Emerson Rosemount 5300 Series - Page 202

$
%
&
'
(
A. Amplitude (mV)
B. Distance
C. Surface Threshold
D. Surface echo
E. About ⅓ of surface echo amplitude
• Make sure to include a 500 mV margin between the Surface Threshold and the surface
echo amplitude over the entire measuring range. For best performance, verify margin
by lowering the product surface, or if not possible by using Figure 7-13 to Figure 7-15.
$
&
'
(
%
A. Amplitude (mV)
B. Distance
C. Surface Threshold
D. Surface echo
E. At least 500 mV margin
• Surface Threshold should be at least 500 mV greater than the amplitude of
disturbances.
Service and troubleshooting Reference Manual
April 2019 00809-0100-4530
202 Rosemount 5300 Level Transmitter