Combination Sensor for Ambient Temperature,
Relative Humidity, and Barometric Pressure
10.2 Combination Sensor Options
The ES-405 can be equipped with optional combination wind speed and direction, ambient
temperature, relative humidity, and barometric pressure sensor. There are both analog and sonic
type sensors available.
10.2.1 EX2-034
The EX2-034 is a mechanical cup and vane sensor that provides wind speed and direction
measurements. It is mounted to the ES-405 tripod using the provided cross arm. It connects to
the ES-405 RS-485 SENSOR connector using the included signal cables and analog to digital
signal converter. This converter measures the wind sensor’s analog signals and provides an RS-
485 digital output to the ES-405 with wind speed and direction values. This type of sensor requires
manual orientation when deployed. Consult the separate manual that comes with the wind sensor
for details.
10.2.2 EX2-AIO
The EX2-AIO sensor provides sonic wind measurements. It is mounted using the same cross-arm
assembly as the EX2-034B in. However, it has a different adapter to mate it to the cross-arm itself.
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