Honeywell SPM Flex User Manual page 39

Single point monitor gas detector
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NOTE
The detector's continuous monitoring algorithm enables a fast response
and high sensitivity� It also rapidly indicates trends� However, in some
cases, this algorithm can cause the decay time to be substantial, especially
with gases having slow stain development, specifically low level AsH3 and
GeH4� In the absence of gas, it may be necessary to continue monitoring
for several minutes before zero concentration is reported�
Latching
The SPM Flex detector's alarms and faults can be either latching or non-
latching, depending on the settings on the Latching menu� The default for both
is latching�
Outputs
The detector's display characteristics (e�g�, brightness, time to dim/time to off)
are set at the Display menu� The volume of the alarms (silent, low, medium,
or high) are chosen from the Audio menu options� Parameters set from the
Relays menu are relay assignments, that alarm relay's normal state (energized
or de-energized), and the maintenance fault's normal state (energized or de-
energized)� Three parameters can be set from the 4-20 mA Levels menu: the
inhibit level from 1�5 mA to 3�5 mA (the default is 2�0 mA), the maintenance fault
level from 1�5 mA to 3�5 mA (the default is 3 mA), and the overrange level from
21�0 mA to 22�0 mA (the default is 21�5 mA)� The mA levels are adjusted in 0�5
mA increments�
Network
The Ethernet mode can be set for either auto or manual� In manual mode, the IP
address, subnet mask, and default gateway can be specified� The Modbus TCP
menu can be enabled or disabled (disabled is the default)�
The web server is not designed for more than ten simultaneous connections�
(Responses will be slower with more connections�)
SPM Flex Gas Detector
39

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