ABB EL6010, Руководство оператора

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56 EL6010 Gas Analyzer in Category 2G Operator’s Manual 42/24-30 EN Rev. 1
EL6010-Magnos106: Metrological Data
Sample Component and
Smallest Measurement Range
Sample Component
Oxygen (O
2
)
Smallest Measurement Range
0 to 1 Vol.% O
2
Stability
Linearity Deviation
≤
0.5 % of span
Repeatability
≤
0.5 % of span (time base for gas exchange
≥
7 minutes)
Zero Drift
≤
3 % of span per week. Following prolonged transport and
storage time the drift can be higher during the first weeks of
operation.
Sensitivity Drift
≤
0.1 Vol.% O
2
per week or
≤
1 % of measured value per week
(not cumulative), whichever is smaller.
≤
0.25 % of measured value per year
Output Signal Variations
≤ ±
0.5 % of smallest measurement range span at 2
σ
and
electronic T90 time (static / dynamic) = 3 / 0 sec
Detection Limit
≤
0.5 % of span
Measurement Range Data
Quantity
1 measurement range
The measurement range is freely adjustable; it is factoryset to
0–25 Vol.% O
2
.
Largest Measurement Range
0–100 Vol.% O
2
Measurement ranges within ignition limits cannot be provided.
Influence Effects
Flow Effect
Sample gas air: 0.1 Vol.% O
2
at a flow rate change of
±
10 l/h;
sample gas N
2
:
≤
0.1 Vol.% O
2
in permissible range
Pressure Drop at Flame Barriers
Sample Gas Inlet: Approx. 40 hPa at a flow rate of 50 l/h
Purge gas inlet: Approx. 20 hPa at a flow rate of 10 l/h
Associated Gas Effect
The effect of associated gases as a shift of the zeropoint
∆
Zero
in Vol.% O
2
can be estimated using the approximate values in
the following table:
Associated Gas Concentration 100 Vol.%
∆
Zero in Vol.% O
2
Hydrogen H
2
+0.28
Hydrogen Sulfide H
2
S –0.45
Argon Ar –0.26
Helium He +0.30
Neon Ne +0.13
Nitrogen N
2
0 .00
Nitrogen Oxide NO +43 .00
Nitrogen Dioxide NO
2
+28 .00
Nitrous Oxide N
2
O –0.20
Carbon Monoxide CO –0.01
Carbon Dioxide CO
2
–0.32
Carbon Oxysulfide COS –0.90
Ethane C
2
H
6
–0.46
Ethene C
2
H
4
–0.29
Methane CH
4
–0.24
Propane C
3
H
8
–0.98
Propylene C
3
H
6
–0.55
Trichloroethane C
2
HCl
3
–2.17
Vinyl Chloride CH
2
CHCl –0.75
Temperature Effect
Ambient temperature in permissible range
–
At zeropoint:
≤
0.02 Vol.% O
2
per 10 °C
–
On sensitivity:
≤
0.1 % of measured value per 10 °C
Thermostat temperature = 64 °C
Air Pressure Effect
–
On sensitivity with no pressure correction:
≤
1 % of measured value per 1 % air pressure change
–
On sensitivity with pressure correction using integrated
pressure sensor (optional):
≤
0.01 % of measured value per 1 % pressure change or
≤
0.002 Vol.% O
2
per 1 % pressure change, whichever is
greater
Pressure sensor working range: p
abs
= 600–1250 hPa
Position Effect
Zeropoint shift
≤
0.05 Vol.% O
2
per 1° deviation from horizontal
location. Position has no effect on the hardmounted unit.
Dynamic Response
Warm-Up Time
< 1 hour
T
90
Time
T
90
≤
3.5 sec at a sample gas flow of 60 l/h and electronic T90
time (static / dynamic) = 3 / 0 sec, gas change from N
2
to air.
Materials in Contact with the Sample Medium
Analyzer (Sample Chamber)
Rust and acidresistant steel 1.4305, glass, platinum, rhodium,
epoxy resin. FPM (Viton) seals, optional: FFKM75 (Chemraz™).
Gas Lines and Connectors
Rust and acidresistant steel 1.4571.