Open Nav

FIG 1218

Electronic Tank Gauge

The Morrison 1218 electronic tank gauge series monitors and displays the liquid level and/or volume of product stored in 1 to 4 aboveground storage tanks. The tank sensor utilizes a mechanical float to monitor the tank liquid level and electronically converts the tank level to display on the system console located within 1000’ of the tank sensor.

Subscribe to Firmware Update Notifications

1218 Demo

Product Features

System Console Features

  • 4.3” diagonal color LCD display (480x272 pixels) with auto LED backlight adjustment
  • System console displays liquid volume level in horizontal, rectangular, or vertical tanks
  • Level units: feet and inches or centimeters (resolution to 1/10 of an inch)
  • Volume units: gallons or liters
  • Visual and audible alarm indication when alarm condition is activated
  • 2 output relays—3 Amps @ 240 VAC
  • Simple push to test or acknowledge alarm button
  • USB port functionality—software updates and download event logs
  • Configuration setup via Ethernet PC connection, Ethernet Network connection, or manually at console
  • NEMA 4X indoor/outdoor weather protected, lockable enclosure
  • Optional remote secondary console with operational functionality

Tank Sensor Features

  • 25’ and 50’ models available for use with system console
  • 2 dry contact, intrinsically safe inputs available in tank sensor for additional simple switch inputs
  • 25’ tank sensor accuracy +/- 0.3”; 50’ tank sensor accuracy +/- 0.6”

Configuration Options

  • User defined tank identifications, alarm levels, and input alarm labels
  • Up to 4 programmable liquid level alarm set points per tank
  • Audible alarm ON/OFF and Auto-Silence ON/OFF is programmable by input channel
  • Output relays programmable as normally activated or normally deactivated and for desired alarm activations
  • Email address book supports email and SMS/text message alarm and status notifications
  • Sloped tank and manifold tank functionality available for specific parameters
  • Heartbeat power indicator is user selectable

Network Connectivity

  • Ethernet port connection (RJ-45 connector)
  • TCP/IP configured with static IP address or dynamically using DHCP and local host name
  • HTTPS secure web-based interface with system console for remote viewing
  • Multiple display system consoles can be networked by utilizing Ethernet functionality

Business Management System Connectivity

  • Modbus RTU and TCP interface configuration


  • System stores an event log (up to 1,000 events) and creates a downloadable report
  • Event log can be downloaded via network Ethernet connection or via USB port inside system console


Operating temperature Range: -40°F to 140°F (-40°C to 60°C)

Humidity: 0% to 95% non-condensing

System console dimensions (H x W x D): 9⅜” x 7⅞” x 4⅝”

100-240 VAC +/- 10%, 50/60 Hz

Materials of Construction

  • Tank sensor body: Passivated aluminum
  • Cable and float: Stainless steel cable and float
  • Console enclosure: Polyester fiberglass


UL/cUL 913; UL/cUL 508; Listing for Tank Monitoring Equipment for Ordinary Location with Hazardous Location Intrinsically Safe Input Circuits for Class I, Division 1, Group D; Florida DEP EQ-872

Product Ordering Instructions

Fig Suffix Description Weight
1218C 0000 AC Remote secondary console (optional) 6
1218C 0200 AC System console monitors up to 2 tanks 6
1218C 0400 AC System console monitors up to 4 tanks 6
1218S 2500 AS 25’ tank level sensor 8
1218S 2510 AS 25’ tank level sensor with drop tube float
1218S 5000 AS 50’ tank level sensor 11
1218S 5010 AS 50’ tank level sensor with drop tube float
1218S 2539 CC 1,000’ spool Belden 7933A cable
1218S 2543 CC 50’ spool Belden 7933A cable
1218S 2544 CC 100’ spool Belden 7933A cable
1218S 2545 CC 500’ spool Belden 7933A cable