2. Design and function
2. Design and function
2.1 Overview
Gas density monitor
Product label
Electrical connection, cable socket
Process connection, spanner flats
Process connection, thread
2.2 Description
Switch contacts
The switch contacts permanently installed in the gas density monitor close or open at
set limit values, depending on the switching function. Switching functions are: Normally
closed, normally open, change-over contact.
The magnetic snap-action contacts are control switches which open or close connected
electric circuits via a contact arm which is moved by the instrument pointer.
WIKA operating instructions gas density monitor model GDM-100
Gas density monitor with optional recalibration
valve
Product label
Electrical connection, cable socket
Process connection (gas compartment)
Test connection (calibration pressure)
EN
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