Manual

EX-5175-EC ENMET Corporation
6
4.0 Operation of the EX-5175-EC
It is best to have the EX-5175-EC transmitters powered up and operational for 24 hours before applying calibration or test gas
to them.
4.1 Normal Display Mode
When the EX-5175-EC is installed as described in section 3, and in clean air, the POWER green LED is on, the display is lit
and the information on the display is measurement of the target gas detected by the EX-5175-EC. The red alarm and fault
LEDs are not lit.
To advance through displays of operational information tap the magnet over the MENU button.
N
OTE
:
Software revision may cause variations of display output.
See sequence of operational information below:
Display Measurement of the target gas
Tap the magnet over the MENU button
Display indicates Alarm 1 Set point
Tap the magnet over the MENU button
Display indicates Alarm 2 Set point
Tap the magnet over the MENU button
No Function for the
SELECT button
in this mode
Display indicates Alarm 3 Set point
Tap the magnet over the MENU button
Display indicates mA Span range
(Full Scale)
Tap the magnet over the MENU button
Display returns to gas measurement
Operational Display Flow Chart
4.1.1 Alarm Conditions EX-5175-EC
There are three alarm set points available. These alarm set points can be changed within limits; see the maintenance section of
this manual for the procedure.
If the gas concentration increases above that of the alarm set point, the associated red LED is lit.
0PPM
A1: 10
S
ELECT
S
ELECT
MENU
MENU
A2: 20
S
ELECT
MENU
A3: 50
S
ELECT
MENU
mA: 100
S
ELECT
MENU