WIKA OLS-C20 - Manual (Page 9)

WIKA operating instructions mini limit switch, model LSO.02 9
13334591.02 10/2010 GB/D/F/E
GB
4. Design and function
Process connection
Ø A
Spanner width
B
Sealing face
Ø C
M16 x 1.5 SW24 Ø 21
G ½ A SW30 Ø 26
½ NPT SW24 -
4. Design and function
4.1 Description
This instrument is designed to detect limit levels of
liquids. For this purpose the sensor is equipped with a
V-shaped glass-tip. The model is also ideally suited for
level control, particularly in applications requiring high
precision. The measurement principle is independent of
the colour, refractive index, density, conductance and
dielectric constant of the liquid.
Integrated electronics include limit sensing and self-
calibration. The output is an open-collector pnp-transistor.
4.2 Instrument design
The sensor is a one-piece device consisting of a mechanical connection which depends
on the type of sensor, and integrated electronics built into a stainless steel housing. The
measuring length, ML, to the sealing face is always 24 mm.
Dimensions in mm
Principle of operation
Gas
Liquid
Plug connection
cable
length
3000
green
LED
Model LSO.02 with cable connection
4.3 Scope of delivery
Cross-check scope of delivery with delivery note.
Selectable process connections