SensoTech

LiquiSonic Ultrasonic analyzer for liquids Product description

SensoTech GmbH, Steinfeldstraße 3, D-39179 Magdeburg-Barleben Tel +49 39203 961300, Fax +49 39203 961309, Internet www.SensoTech.com

Measuring principle

The ultrasonic analyzer LiquiSonic 30 determines in-line the sound velocity and the concentration in liquids.

The ultrasonic principle is a continuous, contactless method which is independent of the transparency of the medium and shows a high reliability.

The sound velocity is related to the concentration respectively the density. If the distance between the ultrasonic transmitter and receiver is known, it is possible to measure the sound velocity via the determination of the propagation time and so to conclude the density.

A new signal processing guarantees an extremely high accuracy when measuring the sound velocity. In addition a highly precise temperature measuring, the improved ultrasonic sensor construction and the know-how, acquired during innumerable series of measuring and lots of applications, ensure outermost precise results.

LiquiSonic consists of one or up to four ultrasonic sensors and a controller (evaluation unit).

The ultrasonic sensor contains the virtual ultrasonic measuring. It is realized as a flange (sandwich) or immersion type sensor. The ultrasonic sensor also determines exactly the temperature of the liquid.

The controller is responsible for the concentration calculation and the communication with the user. An TFT-display and a for operator buttons allow a simple system configuration and the adaptation to various applications.

Range of application

• concentration measurement

• density measurement

• monitoring of polymerization, determination of the conversion ratio

• fast phase interface detection

• monitoring and control of crystallization, determination of supersaturation degree and metastable range

• control of neutralization processes of acids and lye’s under higher process temperatures and pressure

• process monitoring

• control of scrubbers, distillations and absorbers

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Product datasets

• Sound velocity measuring with a high absolute accuracy

• Determination of concentration with accuracies up to 0.05 % by weight

• Measuring is not influenced by conductivity and doesn’t depend on liquid transparency

• Application in open and pressurized tanks and vessels, in pipes or in by-pass lines

• No moving parts and gaskets

• Maintenance free

• Choice of up to 256 product calibration set-ups

• Automatic self validation

• User management

• TFT display with clear structured GUI

• Output of measuring value as current signal 4..20 mA and via RS-232-interface

• Sampling of up 32 properties in to 15,000 data records in the non volatile data memory

• Event logbook with documentation of calibration and system configuration

• Connection of several sensors to one controller possible

Controller with sensor 21003240

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General

measuring principle determination of sound velocity in the liquid as dimension for components' concentration

measuring range 100 to 10,000 ms-1

typical accuracy 0.05 ms-1

accuracy of 0.1 °C temperature measurement

communication data exchange with the PLC via current signal 4.. 20 mA, RS-232, fieldbus

sensor connection connection of ultrasonic sensors with controller via BUS-cable

Controller

controller

Variants LiquiSonic 30 is the standard device with all functions. Up to 4 sensors can be connected with one controller. Several functions, like trend presentation or the logbook make this device to an efficient analyzer.

LiquiSonic 20 is the low budget version with only basic functions.

LiquiSonic 40 calculates the concentrations of 3-components liquids. The controller uses the sound velocity and an external signal like the density or the conductivity.

LiquiSonic 50 has features for optimal application in crystallization and polymerization processes.

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LiquiSonic 20 30 40 50

art.-no. 21001201 21001301 21001401 21001500

number of sensors for one controller 1 4 2 4

3-component-calculation

application program crystallization application program polymerization display color color color color

housing metal metal metal metal

trend chart product datasets 16 256 256 256

product choice internal/ external automatic product choice

editing of product identifiers several operation languages data memory with 15,000 data lines event logbook (error logbook) event presentation user management optional optional optional optional

analogue output of concentration analogue output of temperature digital outputs 4 6 6 6

analogue inputs 1 4 2 1

interface RS232 SonicGraph optional optional optional Interface PROFIBUS, Devicenet optional optional optional optional

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Functions

date time

status line

trend view

product calibration

system menu

product selectionconcentrationof the liquid

temperature of the liquid

The main view shows the measuring values. A range exceeding is shown with a special symbol

The trend chart offers helpful information and allows optimal process monitoring.

The controller manages the calibration curves of up to 32 products. It is possible to select the products and calibration curves in a specific menu

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It is also possible to change the identifier of the product.

The calculation of the concentration can adjusted to achieve optimal process results.

The controller has a lot of parameters and helpful functions. The parameters are structured in a parameter tree.

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The device has an automatic self check. All error messages are shown in a message box and the errors are stored into an event-logbook.

The system security is very important. The controller has a comfortable user management. It is possible to define several user with different access right. This user management ensures that only specific users are able to calibrate the device.

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LiquiSonic 30 has the possibility to store important events into an event logbook. The logbook is readable by the interface and can be presented on the display.

This is a comfortable documentation for the user access and the handling. Who has when calibrate which product.

The values of several sensors are presented in the 2- or 4-sensor view.

LiquiSonic 40 allows the calculation and the display of 2 different concentrations in a 3-component-liquid.

LiquiSonic 50 offers several functions for optimal control of crystallization and polymerization processes. For crystallization application the display shows the supersaturation and the content of crystals.

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The sensor option SonicGraph allows the visualization of the original ultrasonic signal. This function is very helpful to optimize the measuring conditions.

The controller allows the operation in several languages.

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Common data Function Description

Display TFT 320 x 240 pixels

Operating touch keyboard, 4 keys

analogue outputs 4..20 mAmp, isolated LiquiSonic 30 / 40 / 50 4 x free programmable LiquiSonic 20 1 x Concentration, 1 x Temperature

digital outputs 6 electronic relays, 24 V 1 x „alarm “ 1 x „medium missing “ LiquiSonic 30 / 40 / 50 6 x free programmable LiquiSonic 20 4 x free programmable

analogue input 4..20 mA, isolated LiquiSonic 30 / 50 4 x for compensation LiquiSonic 20 1 x for compensation LiquiSonic 40 2 x additional physical value

product choice manual external parallel (only LiquiSonic 30) external (fieldbus, serial interface) automatic (only LiquiSonic 30)

interface RS-232 optional fieldbus PROFIBUS DP, MODBUS, DEVICENET

housing panel housing, sector: 243 (w) x 123 (h) mm mounting depth: 160 mm material: aluminium, stainless steel degree of protection: front IP 65 weight: approx. 3.5 kg

power supply 110 - 230 VAC ±10%, 50, 60 Hz optional 24 VDC

power consumption 35 W

range of ambienttemperature

0 to 40 °C

maximum cable length 1000 m

Contact Cage clamp

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SensoTech

280

138

14516

controller sizes

Controller Art-No.

Controller 20 21001201

Controller 30 21001301

Controller 40 21001401

Controller 50 21001501

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Ultrasonic sensors

Specification Function Description

range of medium temperature

-5 to 120 °C optional to 200 °C

range of ambient temperature

-10 to 40 °C

degree of protection IP 65

supply 24 VDC ±20% (from controller)

power input 6 W

material Stainless steel 1.4571 [ ANSI 316 (Ti)] optional Hastelloy, Monel, Inconel, tantalium and titanium, PFA

Pressure Standard: PN16, optional: PN40, PN64, PN100, PN250, PN300

Types Typ Art-No. Flange Sensor-∅ Flange-∅ Imm.length

Immersion sensor40-14 DIN50 21003210 flange DN 50 DIN 2527 40 165 92, 150, 250, 500, 1000, 2000

Immersion sensor 40-40 Varivent 65 21003221 Tuchenhagen Varivent 40 84 61

Immersion sensor 40-40 APV 65 21003222 APV- flange 40 100 61

Immersion sensor 40-14 Tri-Clamp 50

21003263 Tri-clamp flange DIN 32676 40 64 61

Immersion sensor 40-40 Twin 50 21003252 flange DN 50 DIN 2527 40 165 150

Immersion sensor Ex 50 EEx de IIC T4-T6

21003240 flange DN 50 DIN 2527 40 165 92, 150, 250, 500, 1000, 2000

Immersion sensor 40-14 GF 50 21003262 thread G 2 ¼“ 40 65 112

Immersion sensor 40-14 without flange

21003261 without flange 40 - 260

Immersion sensor 40-14 reactor without flange

21003231 without flange with connector ∅ 25mm IP68

40 - 500

Immersion sensor 24-24 21003286 24 - 150

Immersion sensor 24-24 Ingold-thread

21003287 Ingold thread 25 24 - 150

Immersion sensor 24-24 TriClamp 21003288 TriClamp 25 24 50 55

Immersion sensor 40-40 Pharma 21003290 TriClamp 50 40 64 92

Typ art-no. DN inside ∅

outside ∅

pitch circle ∅

pitch ∅ high length

A B C D E Flange sensor 80 PFA 21002282 80 72 140 160 18 205 45

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Immersion sensor 40-40 DIN50 L240 (21003260)

Standard sensor for applications in pipes or vessels.

Ø 1

22

165

488

238

Ø 14

16

Ø 40

68

240

Ø165

DIN-Flansch DN50

40

Lochkreis Ø125

Immersion sensor 40-14 GF 50 (21003262)

Ø 1

22

165

354

238

118

16

Ø 40

165Ø 14

68

G 2 "1 4

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Immersion sensor 40-40 VARIVENT 50 (21003220)

Sensor for application in food and beverage industry.

Immersion sensor Ex 50 (21003240) imm. length 92 mm

Ø 1

22

165

300

238

92

16

Ø 40

Ø165

40

Lochkreis Ø125DIN-Flansch DN50

Standard sensor for applications in pipes or vessels in hazardous areas.

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Immersion sensor 40-14 without flange (21003231) with connector box

Immersion sensor 24-24 TriClamp (21003288)

Ø 24

55

Sensor with small diameter for application in vessels with small aperture.

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Immersion sensor 40-40 Pharma (21003290)

Sensor with electro-polished finish for application in the pharmaceutical industry.

Immersion sensor 40-40 Twin (21003252)

Flange sensor 80 PFA (21002282)

Corrosion resistant sensor for applications in pipes.

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Installation recommendations The installation of the sensors is easy and requires no specific attention. No specific inlet and outlet designs as well as specific process fittings are required. For detailed information please ask for general installation recommendations (http://www.sensotech.de/download/LSM109_01.pdf).

For higher ambient temperatures the sensor can be adapted with a remote electronic enclosure or with a separate heat exchanger from our standard accessories .

Wiring The connection between sensor and controller supplies the sensor and realizes the data exchange (digital bus). The cable consists of the power supply cables and a twisted pair for the bus.

The required dimension depends on the number of connected sensors and the overall cable length:

cable-length [m]

1 sensor 2 sensors 4 sensors

100 2 x 0,25 mm2 2 x 0,50 mm2 2 x 0,75 mm2

200 2 x 0,50 mm2 2 x 0,75 mm2 2 x 1,50 mm2

400 2 x 0,75 mm2 2 x 1,00 mm2 2 x 2,50 mm2

The bus should specified according the requirements of a RS485. The following design is recommended:

2 x (2 x 0,25 mm2 Cu twisted) shielded

Changing lengths of the cable during installation e.g. by cutting is not critical. .

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Connection setup to sensor controller

One sensor with one Controller

Controller

2

7

6

5

4

Sensor 1

Termination resistor

PE

10 VDC

C_SCH

C_GND

C_L

C_H

24 VDC

C_GND

C_H

C_L

24 VDC

0 VDC

C_SCH

27

25

26

30

29

28

Several sensors with one controller The connection for several sensors is shown as follows:

Controller

22

77

66

55

44

Sensor 1Sensor 2 PEPE

11

27

25

26

30

29

28

Connection structure

Sensor 1 Sensor 2 Sensor 3 Sensor 4

CAN-Bus max. 1000 m

Line connection

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Communication software

A software package is offered which enables the configuration and communication with the LiquiSonic-analyzers from a personal computer.

SonicWork The software SonicWork is a PC based software with following functions:

• down loading of product product datasets

• reading of logbook data

• on-line reading with a PC and trend chart

• device configuration

The program works with Windows 98 2000 and Windows NT, XP

SonicWork, reading of measuring values SonicWork, trend chart

SonicWork allows the remote control of the LiquiSonic analyzer by intranet, internet or modem connection.

A free of charge version of SonicWork LE may be downloaded under www.SensoTech.com

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Further information SensoTech GmbH Steinfeldstraße 3 D 39179 Magdeburg-Barleben

Phone +49 39203 961300 Fax +49 39203 961309 E-Mail Info@SensoTech.com Internet: www.SensoTech.com

Licenses, trademarks and improvements

SensoTech, LiquiSonic, LiquiDens and SonicWork are trademarks of the SensoTech GmbH. All licenses and trademarks are property of their respective owners.

SensoTech reserves the right to make improvements in the products described in this paper at any time without prior notice. Further, SensoTech reserves the right to revise this paper and to make changes in its content without obligation to notify any person or organization of such revision or change.

10/2006 LSM002_01_31.doc

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