INSTALLATION, OPERATION ANDMAINTENANCE INSTRUCTIONS

Capacitive Level Sensor SC 400 / LV 400

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101112

Contents

Introduction .............................................................................Features & Dimensions .......................................................... Handling .................................................................................Installation .............................................................................. Wiring diagram .......................................................................Calibration ..............................................................................Maintenance ...........................................................................Technical specifications ..........................................................Trouble shooting .....................................................................Ordering information ..............................................................

Introduction

3

The SC400 point level detection probe, along with the LV400 controller, are designed to control the level of a wide variety of materials, such as water, oils, corrosives, solids, powders, grains, etc. The SC400's sensing capability provides reliable point level indication in high-pressure tanks, as well as in extreme high/low temperature ranges.

The SC400 is a very compact switch, made with 316 S.S, and available in threaded, flanged or sanitary process connections. The LV400 controller is available with 24 VDC, 115 VAC or 220 VAC supply voltage, and a relay output.

SC 400 + LV 400

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Features and Dimensions

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L

3/8”

00 2525 5050 7575 100%100%

SetSet

FlowFlow

AdjustAdjust

4/20mA4/20mAOutOut

SondaSonda

SC400SC400

5 A 250V AC5 A 250V AC

PowerPower

LV 400/2LV 400/2

11++__

22 SS

4 3/8” (34,5mm)

3 1

/4”

(81

,5m

m)

1 3/4” (44mm)

Wide range of applications/industries such as:water, oils, corrosives, solids, powders, grains, etc.Functions on conductive as well as non-conductive mediasNo moving partsRugged constructionUnaffected by coating media or agressive productsCan operate at high temperatures and pressure

LV 400/2

2 1

/2”

( 6

4 m

m )

L

3/8”

3 1/2” ( 88 mm )

SC 400

SC 400 EX

3 1/2” ( 88 mm )

4 1

/4”

( 11

4 m

m )

5

Handling

Do not turn or handle by the housing

Seal the threadwith Teflon tapebefore screwing

Use the correct tool to screw the switch

Installation

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1- Pre-Installation Checks: 1) Before installing the SC/400 probe and LV400 controller, check that the wire connections are correct and that the available power supply is compatible according to the label shown.

2) Confirm that the operating pressure and temperature of the process corresponds to the indicated specifications of the model to be installed.

2- Installation:

The SC400 level probe must be installed utilizing the type of connection provided. The tank must be free from turbulence or vortices throughout use. When tightening the sensor, only use the 316S.S. hexagon fitting to achieve a seal, do not twist with body of the sensor.Note: As achieving proper seal is very important for high pressures and explosion proof applications, care should be taken when tightening the connection.When installing the sensor either directly to the tank, or utilizing a “T” connection, make sure that that the rod extends beyond the inner wall of the tank so that internal build up or other debris does not interfere with sensor's performance. Care should also be taken when handling and installing sensors with coated rods. Any scratch can compromise the performance of the sensor.

CorrectIncorrect

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Wiring Diagram

--

5

0 10

LE

D

Ad

just

3 1

/4”

1 3/4”

SC400

5 A 250V AC

Power

LV 400/2

11++__

22 SS

3 1

/4”

1 3/4”

SC400

5 A 250V AC

Power

LV 400/2

11++__

22 SS

SC 400

OBS.:CONNECT LV 400

+ - s+ - s

SC 400 “EX”

SC 400

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Calibration

1) Fill up the thank until the medium touches the tip of the rod.

2) Adjust the set point of the electronic module that is contained within the enclosure. Turn the potentiometer clockwise until achieving the controlleris activated.

3) The red LED will light and the LV400 controller will be activated.

4) Turn the potentiometer clockwise two more points.

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Maintenance

When cleaning the rod use a soft brush or any other similar object.

PROBES:

Care should be taken when handling and installing probes with coated rodsto avoid scratching them.Scratching the coating could interfere with the probe performance.

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Technical Specifications

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SC 400 SC 400

Application

OperatingVoltage

Current Consumption

Adjustment

Sensibilityrange

Frequencyoscilation

0,1 to 5pF 0,1 to 5pF

2 VA 2 VA

-- --

Relay LV 400/2115 or 230 Vac (50/60Hz)24 Vdc (+/- 10%)

Relay LV 400/2115 or 230 Vac (50/60Hz)24 Vdc (+/- 10%)

Level switch for liquidssolids and granular

Level switch for liquidssolids and granular

Potentiometerswitch point

Potentiometerswitch point

Output Relay (NO + NC)5A max (250Vac)

Relay (NO + NC)5A max (250Vac)

Repeatability

Level indication

Max pressure 290 PSI (20 Bar) 290 PSI (20 Bar)

Probe: IP 65Relay: IP 40 Eex II B,C

Accuracy -- --

-- --

LED LED

Enclosure material

Glass fillednylon

Alluminum Die CastExplosion Proof

Wetted material

316 SS 316 SS

Class Protection

Processconnection

3/4” to 1 1/2” BSP or NPTflange or sanitary connections

3/4” to 1 1/2” BSP or NPTflange or sanitary connections

Operatingtemperature

Probe: 14 to 248ºF (-10 to 120ºC)Relay: 14 to 140ºF (-10 to 60ºC)

14 to 248º F(-10 to 120ºC)

MODELS

Electricalconnection

½”NPT Cable gland or M12 connector

1/2” or 3/4” NPT

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Trouble shooting

Fault

Does not switch

Continuously switching

No LED, no power

Build up on the rod

Build up on the rod

when the rod is coatedcheck if exists some scratchon the rod

Clean the rod

Clean the rod

Fix the rod, changing it

Check power supply

Cause Solution

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Ordering Information

CodeSC400

Code123

CodeBN0

CodeL

CodeNA

CodeC MT

CodePTFE

0X

Code

P50

0

- - - - - - -

CodeLV400/2

Code241123

-

CodeSC700

SC700ACSC700U

Code123

CodeBN0

CodeCMT

CodeC R

CodeSL

Code

PT

- - - - - -

Process Connection

Supply Voltage24 VDC + / - 10%115 VAC (50/60 Hz)230 VAC (50/60Hz)

Type of ThreadBSP

POINT LEVEL DETECTION - CAPACITIVEORDERING INFORMATION

Specifications

Process Connection

Probe to be used along with LV400/2 controller (see specs. below)

NOTE: RODS MUST BE COATED WHEN USING THE PROBE WITH CONDUCTIVE MEDIUMS.

Not a thread

Rod's lengthSpecify length

3/4" Thread

Type of Thread

Controller to be used along with SC400 probe

BSP

Specifications

NPT

1" ThreadOther - Specify

Cable gland with 1/2"NPT conduit entryM12 connector1/2" NPT conduit entry

EnclosureGlass filled nylonAluminum die cast

PTFE

1/2" NPT conduit entry

Type

Sensor´s Material

Rigid Rod

M12 connector

Supply voltage: 115 or 230 VAC - alum. enclosureUniversal power supply: 24 to 230Vac/dc - alum. enclosure

NPTNot a thread

3/4" Thread

Electrical ConnectionCable gland with 1/2"NPT conduit entry

1" ThreadOther - Specify

Electrical Connection

Polyacethal Delrin (Standard)

Insertion LengthL = 4 3/4" (120mm) - StandardSpecify length

CoatingHallar / TefzelNone

Cable

SpecificationsSupply voltage: 24 VDC - nylon - enclosure

Other - Specify

Neck/ temp up to356°F (180°C)None

Sitron-USA, Inc.PO Box 7000

New York, NY 10128Tel: (516) 935-8001 / Fax:(516) 935-6001

e-mail: info@sitron.comWebsite: www.sitron.com