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SP-700B Water Multimeter
Operation Manual
Jun 2, 2017
Rev. B
Firmware version 1.3.0r222
US Patent: 9612221
Pyxis Lab, Inc.
120 Jeffrey Ave.
Holliston, MA 01746 USA
www.pyxis-lab.com
© 2017 Pyxis Lab, Inc.
Pyxis Lab Proprietary and Confidential

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Summary of Contents for Pyxis SP-700B

  • Page 1 SP-700B Water Multimeter Operation Manual Jun 2, 2017 Rev. B Firmware version 1.3.0r222 US Patent: 9612221 Pyxis Lab, Inc. 120 Jeffrey Ave. Holliston, MA 01746 USA www.pyxis-lab.com © 2017 Pyxis Lab, Inc. Pyxis Lab Proprietary and Confidential...

  • Page 2: Limited Warranty

    The information contained in this manual may be confidential and proprietary and is the property of Pyxis Lab, Inc. Information disclosed herein shall not be used to manufacture, construct, or otherwise reproduce the goods described. Information disclosed herein shall not be disclosed to others or made public in any manner without the express written consent of Pyxis Lab, Inc.

  • Page 3: Table Of Contents

    Table of Contents Introducing the Pyxis SP-700B Multimeter ...................5 Features of the Pyxis SP-700B Multimeter ................... 5 Specifications ..........................6 Unpacking the Pyxis SP-700B Multimeter ..................6 Standard accessories ........................6 Optional accessories ........................7 Dual function light shield ......................7 Using the Pyxis SP-700B ......................8...
  • Page 4 Pyxis SP-700B Multimeter Operation Manual...

  • Page 5: Introducing The Pyxis Sp-700B Multimeter

    • • Temperature The SP-700B is a cuvette-less device, and has two sample cells. Less than 5 ml water is needed to fill the cells for measurement of the six parameters. 1.1 Features of the Pyxis SP-700B Multimeter The SP-700B includes the following features: •...

  • Page 6: Specifications

    Remove the instrument and accessories from the shipping container and inspect each item for any damage that may have occurred during shipping. 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: Optional Accessories

    Introducing the Pyxis SP-700B Multimeter • Bluetooth USB adapter The full instrument manual is available for download at www.pyxis-lab.com/support.html 1.5 Optional accessories The following optional accessories can be ordered from Pyxis Customer Service, service@pyxis-lab.com: Accessory Item number Carrying case for SP-700B MA-700 100 ppb PTSA + 1000 S/cm (KCl) combined...

  • Page 8: Using The Pyxis Sp-700B

    Replace the batteries to resume operation after a low battery warning. To turn the SP-700B back on after new battery installation, press the OK key for one second (the SP-700B does not turn itself on automatically after the new battery installation).

  • Page 9: Using The Sp-700B Control Keys

    2.2 Using the SP-700B control keys The SP-700B has three control keys, as shown in Figure 3. The left ( < ), right ( > ), and OK keys are used to launch an action indicated on the LCD screen directly above the keys. Note that the LCD screen is not a touch-enabled device;...

  • Page 10: Turning The Sp-700B On And Off

    2.2.1 Turning the SP-700B on and off To turn on the SP-700B: Press the OK control key momentarily and release. To turn off the SP-700B: Press and hold the OK key for three seconds. Release the OK key when the LCD display turns off.

  • Page 11: Temperature Measurement

    Multiple parameter measurement Allow five seconds for the SP-700B to reach stable readings for the six parameters. The time required to reach a stable reading may be slightly longer if the water sample temperature is significantly different than the environmental temperature at which the SP-700B had been equilibrated (stored).

  • Page 12: Orp Measurement

    If the ORP value of the standard is referenced to the standard hydrogen electrode (SHE), the ORP value reported by the SP-700B is SHE-based, i.e., in the unit of Eh. If the ORP value of the standard is referenced to the Ag/AgCl (3M KCl) electrode, the ORP value reported by the SP- 700B is referenced to the same, commonly noted as mV (Ag/AgCl, 3M KCl).

  • Page 13: Calibrating The Sp-700B

    Note: In an emergency, “non-PTSA” water, such as city water, can be used, but you should re-calibrate using DI water for the zero step as soon as it is available. 2. Power the SP-700B on by pressing the OK control key. Allow 5-10 seconds for meter to stabilize.
  • Page 14 Calibrating the SP-700B Figure 4 4. Press the key labeled P-Cal (the < control key). The first screen of the PTSA (alone) calibration appears, as shown in Figure 5. Figure 5 5. Press the key labeled Zero (the < control key) to set the zero point.
  • Page 15 Calibrating the SP-700B Figure 6 7. Rinse the sample cell out thoroughly (rinse at least twice) with the desired PTSA standard, and with the measurement cell near full, close the light shield. 8. If the 100 ppb PTSA default is not the desired PTSA for calibration, press the key labeled Cycle (the <...
  • Page 16 Calibrating the SP-700B 10. Press the key labeled Exit (the OK control key) to return to the measurement screen. The screen is similar to Figure 8. Slight variance in the PTSA value is acceptable. If you press Exit before the second checkmark appears, the calibration will not be completed and must be re- done.

  • Page 17: Standard Conductivity Calibration (500, 1000, 2500, Or 5000 Μs)

    Calibrating the SP-700B • After a successful calibration, the unit does not automatically return to Measurement mode. If you hold Exit down too long, the unit powers down rather than returning to Measurement mode. 4.2 Standard conductivity calibration (500, 1000, 2500, or 5000 µS) Example based on 1000 µS:...
  • Page 18 Calibrating the SP-700B Figure 10 6. Use the > key to cycle to the desired calibration, for example, 1000 µS. The Standard Conductivity selections are 500, 1000, 2500, and 5000 µS. For other conductivity values the User Defined Calibration mode must be used. With each press of the > key, various elements of the display update, such as the calibration title, the type (“Target”), and the...
  • Page 19 Calibrating the SP-700B Figure 12 8. To start the calibration, press the OK control key (skip steps 9 and 10). 9. Or, press Cancel (the < control key) to return to the Conductivity calibration selection screen (as in Figure 10). You can change the conductivity calibration type by using the > or < control keys.

  • Page 20: User-Defined Conductivity Calibration Procedure

    Calibrating the SP-700B 12. After successful calibration, press and hold the key labeled Calib (the OK control key) for three seconds, to return to the basic read (measurement) screen. Return to Read mode is not automatic, except through a power-off cycle.
  • Page 21 Calibrating the SP-700B Figure 14. Press the key labeled C-Cal (the > control key). 4. A screen like Figure 15 appears. The normal default Conductivity Calibration mode is the Combined Calibration, but is easily changed to the other Calibration modes as desired.
  • Page 22 Calibrating the SP-700B Figure 16 6. If the displayed Target numeric value is not that the value you want, use the keys labeled – and + (the < and > control keys) to adjust the value as desired. Holding a key down scrolls the values at a speedier rate.
  • Page 23 Calibrating the SP-700B 8. Or, press Cancel (the < control key) to return to the User Defined Calibration (as in Figure 16), where the desired User Defined calibration numeric value can be changed with the – or + key. 9. Or, press Exit (the > control key) to abandon calibration, and return to the basic Read mode (Figure 14).

  • Page 24: Combined Calibration Procedure

    C-CAL to cycle through the conductivity calibrations as desired. 4.4 Combined calibration procedure The combined 100 ppb PTSA and 1000 µS calibration requires the Pyxis PTSA-1010C PTSA/Combined standard. 1. Rinse sample cell with Combined Standard and close the light shield.
  • Page 25 Calibrating the SP-700B others (see the other Calibration Procedures). Otherwise, proceed with the steps below for use with the Combined Standard. Figure 21 4. Ensure the meter is filled with Combined Standard and press the labeled Calib (the OK control key) to confirm the desired calibration. A confirmation popup appears as in Figure Figure 22 5.
  • Page 26 Calibrating the SP-700B control key. (In this case ensure the correct standard is present for the conductivity calibration desired. See the other Conductivity Calibration procedures.) 7. Or, press Exit (the > control key) to abandon calibration, and return to the basic Read mode (Figure 20).

  • Page 27: Fluorescein Calibration

    Note: In an emergency, “non-fluorescein” water, such as city water, can be used, but you should re-calibrate using DI water for the zero step as soon as it is available. 2. Power the SP-700B on by pressing the OK control key. Allow 5-10 seconds for meter to stabilize.
  • Page 28 9. Press the key labeled Slope (the > control key) to set the slope of the standard desired and complete low-range fluorescein calibration. 10. If calibration is successful, the screen will update with a second checkmark for the Slope setting as in Fig. 27, and the message Calibration Succeed will appear. Pyxis SP-700B Multimeter Operation Manual...
  • Page 29 (If the screen darkens, promptly press any key to re-set the timer for auto shutdown. The key pressed does not perform its activity, only re-sets timer. The screen then re-lights.) Pyxis SP-700B Multimeter Operation Manual...
  • Page 30 Slope step, as in Figure 30. The possible fluorescein selection is displayed in red. The default is 500 ppb. If high range fluorescein calibration is not required, press the key labeled Exit (OK) to exit to the main screen. Figure 30 Pyxis SP-700B Multimeter Operation Manual...
  • Page 31 If there are no key presses for 20 seconds the screen will darken (40 sec. in a calibration mode), and after another 20 seconds without key activity will power down. If you have multiple samples a quick press on OK or the other keys will keep the timer going, giving Pyxis SP-700B Multimeter Operation Manual...

  • Page 32: Ph And Orp Calibrations

    We recommend that you use Zobell’s ORP standards to calibrate the SP-700B, and pay attention to the reference electrode on which the ORP value is referenced. The reference information must be specified by the standard supplier.

  • Page 33: Second-Point Calibration

    When the one-point pH 7 calibration is complete, press the Exit key to exit, or continue to the pH 4 or pH 10 calibration. If a second buffer is added into the cell, the SP-700B automatically determines the buffer pH and displays the determined buffer pH value for confirmation.

  • Page 34: Third-Point Calibration

    Press << until the left key label becomes O-cal. Press O-cal to launch the ORP calibration screen. Press + or – to select an ORP value to match your ORP standard. Press Calib to complete the calibration. Pyxis SP-700B Multimeter Operation Manual...

  • Page 35: Device Information And Diagnosis

    Ag/AgCl(3M KCl) scale. This is because the value of 220 mV is based on the Ag/AgCl(3M KCl) reference electrode. If the value entered in the above calibration is 429 mV, the ORP value reported by the SP-700B is referenced to the SHE, because the value of 429 mV at 25 C for the Zobell’s standard is SHE based.

  • Page 36: Device Maintenance

    9 Replacing the pH and ORP module (Hardware before SN: 170000) The pH/ORP module in the SP-700B can be replaced when the original module reaches the end of its working life.

  • Page 37: Replacing The Ph And Orp Module (Hardware After Sn: 170000)

    Replacing the pH and ORP module (Hardware after SN: 170000) 22. Using two hands, grasp the SP-700B main body firmly and push the pH/ORP module forward with two thumbs until it is unlocked from the main body. 23. Continue to push or pull the module away from the side aluminum rails.
  • Page 38 Replacing the pH and ORP module (Hardware after SN: 170000) 5. Using two hands, grasp the SP-700B main body firmly and push the pH/ORP module forward with two thumbs until it is unlocked from the main body. 6. Continue to push or pull the module away from the side aluminum rails.

  • Page 39: Bluetooth Connection

    Inserting the new module into the side aluminum rails 11 Bluetooth connection The Pyxis SP-700B can be connected to a smart phone or a computer via the built-in Bluetooth Low Energy Connection (BTLE). A laptop with Pyxis Nebula software can use the Bluetooth adapter included with the SP-700B as a standard accessory to connect to the SP-700B for parameter configuration, firmware upgrade, and other tasks.

  • Page 40: Calibrate St-500 With Sp-700B

    (service@pyxis-lab.com). 12 Calibrate ST-500 with SP-700B The SP-700B can be used to verify the result of inline Pyxis ST-500 and other probes by measuring the sample water taken from the inline probe sample line. The SP-700B can then be used to calibrate the inline probes over the Bluetooth connection.
  • Page 41 Figure 34 Figure 35 Use the SP-700B meter to measure the sample water by pressing the Read key. The PTSA value is displayed on the screen below the ST-500 readings, as shown in Figure 35. Press Calib to send the calibration instruction to the ST-500 via Bluetooth connection.

  • Page 42: Contact Us

    Contact us Contact us Contact us at any time if you have questions about the use or maintenance of the SP-700B Water Multimeter: Pyxis Lab, Inc. 120 Jeffrey Ave Holliston, MA 01746 USA www.pyxis-lab.com service@pyxis-lab.com Pyxis SP-700B Multimeter Operation Manual...

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