Mc-techgroup BA-C Operator's manual Bedienungsanleitung PDF herunterladen (Seite 7)

Gas sampling and gas conditioning technology 10-1.1.1-ME

6 INTRODUCTION

The M&C BA-C air conditioning unit has been designed especially for applications where dry, cleaned

and hydrocarbon-free air is required, independent of gas cylinders.

Typical applications are hydrocarbon measurements with flame ionisation detectors (FID) and use as

a zero gas generator for the calibration of infrared (IR) analyzers or for production of dilution gas for

M&C dilution probes.

The M&C BA-C air conditioning units are compact, operator and service-friendly 19” plug-in units for

19”-rack mounting or wall mounting.

7 FUNCTION

Figure 1 Function diagram of BA-C air conditioning units

The functional principle of the M&C combustion air conditioning unit is divided into two sections (see

Figure 1):

 Hydrocarbon elimination section

 Gas conditioning section

Hydrocarbon elimination section:

Catalytic oxidation Fl1 of hydrocarbons at a temperature of 932°F at the surface of the

platinum/palladium filling. The optimum catalyst temperature is adjusted ex works at the temperature

controller B1 of the air conditioning unit.

1 = Connection for oil-free

compressed air resp.

instrument air

2 = Outlet

3 = Condensate out

FI1 = Catalyst

FI2/3 = Adsorber

FI4 = Buffer vessel

P 1 = Manometer

S 2 = Pressure switch

Y1,2,3 = Solenoid valve

YA1 = Filter

YA2 = Pressure controller

Y4,Y6 = Needle valve

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Mc-techgroup BA-C Operator's manual Bedienungsanleitung Seite 7