APG FLX user manual - Manual (Page 4)

FLX Series Rev. C4, 10/09
4
Automation Products Group, Inc.
APG...Providing tailored solutions for measurement applications
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
• Description
The FLX series instruments contain reed switches in the stem and permanent
magnets in the floats. As the float rises or falls with the level of the liquid, the
magnet inside the float act on the reed switch inside the stem to provide the
SPST switching action.
• Handling of the Explosion-Proof FLX Series
The FLX is rated CSA Class 1 Division 1; Groups C, D for explosive
environments. All repairs and adjustments of the FLX must be made by the
factory. To modify, disassemble, or alter the FLX on site is strictly prohibited.
Do not loosen any joints, with the exception of the housing cover for electrical
connection.
Permanent Magnet
Float Travel-Stop
Float
Stem
Reed Switch