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3. Loosen the set screw on the outside neck of the Transmitter one (1) full turn.
4. Rotate the Electronics housing a maximum of 180
you require, and tighten the set screw 8.9 to 9.7 pound-inches (1.40 to 1.68 Newton meters),
using a 4mm metric socket head wrench. See the following example and Figure 7.
EXAMPLE: Rotating the Electronics Housing
The mounting position of absolute pressure models STA822, STA82L, or a draft range
model STD810 is critical as the Transmitter spans become smaller.
A maximum zero shift of 2.5 mmHg for an Absolute Transmitter or 1.5 inches of water
(inH
O) for a Draft Range Transmitter can result from a mounting position that is rotated
2
o
90
from the vertical. A typical zero-shift of 0.12 mmHg or 0.20 inH
(5)-degree rotation from the vertical.
Page 10
Figure 6 – Inline Model Mounted to an Optional Bracket
Figure 7 – Rotating the Electronics Housing
ST 800 SmartLine Pressure Transmitters User's Manual
o
left or right from the center to the position
O can occur for a five
2
Revision 10
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