English (GB)
5
2.1 Sensor types
3. General information
These installation and operating instructions contain
all information important for users of the Conex
®
DIA-G gas warning controller.
•
technical data
•
instructions on commissioning, use and
maintenance
•
safety information.
Should you require further information or should you
encounter problems that are not handled in sufficient
depth in this manual, please contact Grundfos Water
Treatment.
We shall be pleased to support you with our
comprehensive know-how in the fields of measuring
and control technology as well as water treatment.
We always welcome suggestions on how to optimise
our installation and operating instructions to satisfy
our customers.
4. Applications
The Conex
®
DIA-G gas warning controllers are used
to evaluate suitable sensors for monitoring the
concentration of chlorine (Cl
2
), chlorine dioxide
(ClO
2
), ozone (O
3
), ammonia (NH
3
) or hydrochloric
acid (HCl) and to trigger warning and protective
systems in the framework of the possible uses
described in this manual with the sensor types listed
here.
Sensor type
Measuring
parameter
Sensor
Amperometric
sensor (disc)
Cl
2
, ClO
2
91835237
(314-011)
O
3
96687714
(314-013)
Potentiostatic
sensor
Cl
2
96732268
(314-021)
NH
3
95700839
(314-031)
ClO
2
95700837
(314-041)
HCl
95700840
(314-061)
O
3
95700838
(314-071)
Caution
The Conex
®
DIA-G cannot be used for
measuring a gas concentration
continuously or for control according to the
German MAK standard regarding
maximum allowable concentration. Use
only calibrated gas measuring devices for
measuring gas concentration.
Ensure a sufficient safety level when
setting the limit values for the Conex
®
DIA-G.
Warning
Other applications are not approved and
not permitted. Grundfos cannot be held
liable for any damage resulting from
incorrect
use.