Test Gas Concentration; Filter - ABB EL6010 Operator's Manual

Test Gas Concentration

Zero Set Point
Span Set Point
Step Interval

Filter

Filter (T90 Time)
Recommendation
28
Zero setpoint
0.0 ppm CO
Zero setpoint
0.0 ppm CO
Span setpoint
500.0 ppm CO
Span setpoint
500.0 ppm CO
The set point adjustment step interval is 0.2 % of the span of the range in use.
1) For an explanation of the term "Reference Measuring Range" see pages
29 to 31.
Filter
5 sec 1 sec 0.05 %
Filter
5 sec 1 sec 0.05 %
Filter
5 sec 1 sec 0.05 %
Filter
5 sec 1 sec 0.05
The ratio of the time constant for constant measured values to the time constant
for measured value changes should be 5 :1.
1) For an explanation of the term "Reference Measuring Range" see pages
29 to 31.
EL6010 Gas Analyzer in Category 2G Operator's Manual
Test gas concentration set point for zero calibration
Value range:
Reference measuring range
span to reference measuring range end
Test gas concentration set point for span calibration
Value range:
Reference measuring range
measuring range end plus 30 % of span
Non-linear filter with two low pass time constants
and switching threshold
Time constant for constant measured value.
Value range: 0 to 60 sec.
Time constant for measured value changes.
Value range 0 to 60 sec.
Switching threshold as % of span of reference
1)
% measuring range . On exceeding this value the time
constant for measured value changes is effective.
Value range: 0 to 9.99 %
1)
start minus 25 % of
1)
start to reference
42/24-30 EN Rev. 1