Hygrometer
Order no.: PCE-780
The Multi-function Hygrometer PCE-780 consists of an infrared thermometer and an integrated humidity meter. With the two sensors, it can record values to determine the dew point. If this dew point is reached or undershot, there is a risk of moisture settling and thus of mould.
- Infrared measurement range: -76 ... 932°F / -60 ... 500°C
- Infrared temperature measurement
- Air temperature and humidity measurement
- Calculation of dew point
- High contrast LCD display
- Adjustable high and low alarm
Manufacturer: PCE Instruments
Order no.: PCE-THA 10
The Multifunction Hygrometer PCE-THA 10 is easy to operate with one hand thanks to its compact size, the new structure and integrated impeller. In addition to the wind speed, the Hygrometer measures the temperature, humidity, dew point, the wet bulb temperature and the air volume. Average values can be determined with the Hygrometer from the 20 preset points. Manufacturer calibrated / ISO as an option.
- Temperature measuring range: -15 ... 50°C / 5 ... 122°F
- Humidity range: 5 ... 95% RH
- Air speed: 0.4 ... 35 m / s
- Air flow: 0 ... 9.999 m3 / s
Manufacturer: PCE Instruments
Order no.: PCE-THB 38
The PCE-THB 38 Hygrometer is ideal for detecting and digitally displaying humidity, temperature and barometric pressure. Temperature is measured by an RTD sensor and air humidity is measured by a highly repeatable, capacitive sensor. All products are test instruments, and the Hygrometer is sent out manufacturer calibrated. An ISO certification is available optionally.
- Temperature: 0 ... 50°C / 32 ... 122°F
- Relative air humidity: 10 ... 95% r.h.
- Barometric pressure: 10 ... 1100 hPa (mbar) / 0.14 psi ... 16 psi.
- Dew point temperature: -25 ... 49°C / -13 ... 120°F
Manufacturer: PCE Instruments
Order no.: PCE-FWS 20N
This hygrometer station with outside sensor is a real all-rounder. The wireless hygrometer station with outside sensor is easy to assemble based on the instructions provided. You do not have to be a professional to operate the wireless hygrometer station and outside sensors. The weather data of the hygrometer station with outside sensor for different parameters are sent up to 100 meters by radio signal to the main station.
- Indoor temperature in Celsius or Fahrenheit
- Outside temperature in Celsius or Fahrenheit
- Indoor air humidity / outdoor air humidity
- Air pressure gauge in inHg or hPa
- Absolute or relative air pressure display selectable
- Precipitation indication in mm or inch
- Precipitation indicator for 1 hour, 24 hours, 1 week, 1 month
- Wind speed in mph, km / h, m / s, knots ...
- Wind direction indicator
- Wind chill temperature gauge
- Weather forecast, trend indicator, storm warning
- and much more...
Manufacturer: PCE Instruments
Order no.: PCE-HVAC 3
PCE-HVAC 3 is a multifunction hygrometer or diagnostic measuring device used for indoor climate and environmental monitoring. In addition to measuring relative humidity and ambient room / dry-bulb temperature, the meter calculates dew-point and wet-bulb temperatures in degrees Celsius (°C) and Fahrenheit (°F). Thus, heating, ventilation and air conditioning (HVAC) installations and HVAC system performance assessments are key applications of the PCE-HVAC 3 meter.
- Relative humidity measuring range: 0 ... 100% RH
- Ambient / dew-point temp. range: -30 ... 100°C / -22 ... 212°F
- Wet-bulb temp. range: 0 ... 80°C / 32 ... 176°F
Manufacturer: PCE Instruments
Order no.: PCE-EM 888
PCE-EM 888 is a portable handheld hygrometer ideal for monitoring environmental conditions and the performance of heating, ventilation and air conditioning (HVAC) systems. This multifunctional digital device is used to measure wind speed, volumetric air flow, temperature, relative humidity, light and barometric pressure.
- Wind speed
- Volumetric air flow
- Air temperature
- Relative humidity
- Type K thermocouple sensor
- Barometric pressure
- Light
Manufacturer: PCE Instruments
Order no.: PCE-320
With the PCE-320 Hygrometer it is possible to measure climate conditions such as temperature and relative humidity, as well as determining surface temperature of objects simultaneously by using the included external temperature sensor or using an infrared measurement. The Hygrometer offers features such as average value, maximum, minimum, and hold functions at a reasonable price.
- Internal probe
- Temperature: -20°C ... 60°C / -4 ... 140°F
- Relative humidity: 10 ... 90% r.H.
- Temperature of global: -22°C ... 60°C / -8 ... 140°F
- Humidity: -68°C ... 60°C / -90 ... 140°F
- Dew point temperature: depending on the sensor
- External probe
- Temperature: -50° C ... 500° C / -58 ... 932°F
Manufacturer: PCE Instruments
Order no.: PCE-VA 20
PCE-VA 20 is a multifunction hygrometer for assessing wind, weather, indoor / outdoor environmental climate conditions as well as for testing heating, ventilation and air conditioning or cooling (HVAC) systems. This combination anemometer-hygrometer-thermometer features a 10 cm / 3.9" Ø fan impeller, easy-to-read backlit LCD, and functions such as display hold, average value, maximum value, minimum value, battery-saving automatic power off, low-battery indicator, and metric or imperial unit selection.
- Measures air flow velocity, volume flow, relative humidity, air temperature, dew
point temperature and wet-bulb temperature
- Air flow velocity range: 0.2 ... 30 m/s (39.4 ... 5905.5 fpm)
- Accuracy: ±(1.5% of measured value + 0.3 m/s) when less than 20 m/s, ±
(3% of measured value + 0.3 m/s) when more than 20 m/s
- Resolution: 0.1
Manufacturer: PCE Instruments
Order no.: PCE-313A
PCE-313A is a thermo hygrometer used to measure the relative humidity (% RH) and temperature (°C / °F) of the air. Ideal for use in evaluating heating, ventilation and air conditioning (HVAC) system performance, this combination digital thermometer / digital hygrometer also has a port for connecting a type-K thermocouple.
- Relative humidity: 5 ... 95% r.H.
- Temperature: 0 ... 50°C / 32 ... 122°F
- Type K: -50 ... 1300°C / -58 ... 2372°F
- Calculated dew point: -25.3 ... 48.9°C / -13.5 ... 120°F
- Wet bulb temperature: -21 ... 50°C / -5.8 ... 122°F
- Memory: SD card (1 ... 16 GB)
Manufacturer: PCE Instruments
Order no.: PCE-HT 120
The hygrometer PCE-HT 120 is used to measure temperature and humidity. The measurement data from the hygrometer are displayed in an app on the tablet or smartphone and the display.
Measuring function
- Humidity
- Temperature
- Dew point
- Wet bulb temperature
- Ethernet: WLAN / WIFI
- Accespoint and client mode
- Connection for external PT1000 sensor
Measuring function
- Humidity
- Temperature
- Dew point
- Wet bulb temperature
- Ethernet: WLAN / WIFI
- Accespoint and client mode
- Connection for external PT1000 sensor
Manufacturer: PCE Instruments
Order no.: PCE-313 S
The PCE-313 S Hygrometer has been designed for professional use in fields such as the air-conditioning sector. The PCE-313 S Hygrometer determines both relative humidity and ambient temperature. The PCE-313 S Hygrometer can be connected to type K thermo-elements to detect, for instance, the temperature of a wall by means of a surface probe.
- Relative humidity: 5 ... 95% r.H.
- Temperature: 0 ... 50°C / 32 ... 122°F
- Type K: -50 ... 1300°C / -58 ... 2372°F
- Calculated dew point: -25.3 ... 48.9°C / -13.54 ... 120°F
Manufacturer: PCE Instruments
Order no.: PCE-HT 420
The hygrometer records humidity and air temperature and stores it internally. This compact and robust hygrometer in mini format and with a large memory (up to a maximum of 32,000 values / 16,000 values per parameter) is mainly used for long-term registration (refrigerated counters in department stores, refrigerated transport, warehouses, PC climate chambers).
- Temperature: -40 ... 70°C / -40 ... 158°F
- Humidity: 0 ... 100%
- Dew point calculation (accuracy ± 2°C / 3.6°F)
- Operating temperature: -40 ... 80°C / -40 ... 176°F, max. 80% rF
- Datalogger for temperature and humidity
- LCD display
- E-mail when value is exceeded
- Ethernet
- Power supply or PoE (selectable)
Manufacturer: PCE Instruments
Order no.: PCE-330
PCE-330 is a multifunction hygrometer with a quick-response sensor for determining ambient temperature, relative humidity and dew point temperature. Equipped with an easy-to-read dual display, this data-logging indoor air quality (IAQ) meter features a large internal memory with storage for up to 16,000 recorded values.
- Temperature range: -20 ... 60°C / -4 ... 140°F
- Relative humidity range: 0 ... 100% RH
- Resolution: 0.1° / 0.18°F
- Accuracy: ± 0.8°C / ± 1.5°F, ± 2.0 ... 4.0% RH
Manufacturer: PCE Instruments
Order no.: PCE-G 2
The Hygrometer PCE-G 2 is used to measure the environmental parameters of temperature and humidity.
The hygrometer is used in warehouses, open-plan offices, schools, etc.
- Measuring range temperature: -40 ... 85 °C
- Measuring range humidity: 0 ... 99 % r.H.
- 55 mm character height
- Up to 30 m reading distance
- External sensor (wired)
Manufacturer: PCE Instruments
Order no.: PCE-VDL 16I
The hygrometer PCE-VDL 16I from PCE Instruments measures and stores the relevant measured variables: temperature, relative humidity, air pressure, light as well as acceleration in three axes by means of a vibration sensor. Therefore, this hygrometer is ideal for monitoring vibrations on machines while simultaneously measuring and recording the relevant environmental conditions of the system.
- 3-Axis acceleration up to 800 Hz
- 32 GB SD memory card
- Evaluation software
- Small design: 86.8 x 44.1 x 22.2 mm / 3.4 x 1.7 x 0.87 in
- Temperature, Humidity, Air pressure, Vibration, and Light
Manufacturer: PCE Instruments
Order no.: PCE-WB 20SD
PCE-WB 20SD is a multifunction data-logging hygrometer. This hygrometer measures indoor / outdoor wet bulb globe temperature (WBGT), black globe temperature (TG), wet bulb temperature (WB), dew point temperature, air temperature (TA) and relative humidity. Thus, this multipurpose data-recording hygrometer is an ideal tool for evaluating heat stress risks in different work environments.
- Programmable WBGT alarm setting with audible and visual alerts
- Manual (push-button) or automatic (adjustable 1 ... 3600 sec) sampling
- SD card memory (1 ... 16 GB) allows for quick and easy data transfer to a PC
Manufacturer: PCE Instruments
Order no.: RH5
RH5 is a penetrating, nondestructive, capacitive absolute moisture meter used to measure temperature and moisture in reels, stacks and piles of paper or cardboard. Featuring data logger and PC interface capabilities, this high-tech paper humidity measuring device measures relative humidity from 0 ... 100% rh, temperature from -10 ... 60°C / 14 ... 140°F, and dew point from -55 ... 60°C / -67 ... 140°F. Affording a large graphic display and multi-language menu, the easy-to-use RH5.
- Measuring range 0...100% rH, -10 ... 60°C / 14 ... 140°F
- Offers an accuracy of ± 1.5% r.h. and ± 0.1%°C / 0.3°F
- Supplied with a 295 mm / 11.6 in aluminum sword sensor
- Stores up to 10,000 measured values
Manufacturer: Messtechnik Schaller GmbH
Order no.: PCE-G1
The PCE-G1 hygrometer has been designed for measuring relative humidity and temperature, with readings shown on its high visibility display. The hygrometer is composed of a 100 mm high LED and comes with IP54 rating. This hygrometer has a display that will alternate values and show relative humidity for 2 seconds followed by temperature for 2 seconds. All test instruments are delivered manufacturer calibrated. An ISO certification is available optionally. Celcius only temperature display.
- Measurement ranges relative humidity / temperature: 10 ... 95 % r.H. / 0 ... +60 °C
- Resolution relative humidity / temperature: 1 % r.H. / 1 °C
- Accuracy relative humidity / temperature: ±2 % r.H. / 1 °C
- Display: 100 mm high LED (alternates values)
- Protection: IP 54
Manufacturer: PCE Instruments
Order no.: PCE-WM1
PCE-WM1 is a multi-function metric thermo hygrometer used to determine relative humidity (% RH), absolute humidity (g/m³), air temperature, dew-point temperature and surface temperature (°C). This Metric-only measuring instrument comes complete with an external sensor probe for taking the surface temperature of different materials.
- Temperature range: -20 ... 80°C
- Relative humidity range: 10 ... 95% RH
- Absolute humidity range: 0.5 ... 74.4 g/m³
Manufacturer: PCE Instruments
Order no.: PCE-G1A
PCE-G1A is a thermo hygrometer with a large display. This IP54-rated wall-mountable device measures both relative humidity (%RH) and temperature (°C only). The PCE-G1A thermo hygrometer has a large LED display with a number height of 100 mm / 3.9 in, so measurement values can be seen at a distance of up to 50 m / 164 ft away. Celcius only temperature display.
- Measurement ranges relative humidity / temperature: 10 ... 95% RH / 0 ... 60°C
- Resolution relative humidity / temperature: 1% RH / 1°C
- Accuracy relative humidity / temperature: ±2% RH / 1°C
- 2-channel analog output of 4 ... 20-mA
- Display: 100 mm / 3.9 in tall LED digits (alternates values)
Manufacturer: PCE Instruments
Tips on Buying a Hygrometer
The following text is designed to assist you in purchasing a hygrometer. However, should you have any questions about the hygrometer products found on this website, please do not hesitate to contact the PCE technical support team at or +44 (0) 2380 987 035 for PCE Instruments UK, or at or +1 (561) 320-9162 for PCE Americas Inc.
Accuracy is a key component to consider when buying a hygrometer. When looking at different hygrometer devices, it is important to evaluate the hygrometers based on the level of accuracy required for your application, as a high-accuracy hygrometer product typically comes with a higher price tag. For example, a high-accuracy hygrometer would be essential for a food safety inspector, as stringent standards must be met when it comes to food storage and refrigeration. In contrast, if you are in search of a hygrometer for use in your home, a device with lower accuracy would provide you with an adequate estimate of the relative humidity indoors.
For temporary humidity measuring applications (such as simple control measurements, spot checks to assess concrete drying conditions, or evaluations of heating, ventilation and air conditioning (HVAC) system performance), a portable handheld
hygrometer without memory may be used. Portable hygrometer devices often are ergonomically designed to allow for quick, easy and comfortable one-handed operation.
For long-term or continuous monitoring of relative humidity, a fixed hygrometer with memory and data-logging capabilities is ideal. Many fixed hygrometers with memory record and store date- and time-stamped humidity measurement data either to an internal memory or a removable SD memory card. Depending on the model, some hygrometers for continuous monitoring also record and store peak values (minimum and maximum) and/or emit an alarm when a certain user-defined threshold of air humidity is reached. Most data-logging hygrometers allow the stored data to be transferred to computer using special software, a USB or RS-232 interface cable and/or an SD memory card reader. Data transfer to a computer makes documentation and reporting easy, as measurements do not have to be written down by hand. In addition, some hygrometer products save the data in a Microsoft Excel-compatible format.
Stationary hygrometers used for the continuous monitoring of climate-controlled environments like refrigerated trucks, storage units, warehouses and museum archives are used to survey indoor environmental conditions in the context of safety and quality assurance. Hygrometers with memory also aid in documenting an organization's compliance with industry standards and best practices. Hygrometers for permanent installation usually come with the necessary brackets or hardware required for mounting the device on a wall or DIN rail. Often a fixed-installation hygrometer instrument is equipped with a kickstand or tripod, so the device can be positioned as needed on a desk, table, counter or workbench. If it is necessary to read the humidity measuring results from a distance, a hygrometer with a large and easy-to-read liquid crystal display (LCD) should be selected. In addition, when working in low-light or dark environments, it is critical that the display be backlit.
Again, application plays an important role when selecting a hygrometer. For non-professional use, a simple hygrometer that only needs to be switched on to start measuring is recommended. Most professional usages will require a hygrometer with more advanced functions. Bear in mind, the more functions a hygrometer possesses, the more complex the hygrometer will be to use. However, experienced contractors, technicians and engineers will be more than comfortable using a hygrometer with added functionality, as digital hygrometer menu structures are somewhat standardized throughout the test, measurement and inspection equipment industry. If a hygrometer has many different functions, it can be helpful to have several buttons or keys on the device, as more keys can provide time-saving shortcuts for navigating a device's menu structure. In just-in-time (JIT) manufacturing environments, even the smallest time savings can be a tremendous asset. Another point to consider regarding keys is their size. For example, in the food processing industry, bigger keys are desired to accommodate users required to wear protective gloves.
The hygrometer's material and ingress protection (IP) rating are additional factors to explore before buying. Depending on the anticipated operating conditions, your hygrometer may need to be made of a durable material such as high-quality ABS plastic. Your hygrometer's housing also may need to be dustproof or waterproof. The IP rating system is a widely recognized set of international standards related to an electronic device's ability to protect against the intrusion of foreign bodies. This rating is typically presented as the letters I and P followed by a two-digit number, i.e., "IP##." The first digit of the number pertains to solids (dust), while the second digit pertains to liquids (water). The higher the digit, the greater the level of protection afforded by the device.
Lastly, don't forget to evaluate the hygrometer's power supply and accessories. If your hygrometer is powered by batteries, the batteries should be a commonly used size so they are easy to find and affordable to replace. If your hygrometer is powered by an AC adapter, take care to ensure the power cable won't interfere with other aspects of your work environment. Many PCE-brand hygrometers offer replacement parts like spare batteries, sensors, cables and adaptors as optional accessories. In addition, an ISO calibration certificate can be obtained as an accessory for most PCE-brand hygrometer products.
More Information on Hygrometers
The term hygrometer comes from the Greek words hygro (meaning “wet, moist; moisture”) and metron (meaning “a measure”). Thus, a hygrometer is a device used to measure moisture in the air, i.e., humidity. In modern measuring technology, a hygrometer often is used in combination with a temperature measuring instrument. The measured values for relative humidity and temperature can be used to in tandem to measure dew point or water vapor content. Frequently, a hygrometer also is mistakenly referred to as a hydrometer. However, these two types of testing devices do not have much in common. In contrast to the hygrometer, which measures humidity, a hydrometer measures the density or a specific weight of a liquid.
Humidity, also called relative humidity or air humidity, is defined as the amount of water vapor in the air. However, humidity is relative. It is normal and even important that air contains water vapor. The amount of water vapor in the air depends on several factors, including the temperature of the air. Warm air is generally more humid than cold air. This means that when air temperature decreases, the maximum amount of water the air can hold also decreases. A hygrometer displays readings in a percentage of relative humidity (% RH). So, if a hygrometer displays a measuring result of 20% RH, then the air holds 20% of the maximum amount of water possible at that temperature.
When the air is humid outdoors, water and sweat evaporate more slowly. Fog, dew and precipitation become more likely. Indoors, high humidity can trigger symptoms for those suffering from allergies, asthma and chronic obstructive pulmonary disease (COPD). Excessive condensation also can form in overly humid indoor environments, resulting in the growth of mold and bacteria. However, when the indoor air is too dry, skin becomes itchy and dry and can even crack. Some people also experience problems with nose bleeds in very dry climates.
When the air is too humid indoors, it can sometimes be enough to simply open some windows and doors. Other times, the performance of the HVAC system should be evaluated by a trained professional. In extreme cases, a more complex measure must be taken, like the installation of an extractor fan. In many instances, a reliable hygrometer can be used to identify the root of the problem.