ENMET SE-5175 - Manual (Page 9)

SE-5175 ENMET Corporation
7
4.2 Normal Display Mode
When the SE-5175 is installed as described in section 3, and in clean air, the POWER green LED is on and the display is lit .
The red alarm and fault LEDs are not lit.
To advance through displays of operational information press the M ENU button.
See sequence of operational information below:
Example of Typical Operational Display
Display Measurement of the target gas
Press M ENU button
Display indicates Alarm 1 Set point
Press M ENU button
Display indicates Alarm 2 Set point
Press M ENU button
Display indicates Alarm 3 Set point
Press M ENU button
Display indicates mA Span range
(Full Scale)
Press M ENU button
Display returns to operational measurment
Operational Display Flow Chart
4.2.1 Alarm Conditions SE-5175
There are three alarm set points. The factory settings of these alarm set points are shown in Table 2.
Table 2: Factory Alarm Set Points
Gas Alarm 1 Alarm 2 Alarm 3
Ammonia 25 ppm 50 ppm 75 ppm
Arsine 0.05 ppm 0.1 ppm 0.4 ppm
Carbon Monoxide 35 ppm 50 ppm 200 ppm
Chlorine 0.5 ppm 1 ppm 5 ppm
Ethylene Oxide 3 ppm 5 ppm 9 ppm
Hydrogen 200 ppm 500 ppm 1000 ppm
Hydrogen Chloride 5 ppm 10 ppm 20 ppm
Hydrogen Fluoride 3 ppm 6 ppm 9 ppm
Hydrogen Sulfide 10 ppm 20 ppm 50 ppm
Nitric Oxide 25ppm 50 ppm 75 ppm
Nitrogen Dioxide 3 ppm 5 ppm 10 ppm
Oxygen 17% V 19.5%V 23.5V
Ozone 0.1 ppm 0.5 ppm 0.75 ppm
Silane 5 ppm 10 ppm 20 ppm
Sulfur Dioxide 2 ppm 5 ppm 10 ppm
These alarm set points can be changed within limits; see the maintenance section of this manual for the procedure.
If the target gas concentration increases above that of the alarm set point, the associated red LED is lit, the associated relay
changes state, and the audio alarm is activated. Oxygen is the exception with descending and rising alarm points.
0 ppm
A1: 05
M ENU
M ENU
A2: 10
M ENU
A3: 20
M ENU
mA: 50
M ENU