Pyxis SP-600 User Manual
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Pyxis SP-600 User Manual

Water multimeter
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SP-600 Water Multimeter
User Manual
May 4, 2020
Rev. 1.01
Pyxis Lab, Inc.
1729 Majestic Dr. Suite 5
Lafayette, CO 80026 USA
www.pyxis-lab.com
© 2017 Pyxis Lab, Inc.
Pyxis Lab Proprietary and Confidential

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Summary of Contents for Pyxis SP-600

  • Page 1 SP-600 Water Multimeter User Manual May 4, 2020 Rev. 1.01 Pyxis Lab, Inc. 1729 Majestic Dr. Suite 5 Lafayette, CO 80026 USA www.pyxis-lab.com © 2017 Pyxis Lab, Inc. Pyxis Lab Proprietary and Confidential...

  • Page 2: Table Of Contents

    Table of Contents 1 Introduction 1.1 Main Features ......... 2 Specifications 3 Unpacking Instrument 3.1 Standard Accessories .
  • Page 3 11.1 Maintenance Best Practices ........11.2 Methods to Cleaning the SP-600 .......
  • Page 4 Pyxis Lab, Inc. Standard Limited Warranty Pyxis Lab warrants its products for defects in materials and workmanship. Pyxis Lab will, at its option, repair or replace instrument components that prove to be defective with new or remanufactured components (i.e., equivalent to new).

  • Page 5: Introduction

    1 Introduction The Pyxis SP-600 is a uniquely designed handheld multimeter that measures seven key parameters. It is a cuvette-less device. Less than 5 mL water sample is needed to fill either of the two sample cells for proper measurement. The measurable parameters are: •...

  • Page 6: Specifications

    Storage Solution on the outer shell of the device. This will not cause any damage. Simply wipe down the device with wet cloth and towel dry. Verify that all items listed on the packing slip are included. If any items are missing or damaged, please contact Pyxis Customer Service at service@pyxis- lab.com.

  • Page 7: Standard Accessories

    4.1 Main Module Battery Installation The main module of the SP-600 is powered by four AA alkaline batteries. Typical battery life is 10,000 mea- surements or 6 months. When the battery capacity is critically low, the SP-600 displays a ”LOW BATTERY”...

  • Page 8: Ph/Orp Module Battery Installation

    5. Fasten the two screws. NOTE Failure to properly seat the O-ring may result in water damage to the SP-600. 4.2 pH/ORP Module Battery Installation The new pH/ORP module has a lithium thionyl chloride battery (3.7V-ER14250) installed. When the bat- tery capacity is critically low and the main module displays a LOW BATTERY warning, replace the ER14250 battery.

  • Page 9: Instrument Overview

    Figure 2. Proper orientation of the ER14250 battery 5 Instrument Overview Figure 3. SP-600 User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 10: Ph/Orp Cell Cap Seal

    It may be discarded if desired, but pH/ORP Storage Solution must be maintained in the unit cell at all times during non-use. Please fill the pH/ORP cell with 1 mL of Pyxis pH/ORP Storage Solution (P/N: 63900) at all times when not using the pH/ORP cell.

  • Page 11: Main Module On/Off

    Mobile or Desktop App. 5.4 pH/ORP Module On/Off The pH/ORP module has a built-in Bluetooth chip. It can be turned on by the main SP-600 module via Bluetooth communication. The pH/ORP module will turn itself off when either commanded by the main module or automatically based on the idle time limit when main module is not in pH/ORP measurement mode.

  • Page 12: Conductivity Measurement

    6.2 Conductivity Measurement 6.2.1 Measurement Procedure When powered on, the SP-600 will default to the Conductivity mode. If the SP-600 does not default start in this mode, follow the instructions in the Switch Measurement Mode section to switch back to Conductivity mode.
  • Page 13 10). NOTE The TDS measurement will continue to be displayed until the user switches to an alternate measurement mode or conducts a power cycle of the SP-600. Figure 9. Highlight TDS measurement Figure 10. TDS measurement SP-600 User Manual service@pyxis-lab.com...
  • Page 14 6.3.2 TDS to Conductivity Ratio Adjustment The SP-600 allows the user to set a custom TDS to conductivity conversion ratio within the range of 0.125 to 5. This ratio will be in effect in the full TDS measurement range when user checks the User TDS Ratio box in the uPyxis®...

  • Page 15: Resistivity Measurement

    The SP-600 measures the absorbance value of the resulted pink solution to determine the free chlorine and total chlorine concentration as DPD.
  • Page 16 11. Press Timer ( ). A 1-minute timer for free chlorine or 3-minute timer for total chlorine will begin. 12. The SP-600 will continuously display the free or total chlorine concentration as the timer counts down. Record the final value after timer stops.

  • Page 17: Temperature Measurement

    4. Rinse the pH/ORP sample cell three times with the sample to be tested. Fill the sample cell with the sample. 5. The pH and ORP values will be updated every two seconds on the SP-600 main module display. The values will be displayed in white with a blue background once a stable value is reached (Figure 19).
  • Page 18 Solution is not available, please use the sample water to hydrate the electrode for at least 30 minutes. 6.7.3 pH Measurement Principle The SP-600 pH/ORP module uses the standard electrochemical cell for the pH measurement. The cell con- sists of a glass electrode and an Ag/AgCl reference electrode. Potassium chloride (KCl) electrolyte filling gel is sealed in the Ag/AgCl electrode.

  • Page 19: Calibration

    Reporting an ORP value without specifying the reference scale has no meaning. The value displayed by the SP-600 depends on the ORP value of the ORP standard used in the calibration. If the ORP value of the standard is referenced to the Standard Hydrogen Electrode (SHE), the ORP value reported by the SP-600 is SHE-based, i.e., in the unit of Eh.
  • Page 20 ) to return to the CONDUCTIVITY CALIBRATION screen, or (c) Press Exit ( ) to abandon calibration entirely. 9. Once calibration begins, the SP-600 reads the sample and displays the value in the Measured section. A slight variance from the target is acceptable. 10. The message “Calibration...
  • Page 21 Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. SP-600 User Manual service@pyxis-lab.com | +1 (866) 203-8397...
  • Page 22 ) to return to the CONDUCTIVITY CALIBRATION screen, or (c) Press Exit ( ) to abandon calibration entirely. 11. Once calibration begins, the SP-600 reads the sample and displays the value in the Measured section. A slight variance from the target is acceptable. 12. The message “Calibration...
  • Page 23 Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. SP-600 User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 24: Dpd Free And Total Chlorine Calibration

    The following steps are used to carry out a calibration check using a Pyxis DPD Chlorine Secondary Standard (either 1.0 ppm or 2.0 ppm): 1. Fill the conductivity/chlorine sample cell with the DPD Chlorine Secondary Standard solution and allow to soak for 15 minutes.
  • Page 25 9. Use a portion of the blank-zero sample to rinse the conductivity/chlorine sample cell once. Pour the remaining blank-zero sample into the sample cell. 10. Press Timer ( ). A 120-second timer will begin. The SP-600 will continuously display the free chlorine concentration as the timer counts down. 11. After the timer stops, press Calib ( 12.
  • Page 26 The DPD Chlorine method has been calibrated prior to shipping; there is no need to calibrate unless a calibration check (see the Calibration Check using Pyxis DPD Chlorine Secondary Standard section) indicates that the method needs to be re-calibrated. The following steps are used to carry out a slope calibration using the Pyxis DPD Chlorine Secondary Standard (1.0 ppm):...
  • Page 27 The DPD Chlorine method has been calibrated prior to shipping; there is no need to calibrate unless a calibration check (see the Calibration Check using Pyxis DPD Chlorine Secondary Standard section) indicates that the method needs to be re-calibrated. The following steps are used to carry out a slope calibration using...
  • Page 28 11. Press Timer ( ). A 120-second timer will begin. The SP-600 will continuously display the chlorine concentration as the timer counts down. 12. After the timer stops, press Calib ( 13. Use - ( ) and + ( ) to adjust the chlorine concentration to the value of the known chlorine solution.

  • Page 29: Ph Calibration

    7.3 pH Calibration The SP-600 is designed to provide a flexible calibration procedure. The user can start with the one-point pH7 calibration and progressively add a two- and three-point calibration with the pH4 and pH10 buffers. This allows the user to choose a procedure based on the need of measurement accuracy and the target pH range.
  • Page 30 ”Completed!” message will appear (Figure 44). Otherwise, a warning mes- sage is displayed. 24. After a successful three-point calibration, press Exit ( , or ) to return to pH/ORP mode. Figure 42. Figure 43. Figure 44. SP-600 User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 31: Orp Calibration

    7.4 ORP Calibration The ORP scale of the SP-600 depends on the ORP scale of the calibration standard. For example, if the value of 220 mV for the common Zobell’s standard at 25 °C is entered in the above calibration, the ORP value reported by the SP-600 after calibration is referenced to the Ag/AgCl(3M KCl) scale.

  • Page 32: Device Information And Diagnosis

    (Figure 48). The information has no use for normal operation, but instead is used for device troubleshoot- ing. Provide an image of both the DEVICE INFORMATION screen and the SYSTEM DIAGNOSIS screen when you contact Pyxis (service@pyxis-lab.com) for troubleshooting your device or call +1 (866) 203-8397. Figure 47.

  • Page 33: Conductivity/Chlorine Sample Cell Cleanliness Check

    Heavy fouling will prevent the light from reaching the sensor, resulting in inaccurate readings. It is suggested that the SP-600 be checked for fouling and cleaned on a monthly basis. Heavily contaminated waters may require more frequent cleanings. Cleaner water sources with less contamination may not require cleaning for several months.

  • Page 34: Bluetooth Connection To Devices

    8.2 Bluetooth Connection to Devices The SP-600 uses a built-in Bluetooth Low Energy Connection (BTLE) to connect wirelessly to a smart phone via the uPyxis® Mobile App or to a computer via the included Bluetooth Adapter (P/N: MA-NEB) and the uPyxis®...

  • Page 35: Factory Reset

    8.3 Factory Reset Use the following steps to restore all device parameters to factory default: 1. Power on the SP-600 by pressing 2. Press Cal/Sys ( ) to launch the DEVICE INFORMATION screen. 3. Press Diagnosis ( ) to launch the SYSTEM DIAGNOSIS screen.

  • Page 36: Use With Upyxis® Mobile App

    Mobile App. Ensure that the SP-600 is discoverable by following the steps in the Bluetooth Connection to Devices section. Once the app is open, the app will start to search for the SP-600. When the uPyxis® Mobile App connects to the SP-600, then press on the SP-600.

  • Page 37: System Screen

    The firmware update process takes some time and will require the SP-600 to stay within range (approximately 10 ft without obstructions) for the entire duration of the up- date. Once the update is complete, the SP-600 will reboot which will disconnect the SP-600 from the uPyxis® Mobile App. Figure 56.

  • Page 38: Setting Screen

    TDS to Conductivity Ratio Adjustment section. For more information about the conductivity temperature compensation, see the Temperature Compensation section. The user can also set the Power off time and Screen off time in seconds. Figure 57. SP-600 User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 39: Datalog Screen

    9.5 Datalog Screen From the Datalog screen, the user can view and export the internal log files of the SP-600 by pressing Read Datalogs and selecting the desired datalog (these are separated by month). The SP-600 will then populate any relevant log event from the selected datalog which can be viewed in more detail by pressing...

  • Page 40: Use With Upyxis® Desktop App

    10.2 Connecting to uPyxis® Desktop App Ensure that the SP-600 is discoverable by following the steps in the Bluetooth Connection to Devices sec- tion. Once the app is open, to find your device, click on Device, then Connect via Bluetooth..

  • Page 41: System Screen

    The firmware update process takes some time and will require the SP-600 to stay within range (approximately 10 ft without obstructions) for the entire duration of the up- date. Once the update is complete, the SP-600 will reboot which will disconnect the SP-600 from the uPyxis® Mobile App. Figure 61.

  • Page 42: Setting Screen

    Figure 62. 10.5 Datalog Screen From the Datalog screen, the user can view, delete, and export the internal log files of the SP-600 by clicking Read Datalog List and selecting the desired datalog (these are separated by month). The SP-600 will then...

  • Page 43: Device Maintenance And Precaution

    • Rinse the SP-600 with tap water or DI water after measurement and remove residual water using a paper towel. • Maintain 1 mL of pH/ORP Storage Solution in the pH/ORP cell at all times when the SP-600 is not being used.

  • Page 44: Methods To Cleaning The Sp-600

    11.3 Storage When the pH/ORP cell is not in use, fill the cell with 1 mL of Pyxis pH/ORP Storage Solution (P/N: 63900) and ensure the pH/ORP Cell Cap Seal is closed completely. The pH/ORP Cell Cap Seal seals the pH/ORP cell, maintaining a moist environment for the electrodes.

  • Page 45: Ph/Orp Module Replacement

    11.4 pH/ORP Module Replacement Figure 65. pH/ORP Module The pH/ORP module in the SP-600 can be replaced when the original module reaches the end of its working life. Pyxis offers a 6-month warranty on the pH/ORP module. Pyxis recommends replacing the module at a frequency of every 9–12 months as a best practice.
  • Page 46 11.4.2 Bluetooth Pairing 1. Power on the SP-600 by pressing 2. Press Cal/Sys ( ) to launch the DEVICE INFORMATION screen. 3. Press Pair ( ) to launch the COMMUNICATION screen (Figure 67). 4. Press Scan ( ) to begin scanning for Bluetooth devices.

  • Page 47: Regulatory Approval

    12 Regulatory Approval United States The SP-600 sensor has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

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