HEINE OPTOTECHNIK C 2.3 Manual De Instrucciones página 8

Explanation of utilized symbols
The following symbols are used on the device or on the packaging:
The CE mark indicates that the product complies with the
European medical device directive 93/42/EEC.
REF Catalogue- or reference number
SN Serial number
Manufacturer
Date of manufacture
Temperature limits in °C for storage and transport
Temperature limits in °F for storage and transport
Humidity limitation for storage and transport
Please read and follow the instructions for use and keep them for
future reference (background color blue; foreground color white)
Fragile, handle with care!
Keep dry
UDI
Unique Device Identification
8/32
MED 2199 2021-01-27