- Equipment
- Instruments
- Furniture
- Chemicals
- Supplies & Consumables
- Safety & Apparel
- Thomas® Brand
- Clearance
- Browse By
For Customer Service Call 1.800.345.2100 International Sales
Delivering Quality Scientific Supplies Worldwide Since 1900
Hygrometers
Thomas®
Traceable® Jumbo Humidity/Temperature Meter
Measures in °C or °F External temperature sensor works underwater NIST Traceable® certificate included Jumbo 1 1/8” display Self-contained, stable and accurate unit requires no adjustments or maintenance. The minimum and maximum memories may be shown or cleared at any time with the touch…
Thomas®
Thomas Traceable Hygrometer/Thermometer
Relative humidity range is 25 to 95% Resolution is 1% RH Accuracy is ±3% RH mid-range to ±5% elsewhere Temperature range is -58 to 158°F and -50 to 70°C Resolution is 0.1° Accuracy is ±1°C Meter may be used with bench stand and can also be wall mounted. Unit measures 3 1/2” x 5” x…
Extech
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…
Thomas®
Thomas Traceable® Digital Humidity/Temperature Meter
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 feature. Meter measures 2 5…
Hanna
Thermohygrometer
Measures temperature and relative humidity without changing probes Temperature range: 0.0 to 60.0°C, ±0.4°C Relative humidity range: 10.0 to 95.0%, ±2% Large, easy-to-read LCD Unit is controlled with a rotary switch. Simply turn switch to °C for temperature readings or %H for relative…
Thomas®
Thomas Traceable® Memory Humidity/Temperature Meter
Relative humidity range is 25 to 95% Resolution is 1% RH and accuracy is ±2% mid-range to ±4% elsewhere External sensor temperature range is -58 to 158°F and -50 to 70°C Ambient temperature sensor range is 32 to 122°F and 0 to 50°C Resolution is 1° Accuracy is ±1°C Meter also offers…
Hanna
Compact, Portable Thermo-Hygrometer
HI 93640 is a compact, portable and versatile hygrometer that monitors relative humidity, anywhere. The built-in thin-film capacitance sensor assures accurate humidity measurements from 5 to 95% RH with a resolution of 0.1%. The rubber keypad protects the keyboard from dust and accidental…
Thomas®
Traceable® Remote Alarm Rh/Temperature Monitor
Relative humidity range is 20 to 99% Resolution is 1% RH Accuracy is ±5% RH mid-range Temperature range is -58 to 158°F and -50 to 70°C Resolution is 0.1° Accuracy is ±1°C Features include minimum/maximum memory and RH and temperature alarm. Unit measures 4 1/4” x 2 3/4” x 3/4”…
Thomas®
Thomas Traceable Humidity / Temperature / Dew Point Meters
Traceable unit displays humidity to 0.01%—use for QC, ISO 9000, and R/D Traceable® Digital Hygrometer/Thermometer/Dew Point instrument, by using a special breed of artificial intelligence, provides a response time of under 10 seconds with a resolution of 0.01%RH, 0.01°F/°C, and 0.01° dew…
Thomas®
Thomas Traceable® Radio Signal Remote Humidity Meter/Thermometer
Temperature and RH alarm Relative humidity range is 25 to 90% Resolution is 1% RH Accuracy is ±2% RH mid-range and ±4% elsewhere Temperature range is -4 to 140°F and -20 to 60°C Resolution is 0.1° Accuracy is ±1°C Radio signal transmits on a frequency of 433 MHz. Signal range is 65…
Sper Scientific
Indoor Air Quality Meter
Monitor indoor air quality in public spaces with potentially high levels of CO2 (carbon dioxide) CO,sub Humidity Dew Point Air Temperature Wet Bulb Temperature Poor air quality may cause tiredness, inability to concentrate, and even illness (i.e., Sick Building…
Thomas®
Thomas Dial Hygrometer/Thermometer
Large, easy-to-read dial Temperature range: -40 to 122°F (-40 to 50°C); 1° resolution Humidity range: 0-100%, 1% resolution Accuracy: ±2.5% RH at 50% RH and ±1.5°C Self-contained, stable and accurate unit requires no adjustment or maintenance. Large, highly-visible dial format is ideal…
Extech
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…
Thomas®
Thomas Traceable® Dew Point/Wet Bulb/Humidity/Thermometer
Relative humidity range is 1 to 99% Resolution is 0.1% RH Accuracy is ±4% RH between 20 to 80% RH Humidity features include dew point/wet bulb functions, minimum/maximum memory and high/low alarms Temperature range is -40 to 158°F and -40 to 70°C Resolution is 0.1° Accuracy is ±1°C…
Sper Scientific
Dial Hygrometer/ Thermometer
20 ~ 100% RH scale on 4" dial. Uses a precise synthetic hair hygrometer with an accuracy of ±5%. Inner dial shows temperature using a bimetal thermometer, with an accuracy of ±2°F. N.I.S.T. traceable certificate of compliance available: 736920C
Dickson
Th300 Temperature/Humidity/Dew Point Monitor
Includes 1-Pt. NIST Certificate of Calibration Temperature/humidity/dew point switchable Store and recall 16 readings Delta T function to calculate change in temperature readings Monitor is ideal for field and on-site temperature, relative humidity and calculated dew point…
Thomas®
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, otherwise ±2°C…
Oakton
Chart Hygrometer
Economical and compact; ideal for “on-site” operation Quartz-controlled drive for accuracy Runs for six months on a single AA battery Records temperature and humidity on a 7-day rotation chart. Uses a bi-metallic strip for temperature and one human hair bundle for humidity. Humidity…
PSYCHRO-DYNE PSYCHROMETER
For use in confined areas With battery-powered motor blower Response time 1 1/2 to 2 minutes Meets U.S. Weather Bureau and U.S. Navy specifications for the determination of relative humidity and dew point Matched mercury-filled thermometers, range +10° to 120°F in 1°…
Thomas®
Traceable® Humidity/Temperature Pen
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 5/8” x 1 1/4” x 1/…
Sper Scientific
Humidity/Temperature Monitor
Large 3 3/16” x 2 1/2” dual display Recall min/max temperature and humidity readings Stand or wall mount Monitor can be used in labs, chemical storage areas, clean rooms, stock rooms, factories or outdoors. Unit can be used to monitor desiccators, incubators, refrigerators…
Thomas®
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 ±1°C (±1.8°F) Humidity T1…
Extech
Heat Stress WBGT Meter
Heat Stress Index measures how hot it feels when humidity is combined with temperature, air movement, and radiant heat Black Globe Temperature (TG) monitors the effects of direct solarradiation on an exposed surface Air Temperature (TA) plus Relative Humidity (RH) Selectable units of °F and…
Sper Scientific
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…
Defelsko
PosiTector® DPM Environmental Monitoring Gages
PosiTector® DPM Standard and Advanced Environmental Monitoring Gages The PosiTector DPM1 includes a Standard(1) gage body, the DPM3 includes an Advanced(3) gage body and a built-in removable DPM probe for measuring and recording climatic conditions including: relative humidity, air temperature,…
Rotronics
Hygropalm Portable Hygrothermometers
Rugged state-of-the-art instrument uses the latest digital technology Choice of interchangeable probes Built-in self diagnostics This unique instrument has an operating range of 0 to 100% RH, accuracy ±0.5 to +1.5% reading (non condensing, probe dependent); -50 to 200°C, accuracy ±0.2°C.…
Extech
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°.
Sper Scientific
Remote Alarm RH/ Temp Monitor
Temperature/RH sensor is mounted on a 7' cord Stands or wall mounts N.I.S.T. traceable certificate of compliance available: 1225A01
Sper Scientific
Self-Contained Datalogger
Logs up to 16,000 readings Place the Datalogger in it’s docking station and program it using your computer and the Datalogger’s own software. Set to read temperature and RH in intervals of 1 second to 2 hours, and for visual min/max alarms if desired. Choose to begin recording immediately,…
Thomas®
Traceable® Digital Humidity Temperature/Dew Point Meter
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…
Extech
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…
Sper Scientific
Hygrometer Masons
One thermometer bulb is kept constantly wet by a siphon reservoir while the other gives a dry temperature reading. Humidity is obtained by comparing the two readings on the enclosed chart. Uses a safe and easy to read red liquid in place of the usual mercury. Dual scales of -10/50°C and 10…
 |
 |
 |
 |
 |
 |
Site Search by
Back To Top
- We Believe You Are Important - How Can We Help?
Thomas Scientific is a Small Business, EEO supplier ©Thomas Scientific 2013