The Morrison “clock gauge” displays the liquid level of product stored in an aboveground storage tank. Measures the liquid level in tanks up to 12 feet high. The 918 audible alarm sounds when the liquid level in the tank reaches the user’s specified level.
Standard Features
Easy to install in a single 2″ tank top opening, easy to calibrate
Battery powered audible alarm
 Gauge face displays level reading in feet and inches. The hour hand (short hand) displays the number of feet and the minute hand (long hand) accurately displays the number of inches
 Accurate to 1/8 of an inch
 Easily read from 30 feet away
 Vapor tight construction
 Vapor tight fog free design
 Gauge rotates 360° making it easy for the face to be read from the desired orientation
 Visual indicators for high level (red) and low level (green) are applied to the dial face cover
 Standard float fits through a 2″ schedule 40 pipe nipple
 Compatible with 2″ Morrison model 419 drop tube
 Optional drop tube float when used in conjunction with a drop tube, reduces float entanglement when turbulent conditions are present
 918T and 918FT series are compatible for use with Diesel Exhaust Fluid (DEF)
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Construction Details
918 & 918F
Body: Aluminum
Float: Stainless steel
Cable: Stainless steel
918T & 918FT
Body: PTFE coated aluminum
Float: Stainless steel
Cable: Stainless steel
Certifications & Listings
Alarm unit is UL 913 listed
918 single channel alarm and clock gauge is Florida DEP EQ-527