Hygrometers

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Traceable® Jumbo...
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 Traceable...
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…

Humidity/Temperature...
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 Traceable®...
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…

Thermohygrometer
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 Traceable®...
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…

Compact, Portable...
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…

Traceable® Remote...
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 Traceable...
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 Traceable®...
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…

Indoor Air Quality...
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 Dial...
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…

Psychrometer + IR...
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 Traceable®...
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…

Dial Hygrometer/...
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

Th300 Temperature...
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 Traceable®...
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…

Chart Hygrometer
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...

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°…

Traceable® Humidity...
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/…

Humidity/Temperature...
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 Traceable®...
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…

Heat Stress WBGT...
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…

RH/TEMPERATURE SD...
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…

PosiTector® DPM...
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,…

Hygropalm Portable...
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.…

Rh/Temperature Pen
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°.

Remote Alarm RH/...
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

Self-Contained...
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,…

Traceable® Digital...
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…

Precision Hygro...
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…

Hygrometer Masons
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…