Siemens SIPROCESS GA700 - Page 165

Table 13-12 OXYMAT 7: Measuring response
Measuring response 
Output signal variation with static damping con‐
stant of 0 s and dynamic noise suppression of 5% /
10s
≤±0.5% of smallest measuring span
(noise bandwidth corresponds to 1% = 6σ value or 0.333% = 2σ value),
with vibration compensation activated:
<1.5 times value
Detection limit ≤1% of smallest measuring span according to nameplate (with vibration
compensation activated:
<1.5 times value)
Measured
value drift
At the zero point ≤ ±0.5% of the smallest measuring span/month or
≤ ± 50 vpm O
2
/month;
Whichever is greater
For span gas ≤ ±0.5% of the current measuring span/month or
≤ ± 50 vpm O
2
/month;
whichever is greater
Repeatabili‐
ty
At the zero point ≤ ±0.5% of the smallest measuring span/month or
≤ ± 50 vpm O
2
;
whichever is greater
For span gas ≤ ±0.5% of the current measuring span/month or
≤ ± 50 vpm O
2
;
whichever is greater
Linearity deviation with dry ambient air* <0.1%
* Untreated ambient air contains less than 20.95% O
2
(literature value) since existing humidity of the oxygen content is
decreased relatively.
Table 13-13 OXYMAT 7: In󹪞uence variables
In󹪞uence variables
Ambient tem‐
perature

Deviation at zero point ≤ 0.5% of the smallest measuring span/10K or
≤ 50vpm O
2
/10K;
whichever is greater
Deviation of the span gas ≤0.5% of the current measuring span/10K or
≤ 50vpm O
2
/10K;
whichever is greater
Sample gas
pressure
Deviation at zero point ≤ 0.2% of the smallest measuring span/1% pressure change or
≤ 50 vpm O
2
/1% pressure change;
whichever is greater
Deviation of the span gas Deviation ≤0.2% of current measuring span/1% pressure change or
50vpm O
2
/1% pressure change;
whichever is greater
Sample gas
󹪞ow
Deviation at zero point ≤ 1% of smallest measuring span per 0.1l/min. change in 󹪞ow or
50 vpm O
2
per 0.1 l/min. change in 󹪞ow within the permissible 󹪞ow range
(0.3to1l/min);
whichever is greater
Deviation of the span gas ≤ 1% of current measuring span per 0.1l/min. change in 󹪞ow or
50 vpm O
2
per 0.1 l/min. change in 󹪞ow within the permissible 󹪞ow range
(0.3to1l/min.);
whichever is greater
Technical speci󹪝cations
13.3Technical speci󹪝cations of analyzer modules
Wall-mounted device
Operating Instructions, 07/2023, A5E31930403-AB 165