Siemens SIPROCESS GA700 Compact Operating Instructions page 89

Measuring response
Measured value drift
Repeatability
Linearity error with dry ambient air
Untreated ambient air contains less than 20.95% O
1)
Table 9-17 OXYMAT 7: Influence variables
Influence variables
Ambient temperature
Sample gas pressure
Sample gas flow
Accompanying gases
Supply voltage
Devices in explosion-proof design
Compact Operating Instructions, 01/2022, A5E35134047-11
At the zero point
For span gas
At the zero point
For span gas
1)
2
Deviation at zero point
Deviation of the span gas
Deviation at zero point
Deviation of the span gas
Deviation at zero point
Deviation of the span gas
Analyzer module 24 V DC
(-5 %/+10 %)
Basic unit 85 V AC to 264 V AC/
47 Hz to 63 Hz
≤ ±0.5% of the smallest span/month or
≤ ±50 vpm O /month
2
The larger value applies
≤ ±0.5 % of the current measuring span/month or
≤ ±50 vpm O /month
2
The larger value applies in each case
≤ ±0.5% of the smallest measuring span or
≤ ±50 vpm O
2
The larger value applies
≤ ±0.5% of the current measuring span or
≤ ±50 vpm O
2
The larger value applies
< 0.1% of the full-scale value
(literature value) since existing humidity decreases the oxygen content.
≤ 0.5% of the smallest span/10 K or
≤ 50 vpm O /10 K
2
The larger value applies
≤ 0.5% of the current span/10 K or
≤ 50 vpm O /10 K
2
The largest value applies
≤ 0.2 % of the smallest span/1 % pressure variation or
≤ 50 vpm O /1 %, pressure variation.
2
The larger value is valid in each case
Deviation ≤ 0.2% of current span/1% pressure change or
50 vpm O /1% pressure change
2
The larger value applies
≤ 1% of smallest span per 0.1 l/min change in flow or
50 vpm O per 0.1 l/min change in flow within the permissible
2
flow range
The larger value applies
≤ 1% of current span per 0.1 l/min change in flow or
50 vpm O per 0.1 l/min change in flow within the permissible
2
flow range
The larger value applies
Zero point deviation (cross-sensitivity) in accordance with Ta‐
ble A.1 of EN 61207-3
< 0.1% of the current span
< 0.1% of the current span
Technical specifications
9.2 General technical specifications
89