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Minimum Indicated Concentration .............. 0.4 ppm
Repeatability .............................................. ± 2% of reading
Accuracy * ................................................. ± 2% of full scale
Zero Drift ................................................... < 5% change per year (typical)
Span Drift .................................................. < 10% change per month (typical)
Response Time (Rise) ................................. T50: < 40 seconds
T90: < 90 seconds
Recovery Time (Fall) ................................... T10: < 70 seconds
Temperature Range (continuous) ................ -20° to 50°C (-4°F to 122°F)
Humidity Range (continuous) ...................... 5–95 %RH, non-condensing
(Note: High humidity causes HF absorbtion)
Humidity Range (intermittent
†) ................... 0–99 %RH, non-condensing
Pressure Range .......................................... Ambient atmospheric, ± 1 psi
Recommended Calibration Flow Rate ......... 1.0 LPM
Oxygen Requirement .................................. 1% by volume, minimum