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Electrochemical VOC sensor - VOC-B4

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4-Electrode Volatile Organic Compound Sensor

Model Number: VOC-B4
Data Sheet:

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Product Specification

VOC-B4 Electrochemical VOC sensor Schematic Diagram

VOC-B4 Electrochemical VOC sensor SPECIFICATION CO SENSING

PERFORMANCE
Sensitivity	nA/ppm in 2ppm CO	400 to 700
Response time	t₉₀ (s) from zero to 2ppm CO	< 30
Zero current	nA in zero air at 20℃	± 200
Noise*	±2 standard deviations (ppb equivalent)	20
Range	ppm limit of performance warranty	100
Linearity	ppm CO error at full scale, linear at zero, 10ppm CO	± 1
Overgas limit	maximum ppm for stable response to gas pulse	1000
LIFETIME
Zero drift	ppb equivalent change/year in lab air	±500
Sensitivity drift	% change/year in lab air, monthly test	< 15
Operating life	months until 50% original signal (24 month warranted)	> 36
ENVIRONMENTAL
Sensitivity @ -20℃(% output @ -20°C/output @ 20℃) @ 2ppm CO		60 to 80
Sensitivity @ 50℃(% output @ 50°C/output @ 20℃) @ 2ppm CO		90 to 110
Zero @ -20℃	nA change from 20℃	± 20
Zero @ 50℃	nA change from 20℃	1800 to 2200

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