1. General information / 2. Safety
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result
in serious injury or death, if not avoided.
Information
... points out useful tips, recommendations and information
for efficient and trouble-free operation.
2. Safety
WARNING!
Before installation, commissioning and operation, ensure
that the appropriate differential pressure switch has been
selected in terms of measuring range, design and specific
measuring conditions.
Non-observance can result in serious injury and/or damage
to the equipment.
Further important safety instructions can be found in the
individual chapters of these operating instructions.
2.1 Intended use
This electronic differential pressure switch is used for monitoring the
differential pressure of air and other non-inflammable and non-aggres-
sive gases. And also for controlling air as well for monitoring of air filters,
blowers in ventilation ducts, control of air and fire shutters, for overpres-
sure monitoring in clean rooms and laboratories.
The instrument has been designed and built solely for the intended use
described here, and may only be used accordingly.
The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.
WIKA operating instructions air2guide model A2G-45
GB
5