Data Loggers & Monitoring

There are many advantages to using wireless data loggers to monitor temperatures: they save time, increase the reliability of recordings and make data more organised.

Temperature data loggers are used by food and medical industries to continuously monitor systems such as the transportation and storage of cold food, medicines and vaccinations. This helps to comply with health and safety legislation, like HACCP.

Humidity loggers help HVAC and manufacturing industries monitor air quality, ensuring effective heating and cooling systems and optimum storage of moisture-sensitive materials like paper.

ETI's temperature and humidity data loggers enable accurate monitoring, with USB and Wi-Fi options available. All our loggers are compatible with free, user-friendly software and have large memories and long battery lives for hassle-free monitoring.

Why Choose ETI Data Loggers?


Automated Monitoring

Programme the loggers with your desired interval rates, high/low limits and alarms. Set them in place, and they will automatically record.

Free Software

Completely free software with zero subscription fees. View, download and share data with ease.

British-Made Quality

UK manufacturing, repairs and customer service. Quality data loggers built to last in commercial environments.

WiFi Options Available

Enjoy the benefits of remote monitoring with WiFI temperature sensors. Automatic digital backups and push notifications/ email alerts.

Top Sellers

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Product code: 298-621
Brand: N/A
£150.00
ThermaData Wi-Fi temperature and humidity data logger for wireless monitoring
  • Simultaneously displays humidity and temperature
  • Access recorded data online
  • Programmable high/low alarms with digital alerts
  • Records up to 18,000 readings
  • Free software with no subscription charges
  • UKAS calibration certificates available
£150.00
In stock
Product code: 296-062
Brand: N/A

ThermaData combined humidity and temperature logger with external sensors 

  • Dual function datalogger
  • Display toggles between humidity and temperature
  • Records up to 16,000 readings
  • Visual inspection shows if limits exceeded
  • Optional 3-point (25, 50 & 75% RH) UKAS Certificate
  • Preferential UKAS price ordered with logger

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

Product code: 295-062
Brand: N/A
Made to Order (10-14 Working Days)

ThermaData combined humidity and temperature logger with external sensors 
  • Records up to 16,000 readings
  • Visual inspection shows if limits exceeded
  • Dual function datalogger
  • Optional 3-point (25, 50 & 75%rh) UKAS Certificate
  • Preferential UKAS price ordered with logger

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£110.00
Made to Order (10-14 Working Days)
Product code: 296-061
Brand: N/A

ThermaData combined humidity and temperature logger with LCD display 

  • Dual function datalogger
  • Display toggles between humidity & temperature
  • Records up to 16,000 readings
  • Visual inspection shows if limits exceeded
  • Optional 3-point (25, 50 & 75%rh) UKAS Certificate
  • Preferential UKAS price ordered with logger

*When ordering loggers it is necessary to order at least one ThermaData® logger cradle

£105.00
In stock
Product code: 295-061
Brand: N/A
£95.00

ThermaData combined humidity and temperature data logger, blind with internal sensors

  • Display toggles between humidity & temperature
  • Records up to 16,000 readings
  • Visual display of high and low alarms
  • Optional 3-point (25, 50 & 75%rh) UKAS Certificate
  • Preferential UKAS price ordered with logger

 *When ordering loggers it is necessary to order at least one ThermaData logger cradle

£95.00
Last items in stock
Product code: 291-401
Brand: N/A
£220.00

ThermaData 4 Channel Data Logger

  • Four channel type K thermocouple input
  • Simultaneously measure four probe temperatures
  • Programmable high/low Audible alarm
  • Wide temperature range -99.9 to 1372 °C
  • Biomaster product protection

Supplied excluding probes

£220.00
Last items in stock
Product code: 298-121
Brand: N/A
£125.00
WiFi Logger ThermaData TD2TC - two channel type K or type T thermocouple logger for wireless temperature monitoring
  • Two external type K or type T probe sockets
  • Choose preferred option from drop-down
  • Range -100 to 1372 °C
  • Access temperature data worldwide via internet
  • Programmable high/low alarm
  • Free traceable calibration certificate
  • Optional UKAS 5 point certificate available
Product code: 294-940
Brand: N/A
£145.00
Stainless Steel ThermaData Pro data logger range - ideal for food, pharmaceutical and other high temperature applications.
  • Integral USB interface for setup and download
  • Auto PDF summary
  • High temperature range -20 to 125°C
  • 6 probe options available
  • IP66/67 waterproof
  • UKAS 3 point certificate available at extra cost
Product code: 812-510
Brand: N/A

USB-C Lead for Data Loggers

  • suitable for use with ThermaData Lite, Stainless Steel Pro and 4 Channel logger
£4.00
In stock
Product code: 293-010
Brand: N/A
£46.00
ThermaData Lite data loggers
  • LED display shows if limits are exceeded
  • Customised high/low alarm facility
  • Ideal for storage & transportation
  • Free software to download

Requires purchase of a USB-C lead 

£46.00
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Product available with different options
Product code: 298-011-PHM
Brand: N/A
£115.00

ThermaData Pharm WiFi loggers for vaccines, medicines and the pharmaceutical industry
  • External sensors designed to simulate fridge contents temperature
  • Free software with NO ongoing or subscription charges
  • Access recorded data worldwide via internet
  • High/low alerts via email & SMS
  • Programmable high/low alarms
  • Free traceable calibration certificate
  • UKAS certificates available
Product code: 298-001
Brand: N/A
£100.00
ThermaData WiFi TD thermistor WiFi logger with one internal sensor 
  • One internal sensor
  • Resolution of 0.1 °C/°F
  • Programmable high/low alarm
  • Email alerts when alarm limits exceeded
  • Access temperature data worldwide via internet
  • User friendly, simple setup
  • Free traceable calibration certificate
£100.00
In stock
Product code: 299-121
Brand: N/A
£125.00
ThermaQ WiFi Barbecue Thermometer - two channel thermocouple Wi-Fi thermometer and logger for remote temperature monitoring
  • Monitor temperatures anywhere via Wi-Fi
  • 2 channel type K thermocouple sockets
  • Resolution of 0.1 °C/°F
  • Email alerts when alarm limits exceeded
  • Programmable high/low alarm
  • User friendly, simple setup with free ThermaQ App
  • Perfect for competition BBQ cooks

ThermaQ Wi-Fi sold excluding probe

Kit option available, please select from drop-down below:

Product code: 298-011
Brand: N/A
£110.00
ThermaData TD1F temperature data logger with dual sensors for wireless temperature monitoring
  • One remote probe & one internal sensor
  • Email alerts for high/low temperature warnings
  • Temperature data accessible online
  • Programmable high/low alarms
  • Simple to set up and use
  • Free traceable calibration certificate

The ThermaData TD1F temperature data logger takes automatic temperature measurements and sends the data to your PC via Wi-Fi. Ideal for use in the food industry as part of HACCP procedures

£110.00
in production - delivery 10-14 working days
Product code: 296-051
Brand: N/A

ThermaData logger TD1C data logger with internal & external sensor 

  • NTC thermistor sensors
  • -30 to 85°C (internal) 
  • -40 to 125°C (external)
  • Ø3.3 x 100mm probe & 1m PVC/PFA lead
  • Optional UKAS certificates available (Please contact Sales)
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

Product code: 292-501
Brand: N/A
£140.00

Thermocouple ThermaData loggers for high temperature applications

  • Water-resistant housing offers IP65 protection
  • 2 channel type K or T thermocouple input
  • Wide temperature range -100 to 1372°C
  • Visual display of high/low alarm status
  • Meets the European Standard EN 13485
  • Biomaster product protection
  • Free traceable calibration certificate (UKAS certificates also available)

Thermocouple loggers are sold excluding probe

Product code: 295-001
Brand: N/A
£62.00

Data logger - ThermaData logger TB - blind with an internal sensor 

  • NTC thermistor sensor
  • Temperature range -40 to 85°C
  • Records up to 4000 readings
  • IP67 waterproof case
  • Optional UKAS 3 point certificate available
  • Meets EN 12830:1999, S & T, C & D, 1

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£62.00
in production - delivery 10-14 working days
Product code: 295-551
Brand: N/A
£180.00

Data logger - ThermaData logger TB2C, blind with two external sensors with connectors 

  • 2 x external NTC sensors with connectors
  • Ø3.3 x 100mm probe, 1m PVC/PFA lead
  • Range -40 to 125°C
  • Records up to 2 x 2000 readings
  • Optional UKAS 5 point certificate available - both probes
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£180.00
in production - delivery 10-14 working days
Product code: 296-001
Brand: N/A
£65.00

ThermaData TD data logger, LCD with internal sensor 

  • NTC thermistor sensor
  • Temperature range -30 to 85°C
  • Records up to 4000 readings
  • 2 LED's plus LCD display
  • Optional UKAS 3 point certificate available
  • Meets EN 12830:1999, S & T, C & D, 1

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£65.00
In stock
Product code: 296-101
Brand: N/A

Data logger - ThermaData TDF data logger - LCD with external fixed sensor 

  • NTC thermistor sensor
  • -40 to 125°C 
  • Records up to 4000 readings
  • Ø3.3 x 100mm probe, 1m PVC/PFA lead
  • Optional UKAS 5 point certificate available
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£82.00
Last items in stock
Product code: 296-011
Brand: N/A

Data loggers - ThermaData logger TD1F with internal & external fixed sensor 

  • Ø3.3 x 100mm probe 1m PVC/PFA lead
  • Two NTC thermistor sensors
  • -30 to 85°C (internal)
  • -40 to 125°C (external)
  • Records up to 2 x 2000 readings
  • Optional UKAS certificates available (Please contact Sales)
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

Product code: 296-501
Brand: N/A

ThermaData logger TDC data logger, LCD with external sensor with connector 

  • 2 LED's & LCD display
  • Range -40 to 125°C
  • IP67 waterproof case
  • Records up to 4000 readings
  • Ø3.3 x 100mm probe one metre PVC/PFA lead
  • Optional UKAS 5 point certificate available
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£120.00
in production - delivery 10-14 working days
Product code: 296-111
Brand: N/A
£92.00

ThermaData logger TD2F data-logger - LCD with two external fixed sensors 

  • Ø3.3 x 100mm probes, 1m PVC/PFA lead
  • 2 x external, fixed NTC thermisor sensors
  • Records up to 2 x 2000 readings
  • Range -40 to 125°C
  • Optional UKAS 5 point certificate available
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

£92.00
in production - delivery 10-14 working days
Product code: 295-111
Brand: N/A

Data logger - ThermaData logger TB2F, blind with two external fixed sensors temperature range -40 to 125°C

  • Records up to 2 x 2000 readings
  • Ø3.3 x 100mm probe one metre PVC/PFA lead
  • IP67 waterproof case
  • NTC thermistor sensor
  • Optional UKAS 5 point certificate available - both probes
  • Meets EN 12830:1999, S & T, C & D, 1, 0.5

    *When ordering loggers it is necessary to order at least one ThermaData logger cradle

    £82.00
    in production - delivery 10-14 working days

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