CS IRGASON, Instruction Manual

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IRGASON
®
Integrated CO
2
/H
2
O Open-Path Gas Analyzer and 3D Sonic Anemometer
4
Sonic accuracy
5
Offset error
u
x
, u
y
:
< ±8 cm · s –1
u
z
: < 4 cm · s
–1
Gain error
Wind vector ±5° horizontal: < ±2% of reading
Wind vector ±10° horizontal: < ±3% of reading
Wind vector ±20° horizontal: < ±6% of reading
Sonic reporting range
Full scale wind: ±65.553 m/s
Sonic temperature: –50 to 60 °C
Auxiliary sensors 6
Barometer
Basic barometer
Accuracy
–30 to 0 °C: ±3.7 kPa at –30 °C, falling linearly to ±1.5
kPa at 0 °C
0 to 50 °C: ±1.5 kPa
Measurement rate: 10 Hz
Optional enhanced barometer:
Manufacturer: Vaisala
Model:
PTB110
Accuracy
–30 to 0 °C: ±0.15 kPa
Measurement rate:
1 Hz
IRGASON temperature sensor:
Manufacturer: BetaTherm
Model: 100K6A1A Thermistor
Accuracy:
±0.15 °C (–30 to 50 °C)
1
noise rms, assumes:
o
25 °C
o 85 kPa
o 14 g·m –3 H
2
O
o 597 mg·m –3 CO
2
o 25 Hz bandwidth.
2
user selectable
3
–30 to 50 °C
4
noise rms
5
assumes:
o
–30 to 50 °C
o wind speed <30 m·s –1
o azimuth angles between ±170°
6
refer to manufacturer’s product brochure or manual for details