Design And Function - WIKA GDM-100 Manual De Instrucciones

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



5