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Indoor & Outdoor Temperature / Humidity Monitors

Extech 401014 Big Digit Indoor/Outdoor Thermometer
In Stock : Get It Next Working Day*
Extech 401014 Big Digit Indoor/Outdoor Thermometer
£21.29
£25.55 inc. vat
  • Simultaneously displays indoor and outdoor temperatures
  • Big digit display can be easily seen from a distance
  • Includes wall bracket and 3 metre extension cable with waterproof outdoor sensor
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Extech 401014A Indoor/ Outdoor Temperature Alert
Stock Due : Estimated 1-2 Weeks
Extech 401014A Indoor/ Outdoor Temperature Alert
£21.39
£25.67 inc. vat
  • Measure and display indoor and outdoor temperatures simultaneously
  • Indoor temperature range: -10 to 60°C / 14 to 140°F
  • Outdoor temperature range: -50°C to 70°C / -58°F to 158°F
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Extech 445702 Hygro Thermometer Clock
In Stock : Get It Next Working Day*
Extech 445702 Hygro Thermometer Clock
£29.95
£35.94 inc. vat
  • Triple LCD display shows time, temperature and humidity levels at the same time
  • Can be placed on a desk or wall mounted
  • User-settable clock alarm
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Extech 445814 Humidity, Dewpoint and Temperature Alert
In Stock : Get It Next Working Day*
Extech 445814 Humidity, Dewpoint and Temperature Alert
£31.00
£37.20 inc. vat
  • Constantly calculates and displays air temperature, humidity and dewpoint
  • Set your own alarms
  • Wall-mountable (bracket included)
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Extech RH200W Multi-Channel Wireless Hygro-Thermometer
Stock Due : Estimated 1-2 Weeks
Extech RH200W Multi-Channel Wireless Hygro-Thermometer
£33.89
£40.67 inc. vat
  • Base station and wireless transmitter
  • Up to eight transmitters can be wirelessly connected
  • Base station indicates all temperature and humidity readings
  • Record the min and max values
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Extech 445713 Big Digit Indoor & Outdoor HygroThermometer
In Stock : Get It Next Working Day*
Extech 445713 Big Digit Indoor & Outdoor HygroThermometer
£37.49
£44.99 inc. vat
  • Humidity: 10 to 99% RH
  • Temperature: 14 to 140°F or -10 to 60°C
  • Accuracy: °5%RH; °1.8°F, °1°C
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Extech HW30 HeatWatch Humidity/Temperature Stopwatch
Stock Due : Estimated 1-2 Weeks
Extech HW30 HeatWatch Humidity/Temperature Stopwatch
£38.30
£45.96 inc. vat
  • Stopwatch/chronograph mode with 1/100 second resolution
  • Fastest/Slowest/Average Lap recall
  • 99 lap counter with 30 lap/split memory
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Extech 445815 Temperature, Humidity & Dew Point Alert w/ Remote Sensor
In Stock : Get It Next Working Day*
Extech 445815 Temperature, Humidity & Dew Point Alert w/ Remote Sensor
£39.00
£46.80 inc. vat
  • Monitors air temperature, humidity and dewpoint
  • User-programmable humidity alarms with visual LED and audible beeper
  • Flexible remote sensor fits into small gaps
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Extech 445703 Big Digit Humidity & Temperature Indicator
In Stock : Get It Next Working Day*
Extech 445703 Big Digit Humidity & Temperature Indicator
£43.15
£51.78 inc. vat
  • See the air temperature and humidity
  • Completely wall mountable (includes bracket) or can be propped up on tilt stand
  • Large display shows temp/humidity & refreshes constantly
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Extech 445715 Humidity & Temperature Indicator w/ Remote Sensor
Stock Due : Estimated 1-2 Weeks
Extech 445715 Humidity & Temperature Indicator w/ Remote Sensor
£45.50
£54.60 inc. vat
  • Constantly monitors temperature and humidity levels
  • Ideal for greenhouses, offices, factories and much more
  • Large-size LCD display for viewing at a distance
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Extech RH600 Handheld Dewpoint Meter
Extech RH600 Handheld Dewpoint Meter
£770.00
£924.00 inc. vat
  • Take reliable readings
  • Log and transfer up to 32,000 data sets
  • Program high/low set points
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About Indoor & Outdoor Temperature / Humidity Monitors

Measure temperature and humidity in the home, the office, your greenhouse, the lab, and anywhere else with these instruments. You will be able to see if there are cold or warm areas and make adjustments to your heating or cooling system.

Humidity monitors measure, and report the relative humidity (RH) of air or determine the amount of water vapor present in the gas mixture (air) or pure gas.