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Introducing INW Sensor Technology. Sensor History at INW Analog Pressure Sensors 1985 Analog pH & ISE Sensors 1995 Smart Pressure Sensors 2002 Smart pH.

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Presentation on theme: "Introducing INW Sensor Technology. Sensor History at INW Analog Pressure Sensors 1985 Analog pH & ISE Sensors 1995 Smart Pressure Sensors 2002 Smart pH."— Presentation transcript:

1 Introducing INW Sensor Technology

2 Sensor History at INW Analog Pressure Sensors 1985 Analog pH & ISE Sensors 1995 Smart Pressure Sensors 2002 Smart pH & ISE Sensors 2006 PT12 Pressure Sensors 2008 Smart Conductivity Sensors 2006 INW has been making sensors since 1985

3 What we will cover Overview Overview – Analog sensors – Modbus ® Smart Sensors – SDI-12 Sensors Specific Sensor Details Specific Sensor Details Real Time Panel Meters Real Time Panel Meters Modbus is a registered trademark of Schneider Electric.

4 Analog Sensors

5 Typically Need External Power Supplies

6 Analog Sensors Connect to Dataloggers to Collect Data

7 Smart Sensors

8 – Great for stand alone data collection and portable installations – User-replaceable, AA batteries – Operate for up to a year without replacing batteries* * Depending on sensor and specific application. Smart Sensors Typically run on internal power

9 * Depending on sensor and specific application. Smart Sensors Auxiliary power available for long term or data intensive applications – Solar – 12 Volt Battery – Generator – Line Power

10 Smart Sensors Interface with the digital world – Communicate via computers – Transmit data over radios and cell modems – Data accessible from the Internet

11 SDI-12 Sensors

12 – Return readings in engineering units – Do not record internally – Interface with dataloggers – Low power – Used widely in environmental industry SDI-12 Sensors Intelligent Sensors

13 What we will cover Overview Overview – Analog sensors – Smart Sensors – SDI-12 Sensors Specific Sensor Details Specific Sensor Details – PT2X Pressure Sensor – TempHion pH / ISE / Redox Sensor – CT2X Conductivity / Pressure Sensor – PT12 Pressure Sensor Software for INW Smart Sensors Software for INW Smart Sensors Real Time Panel Meters Real Time Panel Meters

14 PT2X Smart Pressure Sensors

15 Pressure & Temperature Pressure & Temperature Absolute, gauge, or sealed gauge Absolute, gauge, or sealed gauge Thermally compensated Thermally compensated Low power – two internal AA batteries Low power – two internal AA batteries Up to 520,000 records Up to 520,000 records Small diameter – 0.75” Small diameter – 0.75” PT2X Smart Sensor & Datalogger

16 316 stainless or titanium 316 stainless or titanium Viton ®, Delrin ® and Teflon ® Viton ®, Delrin ® and Teflon ® Variety of pressure ranges Variety of pressure ranges Networks with all INW Smart Sensors Networks with all INW Smart Sensors Compatible with WaveData ® wireless data collection systems Compatible with WaveData ® wireless data collection systems PT2X Smart Sensor & Datalogger Viton, Delrin, and Teflon are registered trademarks of DuPont Company.

17 Three communication modes Three communication modes – Modbus ® via Aqua4Plus or Aqua4Push Software – Modbus ® via external data logger or meter – SDI-12 via external data logger or meter PT2X Smart Sensor & Datalogger Modbus is a registered trademark of Schneider Electric.

18 Cutaway View of PT2X End cone Smart Sensor circuit board Top-cap/cable harness Inlets 2 AA batteriesCable Pressure Element

19 To determine depth, must subtract atmospheric pressure To determine depth, must subtract atmospheric pressure. Absolute Sensors Have a diaphragm that measures absolute pressure. Pressure of AtmospherePLUS Pressure of fluid above the diaphragm Pressure Measurement Theory

20 Resulting gauge pressure reflects only depth Vent tube in cable Vent tube in cable Applies atmospheric pressure to one side of diaphragm Applies atmospheric pressure to one side of diaphragm No need for additional barometric sensor No need for additional barometric sensor No need to compensate data for atmospheric pressure No need to compensate data for atmospheric pressure Gauge Sensors Pressure Measurement Theory

21 PT2X Smart Sensor & Datalogger Aqua4Plus Aqua4Plus – General control – Real time monitoring – Recording data Aqua4Push Aqua4Push – Gather data from various sites and upload to FTP site Powerful software

22 TempHion Smart pH/ISE/Redox Sensors

23 pH / ISE / Redox & Temperature pH / ISE / Redox & Temperature Thermally compensated Thermally compensated Low power – two internal AA batteries Low power – two internal AA batteries Over 65,000 records Over 65,000 records Small diameter – 0.75” Small diameter – 0.75” Patented reference electrode Patented reference electrode TempHion Smart Sensor & Datalogger

24 Solution ground for excellent noise protection Solution ground for excellent noise protection 316 stainless steel 316 stainless steel Viton ®, Delrin ® and Teflon ® Viton ®, Delrin ® and Teflon ® Networks with all INW Smart Sensors Networks with all INW Smart Sensors Compatible with WaveData ® wireless data collection systems Compatible with WaveData ® wireless data collection systems TempHion Smart Sensor & Datalogger

25 Cutaway View of TempHion Solution ground and plated electrode (on other side) Smart Sensor circuit board Top-cap/cable harness Patented reference electrode (inside) Reference solution reservoir 2 AA batteriesCable Optional pH/Redox module Embedded Thermistor

26 TempHion Measurement Theory The TempHion works on the principle of direct potentiometry—the same principle that governs any other pH or ISE electrode. Two electrodes Sensing electrode (button) Reference electrode (in reservoir)

27 TempHion Measurement Theory Reference electrode immersed in filling solution of known chloride content. Chloride content stays constant as long as solution is not contaminated or diluted. Filling solution must be in contact with solution being tested to complete the electrical circuit. Liquid junction port

28 Measurement Theory “Cell potential” is measured across the two electrodes. Potential of sensing electrode varies logarithmically with the concentration of the ion it senses. Aqua4Plus uses this reading and applies calibration and temperature compensation to arrive at highly accurate readings. Sensing electrode Reference electrode

29 TempHion Smart Sensor & Datalogger Aqua4Plus Aqua4Plus – General control – Real time monitoring – Recording data Aqua4Push Aqua4Push – Gather data from various sites and upload to FTP site Powerful software

30 CT2X Smart Conductivity/Pressure Sensors

31 CT2X Smart Sensor & Datalogger Conductivity & Temperature with Pressure optional Conductivity & Temperature with Pressure optional Low power – two internal AA batteries Low power – two internal AA batteries Over 349,000 records Over 349,000 records Linear and nLFn temperature compensation Linear and nLFn temperature compensation Small diameter – 0.75” Small diameter – 0.75” 316 stainless or titanium 316 stainless or titanium Viton ®, Delrin ® and Teflon ® Viton ®, Delrin ® and Teflon ® Viton, Delrin, and Teflon are registered trademarks of DuPont Company.

32 CT2X Smart Sensor & Datalogger 10 μS/cm to 100,000 μS/cm 10 μS/cm to 100,000 μS/cm – Up to 300,000 uS/cm on special request Variety of pressure ranges Variety of pressure ranges Absolute, gauge, or sealed gauge Absolute, gauge, or sealed gauge Networks with all INW Smart Sensors Networks with all INW Smart Sensors Compatible with WaveData ® wireless data collection systems Compatible with WaveData ® wireless data collection systems

33 Three communication modes Three communication modes – Modbus ® via Aqua4Plus or Aqua4Push Software – Modbus ® via external data logger or meter – SDI-12 via external data logger or meter CT2X Smart Sensor & Datalogger Modbus is a registered trademark of Schneider Electric.

34 Cutaway View of CT2X Optional pressure module Conductivity probe Circuit board 2 - AA Batteries Cable harness

35 CT2X Measurement Theory Conductivity is measured by applying a voltage to two to four plates of an electrode and measuring the current that flows between them. Conductivity is measured by applying a voltage to two to four plates of an electrode and measuring the current that flows between them. How is Conductivity Measured?

36 CT2X Measurement Theory Epoxy/Graphite probe Epoxy/Graphite probe – Durable – Easy to clean with cotton swap or small brush 4-pole electrode 4-pole electrode – Reduces fringe field interference – Lessens errors caused by polarization effects – Lowers contact resistance problems – Allows one electrode to work over wide range of conductivity INW Technology

37 CT2X Smart Sensor & Datalogger Aqua4Plus Aqua4Plus – General control – Real time monitoring – Recording data Aqua4Push Aqua4Push – Gather data from various sites and upload to FTP site Powerful software

38 INW’s PT12 Pressure / Temperature Sensors

39 Pressure & Temperature Pressure & Temperature Variety of pressure ranges Variety of pressure ranges Absolute, gauge, or sealed gauge Absolute, gauge, or sealed gauge Externally powered Externally powered Thermally compensated Thermally compensated Short length – fits well in tight spaces Short length – fits well in tight spaces Small diameter – 0.75” Small diameter – 0.75” PT12 Pressure/Temperature Sensor

40 316 stainless or titanium 316 stainless or titanium Viton ®, Delrin ® and Teflon ® Viton ®, Delrin ® and Teflon ® Communicates with Communicates with – Dataloggers – Meters – Wide variety of environmental monitoring systems PT12 Pressure/Temperature Sensor Viton, Delrin, and Teflon are registered trademarks of DuPont Company.

41 Two communication modes Two communication modes – Modbus ® via external data logger or meter – SDI-12 via external data logger or meter PT12 Pressure/Temperature Sensor Modbus is a registered trademark of Schneider Electric.

42 Other INW Smart Sensors

43 GDL Datalogger GDL Datalogger – Allows you to record and view data from various other sensors using the Aqua4Plus format – Two temperature channels – Two 4-20 mA channels – Three voltage channels – Four dissolved oxygen channels – Custom digital channels Other INW Smart Sensors

44 T8 and T16 Temperature Strings T8 and T16 Temperature Strings – Up to 16 temperature channels – Variety of thermistors available for different applications – Record over 25,000 records in non- volatile memory – Communicate and control via Aqua4Plus software Other INW Smart Sensors

45 T32 1-Wire Temperature Strings T32 1-Wire Temperature Strings – Up to 32 temperature channels – 1-Wire technology – Record over 61,000 records in non- volatile memory – Communicate and control via Aqua4Plus software Other INW Smart Sensors

46 What we will cover Overview Overview – Analog sensors – Smart Sensors – SDI-12 Sensors Specific Sensor Details Specific Sensor Details – PT2X Pressure Sensor – TempHion pH / ISE / Redox Sensor – CT2X Conductivity / Pressure Sensor – SDI-12 Pressure Sensor Software for INW Smart Sensors Software for INW Smart Sensors Real Time Panel Meters Real Time Panel Meters

47 Software for INW Smart Sensors

48 Aqua4Plus Control Software Basic control software

49 Aqua4Plus Simple or complex test sequences Simple or complex test sequences Save sequences for future use Save sequences for future use Delayed start Delayed start Programmable test sessions

50 Aqua4Plus View data in real time

51 Aqua4Plus View data … …as tables …or graphs

52 Aqua4Plus Export to spreadsheets or databases

53 Aqua4Push Automatic Polling & Data Upload Utility

54 Aqua4Push Scheduled data collection from multiple sensors at multiple sites Scheduled data collection from multiple sensors at multiple sites Automatic data file upload to designated Internet site (FTP) Automatic data file upload to designated Internet site (FTP)

55 Aqua4Push Single data file (.csv) for each location Single data file (.csv) for each location Easy import into spreadsheets and databases Easy import into spreadsheets and databases

56 What we will cover Overview Overview – Analog sensors – Smart Sensors – SDI-12 Sensors Specific Sensor Details Specific Sensor Details – PT2X Pressure Sensor – TempHion pH / ISE / Redox Sensor – CT2X Conductivity / Pressure Sensor – SDI-12 Pressure Sensor Software for INW Smart Sensors Software for INW Smart Sensors Real Time Panel Meters Real Time Panel Meters

57 Real Time Panel Meters

58 Real Time Panel Meter Modbus ® input Modbus ® input PT2X Pressure (Level) PT2X Pressure (Level) PT12 Pressure (Level) PT12 Pressure (Level) CT2X Conductivity & Pressure CT2X Conductivity & Pressure Modbus is a registered trademark of Schneider Electric.

59 Real Time Panel Meter Optional 4-20 mA output available Optional 4-20 mA output available On/Off relay control – great for pump control! On/Off relay control – great for pump control! NEMA4 or Pelican case enclosure NEMA4 or Pelican case enclosure Affordable Affordable

60 Summary

61 What we covered Overview Overview – Analog sensors – Smart Sensors – SDI-12 Sensors Specific Sensor Details Specific Sensor Details – PT2X Pressure Sensor – TempHion pH / ISE / Redox Sensor – CT2X Conductivity / Pressure Sensor – SDI-12 Pressure Sensor Software for INW Smart Sensors Software for INW Smart Sensors Real Time Panel Meters Real Time Panel Meters

62 Questions?

63 Thank You! Instrumentation Northwest nd Ave NE, Kirkland WA, USA


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