Table of Contents
Advertisement
Gas Supply Requirements
Analyzer System
6)
Sample gas
2)
Instrument air
FTIR Analyzer
Zero gas for the
FTIR spectrometer
Span gas for the
4)
FTIR spectrometer
1)
VOC Analyzer
Combustion gas
Zero gas
5)
Span gas
1)
O
Analyzer
2
Zero gas
Span gas
Definition
42/23-571 EN Rev. 5
Characteristic
Temperature controlled at 180 2 °C
by means of the heated sample gas
line
Based on ISO 8573-1 Class 2
(max. particle size 1 μm,
max. particle density 1 mg/m
max. oil content 0.1 mg/m
max. pressure dew point –20 °C)
Clean air from air purifier
Measurement component in N
70 to 80 % of measuring range
(accuracy 2 %)
H
, quality 5.0
2
N
, quality 5.0
2
or zero gas for the oxygen analyzer
n-Propane C
H
in N
3
8
2
70 to 80 % of measuring range
(accuracy 2 %)
(accuracy 2 %)
1 to 4 Vol% O
in N
2
2
Clean air from the air purifier
(20.96 Vol% O
)
2
1) Option
2) Provide a pressure gauge and a shut-off valve.
3) Provide a flow limiter. Recommendation: Provide two 40 l cylinders and a
switchover station.
4) H
O, HCl, HF and NH
2
generator by vaporizing either distilled water or HCl, HF or NH
known concentrations.
5) As the VOC analyzer only measures the number of carbons the concentration
of the span gas has to be calculated from ppm or mg/m
3
mg/m
C
6) For information regarding sample components and measuring ranges refer to
ACF-NT operator's manual, "Operating Specifications" section in the Appendix
p
= p
– p
e
abs
amb
with p
= positive pressure, p
e
Installation Instructions ACF-NT, ACF-NT V0309
Inlet Pressure
p
= 900 to 1100 hPa
abs
(0.9 to 1.1 bar)
p
= 5000 to 7000 hPa
e
(5.0 to 7.0 bar)
3
,
3
,
= 1100 100 hPa
p
e
(1.1 0.1 bar)
= 1100 100 hPa
p
2
e
(1.1 0.1 bar)
= 1200 100 hPa
p
e
(1.2 0.1 bar)
= 1100 100 hPa
p
e
(1.1 0.1 bar)
= 1000 100 hPa
p
e
(1.0 0.1 bar)
= 1100 100 hPa
p
e
(1.1 0.1 bar)
= 1100 100 hPa
p
e
(1.1 0.1 bar)
test gases for calibration are produced with a vapor
3
= absolute pressure, p
abs
Flow
approx. 250 l/h
approx. 1700 l/h
for FTIR and
approx. 1500 l/h
for VOC
500 l/h
500 l/h
3 l/h
3)
120 l/h
80 to 120 l/h
500 l/h
500 l/h
solutions with
3
3
C
H
to ppm or
n
m
= atmospheric pressure
amb
9
Advertisement
Table of Contents
