Model name: MD ET7 External Side Stream ETCO2 module Sensor type Side stream Technical principle Non-dispersive infrared gas analysis Storage condition -40o to 70oC, <90% RH, non-condensing Working condition 5 ℃ -50 ℃ °, 10 to 90% RH, non-condensing Circumstance pressure 86-106kPa Power demand 5 V ± 5% (max ripple 200 mVp-p) Power consumption Usual typical value 120mA during deviation and calibration, typical value 280mA CO2 measurement range 0-19% (0-150mmHg , or 0-20kPa) CO2 resolution 0.1mmHg CO2 measurement accuracy 0 - 40 mmHg ± 2 mm Hg 41 - 70 mmHg ± 5% of reading 71 - 100 mmHg ± 8% of reading 101 - 150 mmHg ± 10% of reading Above 80 BPM ± 12% of reading Compatible with Respironics LoFlo C5