Casella CEL Automatic weather station - Manual (Page 24)

3.5.2 Standard Barometer - Sensus Channel Configuration
Description Pressure
Units mbar
Type Analog
Information Single ended
Gain x 1
No current source
Display Format ####.#
Polynomial Sensor specific
Enabled Yes
Logged Yes
Minimum Limit 800.0
Maximum Limit 1100.0
3.6 Precision Barometer
A precision barometer may be supplied.
3.6.1 Precision Barometer Specification
Part number: P120640B
Transducer: The pressure sensor is temperature stabilised
at 60
o
C
Range: 900 to 1100 hPa (mB)
Operating temp: -20°C to + 50°C
Accuracy: ±0.3 hPa (mB) over 35
o
C range
Hysteresis: ±0.1 hPa (mB)
Linearity: ±0.1 hPa (mB)
Supply voltage: 9 - 12 V nominal
Power consumption: Approx. 60 mA at 12 V
3.6.2 Precision Barometer - Sensus Channel Configuration
Description Pressure
Units mbar
Type Analog
Standard Sensors
Precision Barometer
Page 24 of 34
Automatic Weather Station
Assembly & Commissioning Handbook