8-7
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8.3 Noise
The instrument generates machine noise while operating when:
■ Turning power on
■ Performing self diagnosis
■ Printing out data
■ Using the keys
■ Inserting, detecting, storing data to, and removing a USB memory
■ Generating errors
8.4 Operating environment
Operate the instrument under the following environmental conditions.
■Installation : Indoors, not in direct sunlight
■Temperature : +10°C - +35°C
■Humidity : 30 – 75%
■Atmospheric pressure : 800 -1060 hPa
■Power fluctuation : less than ±10% of normal voltage
Store and/or transport the instrument in the instrument's box under the following
environmental conditions.
■Temperature : -20°C - +50°C
■Humidity : 45 - 85%
8.5 Classification of ME equipment
Protection against electric shock
: Class I ME equipment
Applied parts
: B applied parts (the tip of 10MHz B probe, the tip of the 40MHz UBM
probe, the tip of the biometry probe, the tip of the pachymetry probe,
the tip of the A-Scan diagnostic probe)
IP Code
: IP20 (Main unit) IP41 (10MHz B probe except connector, biometry
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