Hygrometers

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Attention Thomas Scientific Customers

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  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • The RHM16 is a Miniature Hygro-Thermometer ideal for monitoring Temperature and Humidity conditions in enclosed or open space environments. It helps gauge proper heat and moisture levels and it also records high and low extremes during the day. Simultaneous display of Temperature and Humidity…

  • High-impact, plastic case serves as a pivoted handle in use Wet and dry bulb thermometers, range 20 to 120°F in 1° divisions Swivel-mount assures that the whirling thermometers always face air flow. Slide-rule humidity calculator is silk-screened on case. Slide rule range is…

  • 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…

  • 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…

  • Wirelessly display, log and download readings. Temperature / RH / Dew Point / Wet Bulb K, J, E, N, R, S or T Thermocouple probes Bluetooth® Hi / Lo Alarms Min / Max / Ave This portable Thermo-Hygrometer displays RH, ambient temperature /dew point / wet bulb and…

  • 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…

  • This paperless chart recorder provides simultaneous digital and graphical display of relative humidity and temperature. The display also shows dew point, date and time and Min/Max measurements. Stored readings can be recalled on the display or downloaded to a PC to obtain a permanent record.…

  • 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…

  • Hygrometer Masons

    Sper Scientific

    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 …

  • 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.…

  • 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,…

  • 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

  • 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…

  • Self-Contained Datalogger

    Sper Scientific

    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, at a…

  • 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.…

  • IR Thermometer 12:1

    Sper Scientific

    When temperature exceeds your minimum or maximum setting entire display flashes red. Simply hold the IR gun, press the trigger and aim the laser guide at the target. Results immediately appear in ºC or ºF on the backlit LCD and are automatically held for 6 seconds after the trigger…

  • The 445713-TP is a Big Digit Indoor/Outdoor Hydro-thermometer. This versatile thermometer simultaneously displays indoor temperature, relative humidity and outdoor temperature. Meter features selectable temperature units, Min/Max memory with reset and wall-mount or desktop options. Measures from…

  • 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…

  • 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.…

  • 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…

  • The RH210 is a Hydro-Thermometer that measures Relative Humidity, Temperature and Dew Point. This compact hydro-thermometer is ideal for many industrial or residential applications. Complete with probe and 39" (1m) cable, 9V battery and soft case.

  • 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…

  • The HT200 is a Heat Stress WGBT Meter which enables accurate measurements for Wet Bulb Globe Temperature (WGBT), Black Globe Temperature (TG), Humidity (%RH), Air Temperature (TA), Wet Bulb (WT) and Dew Point (DEW). Heat Stress Index measures how hot it feels when humidity is combined with…

  • The CTH10 is an attractive wall clock features an oversized 4.3" (109mm) digit time display that can be easily view from a longer distance than regular sized clocks. It receives Time Code from NIST Radio Station WWVB and it automatically adjusts year, date, day, hour, minute, second, and…

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