Datasheet > V223429

V223429

更新时间： 2024-10-31 01:22:27

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描述
Level Monitors Type NS

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V223429 数据手册

Filling level probe

Level Monitors Type NS

The NS level monitor is an elec-

Application:

General

tronical device for monitoring

liquidlevels.Theycanbeusedas

limit monitor or minimal-maximal

control.

The monitoring of liquid levels is

eﬀected via electrodes.

The NS units protect aggregates and plants against dry

running, overﬂow, leakage damages and unnecessary

lost of liquids. Characteristical applications are swim-

mingpools,groundwaterendangeredbuildings,oilﬁlled

under-water-pumpsaswellaswhereeveracertainlevel

should be maintained resp. dosed.

The level capture is eﬀected

The level monitor operates as conductivity measuring

device and guarantees a perfect level capture at a

resistance of up to 250 kΩ, measured between the

electrodes.ZIEHLlevelmonitorsarealsoavailablewith

adjustable time delay in order to avoid a too high relay

switching frequency in case of a moving water surface.

Aselectrodesanyconductors,thatjutintothetankdown

to the required level, can be used. At metal tanks the

wall of the tank can be used as basic electrode.

Function

throughresistancemeasurement

via an AC voltage measuring

path, operating completely DC

voltage-free. Hereby, the resis-

tance between two (resp. three)

electrodes is measured.

When the level increases, the

electrodes are bridged and an

integrated relay switches.

Niveauelectrodes

Behälterwandung

Insulated screw-in electrodes for mounting in walls of

tanks.Theelectrodesaremadeofstainlesssteel(V2A),

the material of the insulation is Teﬂon.

Electrode NE1

2 Scheiben

Schraube

M4x20 V2A

2 Muttern

Part number:

V223430

The electrode NE2 with its ½"

thread can directly be screwed

into the wall of a tank. The two

electrodes (stainless steel V4A)

are ﬂush cast in a plastic housing

(Polypropylen, PP) with cast re-

sin. The electrode can be used in

a temperature-range -5…105 °C

and is pressure-resistant up to 6

bar. The ingrained cable with 2

strands, each 0,25 mm2, is 2000

mm long, Ø 4 mm.

For one level only one NE2 is suﬃcient. For use with

a level-monitor for more levels, normally one NE2 per

level is required.

Electrode NE2

SW 27

2000 ±10

rt / RD

1/2"

Ø 4

Maße in mm

Part number:

V223429

2014-04-30

146 ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de

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