Accurate Hygrometers

Accurate hygrometers are ideal for measuring and monitoring humidity levels in the air. Monitors are suitable for usage in chemical storage areas, stock rooms, clean rooms, factories, or outdoor spaces. They are available in multiple sizes from Thomas Scientific, including pocket-sized options and numerous display sections to provide three current readings.

Accurate hygrometers are ideal within the lab for preventing mold and mildew growth by maintaining appropriate humidity levels and improving air quality. Features on various models include a digital display providing easy-to-read and recording humidity levels quickly and accurately. Analog hygrometers can be easily calibrated or adjusted to ensure accuracy over time. Some models allow users to do this, while others may require it. Accurate humidity sensors carry high-precision sensors that provide precise and reliable measurements.

We also carry a range of air samplers.

Accurate Hygrometers

Products (36)

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  • Hygro-Thermometer Psychrometer

    Conveniently check the Humidity and Temperature conditions in residential and professional settings to ensure comfort and safety. The RHT510 is a Hygro-Thermometer Psychrometer that measures Relative Humidity, Temperature, Dew Point, and Wet Bulb. General purpose bead wire Type K probe is included...

  • Humidity/Temperature Pen

    Dual LCD for simultaneous display of Relative Humidity and Temperature Temperature is °C/°F switchable Built-in Humidity and Temperature sensors for convenient operation Pocket size for quick and reliable measurements at any location Max/Min memory functions for display of highest and lowest...

  • Whirling Hygrometers

    Sper Scientific

    Red Liquid Whirling Hygrometer (-50~50°C) Obtain fast and accurate humidity readings anywhere by comparing the reading of the wet and dry bulb thermometers on the enclosed humidity chart. Eliminates the hazard of splattering mercury by using a safe and easy to read red liquid. The thermometers are...

  • Traceable® Humidity/Temperature Pen

    labForce® (powered by Thomas Scientific)

    Relative humidity range is 20 to 95% Resolution is 1% RH Accuracy is ±3.5% RH mid-range to ±5.5% RH in the usable range Temperature range is 32 to 122°F and 0 to 50°C Resolution is 0.1° Accuracy is ±1°C Features include minimum/maximum and memory. Unit measures 6...

  • Digi-Sense Professional Thermohygrometer

    Compact, lightweight design for accurate measurements anywhere! Ergonomic handheld thermohygrometers provide a fast and convenient way to accurately spot-check relative humidity and temperature in a wide range of environments and applications. When accuracy is a must in the field, in the lab, or on...

  • Rh/Temperature Pen

    Pocket-sized for field use Dual LCD Max/Min function Measures temperature (°C/°F) and relative humidity simultaneously. Relative humidity range: 10-90% RH, ±5%. Temperature range: 32-122°F, ±1.5°.

  • Thomas Traceable® Printing Hygrometer/Thermometer

    Humidity features: Relative humidity range from 10 to 95%. Resolution is ±0.1%RH and accuracy is ±3% RH mid-range, ±5% RH elsewhere. T1 Temperature features: T1 temperature range is -20 to 60°C (-4 to 140°F)  T1 resolution is 0.1°  T1 accuracy is...

  • WBGT Meters with Color-Coded LCD

    Takes the guesswork out of heat stress calculations. This unique heat stress meter features bright multi-color LCD backlights corresponding to OSHA’s heat stress alert levels. This visual alert system can be seen at a distance allowing management and workers to be instantly aware when the heat...

  • Traceable® Remote Alarm Rh/Temperature Monitor

    labForce® (powered by Thomas Scientific)

    Features include minimum/maximum memory and RH and temperature alarm. Unit measures 4 1/4” x 2 3/4” x 3/4” and weighs 4 ounces. Monitors are provided with an individually serial numbered Traceable® certificate from an ISO 17025 calibration laboratory accredited by A2LA....

  • Wireless Weather Station Kit

    WTH600-KIT is a Professional Weather Station with Integrated 5-in-1 Sensor. The wireless 5-in-1 sensor contains a self-emptying rain collector for measuring rainfall, anemometer, wind vane, temperature and humidity sensors. It is fully assembled and calibrated for your easy installation. It sends...

  • Psychrometer + IR Thermometer

    3-in-1 combination meter Combines the functions of a Humidity Meter, Type K Thermometer, and InfraRed Thermometer for non-contact surface Temperature measurement Built-in InfraRed Thermometer for non-contact temperature measurement to 932°F (500°C) with 30:1 distance to target ratio Type K...

  • RH/TEMPERATURE SD CARD LOGGER

    Records data onto removable SD Cards ROHS Compliant CE Mark 1-year warranty Reads relative humidity (RH) and ambient temperature dew point and wet bulb, and functions as a type K or J thermometer. Records data onto standard SD memory cards (like a digital camera). When full, simply exchange SD cards...

  • Thomas Traceable® Humidity/Temperature Meter

    labForce® (powered by Thomas Scientific)

    Hold feature AC adapter available Relative Humidity Relative humidity range is 10 to 95%. Resolution is 0.1% RH. Accuracy is ±2.5%. RH mid-range to ±5% elsewhere. Temperature Temperature range is -4 to 140°F or -20 to 60°C. Resolution is 0.1°. Accuracy...

  • Precision Hygro-Thermometer

    Highest 2% RH Accuracy Less than 30 second RH response time Dual backlit display Simultaneous display of: Humidity/Temperature, Humidity/Dew Point, Humidity/Wet Bulb Slim design with rubberized sides for better grip and for one hand operation • Data Hold and Min/Max functions Auto power off...

  • Multi-Channel Wireless Hygro-Thermometer

    RH200W is Extech’s Hygro-Thermometer base station, with easy-to-read 1.3" (33mm) big digits, displays indoor Temperature and Humidity levels. It can be connected wirelessly up to eight transmitters to read outdoor Temperature/Humidity levels or any remote locations up to 98ft (30m) away....

  • Thomas Traceable® Memory Hygrometer/Thermometer

    Simultaneously displays humidity and temperature Relative humidity range is 10.0 to 95% Resolution is 0.1% RH Accuracy is ±2% mid-range and ±4% elsewhere Temperature range is 0 to 199.9°F and -18 to 93°C Resolution is 0.1° Accuracy is ±1°C between 0 to 40°C,...

  • Thomas Traceable® Pocket Hygrometer/Dew Point/Thermometer

    labForce® (powered by Thomas Scientific)

    Relative humidity range is 20 to 100% Resolution is 0.1% RH Accuracy is ±3% RH mid-range to ±5.5% elsewhere Temperature/dew point range is 4 to 122°F and -20 to 50°C Resolution is 0.1° Accuracy is ±1°C Dual display shows relative humidity with either dew point or...

  • USB Humidity/Temperature Datalogger

    The RTH30 is a USB Humidity and Temperature Datalogger. Easy-to-use datalogger records Humidity and Temperature with date/time stamp. The datalogger is designed with a rugged housing and a standard USB connector where stored readings (up to 48,000 data) are conveniently transferred to a PC in PDF or...

  • Thomas Traceable Hygrometer/Thermometer

    labForce® (powered by Thomas Scientific)

    Relative humidity range is 25 to 95% Resolution is 1% RH Accuracy is ±3% RH mid-range to ±5% elsewhere Temperature range is 0-50°C / 32-122°F Resolution is 1° Accuracy is ±1°C Meter may be used with bench stand and can also be wall mounted. Unit measures 3...

  • Traceable® Digital Humidity Temperature/Dew Point Meter

    labForce® (powered by Thomas Scientific)

    Convenient triple memories recall minimum/maximum readouts for relative humidity, dew point, and temperature. Simultaneously displays all three current readings. Always-on feature allows for monitoring conditions all night, over weekends, and for extended time periods. Audible and visual LED alarm...

  • Thomas Traceable® Digital Humidity/Temperature Meter

    labForce® (powered by Thomas Scientific)

    Relative humidity range is 25 to 95% Resolution is 1% RH Accuracy is ±2% RH mid-range to ±4% elsewhere Temperature range is 32 to 122°F and 0 to 50°C Resolution is 1° Accuracy is ±1°C Use unit with bench stand or mount on wall. Meter offers minimum/maximum...

  • Wall Mount Thermohygrometer with Digital Thermometer

    Monitor both the humidity and temperature of your office, laboratory, greenhouse, food storage or computer room. This thermohygrometer remains accurate and stable without maintenance or adjustments. Analog humidity display; 1/2"H LCD temperature display with F or C readout. Supplied with one AA...

  • EzSmart™ Hygro-Thermometer

    The RHT3 is an EzSmart Hygro-Thermometer for use with Android or iOS Smart Devices. The RHT3 comes with a free app from iTunes and Google Play for taking readings. Complete with built-in sensor and protective connector cap with strap.

  • Digital Thermometer/Hygrometer, Jumbo Digit

    Temperature Range: -10° to 60°C (14° to 140°F) Humidity Range: +10 to 99% RH Accuracy: ±1.0°C & F and ±5% @ 25/75% RH Resolution: 0.1 Temperature and 1.0% Relative Humidity Minimum/Maximum Temperature and Humidity Memory Recalling Fahrenheit/Celsius Selectable...

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