Siretta Carbon LCD 41

High accuracy temperature data logger with 43000 log capacity and LCD readout

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Key Features
  • Temperature USB monitor and data logger
  • Logged data download to a PC
  • LCD display gives current, plus min and max
  • Stored readings in spreadsheet or graphical format
  • User selectable alarm thresholds
  • 40,000+ values can be stored
  • min 2sec sampling rate with a max of 24hour
  • IP67 protection
  • Best value
Buy Online
Part Number Weight Pack Qty Code Price (Ex VAT) Stock
Carbon LCD 41 High accuracy temperature data logger CARBON-LCD 41
50g 1 33941 1+ £48.30 Yes (14)
5+ £46.20
10+ £43.05
25+ £37.80

Place your order before 2pm to select next day delivery. In a hurry? pre 10:30am delivery also available.


The Sensormetrix Carbon-LCD 41 is a high accuracy USB temperature data logger that records temperature values and stores within internal memory.

Used for monitoring of environment in warehouses, galleries, greenhouses, cold rooms and specially useful in recording of temperature and humidity during transportation, the Carbon-LCD 41 is a convenient instrument in ensuring that goods are kept within the required temperature parameters.

Supplied with a long-life replaceable lithium battery, this unit records data continually for at least one year (depending on logging rate and temperature). Recorded data can be downloaded in the form of spreasheet and graphical representation by connecting the Carbon-LCD 41to a PC, using the supplied software.

The user can easily set up the logging rate and start time, and download the stored data by plugging the module straight into the USB port of a PC and running the software under all Windows environments. Temperature data can then be graphically presented, printed and exported to other applications. Status indication is via flashing red and green LEDs. The logger is protected against ingress from water and dust to IP67 standard when the plastic cap and seal are fitted.

Additionally the Carbon-LCD 41 can log and store an incredible 43,000 logs, more than 2.5 times the most well known USB datalogger.

The Carbon-LCD 41 is one of the best value and highest accuracy USB dataloggers available today - check the spec against the others!

The integrated LCD shows the user the current, as well as maximum and minimum recorded values. The temperature can be represented in degrees Celsius and Fahrenheit.

The user can also set maximum and minimum values, outside of which the LED light will issue a warning. The data logger is protected against moisture to IP67 standard when the protective cap is fitted.

Selectable parameters include logging rate, measurement units, high & low alarms and start-time.

Important note

The software supplied with the unit that is required for setup and download of logged data will only work with a Windows based PC. This product is not suitable for use with Linux based PCs, Macs, or tablet devices.



  • Temperature range: -30 to +85°C
  • Temperature accuracy: ±0.5°C (±0.9°F)
  • Temperature resolution: 0.1°C
  • Logging rate: 2s to 24h
  • Number of logs: 43,000
  • LCD display size: 18mm x 13.5mm
  • Unit dimensions: 125mm x 28mm x 22mm
  • Unit weight: 60g
  • Power: 1/2AA, 3.6V Lithium battery
  • Battery life: typical 1 year with 10min sample intervals
  • IP rating: IP67
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