●General 

themodel CLA-ST1 level switch is a product based on practical field surveys andthat fills the field needs for static type level switches.

This level switch is a separate type that connects theprobe and oscillator with a coaxial cable to allow adjustment maintenance in agood working environment. Not only this, various types probes are prepared forthe optimum selection meeting the conditions of installation.

●Featuresof model CLA_st1

1, long life

A long servicelife is assured since there are no moving mechanical components.

2, wide range adjustment function

It provides a widerange of adjustment functions to allow optimum setting to any object ofmeasurement, whether an insulator or conductor.

3, selection of sensitivity really operation

Sensitivityor relay operation can be selected ty the operation mode switch.

4, built in time delay function

In order to avoidactuation by instantaneous changes of level such as waving or loose cargo, itprovides a time delay function that is variable between 0.5 and 7sec.

5, rich assortment of probes

Various types ofprobes are available in order to meet any specific requirements including thosefor type of measurement object and field conditions.

●operationprinciple and composition

◆Operation principle    

When the measurement object touches theelectrode inserted in the tank, it causes a difference in the static capacitybetween tank walls, by using this change of static capacity retrieved as anelectrical signal (relay contact), the existence non existence of themeasurement object, or the interface is detected

◆Composition

1, oscillator

2, probe LE-15p

3, coaxial cable

sensitivity changing and sitting

By operating thesensitivity switch s1, the standard sensitivity can be selected for the objectof measurement. Furthermore, the sensitivity adjustment dial performs the fineadjustment of sensitivity.

●relayoperation

The relayoperation mode switch s2 can be set to either operate or stop the relay whenthe probe detects the measurement object.

●delaytime adjustment

In order to avoidmalfunction due to waving and other instantaneous changes, a time delay circuitis built in, and the delay time can be adjusted by operating the delay time setvolume (TVR).

●operationdisplay

The power displaylamp lights when power is applied DETECT lights when the measurement object isdetected and OUTPUT ON lights when the relay operates so that setting thesensitivity and confirmation of operation can be performed easily.

●Installationconsiderations

Oscillator

The oscillator is housed in awater and dust-proof aluminum

The oscillator ishoused in a water and dust proof aluminum box (IP-55),but it is recommendedthat a cover be provided above the box when it is installed in places exposedto rainwater or sunlight.

◆Probe

▲Place it so that it is not subject to thedirect impact of objects.

▲In order to avoid sticking, tangling ofwires, etc.,

  allocated component probes having a suitablespacing.

▲If a rod type probe (LP type) is used, thewhole or part of the non-sensitive portion should be inserted in the tank wall.The depth of insertion should be 10mm or more for ordinary objects, and 50mm ormore for sticky objects.

PROBE MODEL: SE-200PHN

USED: coke dry quenching  CDQ

PROBE MODEL: SE-35PHN-20

PROBE MODEL: SE-35PHN-20