Morrison Bros 20” Brass adjustable level sensor with alarm

Application

Level sensor in liquid storage tanks

Activates audible alarm

Standard Features

Alarm Box

• Audible and visual indicators
• Self-powered by long-life replaceable lithium batteries
• Low battery visual indicator
• Audible alarm sounds 90 dB alarm at four feet away
• Corrosion-resistant and water-resistant housing for long life
• In compliance with UL 913 intrinsic safety standards for Class I, Division 1 and 2, Group D hazardous location

Sensor

• Four sensor length ranges
• Fully adjustable within the sensor range length
• Installs into a 2” female threaded opening
• ½” NPT fitting at top of sensor
• Normally open switch easily converted to normally closed operation

Construction Details

• Alarm box: Polycarbonate plastic
• Wires: PTFE jacketed wires
• Floats: Nitrophyl®-M (924); 316 stainless steel (924S)
• Tube: Brass (924); 304 stainless steel (924S)
• Bushing: E-coated steel (924); 304 stainless steel (924S)

Electrical – Level Sensor

100 watt resistive load, 300VAC – 700mA max / 350VDC – 1.0A max, SPST

Approvals

Florida DEP EQ-527 (918S), Florida DEP EQ-862 (924/924S)