Pyxis SP-710B User Manual
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Pyxis SP-710B User Manual

Handheld fluorometer
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  • Page 2 SP-710B Water Multimeter User Manual August 10, 2020 Rev. 3.01 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 3: Table Of Contents

    Table of Contents 1 Introduction 1.1 Main Features ......... 2 Specifications 3 Unpacking Instrument 3.1 Standard Accessories .
  • Page 4 11.1 Maintenance Best Practices ........11.2 Methods to Cleaning the SP-710B ......
  • Page 5 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 6: Introduction

    1 Introduction The Pyxis SP-710B is a handheld multimeter that measures five key parameters as well as colorimetric Free and Total Chlorine. It is a cuvette-less device. Less than 5 mL water sample is needed to fill the two sample cells for the measurement.

  • Page 7: Specifications

    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. During shipping and storage after production, a sponge wetted with the pH/ORP Storage Solution is placed in the pH/ORP cell seal.

  • Page 8: Standard Accessories

    4.1 Main Module Battery Installation The main module of the SP-710B 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-710B displays a ”LOW BATTERY”...

  • Page 9: 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-710B. 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 10: Instrument Overview

    Figure 2. Proper orientation of the ER14250 battery 5 Instrument Overview Figure 3. SP-710B User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 11: Ph/Orp Cell Dual-Function Seal

    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 12: Measurement

    6.1 PTSA and Conductivity Measurement 6.1.1 Measurement Procedure When powered on, the SP-710B will default to the PTSA and conductivity measurement mode. A water sample should be transferred to the main module sample cell using a disposable pipette, or the cell can be filled slowly from a sample bottle.

  • Page 13: Fluorescein Measurement

    6.1.3 High Color and Turbidity Warning The SP-710B has extra channels to measure sample turbidity and color to automatically compensate sam- ple color and turbidity interference. If sample turbidity and color values determined are too high, a PTSA measurement warning will be displayed. In such a case, the user should filter the sample for PTSA mea- surement.

  • Page 14: Temperature Measurement

    5. Rinse the pH/ORP sample cell three times with the sample to be tested. Fill the sample cell with the sample. 6. The pH and ORP values will be updated every two seconds on the SP-710B main module display. The values will be displayed in white with a blue background once a stable value is reached (Figure 8).
  • Page 15 Solution is not available, please use the sample water to hydrate the electrode for at least 30 minutes. 6.4.3 pH Measurement Principle The SP-710B 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 16 Reporting an ORP value without specifying the reference scale has no meaning. The value displayed by the SP-710B 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-710B is SHE-based, i.e., in the unit of Eh.

  • Page 17: Calibration

    DI water for the zero step as soon as it is available. 2. Power on the SP-710B by pressing . Allow 5–10 seconds for the SP-710B to stabilize. 3. The unit is actively reading and displaying both PTSA and Conductivity. The values will be very low if DI water is used;...

  • Page 18: Combined Ptsa And Conductivity Calibration

    7.2 Combined PTSA and Conductivity Calibration The following steps will calibrate both conductivity at 1000 µS/cm and PTSA at 100 ppb using Pyxis 100 ppb PTSA + 1000 µS/cm (KCl) Combined Standard (P/N: 21004): 1. Rinse the main module sample cell three times with the Combined Standard. Fill the sample cell with the Combined Standard.

  • Page 19: Conductivity Calibration

    ) to return to the CONDUCTIVITY CALIBRATION screen, or (c) Press Exit ( ) to abandon calibration entirely. 9. Once calibration begins, the SP-710B reads the sample and displays the value in the Measured sec- tion. A slight variance from the target is acceptable. 10. The message “Calibration...
  • Page 20 ) to return to the USER DEFINED CALIBRATION screen, or (c) Press Exit ( ) to abandon calibration entirely. 10. Once calibration begins, the SP-710B reads the sample and displays the value in the Measured sec- tion. A slight variance from the target is acceptable. 11. The message “Calibration...

  • Page 21: Fluorescein Calibration

    7.4 Fluorescein Calibration The SP-710B is designed to provide a flexible calibration procedure. The user can start with the two-point (DI water and 50 ppb Fluorescein) calibration and progressively add a three- and four-point calibration with 250 ppb and 500 ppb Fluorescein, respectively. This allows the user to choose a procedure based on the need of measurement accuracy and the target Fluorescein range.
  • Page 22 (Figure 25). Otherwise, a warning message is displayed. 18. Calibration is now complete. Press Exit ( ) to return to measurement mode. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. SP-710B User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 23: Ph Calibration

    7.5 pH Calibration The SP-710B 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 24 ”Completed!” message will appear (Figure 28). Otherwise, a warning mes- sage is displayed. 22. After a successful three-point calibration, press Exit ( , or ) to return to measurement mode. Figure 26. Figure 27. Figure 28. SP-710B User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 25: Orp Calibration

    7.6 ORP Calibration The ORP scale of the SP-710B 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-710B after calibration is referenced to the Ag/AgCl(3M KCl) scale.

  • Page 26: Device Information And Diagnosis

    (Figure 32). The information has no use for normal operation, but instead is used for device troubleshooting. 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 31.

  • Page 27: Main Module Sample Cell Cleanliness Check

    Figure 35. 8.2 Bluetooth Connection to Devices The SP-710B uses a built-in Bluetooth Low Energy Connection (BTLE) to connect wirelessly to a smart phone via the uPyxis® Mobile App, to a computer via the included Bluetooth Adapter (P/N: MA-NEB) and the uPyxis®...
  • Page 28 8.2.1 Calibrate an ST-500 Series Probe with the SP-710B via Bluetooth The SP-710B can be used to verify the result of an inline Pyxis ST-500 Series probe by measuring the sample water taken from the inline probe sample line. The SP-710B can then be used to calibrate the inline probes over the Bluetooth connection.
  • Page 29 14. If the calibration is successful, a ”Verify calibration - OK” message will appear on the top of the display (Figure 41). 15. Calibration is now complete. Long press Calib ( ) to return to measurement mode. Figure 36. Figure 37. Figure 38. Figure 39. Figure 40. Figure 41. SP-710B User Manual service@pyxis-lab.com | +1 (866) 203-8397...

  • Page 30: Factory Reset

    8.3 Factory Reset Use the following steps to restore all device parameters to factory default: 1. Power on the SP-710B by pressing 2. Press System ( ) to launch the DEVICE INFORMATION screen. 3. Press Diagnosis ( ) to launch the SYSTEM DIAGNOSIS screen.

  • Page 31: Use With Upyxis® Mobile App

    Mobile App. Ensure that the SP-710B 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-710B. When the uPyxis® Mobile App connects to the SP-710B, then press on the SP-710B.

  • Page 32: System Screen

    The firmware update process takes some time and will require the SP-710B to stay within range (approximately 10 ft without obstructions) for the entire duration of the update. Once the update is complete, the SP-710B will reboot which will disconnect the SP-710B from the uPyxis® Mobile App. Figure 46.

  • Page 33: Setting Screen

    Figure 47. 9.5 Datalog Screen From the Datalog screen, the user can view and export the internal log files of the SP-710B by pressing Read Datalogs and selecting the desired datalog (these are separated by month). The SP-710B will then...

  • Page 34: Use With Upyxis® Desktop App

    10.2 Connecting to uPyxis® Desktop App Ensure that the SP-710B is discoverable by following the steps in the Bluetooth Connection to Devices section. Once the app is open, to find your device, click on Device, then Connect via Bluetooth..

  • Page 35: System Screen

    The firmware update process takes some time and will require the SP-710B to stay within range (approximately 10 ft without obstructions) for the entire duration of the update. Once the update is complete, the SP-710B will reboot which will disconnect the SP-710B from the uPyxis® Mobile App. Figure 51.

  • Page 36: Setting Screen

    From the Setting screen, the user can set the Power off time and Screen off time in seconds. Figure 52. 10.5 Datalog Screen From the Datalog screen, the user can view, delete, and export the internal log files of the SP-710B by clicking Read Datalog List and selecting the desired datalog (these are separated by month).

  • Page 37: Device Maintenance And Precaution

    • Rinse the SP-710B 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-710B is not being used.

  • Page 38: Methods To Cleaning The Sp-710B

    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 seal is closed completely. The pH/ORP cell seal maintains a moist environment for the electrodes.

  • Page 39: Ph/Orp Module Replacement

    11.4 pH/ORP Module Replacement Figure 55. pH/ORP Module The pH/ORP module in the SP-710B 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 40 Figure 56. 11.4.2 Bluetooth Pairing 1. Power on the SP-710B by pressing 2. Press System ( ) to launch the DEVICE INFORMATION screen. 3. Press Comm ( ) to launch the COMMUNICATION screen (Figure 57). 4. Press Scan ( ) to begin scanning for Bluetooth devices.

  • Page 41: Regulatory Approval

    12 Regulatory Approval United States The SP-710B 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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