 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 detectors 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.

Here you can see gas detectors from these companies:

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

- PCE-HT 71N Humidity Detectors
  (Internal sensor for temperature and humidity, memory for 32,000 values)

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

- Log100/110 Humidity Detectors
  (Humidity detectors for temperature and humidity / with entrance for ext. sensor, 60.000 measurement values)

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

- PCE-P18 sensor Humidity Detectors
  (Humidity Meters with 4…20mA output, Different filters deliverable, for constant monitoring)

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

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

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

- PCE-555 Humidity Detectors 
  (For measuring relative humidity, temperature and dew point)

- PCE-310 Humidity Detectors
  (Measures, temperature, humidity and dew point)

- PCE-320 Humidity Detectors
  (Measures temperature, humidity and dew point, has connections for temperature sensors)

-  PCE-MMK 1 Humidity Detectors  
  (Humidity Meters with Max- and Min- value, for wood, board paper and construction material)

- PCE-HGP Humidity Detectors
  (Combined detectors to measure relative and absolute humidity and temperature)

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

- PCE-HT110 Humidity Detectors 
  (External display, data logger, sensor for temperature and humidity)

- PCE-THB 40 Humidity Detectors
  (Humidity detectors to ambient temperature, humidity and barometric pressure)

- PT-DPM Humidity Detectors
  (Humidity detectors for detecting critical environmental conditions in the field of surface coating)

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

- PCE-313 series Humidity Detectors 
  (With memory, interface and software)

- ThermoAir3 Humidity Detectors
  (Humidity detectors to measure low air flow with a directional or multidirectional sensor)

- MiniAir20/MiniWater20 Humidity Detectors 
  (Humidity detectors to measure very low flow speed / automatic probe detection)

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

- PCE-APA 1 Humidity Detectors
  (Vacuum humidity detectors, suitable for control and adjustments)

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

- PCE-G1A Humidity Detectors 
  (Humidity detectors with two channels to humidity and temperature)

- 5xx Series Humidity Detectors
  (Humidity detectors with external sensor, 4 different types, analogue/digital display, aluminium casing)

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

- PM-3 Humidity Detectors
  (Absolute moisture meters to measure water content in paper rolls and decks, ATC)

- RH5 Humidity Detectors  
  (Humidity detectors for the moisture of stored paper)

- AVM-4000 Humidity Detectors 
  (Humidity detectors for temperature + humidity+ pressure..)

- TDR-100 Humidity Detectors 
  (Humidity Detector Software pre-programmed user-specific)

- WatchDog Humidity Detectors
  (Cup humidity detectors to measure temperature, humidity, pluviometry, wind speed, logger)

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

- Klimagriff Humidity Detectors 
  (Humidity detectors for preventing mould, temperature and humidity measuring, acoustic alarm function)

- FMU Humidity Detectors 
  (Humidity detectors  for fixed installation of up to 99 humidity sensors)

- Humidity Detectors 
  (Balance for measuring humidity content)

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

All humidity detectors 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 detectors).

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

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 detectors, 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 detectors 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 detectors 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 detectors show dew point on their display.

If you wish to view or print a selection of humidity detectors 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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