Thank you so much for your purchasing our TOPCON TECHNOHOUSE Digital Illuminance meter IM-
This manual describes an outline, basic operation procedure and specifications regarding the Digital
Illuminance meter IM-600/IM-600M. Read this instruction manual carefully before using this
The IM-600M has the same function as the IM-600 other than Detector unit. About IM-600M, this
manual describes the point of difference from IM-600.