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RT8A Thermometer
Installation Guide
11 Thermometer Installation
1)
Insert the thermometer into the thermometer jacket.
2)
Unscrew the small circular cap at the rear of the thermometer to reveal the
emissivity and time response controls (See Fig. 10).
Fa
st
Screw-on cap covering
thermometer controls
Rear face of RT8A
thermometer
Electrical Connector
Fig. 10 Location of RT8A thermometer controls screw-on cap
3)
Set the emissivity control to 95 using a small screwdriver (see Fig. 11).
Emissivity
Example = 0.95
SW1
SW2
P1
Response Speed
Fully anticlockwise = 1 sec
Fully clockwise = 10 sec
Emissivity
0.10
0.80
0.95
0.92
1.00
SW 1
1
8
9
9
0
SW 2
0
0
5
2
0
Example settings
=
0.95
Fig. 11 Emissivity and Response Speed setting
4)
For
drier exit
applications, set the time constant control to mid span.
For
mixer/bin exit
applications, set the time constant to 1 second, fully
anticlockwise.
5)
Replace the circular cap.
Refer to the User Guide for a further explanation of the Emissivity and Time
Constant controls.
