Casella CEL Tipping bucket rain gauge - Manual (Page 3)

1. INTRODUCTION
Casella Tipping Bucket Rain Gauges are reliable and extremely robust devices
that are intended for use as stand-alone sensors operating within an existing
logging system, such as the Casella Automatic or Portable Weather Stations.
Three versions of tipping bucket rain gauge are available:
¤
Standard non-heated version.
¤
Standard heated version for more severe weather conditions.
¤
Non-heated version constructed to meet the requirements of The UK
Environmental Agency.
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200cm
2
versions are also available(these utilise a 0.1mm bucket
mechanism which relates to 0.2mm per tip).
¤
The non-heated version to meet the requirements of The UK
Environmental Agency has a dual output, while dual output versions
of the standard rain gauges are available for those users who need
independent outputs, for example to a counter and to a logger.
All versions now feature M6 bucket adjusting studs, while the version to
meet UK Environmental Agency requirements has a larger drop tube
diameter (5 mm), retained hexagonal headed long base-mounting screws to
raise the base plate above ground level and quick-release terminal blocks with
Mil Spec external connectors rated to IP67. When required, a heater can be
Introduction
Figure 1: The non-heated tipping bucket rain gauge with the
outer cover removed
Page 3 of 16
Tipping Bucket Rain Gauges
User Manual