PBI CheckMate 3 - Accuracy Specification (Excl. Calibration); Standard Calibration Specification; CO Sensor

PBI-300042-B 10/2010 COPYRIGHT © PBI-Dansensor A/S
52 User Guide EN CheckMate 3
Accuracy specification (excl. calibration)
Zirkonia sensor resolution 0,1 % absolute in range above 10 %
0,01 % absolute in range above 1 %
0,001 % absolute in range below 1 %
Zirkonia sensor accuracy ±0,01 % absolute in range below 1 %
±1 % relative in range above 1 %
Electrochemical sensor resolution 0,1 % absolute
Electrochemical sensor accuracy O
2
version: ±0,25 % absolute + 2% relative
@ CO
2
< 25%
O
2
version: ±0,9 % absolute + 2% relative
@ CO
2
25%
O
2
/CO
2
version: ±0,25 % absolute + 2% relative
@ CO
2
< 25%
O
2
/CO
2
version: ±0,5 % absolute + 2% relative
@ CO
2
25%
CO
2
sensor resolution 0,1 % absolute
CO
2
sensor accuracy ±0,5 % absolute ±1,5% of reading
Standard calibration specification
Calibration gasses (O
2
) 100ppm, 1000 ppm, 1%, 80% (balance N
2
)
20.9 % (Compressed dried atmosphere air)
Calibration gas accuracy < 3 %
System diffusion < 25 ppm
Measurement gas flow 34 ml/min ± 6 ml/min
Ambient temperature 23 °C ± 2 °C
Ambient pressure 1013 hPa ± 50 hPa
Total calibration accuracy (RMS) ± (25 ppm + 4 % of reading)
in the range 100ppm - 80%