optris LS – E2006-01-A 
37 
 
Maintenance 
 
Lens cleaning: Blow off loose particles using clean compressed air. The lens surface can be cleaned with a 
soft, humid tissue moistened with water or a water based glass cleaner. 
 
Cleaning the housing: To clean the exterior housing, use a 
humid tissue (wetted with water or a mild commercial  
PLEASE NOTE: Never use cleaning 
compounds which contain solvents 
(neither for the lens nor for the housing).
 
cleaner). 
 
 
 
WARNING: Do not touch live voltage with 
the contact probe.
 
CAUTIONS: Avoid static electricity, arc welders, and induction heaters. Keep away from very strong EMF 
(electromagnetic fields). Don’t leave the unit on or near 
objects of high temperature. 
Avoid abrupt changes in ambient temperature. If this occurs, 
allow 20 minutes for thermal stabilization before the use to 
prevent the possibility of inaccurate temperature readings.  
 
In case of problems or questions, which may arise when you use the optris
®
 LS, please contact our service 
department. The customer service staff will support you with questions concerning the optimization of the work 
with the infrared thermometer, calibration procedures or with repairs.