Dansensor® CheckMate 3 EN User Guide 53
P/N 300042-I
05/2019
Zirconia O
2
sensor
Measure time Min. 3 sec. (incl. 1 sec. measure delay time)
1
Sample volume Min. 1,35 ml (with a 3 sec measuring time and a flow of
27 ml/min)
Typical sample volume 2,83 ml ( with a 5 sec measuring time and a flow of
34 ml/min)
Reference gas Ambient atmospheric air (20.9 % O
2
)
Service calibration interval 12 months
1
This time should be increased when the sample pressure is lower than atmospheric pressure.
Electrochemical O
2
sensor
Measure time Min. 7 sec. (incl. 1 sec. measure delay time)
1
Sample volume Min. 3,15 ml (with a 7 sec. measuring time and a flow
of 27 ml/min)
Typical sample volume 3,97 ml (with a 7 sec. measuring time and a flow of
34 ml/min)
2
Response time (T
95
) 9 seconds
Service calibration interval 6 months
1
This time should be increased when the sample pressure is lower than atmospheric pressure.
2
The sample time (and volume) can be increased by the DST function .
See
"Dynamic Sample Time (DST)" on page 18.
CO
2
sensor
Measure time Min. 10 sec. (including 1 sec measure delay time)
1
Sample volume Min. 4,5 ml (with a 10 sec measuring time and a flow of
27 ml/min)
Typical sample volume 8,5 ml (with a 15 sec measuring time and a flow of
34 ml/min)
Service calibration interval 12 months
1
This time should be increased when the sample pressure is lower than atmospheric pressure.