YSI IQ SensorNetYSI IQ SensorNetContinuous Process Monitoring

& Control Instrumentation

July 17th, 2012Presented by Laura St. Pierre

• Overview of IQ SensorNet

• Available sensors

• Key monitoring locations

2

IQ SensorNet Systems

182 Controller Sytsem 2020 XT Controller System182 Controller Sytsem

• 1 - 4 sensors

2020 XT Controller System

• Sensor network

• 1 - 20 sensors

3

4 Basic Components of a 2020 XT System

Terminal / Modules: Cables SensorsController

Easy to customize and expand

4

Easy to customize and expandStandard dimensions, ready to mix and match

2020 XT –Backup Controller and TerminalBackup Controller and Terminal

1 Controller / system, but additional 2020 terminals pro ide back p controlprovide backup control

• Install 2020 Terminal Controller anywhere in the network

• System redundancy with additional terminal as backup ll

5

controller

Settings

Calibration

OK-EnterOptions

Escape to measurement Up/Down selector

(followed by “OK”)

Options

Escape –One level back

(followed by OK )

Intuitive operation for easy handling…• Menu-driven interface

• Easy to use

6

y

IQ Networking

Distributed mountingStack mounting – max. 3 modules

Contact Plate:

Power, communication

Smart installation…Stack mounting – no cables

7

Modules

Power supply Wide range of power supplies:100 – 240VAC24VAC 24VDC24VDC

Analog outputs mA outputsRelays

Communication Interfaces

MODBUSRS232 communication to PC via sw (2020 only)only)Ethernet (2020 only)Includes barometric pressure compensation for DO for 2020

Magnetic valve Valve module for automatically controlled air cleaningcleaning

Blue Tooth communication

Wireless communication for the IQ SensorNetsystem. Max. 100 meters

8

Bluetooth – Wireless Communication

9

2020 XT Module with Ethernet and USB

LAN USB

• Can be used inside or outdoors

• Two separate ports allow i

• Data transfer, updates

• Electronic key

you to continue to communicate via Ethernet while updating the system via USB.

Ethernet Communication Technology:

• Remote-Control with PC Terminal Software via UMTS-Router

• View measuring data with your Smart Phone via Web Browser• View measuring data with your Smart-Phone via Web-Browser

• Direct communication with PLC`s via Ethernet/IP protocol

10

USB-Interface

• Data transfer

• System Update

• Electronic-key-functionElectronic key function

11

Remote Control via USB

USB-RS232 adapter for pmodem

USB-LAN adapter for LAN connection (WLAN)

Full access to network from a distance for data transfer and adjusting settings

12

Remote Control via GSM modem

Mobile telephone

GSM modem

GSM modem

Power Power Power supply

Power supply

Stay in touch with your system no matter where you areStay in touch with your system no matter where you are locatedAlarms & measurements are sent to your mobile phone

13

Remote Control via LAN

Software

via USB-LAN

Software Terminal

MIQ/T2020 PC

Stay connected with your system…converter

14

MODULESMODULES

Analog Inputs Connect up to two 3rd party sensors with mA output signals

Extension Junction Boxes to add additional sensors

Controller module

Controller module allows 2020 to act as a display-only and back up controller. Includes Barometric pressure compensation, USB and moduleEthernet functionality.

15

IQ CablesSensor connection cable One design fits all…

• One type of connection cable for all sensors

• One type of module connection cable

• Fully protected against EMC

• 1 year warranty, Extremely robust

Module connection cable

1 year warranty, Extremely robust

• Integrated lightning protection

• Network cable provides power and communicationcommunication

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Typical Modbus Installation

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IQ SensorNet Solution

18

IQ SensorNet Network Solution

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Cable Connections

Red

Green

Black (shield)

Easy and safe…Low power electrical installation (24 V within IQ)

20

Warranty

3 Yearsfor controllers and modules

2 Yearsfor sensors

21

IQ Sensors

Optically:- NitrateNitrate

- COD, BOD…

C dConductivityDissolved

Oxygen

pH / ORPTurbidity / Susp Solids

ISE:

- Ammonium - Nitrate

yg

Turbidity / Susp. Solids Nitrate

22

FDO Optical DO Sensor

Optical DO sensor utilizingSuper-stableG li ht

Meets EPA Green source light:•No flow required•Soft excitation light•Minimum aging of sensor cap

Approval!!

•No bleaching affect on sensor cap•2 year warranty on sensor and

membrane cap•Highly accurate, +/- 0.1 mg/L•No regular sensor maintenance

required

Intelligent Sensor Capg p•Factory calibrated• Cal data stored on memory chip• Automatic data transfer•No calibration required!•No calibration required!

Traditional, Electrochemical DO Sensor

Advantages• Patented 3 electrode system enables high signal stability

• Integrated self-diagnosis system (SensCheck):

=> high measuring accuracy

• 3 different sensors available: TriOxmatic® 700 IQ: 0 – 60 mg/l O2; T90: 180 s

TriOxmatic® 701 IQ: 0 – 20 mg/l O2; T90: 30 s TriOxmatic® 702 IQ: 0 – 2 mg/l O2; T90: 30 s

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TSS and Turbidity – ViSolid and VisoTurb

Optical Total Suspended Solids (TSS) and Turbidity Probes

ViSolid:

• Factory calibrated for 2 types of sludge:

Activated sludge 3 - 7 g/Lg g

Primary sludge 30 - 60 g/L

• Calibration: 1 – 8 pt

• Correction factor: x 0 5 2

ViSolid® 700 IQ

• Correction factor: x 0.5 – 2

VisoTurb:

• Factory calibrated

VisoTurb® 700 IQ

• Calibration free

• Offset (+/- NTU)

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VisoTurb 700 IQ

UltraCleanTM – Ultra Sonic Cleaning

• Continuous cleaning system without mechanically moving parts

• Very smooth sensor surface (Sapphire)

• No smearing or scratching effect

•No regular service, no wear and tear, no replacement parts needed

UltraCleanTM – Ultra Sonic Cleaning

without cleaning system (30 days) with cleaning system (30 days)

A clean sensor ensures accurate measurements!A clean sensor ensures accurate measurements!A clean sensor ensures accurate measurements! A clean sensor ensures accurate measurements!

MMaintenanceaintenance--free sensor lowers free sensor lowers ownership and ownership and operational costs.operational costs.

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UV-VIS Spectrophotometer Sensor

Measures broad spectrum:

From ultraviolet (UV) to visible (VIS) light

200 nm200 nm 720 nm720 nm

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UV-VIS Scans 256 Wave Lengths

256 wave lengths compared to single wave lengthto single wave length measurement.

• Better correlation• Better correlation

• Better turbidity correction

• Better compensation for a• Better compensation for a changing wastewater process

SAC Measurement at 254 nm

More information, more reliable data

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Spectral Absorbance in the WWTP Process

Activated Sludge EffluentInfluent

orb

ance

22

orb

ance

sorb

ance

abs

wavelengthwavelength

ff f

abs

wavelength

abs

wavelength

The Spectral absorbance differs in each stage of the wastewater process, from application to application, and from site to site.

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Measuring Principle

Algorithms based on correlations with reference measurements are stored in the sensor.

Calculating concentration:

measurements are stored in the sensor.

1. Recording spectral absorbance.

2. Calculation of concentrations according to2. Calculation of concentrations according to algorithms.

COD, TOC, BOD, COD, TOC, BOD, NONO33--N, TSSN, TSS mg/lmg/lalgorithmsalgorithms

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Advanced Optic DesignIdentical measuring and reference channelIdentical

DetectorDetector DetectorDetector

Optical components Light intensity Amount of lightOptical path lengths nn

el

nel

nel

anne

l

nel

nel

Optical path lengths

mea

s. c

han

ref.

ref.--

chan

nch

ann

Optical components age the

mea

s. c

ha

ref.

ref.--

chan

chan

Optical components age the same way• High accuracy• High repeatability

Lamp

g p y• High long-term stability• Automatic drift compensation, noregular zeroing calibration free Conventional

Optic

Lamp

YSI OpticOptic

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Advanced Measurement Principle

Sensor auto-adjusts amount of flashes to the sample (before every

)

DetectorDetector

measurement)

Step 1: Light flashes x-times before every measurement

Step 2: Feedback from detector to lamp

LampLampp

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UV-VIS Calibration

1 t lib ti ( dj t t ith f l )• 1-pt calibration (adjustment with reference values)

• 2-pt calibration (adjustment with reference values)

Z i i• Zeroing in pure water

• Sensor Check with standard solutions

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UltraClean System

Maintenance Free!l Cl S UltraClean System: Integrated, continuous

cleaning s stemcleaning system No chemicals, no wear

or spare parts (wipers)or spare parts (wipers) Very smooth / scratch

resistant windowresistant window (sapphire)

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UV-VIS Sensors per Application

Sensors for municipal wastewater: Influent, Effluent, and Mixed Liquor

1 mm 1 mm 5 mm5 mm

p , , q

ParametersParameters (mg/L)(mg/L) (mg/L)(mg/L)

BODBOD 0 50 5 –– 40004000 0 10 1 –– 800800BODBOD 0.5 0.5 –– 40004000 0.1 0.1 –– 800800

TOCTOC 5 5 –– 25002500 1 1 –– 500500

NONO 0 10 1 –– 100100 0 010 01 –– 2525NONOxx 0.1 0.1 –– 100100 0.01 0.01 –– 2525

TSSTSS 0 0 –– 300030000 0 -- 70007000

0 0 –– 9009000 0 –– 25002500

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Comparison Data – NO3-N

Effluent measurements

18

Lab NO3-NUVVIS Sensor NO3-N

14

16

18

8

10

12

O3-

N (m

g/l)

Accuracy Cuvette Test +/- 0,5 mg/lAccurate Cuvette test: +/- 0.5 mg/l

4

6

8NO

20 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56

Number of measurement

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Comparison Data - COD

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Lab CODtotalUVVIS Sensor CODtotal

Effluent measurements

35

40

25

30

CO

D (m

g/l)

15

20C

Accuracy Cuvette-Test +/- 1,5 mg/lAccurate Cuvette test: +/- 1.5 mg/l

100 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56

Number of Measurement

38

IFL – Interface level sensor

Ultrasonic measurement of sludge level via echoof sludge level via echo time of travel

• Factory calibrated• Factory calibrated• Set immersion and tank depth

• Accuracy: +/- 0.3 ft

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Signal Processing, Echo profile

Smart signal processing for

raw data filter, alignment, low passing result

g p greliable sludge level measurements

Smart filter removes readings from:

• Passing debris, layer clouds

f ll f l d l d• Rising & falling of sludge layer due to passing rakes

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Non contact wiper

Non contact wiper

• Triple sealing

• High-tech materials

• Operates without maintenance

• No influence of bubbles

• Removal of algae layers

(smaller layers of grease or algae do not interfere)

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VARiON® Plus 700 IQ, AmmoLyt ® Plus 700 IQ, NitraLyt® Plus 700 IQ ISE MeasurementNitraLyt Plus 700 IQ – ISE Measurement

M t i i lMeasurement principle:

• Measuring, reference and compensation electrode

NitraLyt® Plus 700 IQ

compensation electrode.

• Nitrate requires Chloride compensation for highest

l

compensation for highest accuracy.

• Ammonium requires VARiON® Plus 700 IQ

AmmoLyt® Plus 700 IQ

qPotassium compensation for highest accuracy

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Electrode Replacement

Individual electrode replacementreplacement• Not often Lifetime > 18 months

• Recognized automaticallyg y

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Comparison VARiON / Lab Accurate Measurements

VARiONPlus values

Lab values

Comparison VARiON / Lab Analysis

allowed tolerance +/- 0.5 mg/l

(mg

/l)

NH

4-N

(

number of measurements

44

TetraCon® – Conductivity Sensor

Advantages:

•4-electrode design Polarization effects are eliminatedeliminated

•Large measurement range:

•10 μS/cm to 500 mS/cm10 μS/cm to 500 mS/cm

• Minimal maintenance, rugged, suitable for harsh applications

• Integrated NTC for automatic temperature compensation

• Flat surface reduces fouling => easily cleanedFlat surface reduces fouling > easily cleaned

Problems caused by dirt/fouling are mostly avoided

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SensoLyt® 700 IQ – pH/ORP

Advantages

• Integrated preamplifier and digital signal processing

• Internal Sensor Check

• Automatic temperature compensation (NTC; 0°C …+60 °C )

• Variety of electrodes for different applications

• Very robust, reliable and easy to handle

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Sensor Location I

Inlet

pH

TSS

BODGrit Removal

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Sensor Location II

Mechanical treatment

Sludge blanket levelSludge blanket level: : sludge sludge managementmanagement

•• Reduce Reduce pumping costspumping costs

•• Optimize Optimize sludge densitysludge density Primary Settling

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Sensor Location III

Biological treatment

DO: DO: Basic or Basic or backup backup aeration control aeration control increased efficiencyincreased efficiency

NHNH N:N: AdvancedAdvanced aeration controlaeration control increased efficiencyincreased efficiencyNHNH44--N: N: Advanced Advanced aeration control aeration control increased efficiencyincreased efficiency

NONO33--N: N: CCorgorg dosing, sludge recirculation dosing, sludge recirculation

TSS:TSS: SludgeSludge recirculationrecirculation,, sludgesludge stabilizationstabilization

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TSS: TSS: SludgeSludge recirculationrecirculation, , sludgesludge stabilizationstabilization

mechanical treatment Biological treatment

Oxidation DitchD it ifi ti

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Denitrification

Sensor Location IV

Interface level:Interface level: Sludge Management

• Reducing pumping costs

• Optimal sludge density

• Prevent washout conditions

51 Final Settling Tank

Sensor Location V

TSS: Effluent monitoring

DO H P it tiDO, pH: Permit reporting

BOD: Effluent monitoring

NH4 N NO3 N: Effluent monitoring

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NH4-N, NO3-N: Effluent monitoring

Biological treatment Mechanical treatment

Chemical treatment

WWTP Goal: Comply with permit while reducing the organic and inorganic load/compounds

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Questions when planning a monitoring and control systemand control system.

•What do I want to measure?•Where do I want the sensor located?•What type of communication signals and sensor outputs do I need?do I need?

6 x mA signal

OO22 TurbidityTurbiditypHpH22

TSSTSS

NHNH44--NN

TurbidityTurbidity

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Example of IQ SensorNet System

MIQ/JB MIQ/JB

MIQ/TC 2020 XT-H3-C6470017

SensoLyt700IQ109170

VisoTurb700IQ600010

480008 480008

MIQ/JB480008

109170

FDO 700 IQ201650

ViSolid700IQ600012

AmmoLyt Plus 700 IQ107070

l d• pH: Inlet monitoring or pH adjustment

• DO/TSS/NH4-N: Aeration controlling/optimizing

• TSS: Effluent monitoring/reporting

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TSS: Effluent monitoring/reporting

Why YSI

• YSI primarily focuses on tools for the water professional

• YSI handheld instruments are trusted for their field worthiness and durability

• YSI’s market position in BOD testing and multiparameter field sampling is #1

• YSI products are backed with expert Technical Support and Service

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Thank you for your attention!

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