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3 . b

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Capacitive level sensors (switches) CLS–23 are designed for limit level detection of electrically

conductive and non-conductive fluids in vessels, reservoirs, sumps, pipes, tanks, etc. The sensitiv-

ity of the sensor can be easily set by placing magnetic pen on sensitive spot.

The process coupling at the housing can be with metric thread (M18x1.5 ; M20x1.5), pipe thread

(G3/8" ; G1/2") or sealing thread (NPT 1/2–14). Output performances – transistor output with open

collector (PNP), two wire electronic switch (S) and NAMUR output.

There are next performances available: N – Normal for non-explosive areas, E – Extended tem-

perature range for non-explosives areas, Xi – Explosion proof (intrinsically safe for explosive ar-

eas), NT – High temperature variant for non-explosives areas and XiT – High temperature variant

for explosive areas.

4 . F

eatUres

CLS –23_ –10

CLS –23_–11

CLS –23_ –12

Electrode length 30 mm

CLS –23_ –20

Electrode length from 50 mm to 1 m.

CLS –23_ –21

CLS –23_ –30

CLS–23

variants

Uncoated short bar electrode, for sensing of electrically non-conductive

liquids (mineral and plant oils,resins, etc.). Mounting in horizontal position.

Electrode length 30 mm.

Insulated (coated) short bar electrode, for non-aggressive electrically

conductive liquid sensing (water, water solutions). The insulation is made

from PP (Polypropylene).

Electrode length 30 mm.

Insulated (coated) short bar electrode, for moderately aggressive electri

cally conductive liquid sensing (chemicals, water, moderately aggressive

water solutions). Higher temperature resistance than variant "11". The insula

tion is made from FEP (Tetrafluoroethylene-Perfluoro-Propylene).

Partly insulated rod electrode, for level detection of conductive and non-

conductive liquids, partially resistant to vapours (water) condensation in the

sensing area. The insulation is made from FEP. Vertical mounting; horizontal

mounting (from the side) is possible for shorter electrodes (up to 200 mm)

Fully insulated rod electrode, for universal use, for level detection of con

ductive liquids (water, water solutions). Resistant to vapours (water) conden

sation in the sensing area and partially resistant to medium

spraying. The insulation is made from FEP. Vertical mounting; horizontal

mounting (from the side) is possible for shorter electrodes (up to 200 mm).

Electrode length from 50 mm to 1 m.

Uncoated removable rod electrode, for level detection of conductive and

non-conductive liquids. Vertical mounting; horizontal mounting (from the

side) is possible for shorter electrodes (up to 200 mm).

Electrode length from 50 mm to 1 m.