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The FGA 311 is a simple, low-cost, in situ, flue gas

oxygen transmitter. The zirconium oxide oxygen sensor is

installed directly into the flue stack or furnace wall. For

low-temperature applications, a heater is included to

maintain a constant temperature on the zirconium oxide

sensor. The FGA 311 is available in both weatherproof

and explosion proof configurations. Typical applications

for the FGA 311 include natural gas-fired utility and

municipal boilers, as well as natural gas-fired process

heaters. The FGA 311 is ideal for boiler and furnace

manufacturers due to its low-cost, basic transmitter

configuration.