Emerson ROSEMOUNT Analytical NGA 2000 Instruction Manual page 218

NGA 2000 MLT Hardware
TECHNICAL DATA
GENERAL SPECIFICATIONS
Specifications of MLT:
Table 20-1
Detection limit
Linearity
Zero-point drift
Span (sensitivity) drift
Repeatability
Response time (t )
90
Permissible gas flow
Influence of gas flow
Permissible pressure
Influence of pressure
(at constant temperature)
(with pressure compensation)
Influence of temperature
(pressure constant)
- on zero point
- on span (sensitivity)
Thermostatting
Heating-up time
1) related to full scale
2) related to measuring value
3) from analyzer gas inlet at gas flow of approx. 1.0 l/min.
(electrical = 2 s)
4) constant pressure and temperature
5) dependent on integrated photomoter bench / sensor
6) paramagnetic oxygen measurement (PO
7) depending on sensor position
20 - 4
NDIR / VIS / UV
≤ 1 %
1) 4)
≤ 1 %
1) 4)
≤ 2 % per week
1) 4)
≤ 0.5 % per week
1) 4)
≤ 1 %
1) 4)
3 s ≤ t ≤ 7 s
3) 5)
90
0.2 - 1.5 l/min
≤ 1,500 hPa abs.
≤ 0.10 % per hPa
2)
≤ 0.01 % per hPa
8) 2)
≤ 1 % per 10 K
1)
± 5 % (+5 to +40 °C)
approx. 55 °C 9)
none 13)
approx. 15 to 50 minutes
)
2
Oxygen Sensor
(PO and EO )
2 2
≤ 1 %
1) 4)
≤ 1 %
1) 4)
≤ 2 % per week
1) 4)
≤ 1 % per week
1)
≤ 1 %
1) 4)
< 4 s (increasing) 3) 6)
< 5 s (decreasing)
approx. 12 s 3) 13)
0.2 - 1.0 l/min 6)
0.2 - 1.5 l/min 13)
≤ 2 %
1) 4)
≤ 1,500 hPa abs.
14)
≤ 0.10 % per hPa
2)
≤ 0.01 % per hPa
2)
≤ 1 % per 10 K
1)
≤ 1 % per 10 K
1) 11) 1)
approx. 55 °C 6) 10) 13)
5) 15 to 50 minutes 5)
8) optional pressure sensor is required
9) standard 55 °C, optional 65 °C, not for MLT 1
10) located in thermostated chamber (MLT 2/3/4) /
thermostated sensor (MLT 1/2)
11) starting from +20 °C (to +5 °C or to + 40 °C)
12) sensor / cell only
13) electrochemical oxygen measurement (EO
not located in thermostated chamber
14) no sudden surge for PO allowed!
2
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
Thermal
Conductivity (TC)
≤ 2 %
1) 4)
≤ 1 %
1) 4)
≤ 2 % per week
1) 4)
≤ 1 % per week
1) 4)
≤ 1 %
1) 4)
3 s ≤ t ≤ 20 s
3) 7)
90
3) 6)
0.2 - 1.0 (+/- 0.1) l/min
≤ 1 %
1) 4)
≤ 1,500 hPa abs.
≤ 0.10 % per hPa
2)
≤ 0.01 % per hPa
2)
≤ 1 % per 10 K in 1 h
≤ 2 % per 10 K in 1 h
approx. 75 °C 12)
approx. 15 to 50 minutes
),
2
01/2007
1)
1)