HD21ABE17
- 9 -
V2.0
O
PERATION
During turning on, the following message is displayed for about 10 seconds:
Model HD21ABE17
Indoor Air Quality
Firm.Ver.=01.00
In addition to the Delta OHM logo, the instrument code and the firmware
version are displayed.
After about 10 seconds, the measurements will appear on the display:
HD21ABE17
2010/02/10 08:00:00
Carbon Dioxide
CO
2
600
ppm
CO 0 ppm
Patm 1000 hPa
RH 25.0 %
T 17.0 °C
“
►
/UNIT”
KEY FOR THE UNIT OF MEASUREMENT
It allows navigation through the menus. During normal operation, it changes the unit
of measurement of the main quantity.
If the main quantity is Relative Humidity, by repeatedly pressing the UNIT key you
can display the following quantities:
RH
Relative Humidity (%)
Td
Dew Point (°C - °F)
AH
Absolute Humidity (g/m
3
)
r
Mixing Ratio (g/kg)
Tw
Wet Bulb Temperature (°C - °F)
H
Enthalpy (kJ/kg)
If the main quantity is Temperature by repeatedly pressing the UNIT key, you can
display the temperature in °C (Celsius degrees) or °F (Fahrenheit degrees).
Summary of Contents for HD21ABE17
Page 1: ...Operating manual IAQ MONITOR HD21ABE17 www deltaohm com English Keep for future reference...
Page 4: ...HD21ABE17 4 V2 0...
Page 45: ...HD21ABE17 45 V2 0 NOTES...
Page 46: ...HD21ABE17 46 V2 0 NOTES...
Page 47: ......
