Siemens SIPROCESS GA700 Operating Instructions Manual page 75

Time response
Ready for operation following restart
Response characteristics
Measuring response
Output signal variation with static damping
constant of 0 s and dynamic noise suppression of
5% / 10 s
Detection limit
Measured value drift
Repeatability
Linearity deviation with ambient air
Influence variables
Ambient temperature
Sample gas pressure
Sample gas flow
Wall-mounted device
Operating Instructions, 01/2013, A5E31930403-01
Dead time T (gas replacement time)
10
Signal rise time T or fall time T
r
electronic damping setting of 0 s
Time for device-internal signal processing T
Delayed display T
90
Deviation at zero point:
Deviation at sensitivity:
Without pressure compensation
With pressure compensation switched on
11.2 OXYMAT 7 technical specifications
< 2 h
< 0.5 s
with an < 1 s
f
approx. 1 s
v
The following applies: T
T + T
10 f
≤ 0.5% of smallest span (noise bandwidth
corresponds to 1% at the 6σ value or 0.333% at
the 2σ value),
with vibration compensation activated: < 1.5
times the value
≤ 1% of smallest span according to nameplate
(with vibration compensation activated: < 1.5
times the value)
≤ 0.5% / month of current span or ≤ 50 vpm
oxygen / month, whichever is larger
≤ 0.5% of current span
≤ 0.1 %
≤ 0.5% of smallest span according to nameplate /
10 K or ≤ 50 vpm O
≤ 0.5% of the current span / 10 K or ≤ 50 vpm O
/ 10 K, the larger value applies
Deviation approx. 2% of current span / 1%
pressure change
Deviation ≤ 0.2%
1% pressure change or 50 vpm O
change, whichever is larger
Deviation ≤ 1% of current span per 0.1 l/min
change in flow or 50 vpm O
in flow within the permissible flow range
(0.3 to 1 l/min)
Technical specifications
= T + T
90 10
+ T
v
/ 10 K, whichever is larger
2
from current measuring span /
1)
per 0.1 l/min change
2
+ T or T =
r v 90
2
/ 1% pressure
2
75