961 Datasheet, PDF (7/16 Pages) Magnetrol International, Inc. – SIL Safety Manual for Echotel Model 961/962

Fill Line
Pump
Protection
High Alarm
5.3 Necessary Tools
Dual Point Alarm
No special equipment or tools are required to install Echotel
Model 961/962 ultrasonic level switch. The following items
are recommended:
• Wrenches, flange gaskets, and flange bolting appropriate for
process connection(s)
• Screwdrivers and assorted tools for making conduit and
electrical connections
• Digital multimeter or DVM for troubleshooting
Low Alarm
Figure 2
Typical Mounting Orientations
5.4 Storage
Model 961/962 should be stored in its original shipping
box and not be subjected to temperatures outside the stor-
age temperature range -40° F to +160° F (-40° C to
+70° C), as shown in Section 3.1 of the Echotel Model
961/962 Ultrasonic Level Switches Installation and Operating
Manual (Bulletin 51.646).
Process
connection
5.5
Use wrench on flats
Figure 3
Vertical Mounting
Installation
The Model 961 single point switch may be used for high or
low level alarm, overfill protection, or seal pot level and
pump protection. Model 961 can be mounted vertically or
horizontally in vessels, bridles, or pipes.
The Model 962 dual point switch may be used to measure
high/low, high/high, or low/low levels. It can be used as a
level controller or to control pumps in an auto-fill or auto-
empty mode. Model 962 must be top mounted.
Refer Figures 2–5 to the Echotel Model 961/962 Ultrasonic
Single and Dual Point Level Switches Installation and
Operating Manual (Bulletin 51.646) for the proper installa-
tion instructions.
Bottom View
Figure 4
Horizontal Mounting
51-650 Echotel SIL Safety Manual
Bottom View
Figure 5
Nozzle Mounting
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