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SL54TH Starter Kit With Two Data Loggers

SL54TH Starter Kits Measure Temperature & Relative Humidity

Save over £111 compared to buying the items individually. The SL54TH is our lowest cost temperature and relative humidity data logger. It is a self contained and self powered with the ability to record up to 8,000 data points. The SL54TH can operate in a temperature range of -20°C to +85°C and up to 100%RH.

  • Lowest Cost Temperature And Humidity Solution
  • Small Physical Size
  • Includes USB Interface Lead
  • Includes TempIT-PRO Software




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Download Instruction Sheet

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Use this kit for measuring temperature and relative humidity. Both the SL54TH and the SL54TH-A have a temperature accuracy of ±0.5°C. The SL54TH has a relative humidity accuracy of ±5% and the SL54TH-A has a relative humidity accuracy of ±2%. The SL54TH-A starter kits are also supplied with individual calibration certificates.

Save over £111 compared to buying the items individually.

Starter kits with either two or five SL54TH or SL54TH-A temperature and relative humidity data loggers, the USB interface lead and a single computer licence of the TempIT-PRO software.

Various kits are available from the drop-down menu shown just below the price above.

Please call our sales office on 01684 299 399 for more information.

Power Internal Battery
Battery Life Typically two years at +30°C with a 10 minute sample rate
See detailed battery life calculator for more information
Measuring Range -20°C to +85°C (-4°F to +185°F)
0 to 100%RH

±0.5°C from -10°C to +70°C

±0.1°C from 0 to +50°C
±0.3°C outside of this range


0.5°C in low resolution mode
0.07°C in high resolution mode


Sample Rate 2 seconds to 24 hours

2 seconds to 1 minute in 5 second steps
1 minute to 1 hour in 1 minute steps
1 hour to 24 hours in 1 hour steps
Number of Readings Stored 8192 in low resolution mode
4096 in high resolution mode
Reusable When Memory Full Yes
Response Time
Response times in moving air:
63% time constant
Temperature: 1 Min 29 Seconds
Relative Humidity: 3 Min 44 Seconds

10-90 % time constant
Temperature: 2 Min 50 Seconds
Relative Humidity: 9 Min 54 Seconds
Waterproofing Due to the vent required to allow humidity measurement, this device is not considered waterproof and care should be taken to avoid moisture ingress.
Delayed Start Yes, you can specify a time and date to start logging up to 1 year in advance with one minute resolution
Software Alarms Yes, high and low alarms can be specified in the software
Intrinsic Safety Meets UL#913 (4th Edit.); Intrinsically Safe Apparatus, approval under Entity Concept for use in Class I, Division 1, Group A, B, C, and D Locations
Material 305 Stainless Steel
Dimensions 17mm diameter x 6mm high
Warranty 1 Year
IATA 2017 Compliant

Yes, exempt from the regulations

Can be sent on airlines without declaration