SL51T / SL51T-A Miniature Temperature Data Logger (-40°C to +85°C with ±1.0°C Accuracy)

  • £42.00Ex.VAT
  • £87.00Ex.VAT
  • £174.00Ex.VAT
  • £264.00Ex.VAT
  • £299.00Ex.VAT
  • £523.00Ex.VAT
  • £777.00Ex.VAT

SL51T / SL51T-A Miniature Temperature Data Logger

LOW COST miniature temperature data logger that measures from -40°C to +85°C with an accuracy of ±1.0°C. 

Starter kits are available with either TWO or FIVE temperature data loggers, the USB Interface and the TempIT-PRO software. A full range of accessories can be found here.

SL51T Starter Kit

The SL51T is a self contained, multiple use, miniature temperature data logger with the ability to record up to 2,000 temperatures over the temperature range of -40°C to +85°C with an accuracy of ±1.0°C. The SL51T-A is supplied with a UKAS Traceable calibration certificate. If you require a better level of accuracy, the SL52T-A is available with ±0.15°C accuracy.

Being only 17mm in diameter and 6mm thick, the SL51T is an incredibly small temperature data logger. It is about the same size as a watch battery, which enables it to be inserted into small items and packages.

SL51T Temperature Data Logger 

The memory can hold up to 8,000 readings and can be cleared at the start of each data logging session, allowing the data logger to be reused over and over. 

The SL50-INTERFACE-USB interface lead is required to connect to the USB port of the computer and is compatible with the user friendly, and free of charge, TempIT-Lite operating software. This enables the miniature temperature data logger to be set up and the readings downloaded from the data logger and displayed in a graphical format. Data can also be saved and retrieved at a later time. The software can be up-graded to TempIT-Pro which provides various additional features such as data table view, export data to spreadsheet, graph annotations, and automated MKT, F0, A0 and PU calculations.

The USB Interface lead and software are not included with this temperature data logger but you can find details of these and other related items below.


Power Internal Battery
Battery Life Typically eight years at +30°C with a 10 minute sample rate
See detailed battery life calculator
Measuring Range -40°C to +85°C (-40°F to +185°F)
Accuracy ±1.0°C from -30°C to +70°C
±1.3°C outside of this range
Resolution 0.5°C
Sample Rate 1 minute to 255 minutes in one minute steps
Number of Readings Stored 2048
Reusable When Memory Full Yes
Time to Download a Full Data Logger Approximately 9 seconds
Weight Approximately 3g
Response Time 63% step change - 90 seconds in circulating air
10% to 90% step change - 180 seconds in circulating air
Waterproofing IP55 - Protected against ingress of dust and protected against low-pressure jets of water'
Please see waterproof enclosures if the product is to be submerged in liquid
Delayed Start Yes, you can specify a time and date to start logging up to 45 days 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
Approvals / Standards EN 12830

You may also like

316 stainless steel enclosure that protects the SL50 series miniature data loggers in harsh environments or when submerged in liquid.

The SL-ACC03 is constructed from Polyphenylene Sulphide (PPS Ryton) for use at depths up to 1m to protect the SL50 series miniature data loggers.

Two part silicone enclosure to protect all SL50 series miniature data loggers. Available in packs of five or ten.

A coloured waterproof enclosure with blue handle for all SL50 series miniature data loggers. Supplied in packs of five or ten.