2 | Safety G 1690 / G 1690T
6 / 20 B-H86.0.31.DK2-1.0
– Not suitable for use with requirements on functional safety, e.g. SIL!
– This device only serves as supervision by the monitoring of essential or other for
the customer important systems. It must not be used instead of compulsory ap-
proval monitoring devices and it is not designed for that purpose. If this device is
used for the monitoring of such systems on its own, the manufacturer will not as-
sume liability for damages whatsoever
2.3 Safety instructions
_
Use caution when handling oxygen at levels above 40 vol. % O
2
- high oxygen levels
can cause ignition of materials and explosion if not handled properly
_
The sensor contains potassium hydroxide (GOEL 381 at G 1690..-MAX) or acid
(GOEL 370 at G 1690..-35).
Potassium hydroxide and acids cause chemical burns!
In case of leaking liquid, avoid contact at all costs!
In case of contact:
• with skin: wash off immediately with plenty of water for several minutes.
• with clothing: remove contaminated, soaked clothing immediately.
• with eyes: rinse under running water for several minutes, consult a doctor.
If swallowed:
• drink plenty of water immediately, do not induce vomiting!
• Consult a doctor.
2.4 Intended use
_
The device is to be used exclusively for measuring the oxygen concentration in gas
mixtures and air. The measurement is made at the sensor opening.
The device must be calibrated regularly (in fresh air =20.95% vol.-% O
2
) to obtain
accurate readings.
The G 1690T is also suitable for displaying the calculated maximum operating depth
(MOD) from the measured oxygen concentration.
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