
A Division of: 
Light Engineered Displays, Inc. 
109 Portwatch Way 
Wilmington, N.C. 28412 
Phone: (800) 251-2512 
Fax: (800) 251-9878 
Internet: www.ledinc.com 
Email: sales@ledinc.com 
General Description
The AMC-5002B Dual Liquid Sensor detects 
and distinguishes leaks of water and petroleum 
based liquids at a single location. The unique 
design allows flexability of installation and quick 
alarm response once in contact with liquid; it 
also responds faster to deisel.
Specifications
AMC-5002B DUAL
LIQUID SENSOR
AMC
SERIES
 Detectable Liquids
   Water, gasoline, diesel, waste oil and 
   petrolium products
 Sensor
  Immersion probe consisting of conductivity 
  electrodes and a fully reversable, liquid  
  hydrocarbon sensitive element(discriminates 
  between water and hydrocarbons). Certified 
  intrinsically safe.
  WATER circuit: Normally open 
  PETROLEUM circuit: Normally closed
 Size
  1.6” (41mm) L x 1” (25mm) W x 0.38” (96mm) 
  Thick
 Response Time
   Depends on operating conditions and 
   temperature   
   Water : Instantaneous 
   Gasoline : Under 3 Minutes 
   Diesel : Under 1.5 minutes 
   Waste Oil : Depends on mixture ratio
 Repeatability
  Excellent, even after repeated immersions
 Sensor Life Expectancy
   Five years
 Warranty
  One year (limited warranty)
IMPORTANT: This device must be used in conjunction with 
an LED (or compatible) liquid monitor, or an approved barrier 
and in compliance with applicable federal, provincial, state 
and local laws and regulations. Product delection should be 
based on physical specifications and limitations and compatibility with the environment and materials to be handled. LED 
MAKES NO WARRANTY OF FITNESS FOR A PARTICULAR USE. All information and specifications in this literature 
are based on the latest product data available at the time of 
publication. LED reserves the right to make changes at any 
time in prices, materials, specifications and to discontinue 
models without notice or obligation.
 Installation Wiring
  Intrinsically safe, four conductor shielded 
   cable
 Operation Temperatures
  Water : 0ºC to 50ºC (32ºF to 122ºF) 
   Petroleum : -40ºC to 50ºC (-40ºF to 122ºF)