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The Morrison 818 - 2" Clock Gauge wih Female Threads, With Drop Tube Float (Float Fits 2" Schedule 80 & larger)

MOR818F

Standard Features

• 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
• Easy to install and calibrate in a 2″ tank top opening 
•  Accurate to 1/8 of an inch
• Easily read from 30 feet away
•  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 drop tube for turbulent environments

Construction Details

818 & 818F

Body: Aluminum

Float: Stainless steel

Cable: Stainless steel

Supplemental Info:

Click for Morrison 818 Installation Instructions

Click for Morrison 918 Installation Instructions

See Morrison Clock Gauge Video

MORRISON

Morrison 918 Clock Gauge With Alarm

The Morrison 918 Clock Gauge is designed to measure liquid level in an aboveground storage tank. The gauge mounts on top of the tank and is activated by a float connected to a cable. The 918 is designed to connect to an alarm box that can provide a high level audible alarm at a desired volume that is set during installation.

Two Models To Choose From:

The Morrison 918 - 2" Clock Gauge w/Alarm and Male Threads

MOR918

The Morrison 918F - 2" Clock Gauge w/Alarm and Female Threads, with Drop Tube Float (Float Fits 2" Schedule 80 & larger)

MOR918F

Gauge features:

• Easy to install in a single 2″ tank top opening, easy to calibrate

• 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 ⅛ of an inch

• Easily read from 30 feet away

• Vapor tight construction and 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)

• Floats fit through a 2 schedule 40 pipe nipple

• Drop tube float compatible with Morrison 419 - 2" drop tube (reduces float entanglement when turbulent conditions are present)

• Alarm set point calibrated at installation. The alarm box is compliant with UL 913 and CSA 157 intrinsic safety standards.

Alarm features:

• Audible and visual indicators

• Self-powered by long-life replaceable lithium batteries

• Monitor up to four sensor signals • User-defined alarm labels

• Visual alarm indicators easily identify which sensor is alarming

• Low battery visual indicator

• Audible alarm sounds 90 dB alarm at four feet away

• Modular contacts make alarm devices easy to install

•Audible alarm auto silence mode (10 minutes)

• In compliance with UL 913 and CSA 157 intrinsic safety standards

• Corrosion-resistant and water-resistant housing for long life

• Intrinsically safe for Class I, Division 1 and 2, Group D hazardous location