Instruction manual

NGA 2000 MLT Hardware
TECHNICAL DATA
20 - 5
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
01/2007
Altered NDIR/VIS/UV-Specifications of MLT-ULCO compared to table 20-1:
Table 20-2 CO
ultra low
0 - 10 ppm CO
low
0 - 50 ... 2,500 ppm
CO
2, ultra low
0 - 5 ppm CO
high
0 - 0.5 ... 10 %
CO
2
0 - 1 ... 12 %
2)
Detection limit ≤ 0.2 ppm
3)
≤ 1 %
1) 3)
Linearity ≤ ± 1 % of NV
3)
(NV ≥ lowest range) ≤ ± 1 % of NV
3)
(NV ≥ 10 % of lowest range)
Zero-point drift ≤ ± 0.2 ppm in 24 hr
3)
≤ 2 % per week
1) 3)
Span (sensitivity) drift ≤ ± 0.2 ppm in 24 hr
3)
≤ 0.5 % per week
1) 3)
Repeatability ≤ ± 0.2 ppm
3)
≤ 1 %
1) 3)
Response time (t
90
) < 7 s
5) 6)
(< 4 s
6) 7)
)3 s ≤ t
90
≤ 7 s
6) 7)
Influence of gas flow ≤ ± 2 %
1) 3)
≤ ± 1 %
1) 3)
Influence of temperature
(pressure constant)
- on zero point ≤ ± 5 % (+ 5 °C to + 40 °C)
1) 4)
≤ ± 1 % per 10 K
1)
- on span (sensitivity) ≤ ± 5 % (+ 5 °C to + 40 °C)
1) 4)
≤ ± 5 % (+ 5 °C to + 40 °C)
1) 4)
Thermostatting none none
Cross sensitivities
electrochemical oxygen measurement Not for use with sample gases containing
FCHC´s !
paramagnetic oxygen measurement 100 % Gas zero-level effect % O
2
N
2
0,00
CO
2
- 0,27
H
2
+ 0,24
Ar - 0,22
Ne + 0,13
He + 0,30
CO + 0,01
CH
4
- 0,20
C
2
H
6
- 0,46
C
2
H
4
- 0,26
C
3
H
8
- 0,86
C
3
H
6
- 0,55
NO + 43,0
NO
2
+ 28,0
N
2
O - 0,20
SPECIFICATIONS ULCO
1) related to full scale 2) CO
2
0 - 1 ... 15 % on request
3) constant pressure and temperature 4) starting from +20 °C (to +5 °C or to + 40 °C)
5) from analyzer gas inlet at gas flow of approx. 1.0 l/min. (electrical = 4 s) 6) dependent on integrated photomoter bench
7) from analyzer gas inlet at gas flow of approx. 1.0 l/min. (electrical = 2 s) NV = Nominal value