Delta OHM HD21ABE17, Operating Manual

Page: 42 / 48

HD21ABE17 - 42 - V2.0
R
EPLACEMENT OF THE BATTERY PACK
CO
2
Carbon Dioxide
Sensor NDIR Dual Wavelength
Measurement range 0…5000 ppm
Sensor working range -5…50 °C
Accuracy ±50 ppm+3% of measure
Resolution 1 ppm
Temperature dependence 0.1% f.s./°C
Response time (T
90
) < 120 sec (wind speed = 2 m/s)
Long-term stability 5% of measure/5 years
CO Carbon Monoxide
Sensor Electrochemical cell
Measurement range 0…500 ppm
Sensor working range -5…50°C
Accuracy
±3 ppm+3% of measure
Resolution 1 ppm
Response time (T
90
) < 50 sec
Long-term stability 5% of measure/year
Service life
> 5 years in normal environment
conditions
Atmospheric Pressure Patm
Type of sensor Piezo-resistive
Measurement range 750…1100 hPa
Accuracy
±1.5 hPa @ 25 °C
Resolution 1 hPa
Long-term stability 2 hPa/year
Temperature drift
±3 hPa with T= -20…+60 °C
Relative Humidity RH
Type of sensor Capacitive
Sensor protection
Stainless steel grid filter (on
request 20 µm sintered filter P6 in
AISI 316 or 10 µm sintered filter
P7 in PTFE)
Measurement range 0…100 % RH
Sensor working range -20…+60°C
Accuracy ±2% (10÷90 %RH) ±2.5% in the
remaining range
Resolution 0.1 %RH
Temperature dependence ±2% on all temperature range
Hysteresis and repeatability 1 %RH
Response time (T
90
) < 20 sec (wind speed = 2m/s)
without filter
Long-term stability 1%/year