IPS-4 Model 9140 pages

"

PROCESS INSTRUMENTS

nnnn

Model 914 Continuous Emission Monitor

nnnn

(CEM)

nnnn

Description

nnnn

The Continuous Emission Monitor (CEM) uses dry extractive sampling

nnnn

techniques designed to meet government regulations for all types of

nnnn

compliance monitoring.

nnnn

The sample extraction system is designed for primary conditioning of the

nnnn

sample gas. Combining a temperature-controlled conditioning unit and a

nnnn

heated sampling line ensures integrity of the sample gas. The sample gas is

nnnn

then dried (moisture removed) as required and introduced into the instruments.

nnnn

The CEM uses AMETEK Western Research's Model 9000RM for S02 and

nnnn

NOx analysis, which are the standard parameters.

nnnn

Model 9000RM can do other species like H2S,

nnnn

N02, NO, NH3, CI and the measurement of 02 can

nnnn

be provided in addition to that by an integrated

nnnn

paramagnetic cell. For CO and C02 analysis, when

nnnn

required, an appropriate analyzer is integrated in to

nnnn

the system. Mass flow measurement to determine

nnnn

mass emission of measured species is provided

nnnn

by utilizing devices like S-type Pitot tube or optical

nnnn

detection along with temperature measurement.

nnnn

The instruments are mounted in a free-standing

nnnn

standard 19-inch open rack. Optional considerations

nnnn

are: an enclosed rack, a free-standing enclosure

nnnn

or a walk-in shelter for environmental reasons.

nnnn

Optional on the CEM is the computer data

nnnn

acquisition system or programmable logic controller

nnnn

providing data collection and control functions for

nnnn

customer specific reporting and auto calibration.

nnnn

Example of a Model 914 mounted in a free-standing enclosure

nnnn

_Q2/SQ2ZRB0_

nnnn

_Q2_SeMJ___I

nnnn

_SQ2SEAN.| |

nnnn

I L_

nnnn

Model 914 Block Diagram

nnnn

DISPLAY

nnnn

2PUNIT

nnnn

-TO DCS

nnnn

-TO DCS

nnnn

-TO DCS

nnnn

www.ametekpi.com

"