Teledyne PEM-9004 - Portable emissions analyzer - Manual (Page 15)

Portable Emissions Analyzer Introduction
Teledyne Analytical Instruments 3
1.2 Features
•
Analysis Ranges: The PEM-9004 is available with the
following analysis ranges:
•
O
2
0-20.9%
•
CO 0-4000 ppm
(with H
2
compensation)
•
CO
2
(calculated from O
2
measurement)
0-CO
2
max (fuel specific)
And optionally:
•
CO 0-2% (0-20,000 ppm)
(without H
2
compensation)
•
NO 0-2000 ppm (optional)
•
SO
2
0-2000 ppm (optional)
•
NO
2
0-200 ppm
•
CO Sensor Protection: The PEM-9004 incorporates a special
CO sensor protection feature utilizing a separate pump that
automatically flushes the CO sensor when an upper CO
threshold of 4000 ppm is exceeded.
•
Pressure/Draft Measurement: A piezoresistive pressure
sensor with internal temperature compensation is installed for
measuring pressure up to ± 60 inches of water (iWC). A
convenient port is located on the front panel for positive or
negative pressure measurements.
•
Temperature Measurement: Both ambient and gas
temperatures up to 1850°F (1000°C) are monitored using K-
type (NiCr-Ni) thermocouples. These parameters are used by
the internal processor in calculating combustion efficiency,
waste gas loses, excess air and undiluted CO concentration.
•
Waste Gas Sampling: Via an external water separator and
filter, the waste gas is fed to the sensors by means of a gas
feed pump. It accepts either a one point measurement probe
(combi-probe) or multi-point measurement probe (multi-hole
probe).