Kotron
®
Model 811
RF Point Level Switch
D E S C R I P T I O N
The Kotron
®
Model 811 Level Switch offers the user great
flexibility. The switch can be used either as a single alarm
relay with narrow differential or for control purposes
with an adjustable differential. Using the proven
RF Capacitance technology, the Model 811 provides
reliable operation for a broad range of applications.
F E A T U R E S
•
Useable for both narrow differential (alarm) and wide
differential (control)
•
Intrinsically safe probe circuitry yields extra degree of
safety even with bare probes in hazardous media
•
Remote mounting up to 150 feet (45 meters) with no
preamplifier on the probe provides protection from
high process temperatures or heavy vibration
•
10-amp DPDT relay provides flexibility for both alarm
and control applications
•
Guard circuitry and probe reject buildup of media
•
Useable with all Kotron probes for application flexibility
•
LED shows relay status and aids in calibration and
troubleshooting
•
0 to 120 second time delay feature eliminates relay
chatter due to turbulence
•
Field selectable high level/low level failsafe
•
Conformally coated circuit boards reduce circuit
problems due to moisture and fungus
A P P L I C A T I O N S
•
Clean or dirty liquids
•
Viscous liquids
•
Light slurries
•
Corrosive liquids
•
High temperature/pressure liquids
•
Hydrocarbons and solvents
•
Acids and caustics
•
Foods and beverages
MAGNETROL [ MAGNETROL INTERNATIONAL, INC. ]
