Pyxis 53607 User Manual Download Page 2

Page: 2 / 27

ST-765SS Series

pH + Free Chlorine / Chlorine Dioxide

Multiparameter Sensor

Operation Manual

August

, 202

Rev. 1

Pyxis Lab, Inc.

1729 Majestic Dr. Suite 5

Lafayette, CO 80026 USA

Pyxis Lab Proprietary and Confidential

Summary of Contents for 53607

Page 1: ......

Page 2: ...hlorine Chlorine Dioxide Multiparameter Sensor Operation Manual August 15 2022 Rev 1 8 Pyxis Lab Inc 1729 Majestic Dr Suite 5 Lafayette CO 80026 USA www pyxis lab com 2017 Pyxis Lab Inc Pyxis Lab Prop...

Page 3: ...1 Single Point Calibration Procedure 11 4 1 1 2 Two Point Calibration Procedure 12 4 1 2 pH Calibration 13 4 1 3 4 20mA Span 14 4 1 4 Diagnosis 14 4 2 Calibration and Diagnosis by uPyxis Desktop App 1...

Page 4: ...loan or lease Pyxis warrants that any labor services provided shall conform to the reasonable standards of technical com petency and performance effective at the time of delivery All service intervent...

Page 5: ...shortcomings associated with membranes and gel replacement while offering reduced polarization time on startup The flat front end design of the ST 765SS series makes this platform less prone to conta...

Page 6: ...0 05 0 2MPa FR 50 Installation FR 50 Self Regulating Flow Reservoir w Rotameter PRV Included FR 50 Minimum Flow Rate 200 mL minute FR 50 Maximum Flow Rate 400 mL minute FR 50 Sample Inlet inch OD FR...

Page 7: ...your Regional Sales contact or Pyxis Customer Service at order pyxis lab com 2 Installation ST 765SS Series Dimensions mm as shown in Figure 1 Figure 1 Dimension of the ST 765SS mm Accessory Name Item...

Page 8: ...m 1 866 203 8397 6 FR 50 Flow Reservoir Diagram as shown in Figure 2 Figure 2 FR 50 Flow Reservoir Diagram for ST 765SS Series Sensors FR 50 Flow Reservoir Installation Structure as shown in Figure 2A...

Page 9: ...nfigured to connect Pyxis inline sensors with fully integrated calibration scaling and measurement protocol When any Pyxis Lab sensor is connected to the UC 50 in RS 485 Modbus the UC 50 automatically...

Page 10: ...A RS 485 Modbus RTU Input 1 x 4 20 mA RS 485 Modbus RTU Relay Output One channel relay output 5Watt Maximum Data Storage 32 M Flash USB 1 x USB host for data downloading Dimension L x W x D 6 3 inch x...

Page 11: ...e controller is used make sure that the output from the power supply is rated for 22 26 VDC 85mA 4 Calibration and Diagnosis The ST 765SS Series sensors are rigorously calibrated before leaving the fa...

Page 12: ...scan the available Pyxis Bluetooth devices The discovered devices will be listed as shown in Figure 6 Tap the discovered ST 765SS sensor to connect to the sensor The uPyxis app can identify the sensor...

Page 13: ...ST 765SS Series must be slope calibrated in the FR 50 flow reservoir provided with the sensor and must have CONSISTENT flow within the specified range of 200 to 4 000mL per minute Determine the Free C...

Page 14: ...the FR 50 flow reservoir provided with the sensor and must have CONSISTENT flow within the specified range of 200 to 400mL per minute Determine the Free Chlorine or Chlorine Dioxide concentration in p...

Page 15: ...r into the pH 7 0 calibration standard solution and tap pH 7 CALIBRATION in the uPyxis app Measure for 1 minute and wait for the measurement result to stabilize before performing calibration Place the...

Page 16: ...not INCREASE the upper limit of the sensor beyond the range of the sensor Figure 11 Enter free chlorine concentration to set 4 20mA Figure 12 Diagnostic Interface 4 1 4 Diagnosis Tap Diagnosis in the...

Page 17: ...following steps 1 Open the desktop uPyxis APP 2 Click Device to launch the connection option menu 3 Select Connect via USB Bluetooth Figure 13 4 Select the Comm Port to make a connection Normally onl...

Page 18: ...SP 765SS Series Sensor Manual service pyxis lab com 1 866 203 8397 16 Figure 14 Connection Options Figure 15 Select a Comm port...

Page 19: ...SP 765SS Series Sensor Manual service pyxis lab com 1 866 203 8397 17 Figure 16 Connected to a ST 765SS sensor and information page Figure 17 Calibration Page...

Page 20: ...Free Chlorine and Chlorine Dioxide sample flow standard should be in the range of 0 1 to 5 0 ppm 4 2 1 2 Two Point Calibration Procedure Zero point Calibration Launch the uPyxis app and connect to th...

Page 21: ...andard value range acceptable for this step is 1 00 6 00 pH Place the sensor into the pH 7 0 calibration standard solution and tap pH 7 CALIBRATION in the uPyxis app Measure for 1 minute and wait for...

Page 22: ...SP 765SS Series Sensor Manual service pyxis lab com 1 866 203 8397 20 Figure 19 pH Low Calibration Figure 20 pH 7 Calibration...

Page 23: ...m Free Chlorine 20mA 5ppm Free Chlorine ST 765SS CLO 4mA 0ppm Chlorine Dioxide 20mA 5ppm Chlorine Dioxide Tap 4 20mA SPAN to change the free chlorine or chlorine dioxide value corresponding to the 20m...

Page 24: ...aw data measured by the sensor is displayed To help troubleshooting possible issues with the sensor please save images of these data when the sensor is respectively placed in a clean water tap water o...

Page 25: ...oller manufacturer s procedures for 4 20mA calibration as with any sensor With the default sensor settings the controller should be set to convert 4 mA to 0 ppm and 20 mA to 5 00 ppm for both ST 765SS...

Page 26: ...head of ST 765SS Series can be replaced when the original electrode head reaches its working life Order a replacement electrode head EH 765 P N 53061 from Pyxis and follow instructions as below 1 Turn...

Page 27: ...nsor Manual service pyxis lab com 1 866 203 8397 25 25 1 25 2 25 3 25 4 25 5 8 Contact Us Pyxis Lab Inc 1729 Majestic Dr Suite 5 Lafayette CO 80026 USA www pyxis lab com Phone 1 866 203 8397 Email ser...