Roche Diagnostics April 2007
12 Service manual · Version 2.0
91xx pH/Electrolyte Analyzers
Other symbols The following symbols are listed as additional information:
Symbol Description
Electrodes:
This date indicates the limit of the maximum storage time of an
electrode. The electrode must be installed in the instrument no later
than the imprinted date.
If the installation takes place on the imprinted date, it still falls within
the specifications. The calculation of the “Install before” date is based
on the production date of the elctrode.
T: R23/33/50-53
Danger symbol: T: Toxic (on the packaging of the reference electrode)
Rating: Inhalation, swallowing or skin contact with even small
quantities can lead to serious health risks, including fatal risks.
Characteristics of this type of item are severe, possible irreversible
damage to health through repeated or prolonged contact, particular
with carcinogenic, genetic or reproductive (danger to reproductive
capabilities) effects.
Caution: Avoid any contact with the human body. If you feel unwell,
contact a doctor immediately. Any substances with carcinogenic,
genetic or reproductive dangers are indicated appropriately. Always
observe the regulations when handling such substances.
N: S45/60/61/7
Danger symbol: N: Dangerous to the environment (on the packaging
of the reference electrode)
Rating: If released into aquatic and non aquatic environments, can
cause immediate or delayed damage to ecosystems through a change
in environmental conditions.
These substances or their by-products can cause simultaneous
damage to sensitive environmental areas.
Caution: Depending on the potential for damage, do not allow the
substance to enter sewers, soils or the environment. Observe the
specific disposal regulations.
XI: R36/37/38, S 26-37
Danger symbol: Xi: Irritant
Rating: Although not corrosive, momentary, longer-lasting, or
repeated contact with skin or mucous membrane may result in
inflammation. Danger of sensitization during contact with skin
(when classified with R 43).
Caution: Avoid contact with eyes and skin, do not inhale vapors.
Do not use content if the packaging is damaged
Protective gloves, protective goggles and suitable protective clothing
must be worn
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