SOR High Static Operation - Manual

Form 391 (01.13) ©SOR Inc. 1/12
These instructions provide information for installation,
electrical connection, process connection and calibration
of 103 Differential Pressure Switches.
Process pressure is sensed by a diaphragm and piston
assembly. The piston responds to differential pressure and
moves a lever that is connected to a torsionally
stiff cross shaft. One end of the cross shaft is
connected to a lever that is biased
by the range spring. The other
end has a lever that actuates
(deactuates) an electrical switching element.
NOTE: If you suspect that a product is defective, contact the
factory or the SOR Representative in your area for a return
authorization number. This product should only be installed by
trained and competent personnel.
103
Differential Pressure Switch
General Instructions
Registered Quality System to ISO 9001
Design and
specifications are
subject to change
without notice.
For latest revision, go to
www.sorinc.com
Table of Contents
Installation .......................................1
SIL Installation ..................................2
Process Connection ............................2
Electrical Connection ...........................3
Special Conditions ..............................4
Calibration .......................................5
Dimensions Series 103-212 ...................6
Dimensions Series 103-502, 805 ............8
ATEX Information ............................. 10
Declaration of Conformity ................... 11
Installation
Use care during installation. Do not inadvertently move the electrical
switching element or its housing. Movement of either could disturb the
relative positions of internal working parts and alter calibration or render
the device inoperative.
This product should only be installed by trained and competent personnel.
Securely mount the pipe kit bracket or base plate as supplied to horizontal member
of pipe stanchion, channel rack or flat surface using suitable bolts. The 103 is not
position sensitive. It may be mounted in any position.
assembly. The piston respo
moves a lever th
stiff cross shaft.