VWR avantor CHEMI Instruction Manual page 7

If possible, avoid any adjustment, maintenance or repair to the instrument while it is open and operative.
However, if any adjustment, maintenance or repair is necessary while the instrument is open, this must be
done by a skilled person who is aware of the hazards involved.
Whenever circumstances arise that mean a VWR
inoperative. In particular, a VWR

Shows visible damage.

Fails to perform the intended measurement.

Has been subjected to severe transport stresses.

Has been subjected to prolonged storage in unfavorable conditions.
Environmental Conditions

VWR Chemi Only Systems should only be used under the following conditions:

Indoors.

At altitudes below 2000m.

In ambient temperatures between 5°C and 40°C.

With relative humidity below 80% for temperatures up to 31°C, decreasing linearly to 50%
relative humidity at 40°C.

Electrical supply fluctuations not exceeding +10% of the nominal voltage.
The protection provided by the equipment may be impaired if the environmental
conditions do not lie within these parameters.
WARNING
6 vwr.com Instruction manual

Chemi Only System may be unsafe if it:
®
VWR CHEMI Only

Chemi Only System may be unsafe, make it