Introduction; Installing The Weather Station; Site Requirements And Considerations; Installation - RainWise MKIII-MB User Manual

INTRODUCTION

The MKIII-MB weather station is a compact and economical solution for weather monitoring. It measures
ambient air temperature, relative humidity, barometric pressure, wind speed and direction, rainfall, and is
capable of measuring up to 2 soil or other peripheral temperatures, solar radiation, and UV Index. The
MKIII-MB uses a 2-wire half duplex RS-485 serial port for Modbus RTU communication with a host.

INSTALLING THE WEATHER STATION

It is suggested that the system is operated at ground level to make sure that all components are working
properly prior to installation.
If any of the components are damaged or malfunctioning upon receipt, RainWise should be contacted.
SITE REQUIREMENTS AN D CONSIDERATIONS
Ambient air temperature, solar radiation, and wind speed and direction can be affected by obstructions
and local topography. Each site is different and presents challenges in its own unique way. The MKIII-MB
sensor assembly, which contains the ambient air temperature and wind speed and direction sensor,
should be no closer than 10 times any obstruction's height and should be placed away from any dark,
heat-absorbing surface.
When roof-mounting the sensor assembly, the unit should be mounted toward an edge of the roof
preferably on the prevailing wind side of the building and should be at least 2-1/2 feet above the roofline.
Avoid locating the station near any heat sources such as chimneys or vents.

INSTALLATION

WEATHER STATION

Mount the support mast securely to a support structure. This may be done by using the Mono-Mount,
which is sold as an accessory to the MKIII-MB. The mast may also be attached to a support structure using
U-Bolts. Do not tighten the support structure to the MKIII-MB unit, as directional orientation will be
required.
Rotate the assembled unit until the electronics enclosure cover faces TRUE SOUTH if you are in the
northern hemisphere, or TRUE NORTH if you are in the southern hemisphere. Secure the support mast to
the assembly. Rotation is prevented by lining up the two holes in each mast. At this point, the entire unit
should be secured to the support structure. It is crucial that the device is oriented as precisely as possible.
The wind direction measurement is directly related to this positioning.
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