CQF16-06ENSEW1, SICK, capacitive level sensor through vessel wall, 0.5–6mm, NPN, cable 2m

CQF16-06ENSEW1, SICK, capacitive level sensor through vessel wall, 0.5–6mm, NPN, cable 2m

Capacitive sensor CQF16-06ENSEW1 (SICK order number 6068626) is a flat sensor for detecting liquid levels without direct contact with the medium. The stated sensing range 0.5 mm–6 mm; output NPN and connection Cable, 4--core, 2 m.

Technical specifications

Working principle of a capacitive sensor

A capacitive sensor creates an electric field in front of the active face. An approaching material changes the capacitance of the measuring system and the electronics evaluate the switching state. Unlike an inductive sensor, it can also respond to non-metallic materials such as plastic, glass or liquid. The actual sensitivity depends on the material properties, humidity and installation geometry.

Typical applications of this variant

The CQF version is used for non-contact detection of liquids through the wall of a plastic or glass vessel. The wall material and thickness, the properties of the liquid and a correctly performed teach-in of the full/empty state are decisive.

Mounting and sensitivity adjustment

CQF is suitable for detecting water and aqueous solutions from outside the vessel. According to the manufacturer, the wall thickness matters; for model CQF16-06ENSEW1 the specific limits for plastic and glass given above must be respected. During commissioning, teach the full and empty states according to the manual.

Wiring and correct selection

For the control system, check the compatibility of the input with the output NPN, the supply voltage and the assignment of wires or pins. Different variants of the series may have different connectors, cables and contact functions.

FAQ

Does the sensor detect only metal? No. The capacitive principle can also detect non-metallic substances; the effective distance depends on the material.

What is important when choosing a replacement? Order number, shape and mounting, range Sn, output, supply and the exact connection.

Is the stated distance always achievable? No. The manufacturer's parameter applies under specified conditions; after installation we recommend testing the detection of the specific target.

TECHNOLINE – technical note: The rated range is not a universal detection distance for all materials. For safety-critical applications, first verify the conditions in the manufacturer's datasheet and on the equipment.