LL-10 SERIES SPECIFICATIONS A direct replacement for mechanical float type liquid level devices Proven ultrasonic technology Solid state integral electronics Designed for years of maintenance-free service The Solid State Float LL-10 series liquid level switch is a direct replacement for mechanical float type liquid level devices. It employs proven ultrasonic technology and solid state integral electronics. The Solid State Float provides reliable operation in virtually any liquid and eliminates failures due to finite mechanical life inherent in the mechanical float design. With fully epoxy sealed electronics, combined with ultrasonic sensing technology, Solid State Float is designed for years of maintenance-free service. APPLICATIONS FEATURES Pump protection Standard Features Storage tanks High pressure up to 1000 PSIG Compressors (6895 Kpa) Medical and laboratory equipment Output: Relay output, 1 amp SPDT Hydraulic supply lines (normally open) Oil film detection No moving parts, easy to install Coolant reservoirs Boiler water cutoff Input 5 to 30 VDC Sewage systems Digital filter techniques enhance Pipe lines performance Hydraulic and lube reservoirs Chillers Optional Features Electropolishing Higher temperature up to 212 F (100 C) Power Loop output, 4 20 mA SENSOR SOLUTIONS /// LL-10 Series Relay Version 06/2017 Page 1 LL-10 SERIES PERFORMANCE SPECIFICATIONS Parameter Typical Value Parameter Typical Value Repeatability 2 mm or better Protection Transient, reverse polarity Delay 0.5 seconds Sensor Material 316L Stainless Steel Input Voltage 5 to 30 VDC Temperature -20 to +176 F (-29 to 80 C) Input Power 100 mA max Operating Up to 1000 PSIG (6895 Kpa) Pressure Leakage Current Less than 50 A Relay Output: 1 AMP SPDT NO or 1, 4, 10, & 20 foot long lengths Output (standard) Cable Length NC available Mounting 3/4 NPT STD MECHANICAL DIMENSIONS in inches mm Figure 1: LL-10 series element SCHEMATICS Typical Wiring Diagram Relay Output Figure 2: Typical wiring diagram for LL-10 series element SENSOR SOLUTIONS /// LL-10 Series Relay Version 06/2017 Page 2