GMI PS241 User Manual

2-10
USER HANDBOOK
A faulty LEL sensor zero reading is shown in Fig. 2-13:
Fig. 2-13 Acknowledge Alarm
A congurable option is available to force the user to switch the
instrument off if a zero fault is detected, as shown in Fig. 2-14:
Fig. 2-14 Switch OFF
Note: If a sensor fault is detected during normal operation of
the instrument, the backlight illuminates red, an audible / visual
alarm is activated immediately and a spanner symbol is shown
adjacent to the faulty sensor type in the display.

GMI PS241 Specifications

General

Type	Pressure Switch
Protection Class	IP65
Power Supply	24 VDC
Contact Type	SPDT
Process Connection	G1/4"
Operating Temperature	-20...80°C