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PMA45K1 | 1.00.01
7
6
INTRODUCTION
The manual on hand describes the operating instructions for the stationary oxygen analyzer
PMA
45K1
as applied within the industry.
6.1 SERIAL NUMBER
The type plate with the serial number is on the left side of the of the analyzer housing. Whenever you
call
M&C
regarding questions or orders for the spares, please give us the serial number of your
PMA 45K1.
6.2 POWER SUPPLY
The internal power supply of the oxygen analyzer
PMA 45K1
is 115 V AC or 230 V AC, for 40 Hz up to
60 Hz. Exact indications are made on the type plates. Deviations in the power supply of ±10% have no
influence on the proper functioning of the analyzer.
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APPLICATION
The oxygen analyzer type
PMA 45K1
is suitable for the continuous use in order to determine the oxy-
gen concentration, also in nuclear power engineering installations. Measurements in dry and particle
free gases are possible. The inlet dew point of the gas must not 40 °C.
The features of the analyzer are operation reliability, preciseness, stability of the measurement and a
small need of maintenance.
The measurement is based on the physical magneto-dynamic measuring principle and is one of the
most precise methods to determine the volumetric content of oxygen in the gas phase within the
measuring range of 0-100 vol% O
2
.
This measuring method shows only very little cross sensitivities vis-à-vis other measuring gas compo-
nents.
The gas flows directly against the measuring cell which is characterized by a small volume of only 2
cm
3
(small dead volume). Furthermore, the measuring cell stands out due to robustness, extremely
low drifts, a fast response time (T
90
< 5 sec.), high pressure resistance of 16 bar in case of failure as
well as a density of smaller than 10
-6
mbar x l/s (helium leak test).
Variations of the flow rate within a range of 0 Nl/h up to 60 Nl/h air produces a change in the oxygen
indication of lower than 0,2 vol% O
2
.
The measurements of process gases in nuclear power engineering areas are typical applications of
the
PMA 45K1
.
