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Products > Level Controllers

Level Controllers

OMRON produces a series of specialised sensors for detecting liquid levels. Capacitive, conductive and ultrasonic sensing is used for level control devices.

• Device Selection Guide for Water Level Control Applications N217-E1-01
Level Controllers Technical Guide

Conductive
Ultrasonic
Previous Models

Conductive

Model K7L___-B K8AK-LS
Type Leakage sensor Conductive Level Controller
Features • Detects leakage of water and chemicals with low conductivity
• Compact Plug-In units for use with Push-In Plus Terminal Block Sockets
• Models for long-distance wiring upto 400 m
• Ribbon Electrode Bands and Point Sensors available
• Sensor disconnect function available on some models
• Outputs can be set to self-hold at ON or OFF using self-holding circuits.
• Sensitivity adjustment of operating resistance from 10 to 100k Ohms for application to a wide range of liquids
• Delay timer to prevent relay contact chattering caused by waves
Supply voltage 12 to 24V DC 24 VAC, 50/60 Hz, or 24 VDC
100 to 240 VAC, 50/60 Hz
Detectable substances Liquids with resistance up to 50M Ohms Conductive liquids
Control output NPN open collector; 100mA at 30 VDC 6 A at 250 VAC for resistive load
1 A at 250 VAC for inductive load
   
Model K7L-AT50 and K7L-U 61F-N, 61F-G_N, 61F-GP, 61F-GPN
and 61F-GP-N2
Type Leakage sensor Floatless level controller
Features • Detects leakage of water and chemicals
• Space saving sensor amplifier
• Socket-mounted design
• Floatless conductive system
• Separate probes for high, low and alarm levels
Supply voltage 12 to 24V DC 24 or 240V AC
Detectable substances Liquids with resistance up to 50M Ohms Conductive liquids
Control output NPN open collector; 100mA at 30 VDC Relay; 5A at 250VAC
   
Model 61F-WLA / 61F-GPN-V50  
Type Water leak alarm and Detector  
 
Features • Settable operating resistance, to detect desired leakage levels
• Uses corrosive resistive sensing band
• Socket-mounted design
 
Supply voltage 24, 110-120 or 220-240V AC  
Detectable substances Liquids with resistance up to 50K Ohms  
Control output 3 A at 250 VAC for resistive load
1 A at 250 VAC for inductive load
 

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Ultrasonic

Model E4A-3K E4PA-N
Type Ultrasonic Long-range laser sensor Ultra sonic sensor
Features • Background suppression for accurate sensing
• Fast alignment troubleshooting with stable operation check function
• Mutual interference protection built in
• Self-contained, no external power supply required
• High-precision detection with a wide range measurement
• A setting plug with a temperature compensation function make it easy to set the sensing range.
• The sensor is ultrasonic, so it is not affected by the color of objects
Sensing Distance Adjustable between 0.3 and 3 m (selectable ranges of 0.3 to 2 m and 1.3 to 3 m) 50 to 500 mm
120 to 2000 mm
240 to 4000 mm
400 to 6000 mm
Inputs / Outputs Contact output : SPDT 3 A at 220 VAC/24 VDC Analogue Output
Power supply voltage 12-24VDC
120/240 VAC
10 to 30 VDC
Current consumption 150 mA max.
Approx. 2.5 VA
1800mW max
IP Rating IP60 IP65
Details on previous Level Controller models Top