2. Symbol explanation, markings
An exclamation mark in a triangle indicates important notes in these operating instructions that must be
strictly observed.
The arrow symbol alerts the user to the presence of important tips and notes on using the device.
This device is CE compliant and fulfills all applicable European guidelines.
3. Intended use
The battery-operated portable data logger DL-240K has an internal temperature sensor.
Measuring data is recorded automatically at adjustable sampling rates from 1 minute to 24 hours. At most 31,200
measuring values can be saved. Measured values can be immediate read on the LC display. The data logger can be
configured online or by the included software.
The product is connected to a computer like a regular USB memory stick and read out there. It automatically gener-
ates a graphical report in PDF format. A long-life lithium battery ensures a long recording time.
With attached protective cap, the product is dust tight and jet water-protected and can be used indoors and outdoors.
Do not use the device if the housing is not completely shut or if the protection cap is not attached properly.
Measuring under adverse ambient conditions like dust and flammable gasses, vapours or solvents is not admissible.
The safety instructions must be followed unconditionally!
This product fulfils European and national requirements related to electromagnetic compatibility (EMC). CE conformity
has been verified and the relevant statements and documents have been deposited at the manufacturer.
This product complies with the statutory, national and European requirements.
For safety and approval purposes, you must not rebuild and/or modify this product. If you use the product for purposes
other than those described above, the product may be damaged. In addition, improper use can cause hazards such
as short circuiting, fire, etc. Read the instructions carefully and keep them for future reference. Make this product
available to third parties only together with its operating instructions.
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