User manual

Operations
22 TB 74
Changing the battery
Press up on the clip and remove the
battery cover. Make sure you insert
the battery so that the polarity is cor-
rect! Insert the new battery and re-
place the battery cover.
Do not dispose of batteries in
normal household rubbish!
Use an authorised local col-
lection point!
Technical specifications
Display Optical / three LEDs
Dimensions L = 160 mm / Ø = 33 mm
Batteries One 12-V, type V23
Protection degree IP 40
Measuring range 0 – 400 µm