Troubleshooting guide
10
Reference Manual
00809-0100-4308, Rev BA
Section 2: Transmitter Overview
December 2014
Transmitter Overview
2.6 Probe selection guide for the Rosemount 3308
Series Transmitter
Use the following guidelines to choose appropriate probe for your Rosemount 3308 Series
transmitter:
Table 2-1. Probe Selection Guide. G=Good, NR=Not Recommended, AD=Application
Dependent (consult factory)
Flexible
single lead
Rigid single
lead
Flexible
twin lead
Coaxial
Measurements
Level GGGG
Interface (liquid/liquid) G G G G
(1)
Process medium characteristics
Changing density G G G G
Changing dielectric
(2)
GGGG
Wide pH variations G G G G
Pressure changes GGGG
Temperature changes GGGG
Condensing vapors G G G G
Bubbling/boiling surfaces G G G G
Foam (mechanical avoidance) NR NR NR AD
Foam (top of foam measurement) AD AD AD NR
Foam (foam and liquid measurement) AD AD AD NR
Clean liquids G G G G
Liquid with dielectric<2.0 AD AD AD AD
Coating liquids G G NR NR
Viscous liquids G G AD NR
Crystallizing liquids AD AD NR NR
Solids/Powders NR NR NR NR
Fibrous liquids G G NR NR
Tank environment considerations
Probe is close (<12 in./30 cm) to
disturbing objects
NR NR AD G
Tall and narrow mounting nozzles
(diameter <6 in./15 cm and
height>diameter + 4 in./10 cm)
AD AD AD G
Probe might touch nozzle / disturbing
object
NR NR NR G