Hygro-Thermometer with Connectivity to ExView® App

Humidity Meters

Whether you need help measuring humidity or dewpoint, or managing humidity control, Extech has a tool that can help. Choose from Extech's digital hygrometer, humidity meter, humidity sensor, or our unrivaled thermo hygrometer selection. Diagnose HVAC home humidity conditions, ensure healthy work and living spaces, and maintain health and safety conditions in the workplace daily.

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Barometric Pressure/Humidity/Temperature Datalogger

Extech SD700 - Extech Instruments Corporation

SD700 records data to SD card in Excel format. Displays Barometric Pressure in 3 units of measure: hPa, mmHg, and inHg. Triple LCD simultaneously displays Barometric Pressure, Temperature, and Relative Humidity. Datalogger date/time stamps and stores readings on an SD card in Excel format for easy transfer to a PC. Selectable data sampling rate from 5, 10, 30, 60, 120, 300, 600 seconds. Complete with (6) AAA batteries, SD memory card, Universal AC adapter, and mounting bracket.

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Humidity and Temperature Datalogger - Up to 16,000 Readings for RH/Temp & User-Programmable Sample Rate

Extech RHT20 - Extech Instruments Corporation

The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample rate. USB interface for easy setup and data download. Selectable data sampling rates from 1s to 24hr. User-programmable alarm thresholds for RH and Temperature. LCD displays current temperature and humidity readings plus Min/Max and Alarm status. Long battery life. Place or mount the datalogger in monitoring location (storage bin, truck, cargo hold, freezer, temperature-controlled room, etc.). Datalogger records temperature and humidity at sample rate set by user. Connect the datalogger to your PC via the USB interface to retrieve readings. Datalogger displays the current Humidity and Temperature plus Min/Max and alarm status so it can viewed anytime during the recording process. Complete with battery, mounting bracket, and software.

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Humidity and Temperature USB Datalogger - Reccords up to 16,000 Readings for Each Parameter

Extech RHT10 - Extech Instruments Corporation

The RHT10 datalogs Humidity and Temperature readings (up to 16,000 each) with user programmable sample rates from 2 seconds up to 24 hours for days, weeks and months. USB interface for easy setup and download. Dew Point indication via the included Windows software. User-programmable High/Low alarm thresholds for RH and temperature. Complete with 3.6-Volt Lithium battery, protective USB cap, mounting bracket, and Windows compatible software for analysis.

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Humidity+Temperature Chart Recorder with Detachable Probe

Extech RH520B - Extech Instruments Corporation

This paperless chart recorder provides simultaneous digital/graphical display of %RH and Temperature or Dew Point and shows date/time and Min/Max values. Use free PC-based software for data transfer to a PC and to graph %RH, Temperature, Dew Point, Wet Bulb, and GPP or g/kg. Audible and visual high/low alarm limits can be set for Humidity and Temperature. Ideal for: buildings and conference rooms; laboratory, pharmaceutical, cleanrooms, hospitals; food storage facilities, refrigeration; hydroponics and green houses.

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Humidity/Temperature Chart Recorder with Touch Screen - Datalog Relative Humidity, Temperature, and Calculated Dew Point on Interactive, 7-inch (178 mm) Color Screen

Extech RH550 - Extech Instruments Corporation

Simultaneously datalog and monitor relative humidity, temperature, and calculated dew point on the Extech RH550. It features live or user-scheduled recording time and programmable Min/Max alarm set points. A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 6.5 ft (2 m) cable. This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.

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Humidity/Temperature Datalogger

Extech SD500 - Extech Instruments Corporation

This Humidity/ Temperature Datalogger records data on an SD card in Excel format for easy transfer to a PC for analysis. It features a Dual LCD that simultaneously displays Relative Humidity and Temperature, and a selectable data sampling rate of 5, 10, 30, 60, 120, 300, and 600 seconds. Each stored reading includes a date and time stamp. 10 to 95% Relative Humidity and 32 to 122°F (0 to 50°C) Temperature ranges. Complete with 6 AAA batteries, SD memory card, Universal AC Adaptor, and mounting bracket.

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Hygro-Thermometer/Datalogger

Extech SDL500 - Extech Instruments Corporation

The SDL500 records data on an SD card in Excel format. Relative Humidity, Temperature, Dew Point, and Wet Bulb measurements. Adjustable data sampling rate. Stores 99 readings manually and 20M readings via 2G SD card. Type K/J Thermocouple input for high temperature measurements. Large backlit dual LCD display. Record/Recall Min, Max, Data Hold and Auto power off functions. Complete with 6 x AA batteries, SD card, carrying case and Humidity/Temperature probe.

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Temperature and Humidity Datalogger

Extech 42280 - Extech Instruments Corporation

The 42280 is an Extech Temperature and Humidity Data logger. Data logs up to 16,000 readings. Featuring a USB interface for downloading to a PC. Triple LCD displays humidity, temperature and date (year, month and day). Temperature range from -4 to 144°F (-20 to 70°C). Complete with Windows compatible software, USB cable, Universal AC adaptor, and four AA batteries.

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Temperature/Humidity Datalogger

Extech 42270 - Extech Instruments Corporation

The 42270 is an Additional Humidity and Temperature Datalogger for use with Extech 42275 and 42276 Kits. Datalogger measures temperature from -40 to 185°F (-40 to 85°C) and relative humidity from 0 to 100%. It can record up to 8000 readings of each parameter. Meter has a programmable sample rate of 1 second to 12 hours plus high and low alarm. A 42275 or 42276 kit is required to connect the datalogger to a PC for programming and data retrieval.

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USB Humidity/Temperature Datalogger

Extech RHT30 - Extech Instruments Corporation

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 Excel® spreadsheet format when plugged in. Additional features include an 8-location logger bookmark, 6-language options, programmable sampling interval, adjustable alarm, and password-protected security log-in. Large LCD optimizes viewing and the smart LED provides color-coded humidity, and temperature reading status.

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Digital Clock/Hygro-Thermometer

Extech CTH10A - Extech Instruments Corporation

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 Daylight Savings Time. In addition, it also measures Temperature and Relative Humidity! Perfect for desktop or wall mount display. This clock meter also features automatic adjust for daylight savings time (DST), programmable alarm clock with snooze feature, and a built-in stand for desktop or wall-mount. Complete with built-in stand and three C size batteries

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Big Digit Indoor/Outdoor Hygro-Thermometer

Extech 445713 - Extech Instruments Corporation

The Big Digit Hygro-Thermometer simultaneously displays indoor and outdoor Temperature and Humidity. Measures Humidity from 10 to 99% RH and Temperature from 14 to 140°F or -10 to 60°C. Accuracy is ±5%RH and ±1.8°F/±1°C. A Max/Min with reset function stores and recalls high and low measurements for all 4 parameters. Complete with built-in stand, wall mounting bracket, outdoor sensor with 35 in. (89cm) cable, and 1.5-Volt AAA battery.

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Big Digit Hygro-Thermometer with Remote Probe

Extech 445715 - Extech Instruments Corporation

This Big Digit Hygro-Thermometer with extendable probe (18” cable) measures humidity from 10% to 99% RH and temperature from 14 to 140°F (-10 to 60°C). Accuracy of ±4%RH and ±1°C/1.8°F. This meter also includes maximum, minimum and rest functions and has a rear calibration adjustment post with optional RH calibration bottles. Comes complete with built-in stand, mounting bracket, sensor, and 1 AAA battery.

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Big Digit Hygro-Thermometer

Extech 445703 - Extech Instruments Corporation

This Big Digit Hygro-Thermometer has 1 in. digits on a super large LCD. It simultaneously displays humidity from 10 to 99% and temperature from 14 to 140°F or -10 to 60°C. Accuracy is ±5%RH and ±1.8°F/±1°C. Maximum/minimum with reset function. Complete with stand, wall mounting bracket and 1 AAA battery.

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Hygro-Thermometer Clock

Extech 445702 - Extech Instruments Corporation

The 445702 combines 3 displays for Time, Temperature and Humidity. Clock displays 12/24 hour time. Maximum/minimum with reset function. Humidity: 10 to 85%. Temp: 14° to 140°F or -10 to 60°C. Accuracy: ±6%RH; ±1.8°F,±1°C. Complete with built-in tilt stand, wall mounting bracket and AAA battery.

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Hygro-Thermometer Humidity Alert with Dew Point

Extech 445814 - Extech Instruments Corporation

This Humidity Alert Hygro-Thermometer has a programmable %RH audible and visual alarm that alerts you when humidity exceeds the set limit. Large LCD simultaneously displays Temperature, Humidity and Dew Point. Product measures Humidity from 10 to 99% and Temperature from 14 to 140°F (-10 to 60°C). The meter has a basic accuracy of ±4%RH and ±1.8°F/1°C. Rear calibration pot for Humidity and Temperature. Featuring maximum/minimum with reset functions that store and recall the highest and lowest readings recorded. Comes complete with built-in stand, wall bracket and AAA battery.

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Hygro-Thermometer Humidity Alert with Dew Point

Extech 445815 - Extech Instruments Corporation

This Humidity Meter with Alarm and Remote Probe features a large triple display of relative humidity, temperature and dew point. Has a built-in stand for sitting on a desk but can also be mounted to a wall with included bracket. A visual and audible alarm warns when the humidity level goes above or below the adjustable set point. Meter also stores the maximum and minimum readings. Remote probe extends 18 in. for measuring behind walls. Ideal for use in humid areas where mold can become a problem. Comes complete with built-in stand, wall mount bracket, and 2 AAA batteries.

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Mini Hygro-Thermometer Monitor

Extech RHM15 - Extech Instruments Corporation

The RHM15 is a mini hydro-thermometer monitor which measures humidity and temperature and displays it simultaneously. The RHM15 has a built in memory which stores maximum and minimum readings. The RHM15 features a low battery indication and comes with a built in stand, user's manual and LR44 battery. Measures in °F only.

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Mini Hygro-Thermometer Monitor

Extech RHM16 - Extech Instruments Corporation

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. Measures in °C only.

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Multi-Channel Wireless Hygro-Thermometer

Extech RH200W - Extech Instruments Corporation

Extech’s Multi-Channel Hygro-Thermometer, with easy-to-read 1.3" (33mm) digits, displays indoor Temperature and Humidity levels. You can connect up to 8 wireless transmitters to remotely measure Temperature/Humidity levels up to 98ft (30m) away. The LCD is designed with an auto-night light and it displays icons that indicate indoor comfort levels and trending arrows that show the increase, decrease or constant readings. It also records Min/Max for the duration of each measurement session. Ideal for multi-room environmental monitoring for restaurants, manufacturing facilities, offices, homes, greenhouses, and storage/archive buildings.

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Hygro-Thermometer with Connectivity to ExView® App

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