Essilor Instruments AKR 800, User Manual, Page: 71 / 81

At a time of fuse replacement, disconnect the power cord from the main unit before removing a fuse. If a fuse is removed
without disconnecting the power cord, it can result in electric shock.
Do not attempt to disassemble, modification or
repair. It can result in electric shock.
1. Storage and handling condition
Respect the operating, storage and transport conditions noted below.
Avoid condensation conditions.
Temperature Humidity Atmospheric pressure
Use [+10°C; +35°C] [30 %; 90%] [800 hPA; 1060 hPA]
Storage [-10°C; + 55°C] [10 %; 95%] [700 hPA; 1060 hPA]
Transport [-40°C; + 70°C] [10 %; 95%] [500 hPA; 1060 hPA]
Check the items following in case that the device is not used or is stored for a long time.
Points to check for long-term storage
Turn off the power.
Remove the power cord from the outlet.
Place the main unit undermost.
Secure the main unit by locking the slide lock of the main unit.
Put the dust cover on the main unit. If dust adheres, it will affect the measurement.
2. Cleaning
Unplug the device and check that it is not powered.
a. Cleaning of headrest and chinrest
When the headrest and chinrest get dirty, clean them with the neutral cleanser.
When reusing, for disinfecting the parts especially where the examinee may contact such as the chinrest and headrest, use the
ethanol for disinfection.
> Ethanol for disinfection contains 76.9 to 81.4vol% of ethanol (C2H6O) at 15
℃
(specific gravity).
Do not spray chemicals on the device when disinfecting.
If they get inside the device, it can cause malfunction.
Basically, it is not necessary to replace the chinrest and headrest. They comply with ISO 10993-1.
b. Cleaning of external cover
When the external covers get dirty, gently wipe them with a dry cloth.
For stubborn stains on the external covers, it is recommended to clean them with a little water or neutral cleanser.
Avoid using organic solvents such as thinner because it can result in tarnish or transformation due to dissolving of
surface.
U
SER MANUAL
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AINTENANCE
71 AKR800 - Auto Kerato Refractometer > V4 - 05-2022 - CE0459