1 normal display mode, Operational display flow chart, 0ppm a1: 10 – ENMET EX-5175 User Manual
Page 10: A2: 20, A3: 50, Ma: 100
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 M
ENU
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 M
ENU
button
Display indicates Alarm 1 Set point
Tap the magnet over the M
ENU
button
Display indicates Alarm 2 Set point
Tap the magnet over the M
ENU
button
No Function for the
S
ELECT
button
in this mode
Display indicates Alarm 3 Set point
Tap the magnet over the M
ENU
button
Display indicates mA Span range
(Full Scale)
Tap the magnet over the M
ENU
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
M
ENU
M
ENU
A2: 20
S
ELECT
M
ENU
A3: 50
S
ELECT
M
ENU
mA: 100
S
ELECT
M
ENU