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IAQ Instruments

IAQ Instruments. “Good” and “Better” Offering. Plan – IAQ Products. DETAILED Training of Products!!! 1.0 Technology 2.0 Measurements, Calculations, Specifications 3.0 Operation 4.0 Features and Benefits 5.0 Calibration 6.0 Applications 7.0 Pricing and Discounts

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IAQ Instruments

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  1. IAQ Instruments “Good” and “Better” Offering

  2. Plan – IAQ Products • DETAILED Training of Products!!! • 1.0 Technology • 2.0 Measurements, Calculations, Specifications • 3.0 Operation • 4.0 Features and Benefits • 5.0 Calibration • 6.0 Applications • 7.0 Pricing and Discounts • 8.0 Competition and Positioning

  3. 1.0 Technology • IAQ Products • Technology • Measurements • CO2 • Temp • Humidity • CO

  4. CO2 Measurement

  5. CO2 Measurement • Non-Dispersive Infrared (NDIR) • CO2 molecules absorb light at 4.26 µm • Light source on one end of sensor • IR detector on the other end • Filter eliminates all light except 4.26 µm • Intensity of light reaching detector is related to CO2 concentration • Flashing light source

  6. CO2 Measurement • TSI/Airflow instruments measurement uses a dual detector • One at 4.26 µm for CO2 • On at a wavelength where no known gas absorbs light • The actual measurement looks at the difference • This helps with stability as the light source degrades over time

  7. Temperature • Separate sensor from the temp compensation sensor • Why? Because the heat coming off the velocity sensor impacted the temperature reading • Platinum RTD Platinum R T

  8. Temperature • Where is it located? • Holes allow in air • Response time somewhat slow • Probe structural issue Temperature sensor

  9. Thermocouples • On Multi-Function instrument, there are 2 slots for Type K thermocouples • Available from TSI • Air probe • Surface probe • Any Type K thermocouple will work • Much faster response!

  10. Thermocouples • How they work • Slightly dissimilar materials are connected to together • As temp changes, the voltage changes • Voltage is related to temp and is measured in device Graphic from www.picotech.com

  11. Thermocouples • Standard plugs • Fast response time – small thermal mass • Some are inside enclosures • Type K (Chromel / Alumel)has a range of -200 °C to +1200 °C range • Good for many applications

  12. Humidity Measurement • Capacitive humidity sensor • As humidity changes, it changes the capacity of the sensor • This is monitored by electronics • Raw signal is processed in instrument to get a reading of humidity • TSI applies humidity sensors in products – good understanding of calibration

  13. Humidity Measurement • Where is the humidity sensor located? Humidity Sensor

  14. CO Measurement • Electro-Chemical sensor • Substrate on a sensor • Changes electrical properties when CO is in contact • Degrades over time • With TSI, CO sensor is field replaceable

  15. CO Measurement • Location CO Sensor

  16. Technology and Measurements • Value added by TSI • Application of sensors • Adaptation for other conditions • Temperature (i.e. compensation in velocity) • Humidity • CO2 and CO • Calibration • Calculations • Data management

  17. 2.0 Measurements • Measurements and calculations • We’ll go through each product in the range

  18. Model 7515 IAQ-Calc • Integrated probe • CO2 only - - No data logging • Range: 0-5000 ppm • Accuracy: ± 3% of reading or ± 50 ppm, whichever is greater • Resolution: 1 ppm • Operating conditions • Temperature (electronics): 40°F to 113°F (5°C to 45°C) • Temperature (storage): -4°F to 140°F (-20°C to 60°C) • Humidity: 80% RH, non-condensing

  19. Model 7535 IAQ-Calc • Integrated probe • CO2 only, same as 7515 but with Manual, Auto Save, and continuous logging • Range: 0-5000 ppm • Accuracy: ± 3% of reading or ± 50 ppm, whichever is greater • ± (3% of reading + 50 ppm) • Resolution: 1 ppm • Operating conditions • Temperature (electronics): 40°F to 113°F (5°C to 45°C) • Temperature (storage): -4°F to 140°F (-20°C to 60°C) • Humidity: 80% RH, non-condensing

  20. Model 7525 IAQ-Calc • CO2 • Range: 0-5000 ppm • Accuracy: ± 3% of reading or ± 50 ppm, whichever is greater • Resolution: 1 ppm • Temperature • Range: 32°F to 140°F (0°C to 60°C) • Accuracy: ± 1°F (0,6°C) • Resolution: 0.1°F (0,1°C) • Response time: 30 seconds • Humidity • Range: 0 to 95% RH • Accuracy: ± 3% RH • Resolution: 0.1% (0,1%)

  21. Model 7525 IAQ-Calc • Also calculates: • Wet bulb temperature • Dew point temperature • % Outside Air • Operating conditions • Same as 7535 • Temp (probe): 14°F to 140°F (-10°C to 60°C) • Humidity issue

  22. Model 7525 IAQ-Calc • Power • Batteries included • AC adapter (optional) • Actual / Standard calculations • User input temperature and barometric pressure • Data logging • Manual, Auto Save, Continuous – Key, Continuous-Time • Downloading Data • LogDat2 software

  23. Model 7545 IAQ-Calc • CO2 • Range: 0-5000 ppm • Accuracy: ± 3% of reading or ± 50 ppm, whichever is greater • Resolution: 1 ppm • CO specs • Range: 0 to 500 ppm • Accuracy: ± 3% of reading or ± 3 ppm, whichever is greater • Resolution: 0.1 ppm (0,1 ppm)

  24. Model 7545 IAQ-Calc • Temperature • Range: 32°F to 140°F (0°C to 60°C) • Accuracy: ± 1°F (0,6°C) • Resolution: 0.1°F (0,1°C) • Response time: 30 seconds • Humidity • Range: 0 to 95% RH • Accuracy: ± 3% RH • Resolution: 0.1% (0,1%)

  25. Model 7545 IAQ-Calc • Also calculates: • Wet bulb temperature • Dew point temperature • % Outside Air • Operating conditions • Same as 7525 • Temp (probe): 14°F to 140°F (-10°C to 60°C)

  26. 9555-X • 9555-X is the multi-function instrument sold alone with no probes and NO pressure! • Add a Model 980 probe • CO2, Temperature, Humidity • Add a Model 982 probe • CO2, Temperature, Humidity, CO

  27. 9555-X with 982 Probe • CO Specs • Range: 0 to 500 ppm • Accuracy: ± 3% of reading ±3 ppm, whichever is greater • Resolution: 0,1 ppm • Similar features as the 7545 plus the ability to upgrade with more probes in the future

  28. Model 7415 TH-Calc • Temperature • Range: 32°F to 140°F (0°C to 60°C) • Accuracy: ± 1°F (0,6°C) • Resolution: 0.1°F (0,1°C) • Response time: 30 seconds • Humidity • Range: 0 to 95% RH • Accuracy: ± 3% RH • Resolution: 0.1% (0,1%)

  29. Model 7415 TH-Calc • Operating conditions • Temperature (electronics): 40°F to 113°F (5°C to 45°C) • Temperature (storage): -4°F to 140°F (-20°C to 60°C) • Temperature (probe): 14°F to 140°F (-10°C to 60°C) • Humidity: 80% RH, non-condensing • Calculates Wet Bulb Temperature • NO data logging • Basic keypad

  30. Model 7425 TH-Calc • Same specs as 7415 • Additional Calculations • Dew Point Temperature • % Outside Air • Data Logging • Manual, Auto Save

  31. Resources • Specification Sheets • In your product manual, you’ll find product specification sheets for each range • Competitive Comparison Charts

  32. Summary of Measurements and Calculations

  33. 3.0 Operation • Similar operation throughout product range • Developed Multi-Function instrument first • Applied functions as needed to instruments lower in the product range

  34. Operation - Display Battery Indicator Additional Messages Primary Parameter Activity Area Other measurements Soft Key Indicators

  35. Operation - Keys • On-Off • ESC • Large Enter Key • Select in menu • Lock a reading • Up – Down Arrows • Navigate in menus • 3 Soft Keys • Initiates the message on the display

  36. Operation – In Use • Display updates parameters every second • Many applications for IAQ are looking for issues that happen over time…..so they will use and IAQ meter to record info over time….

  37. Model 7515 IAQ-Calc • By following the instructions on the soft keys, a user can take a sample reading • The user pushes a button to start a test • Then, they push the button to stop the test • Then, they can view basic statistics • Details in the manual…..

  38. Main Menu • Display Setup • Programs instrument for what to display • Multi-function instrument (large display) • 1 Primary parameter • Up to 4 secondary parameters – perfect for IAQ meter • “Better” instruments (small display) • 1 Primary parameter • Up to 2 secondary parameters – perfect for IAQ meter • Chose among “On”, “Off”, “Primary”

  39. Main Menu • Settings Menu • This is where you configure how the instrument should work • Language, units, time, backlight, and more

  40. Main Menu • Actual/Standard Setup • This is where you choose whether to measure actual air or standard air • Barometric pressure • Temperature • Data Logging • We will look at this in more detail later

  41. Main Menu • Zero CO • This is also a quick one button operation to zero CO if an IAQ probe is attached

  42. Main Menu • Applications • This menu allows users to take special readings or calculations • We’ll review this later in 5.0 Applications • Applications include • Draft • Heatflow • Turbulence • % Outside Air

  43. Main Menu • Calibration • Walks the user through field calibration options • Discover Printer • This menu identifies and partners the instrument with a Bluetooth portable printer

  44. Operation – Notes

  45. Operation – Notes

  46. Data Logging • Measurements • User must define what measurements they want to save into memory • Either ON or OFF

  47. Data Logging • Types of Data Logging • Manual • Push ENTER to hold a reading • Push soft key to save in memory • Auto Save • Push ENTER and after a predetermined time, values are automatically saved in memory • “SAMPLE TIME” is set in the instrument

  48. Data Logging • Types of Data Logging • Continuous – Key – Important for IAQ applications • Push ENTER to start a continuous logging test • Push ENTER to stop the test • Continuous - Time - Important for IAQ applications • Push ENTER to start a continuous logging test • After a pre-determined time, the test stops • “TEST LENGTH” set in instrument • “LOG INTERVAL” set in instrument

  49. Data Logging • Test IDs • Identifies a group of data • 100 Test IDs • View Data on screen • Delete Data • Download and print • Data recorded with time and date stamp

  50. Data Logging • % Memory menu • Available memory depends on what has already been logged

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