72 User Guide EN CheckPoint 3
P/N 340486-B
09/2017
Sensors
O
2
Sensor
Sensor type Ceramic solid-state
Range 0 - 85%, measurements >85% will be cut off
Resolution 0.1% absolute
Accuracy ±0.1% absolute ±2% of readout
Measuring time Min. 9 s.
Startup time 5 s.
Service calibration interval 12 months
CO
2
Sensor
Sensor type Non Dispersive Infra Red (NDIR), single beam,
temperature compensated
Range 0-100%
Resolution 0.1% absolute
Accuracy ±2.0% absolute in range 0 to 20%
±3.0% absolute in range 20 to 100%
Measuring time Min. 9 s.
Startup time 5 s.
Service calibration interval 12 months
Sampling
Sample gas O
2
, CO
2
, Ar or N
2
, < 95% RH, non condensing
Sample flow 38 - 52 standard ml/min.
Nominal flow 45 standard ml/min.
Sample pressure range Ambient pressure ± 50 mbar
(verified at 1013 mbar ambient pressure)
Typical sample volume 5 ml
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