SOR 1540 User Manual

1540 Side Mounted

®

Pneumatic Level Switch

General Instructions

The side mounted SOR® 1540 Pneumatic Level
Switch provides a pneumatic output signal for either
a high or low level condition.
The float moves a magnet
into the field of a
magnetically actuated
sensor. The unit may
be mounted for either
high or low liquid level alarm.

NOTE: If you suspect that a product is defective, contact the factory or the SOR Representative
in your area for a return authorization number (RMA). This product should only be installed by
trained and competent personnel.

1540 Pneumatic Level

matic output signal for either

ition.

et

alarm.

Before Installing the Level Switch



Inspect the unit for any shipment damage.



Check for mechanical clearance. The float must move freely throughout its stroke inside
the vessel.



Use an acceptable thread compound to ensure a leak-free fit and avoid thread
galling when installing the unit into the vessel.


Clean, dry air or gas must be used as the supply media to avoid plugging critical

internal restrictions.


MC or MD (manual check) option can be removed to allow supply fitting to be installed.

Reseal threads with acceptable thread compound and insert to dimension shown.

SUPPLY PRESSURE RANGE: J0 SWITCH – 0-30 psi (0-2 BAR)
J1 SWITCH – 0-80 psi (0-5.5 BAR)

Design and specifications are subject to change without notice.

For latest revision, go to www.sorinc.com

Form 1306 (04.13) ©SOR Inc.

Registered Quality System to ISO 9001

1/4

The following drawings show the manual check (MC or MD) option.

* CLOSED

AIR
FLOW

HIGH LEVEL

HIGH LEVEL

AIR
FLOW

* DO NOT PLUG THIS PORT. DURING ACTUATION AND RESET,
TRAPPED AIR IN THE SENSOR MUST ESCAPE FOR THE UNIT
TO OPERATE PROPERLY.

Linear = mm/inches

Drawing 0091448

AIR
FLOW

AIR
FLOW

* CLOSED

LOW LEVEL

LOW LEVEL

2/4

Form 1306 (04.13) ©SOR Inc.