Quick Start Guide

Quick Start Guide
D103214X012
DLC3010 Digital Level Controller
September 2014
12
Mounting the Digital Level Controller for Extreme Temperature
Applications
Refer to figure 7 for parts identification except where otherwise indicated.
The digital level controller requires an insulator assembly when temperatures exceed the limits shown in figure 8.
A torque tube shaft extension is required for a 249 sensor when using an insulator assembly.
Figure 7. Digital Level Controller Mounting on Sensor in High Temperature Applications
MN28800
20A7423‐C
B2707
SENSOR
DIGITAL LEVEL CONTROLLER
SHAFT
EXTENSION
(KEY 58)
SHAFT
COUPLING
(KEY 59)
SET SCREWS
(KEY 60)
INSULATOR
(KEY 57)
CAP SCREWS
(KEY 63)
MOUNTING STUDS
(KEY 33)
HEX NUTS
(KEY 34)
WASHER
(KEY 78)
Figure 8. Guidelines for Use of Optional Heat Insulator Assembly
HEAT INSULATOR
REQUIRED
70
0 20 40 60 80 100 120 140 160
010 20
-20 -10
30 40 50 60
400
300
200
100
0
0
400
800
-325
AMBIENT TEMPERATURE (_C)
STANDARD TRANSMITTER
AMBIENT TEMPERATURE (_F)
HEAT INSULATOR
REQUIRED
TOO
HOT
NOTES:
1 FOR PROCESS TEMPERATURES BELOW -29_C (-20_F) AND ABOVE 204_C (400_F) SENSOR MATERIALS MUST BE APPROPRIATE FOR
THE PROCESS — SEE TABLE 9.
2. IF AMBIENT DEW POINT IS ABOVE PROCESS TEMPERATURE, ICE FORMATION MIGHT CAUSE INSTRUMENT MALFUNCTION AND REDUCE
INSULATOR EFFECTIVENESS.
39A4070‐B
A5494‐1
425
80
-100
-200
176
-20-40
-40 -30
TOO
COLD
1
NO HEAT INSULATOR NECESSARY
PROCESS TEMPERATURE (_F)
PROCESS TEMPERATURE (_C)
CAUTION
Measurement errors can occur if the torque tube assembly is bent or misaligned during installation.