Customer reviews of the third generation SediMeter. The SM4A with a permanent AAA battery was released in 2013. In 2018 it was replaced by the SM3, which has a replaceable AA battery of more than double the capacity.
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SM3A IS SO FAR ONE OF THE HANDY TOOLS I HAVE WORKED WITH IN MY PROJECT. IT RULES OUT UNCERTAINTIES THAT COME WITH COMPUTED SEDIMENTATION RATES AS IT IS ABLE TO MEASURE REAL TIME IN-SITU SEDIMENT SETTLING RATES. ITS ABILITY TO DETECT