Indoor & Outdoor Temperature / Humidity Monitors

ETI 803-232 Room Spirit Thermometer (45 x 195mm)
In Stock : Get It Next Working Day*
ETI 803-232 Room Spirit Thermometer (45 x 195mm)
£1.39
£1.67 inc. vat
  • Measure temperature from -30 to 50°C
  • Low cost solution for measuring temperature in any application
  • Reliable accuracy
View Product
ETI 803-229 Room Spirit Thermometer (25 x 175mm)
In Stock : Get It Next Working Day*
ETI 803-229 Room Spirit Thermometer (25 x 175mm)
£1.80
£2.16 inc. vat
  • Measure temperature from -30 to 50°C
  • Ideal for use in the home, around offices etc
  • Includes hole for hanging
View Product
Comark WT4 Wall Thermometer
In Stock : Get It Next Working Day*
Comark WT4 Wall Thermometer
£2.21
£2.65 inc. vat
  • 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
View Product
ETI 803-233 Room Spirit Thermometer with Factory Act Classification
Stock Due : Estimated 1-2 Weeks
ETI 803-233 Room Spirit Thermometer with Factory Act Classification
£2.75
£3.30 inc. vat
  • In compliance with the Factory Act of 1961
  • Measure temperature from -30 to 50°C
  • ABS plastic case
View Product
ETI 803-292 Wooden Room Thermometer (45 x 205mm)
In Stock : Get It Next Working Day*
ETI 803-292 Wooden Room Thermometer (45 x 205mm)
£3.60
£4.32 inc. vat
  • Made from high quality beechwood
  • Measures temperature from -30 to 50°C
  • Dual scale - Celsius and Fahrenheit
View Product
Comark EFG120C Economy Wall Thermometer
Comark EFG120C Economy Wall Thermometer
£7.00
£8.40 inc. vat
  • Temperature range from -40 to 50°C
  • Suitable for hanging or standing vertically
  • Low cost solution for measuring temperature
View Product
ETI 810-125 Max/Min Thermometer with Internal Sensor + External Probe
In Stock : Get It Next Working Day*
ETI 810-125 Max/Min Thermometer with Internal Sensor + External Probe
£10.25
£12.30 inc. vat
  • 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
View Product
ETI 810-195 Temperature & Humidity Monitor with Low Temperature Alarm
In Stock : Get It Next Working Day*
ETI 810-195 Temperature & Humidity Monitor with Low Temperature Alarm
£11.11
£13.33 inc. vat
  • Dual display of temperature and humidity
  • Audible alert when temperatures below 0°C are detected
  • 3m flexible sensor supplied with wall bracket
View Product
ETI Max/Min Digital Thermometer with Choice of Colour
ETI Max/Min Digital Thermometer with Choice of Colour
£12.00
£14.40 inc. vat
  • Triple display - shows MIN/MAX and current temperatures
  • Measurement range from -20 to 69.9°C
  • Ideal for home and the workplace
View Product
ETI 810-130 Temp/Humidity Monitor with Humidity Comfort Indicator
In Stock : Get It Next Working Day*
ETI 810-130 Temp/Humidity Monitor with Humidity Comfort Indicator
£12.50
£15.00 inc. vat
  • 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
View Product
ETI 810-135 Temp/Humidity Monitor with Temperature Comfort Indicator
In Stock : Get It Next Working Day*
ETI 810-135 Temp/Humidity Monitor with Temperature Comfort Indicator
£12.50
£15.00 inc. vat
  • Constantly measures air temperature and humidity
  • Temperature comfort level indicator with colour-coded zones
  • Battery life of 10,000 hours
View Product
ETI 810-145 Large Digit Temperature and Humidity Indicator
In Stock : Get It Next Working Day*
ETI 810-145 Large Digit Temperature and Humidity Indicator
£12.50
£15.00 inc. vat
  • 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
View Product
ETI 810-140 Temperature & Humidity Monitor with Remote Probe
In Stock : Get It Next Working Day*
ETI 810-140 Temperature & Humidity Monitor with Remote Probe
£14.00
£16.80 inc. vat
  • Constantly monitor temperature and humidity levels
  • Includes remote probe sensor attached via 3m lead
  • Accurate, reliable results
View Product
ETI 810-155 Therma-Hygrometer with Alarm
In Stock : Get It Next Working Day*
ETI 810-155 Therma-Hygrometer with Alarm
£18.50
£22.20 inc. vat
  • 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
View Product
ETI 810-180 Panel-Mount Temperature & Humidity Monitor
ETI 810-180 Panel-Mount Temperature & Humidity Monitor
£19.00
£22.80 inc. vat
  • Install on a panel and constantly monitor temperature and humidity
  • Accurate, reliable results
  • Easy to install
View Product
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
View Product
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
View Product
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
View Product
Comark DTH880 Temperature and Humidity Monitor
Stock Due : Estimated 1-2 Weeks
Comark DTH880 Temperature and Humidity Monitor
£31.00
£37.20 inc. vat
  • Portable monitor which measures air temperature and humidity levels
  • Mount on a wall, or prop up on a surface with the built-in stand
  • Ideal for any environment - offices, greenhouses, warehouses and anywhere else
View Product
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)
View Product
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
View Product
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
View Product
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
View Product
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
View Product
Page 1 of 2
1 2

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.