Sensors precisely and reliably detect liquid levels

The series reliably detects liquid levels in space-constrained applications, such as fluid storage tanks, compressors, boiler tanks, hydraulic reservoirs and chillers. Many OEM markets including medical and histology, HVAC, industrial automation, chemical delivery and waste management benefit from the sensors’ advanced properties.

The compact, cost-effective design, including the integral analog circuitry, allows easy integration into a wide variety of industrial equipment. The fluid level detectors come with either 1/4" NPT or 1/2" NPT threaded fitting, and use no moving parts for exceptionally long-term operation.

The switches handle pressures up to 250psig (1,724Kpa) as standard with higher pressures up to 500psig (3,447Kpa) available. Input power is 5-30V DC and standard relay output is 0.5A SPST in a normally opened configuration, with a normally closed relay option for high level fail-safe operations.

A 4-20mA power loop output can also be incorporated into the new sensors to ensure that signal accuracy remains unaffected by voltage drop or to supply operating power to the device. Each unit offers transient and reverse polarity protection against surge damage. Operating temperature range is from -20 to +176°F (from -29 to +80°C). Repeatability is 2mm or better and leak current is less than 50μA.

Pricing and delivery for an LL-01 switch is dependent upon quantities ordered.