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MAS2600: Ordering Information Reference Manual
December 2014 Ed 21
11
Type
MAS2600 -XXX-XX-X/XX
Selecting the Transducer Type
Gauge and High Temperature Gauge Transducers
The Gauge Transmitter is normally used on dry and pressure neutral locations.
The Gauge Transmitter is available in 4 ranges:
• 0 - 3.5 mH
2
O.
• 0 - 7.0 H
2
O.
• 0 - 16.0 mH
2
O.
• 0 - 35.0 mH
2
O.
Absolute Transducers
The Absolute Transmitter is typically used if the amplifier is exposed to water, e.g. on open deck.
The Absolute Transmitter is available in 2 ranges: 0 - 20 and 0 - 35 mH
2
O. In practice this means
10 mH
2
O less than the nominal range because of the atmospheric pressure which must be taken into
consideration when choosing the transducer.
A transducer with an effective range larger than the tank height should be selected.
Type
A Absolute Trans-
ducer
The absolute transducer has no breather pipe, because it refers to
absolute vacuum. An atmospheric pressure sensor is used to compen-
sate for the atmospheric pressure. The absolute transducer is espe-
cially suitable for open deck applications, where the amplifier box may
be exposed to flooding.
G Gauge Transducer The gauge transducer is fitted with a breather pipe at the back of the
diaphragm to compensate for the atmospheric pressure. The breather
pipe is connected to a vent plug in the amplifier box. The gauge trans-
ducer is suitable for most applications.
H High Temperature
Gauge Transducer
The transducer is mounted with a special high temperature cable and
designed for heated tanks e.g. HFO tanks, and other applications with
high tank media temperatures.