HFS202 – High Frequency Level Switch (Immune to Build-up)
Sitron´s HFS202 ultra-modern high frequency limit level sensor is designed to effortlessly detect the level of fluids or paste-like media while ignoring the influence of deposits of viscous media (ketchup, yogurt, pastes, syrups, jams and jellies, creams, soap) as well as products such as detergents, alkalis, or various chemicals. The sensor works in the high frequency band, enabling reliable detection of the level of media without interference from coating or build-up on the electrode.
The HFS202 sensor is an excellent replacement technology for vibrating tuning forks, capacitance, ultrasonic, conductive or optic level sensors in either simple or more demanding applications. The media may be electrically conductive or non-conductive. It can be installed in either metal or plastic tanks, pipes, filling tanks, sumps, etc. and does not rely on
a metalic reference.
The sensor is made from an all stainless steel (AISI 316L) housing with a sensing electrode made from highly resistant PEEK. The top of the sensor features dual LED status indicators with magnetic point (+/-) sensitivity and calibration controls along with an M12 electrical connection. It is designed to be mounted into the wall of a tank or pipe, at the
point where level detection is required and can operate at process temperatures up to 105°C.ul
Supply Voltage: 7 … 34 V DC
Current Consumption: max. 5 mA DC
Output: PNP (open collector)
Status: indication 2x LED (orange, green)
Max. Switching Current: (PNP output) 300 mA
Residual Voltage in Closed State: max. 1.5 V
Protection Class: IP66
Cable: PVC 3 x 0.5 m2 m
Weight: (without cable) Approx. 0.15 kg
Setup Via: Magnetic pen
Electrode coating: PEEK
Relative Permittivity of Medium: ε ≥ 1.5
• Direct mounting into tanks, vessels, pipes or containers
• Fully configurable sensitivity adjustment using a simple magnet pen
• Universal design for all types of fluids (electrically conductive and non-conductive) with a sensing tip made from PEEK
• High stability at high sensitivity (can be used in applications with substances with εr ≥ 1.5)
• Designed for reliable limit level detection of a wide range of fluids, oils, paste-like materials, fibers and solids (including plastic pellets) with either high or low densities or dielectric constants
• Generates a high frequency sensing field which is immune to product adhesion, making it an ideal solution for viscous or sticky media such as ketchup, yogurt, syrups, creams or pastes, tar like materials, paint, alkalis, etc.
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