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LL-01 SERIES
RELAY VERSION
Proven ultrasonic technology combined with compact electronics
Improved performance in aerated liquids
Cost effective design for tight spaces and direct replacement of electro
optical and mechanical float switch
The LL-01 series Ultrasonic Sentio™ Miniature Liquid Level Switch
uses proven ultrasonic technology combined with compact electronics
yielding improved performance in aerated liquids.
Features
Applications
Standard Features
• Pump protection
• High pressure up to 250 PSIG (1724 KPa)
• Storage tanks
• Relay output, SPST (NO or NC)
• Compressors
• No moving parts, easy to install
• Medical and laboratory equipment
• Input 5.5 to 30 VDC
• Hydraulic supply lines
• Digital filter techniques enhance
performance
• Oil film detection
• Coolant reservoirs
• Boiler water cutoff
Optional Features
• Temperature options: 80°C or 100°C
• Mounting options: ¼” NPT or ½” NPT
• Power Loop version also available (Wet
20±1 mA; Dry 4±1 mA)
• Sewage systems
• Pipelines
• Hydraulic and lube reservoirs
• Chillers
TE CONNECTIVITY SENSORS /// LL-01 SERIES – RELAY VERSION
11/2021
Page 1
LL-01 SERIES
RELAY VERSION
Specifications
Repeatability
2 mm or better
Delay
0.5 seconds
Input Power
5.5 to 30 VDC
Output (standard)
Solid state relay, SPST
Peak Load Voltage
100V (AC or DC), inductive loads must be diode bypassed
Continuous Load Current
3.5 A
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