Indoor & Outdoor Temperature / Humidity Monitors

  1. ETI 803-229 Room Spirit Thermometer (25 x 175mm)
    ETI logo
    2 In Stock
    ETI 803-229 Room Spirit Thermometer (25 x 175mm)
    (2)
    £2.16 £1.80
    • Measure temperature from -30 to 50°C
    • Ideal for use in the home, around offices etc
    • Includes hole for hanging
    1 Reward Points
    Price Match Guarantee
    803-229
  2. Comark WT4 Wall Thermometer
    Comark logo
    Only 1 In Stock
    Comark WT4 Wall Thermometer
    (no reviews)
    £2.65 £2.21
    • Simple, wall-hangable thermometer with non-toxic, spirit-filled gauge
    • Dual scale shows measurements in both Celsius and Fahrenheit
    • Suitable for use indoors and outdoors
    2 Reward Points
    Price Match Guarantee
    WT4
  3. ETI 803-232 Room Spirit Thermometer (45 x 195mm)
    ETI logo
    4 In Stock
    ETI 803-232 Room Spirit Thermometer (45 x 195mm)
    (1)
    £3.30 £2.75
    • Measure temperature from -30 to 50°C
    • Low cost solution for measuring temperature in any application
    • Reliable accuracy
    2 Reward Points
    Price Match Guarantee
    803-232
  4. ETI 803-292 Wooden Room Thermometer (45 x 205mm)
    ETI logo
    2 In Stock
    ETI 803-292 Wooden Room Thermometer (45 x 205mm)
    (2)
    £4.32 £3.60
    • Made from high quality beechwood
    • Measures temperature from -30 to 50°C
    • Dual scale - Celsius and Fahrenheit
    3 Reward Points
    Price Match Guarantee
    803-292
  5. ETI 810-125 Max/Min Thermometer with Internal Sensor + External Probe
    ETI logo
    2 In Stock
    ETI 810-125 Max/Min Thermometer with Internal Sensor + External Probe
    (1)
    £12.30 £10.25
    • Dual sensors - one built-in for room temperature and another attached to a remote probe
    • Calculate the maximum and minimum values taken over a period of time
    • Temperature measurement range from -49.9 to 69.9°C
    10 Reward Points
    Price Match Guarantee
    810-125
  6. ETI 810-130 Temp/Humidity Monitor with Humidity Comfort Indicator
    ETI logo
    In Stock
    ETI 810-130 Temp/Humidity Monitor with Humidity Comfort Indicator
    (32)
    £15.00 £12.50
    • Measures the humidity and temperature of the air and displays it constantly
    • Unique comfort level indicator shows at a glance how wet or dry the environment is
    • Exceptional battery life - 10000 hours on 2 x 1.5V AAA batteries
    12 Reward Points
    Price Match Guarantee
    810-130
  7. ETI 810-135 Temp/Humidity Monitor with Temperature Comfort Indicator
    ETI logo
    In Stock
    ETI 810-135 Temp/Humidity Monitor with Temperature Comfort Indicator
    (6)
    £15.00 £12.50
    • Constantly measures air temperature and humidity
    • Temperature comfort level indicator with colour-coded zones
    • Battery life of 10,000 hours
    12 Reward Points
    Price Match Guarantee
    810-135
  8. ETI 810-145 Large Digit Temperature and Humidity Indicator
    ETI logo
    3 In Stock
    ETI 810-145 Large Digit Temperature and Humidity Indicator
    (11)
    £15.00 £12.50
    • Dual screen constantly shows temperature and humidity levels
    • Large-size screen, easy to view from a distance
    • Can be placed on a desk or wall-mounted
    12 Reward Points
    Price Match Guarantee
    810-145
  9. ETI 810-155 Therma-Hygrometer with Alarm
    ETI logo
    2 In Stock
    ETI 810-155 Therma-Hygrometer with Alarm
    (no reviews)
    £22.20 £18.50
    • Measures and displays relative humidity and temperature levels
    • Includes remote probe with alarm system when temperatures hit 0°C
    • Can be placed on a desk or wall mounted
    18 Reward Points
    Price Match Guarantee
    810-155
  10. ETI 810-195 Temperature & Humidity Monitor with Low Temperature Alarm
    ETI logo
    3 In Stock
    ETI 810-195 Temperature & Humidity Monitor with Low Temperature Alarm
    (1)
    £24.00 £20.00
    • Dual display of temperature and humidity
    • Audible alert when temperatures below 0°C are detected
    • 3m flexible sensor supplied with wall bracket
    20 Reward Points
    Price Match Guarantee
    810-195
  11. Extech 401014 Big Digit Indoor/Outdoor Thermometer
    Extech logo
    2 In Stock
    Extech 401014 Big Digit Indoor/Outdoor Thermometer
    (5)
    £26.40 £22.00
    • 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
    22 Reward Points
    Price Match Guarantee
    401014
  12. Extech 445702 Hygro Thermometer Clock
    Extech logo
    2 In Stock
    Extech 445702 Hygro Thermometer Clock
    (no reviews)
    £35.94 £29.95
    • 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
    29 Reward Points
    Price Match Guarantee
    445702
  13. Extech 445814 Humidity, Dewpoint and Temperature Alert
    Extech logo
    2 In Stock
    Extech 445814 Humidity, Dewpoint and Temperature Alert
    (4)
    £38.40 £32.00
    • Constantly calculates and displays air temperature, humidity and dewpoint
    • Set your own alarms - the indicator will flash a light and sound a beeper when limits are met
    • Wall-mountable (bracket included) or can be propped up using built-in stand
    32 Reward Points
    Price Match Guarantee
    445814
  14. Extech 445815 Temperature, Humidity & Dew Point Alert w/ Remote Sensor
    Extech logo
    3 In Stock
    Extech 445815 Temperature, Humidity & Dew Point Alert w/ Remote Sensor
    (3)
    £42.00 £35.00
    • Monitors air temperature, humidity and dewpoint and constantly displays values
    • User-programmable humidity alarms with visual LED and audible beeper when limits are exceeded
    • Flexible remote sensor fits into small gaps (such as behind walls) or can be clipped onto the indicator
    35 Reward Points
    Price Match Guarantee
    445815
  15. Extech 445713 Big Digit Indoor & Outdoor HygroThermometer
    Extech logo
    3 In Stock
    Extech 445713 Big Digit Indoor & Outdoor HygroThermometer
    (1)
    £46.56 £38.80
    • Humidity: 10 to 99% RH
    • Temperature: 14 to 140°F or -10 to 60°C
    • Accuracy: °5%RH; °1.8°F, °1°C
    38 Reward Points
    Price Match Guarantee
    445713
  16. Extech 445703 Big Digit Humidity & Temperature Indicator
    Extech logo
    5 In Stock
    Extech 445703 Big Digit Humidity & Temperature Indicator
    (1)
    £47.94 £39.95
    • See the air temperature and humidity in your greenhouse, office, factory or wherever else you need it
    • Completely wall mountable (includes bracket) or can be propped up on tilt stand
    • Extremely large display shows temp/humidity at same time and refreshes constantly
    39 Reward Points
    Price Match Guarantee
    445703
  17. Digitron FM25 Wireless Digital Thermometer
    Digitron logo
    Only 1 In Stock
    Digitron FM25 Wireless Digital Thermometer
    (no reviews)
    £53.70 £44.75
    • Monitor and display temperatures without having to open cabinets
    • Range: -30°C and +40°C
    • Audible and visual alarm with a 15-minute delay
    44 Reward Points
    Price Match Guarantee
    DGFM25
  18. Testo 608-H1 Temperature & Humidity Monitor
    Testo logo
    3 In Stock
    Testo 608-H1 Temperature & Humidity Monitor
    (no reviews)
    £76.20 £63.50
    • Constant monitoring of temperature, humidity and dewpoint
    • Large-size display
    • Suitable for any environment
    63 Reward Points
    Price Match Guarantee
    5606081
  19. Extech WTH600-E-KIT Wireless Weather Station
    Extech logo
    Only 1 In Stock
    Extech WTH600-E-KIT Wireless Weather Station
    (1)
    £114.00 £95.00
    • Monitor indoor temperatures, humidity and external weather conditions
    • Consists of one outdoor transmitter and one indoor wireless base station
    • Set high and low alarms for indoor and outdoor temperatures, wind speed and rainfall
    95 Reward Points
    Price Match Guarantee
    WTH600-E-KIT
  20. Testo 608-H2 Humidity, Temperature & Dewpoint Hygrometer
    Testo logo
    Only 1 In Stock
    Testo 608-H2 Humidity, Temperature & Dewpoint Hygrometer
    (no reviews)
    £114.24 £95.20
    • Simultaneous display of temperature and relative humidity values
    • Can also calculate dewpoint
    • Built-in LED alarm function
    95 Reward Points
    Price Match Guarantee
    5606082
  21. Testo 623 Temperature/Humidity Monitor w/ History Function
    Testo logo
    Only 1 In Stock
    Testo 623 Temperature/Humidity Monitor w/ History Function
    (no reviews)
    £168.30 £140.25
    • Histogram display of measurement
    • Measures temperature and humidity
    • Ideal for continuous measurements
    140 Reward Points
    Price Match Guarantee
    5606230
  22. Testo 625 Digital Thermohygrometer with App Connection
    Testo logo
    Only 1 In Stock
    Testo 625 Digital Thermohygrometer with App Connection
    (no reviews)
    £219.30 £182.75
    • Fast in-app configuration
    • Documentation on site
    • Testo Smart App connection
    182 Reward Points
    Price Match Guarantee
    05631625
  23. Testo 622 Humidity, Temperature & Pressure Indicator
    Testo logo
    Only 1 In Stock
    Testo 622 Humidity, Temperature & Pressure Indicator
    (1)
    £260.10 £216.75
    • Triple display - shows temperature, relative humidity and pressure levels
    • Suitable for placing on a desk or mounting on a wall
    • Large-size, easy-to-read display
    216 Reward Points
    Price Match Guarantee
    5606220
  24. Testo 635-1 - Thermohygrometer
    Testo logo
    Only 1 In Stock
    Free UK Delivery
    Testo 635-1 - Thermohygrometer
    (no reviews)
    £386.58 £322.15
    • Measures air moisture, material equilibrium moisture and pressure dew points
    • Compatible with optional probes
    • Wide measurement range dependant on connected probe types

     

    322 Reward Points
    Price Match Guarantee
    5606351

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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.

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