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Page 2: ...ST 540 Series Inline NDSA Sensor Operation Manual Pyxis Lab Inc 1729 Majestic Dr Suite 5 Lafayette CO 80026 USA www pyxis lab com V3 04 2020 Pyxis Lab Inc Pyxis Lab Proprietary and Confidential...
Page 3: ...shall conform to the reasonable standards of technical competency and performance effective at the time of delivery All service interventions are to be reviewed and authorized as correct and complete...
Page 4: ...tart 9 4 Calibration and Diagnosis 9 4 1 Calibration and Diagnosis with uPyxis Mobile App 9 4 1 1 Calibration 10 4 1 2 4 20mA Span Settings 11 4 1 3 Diagnosis 12 4 2 Calibration and Diagnosis with uPy...
Page 5: ...4 20mA as well as RS 485 Modbus output signals and is Bluetooth Enabled for wireless cleanliness diagnostics and calibration when used with MA WB or PowerPACK Series Bluetooth Adapters and the uPyxis...
Page 6: ...o Point Calibration Against DI Water NDSA Standard Solution Power Supply 12 36VDC Power Consumption 1W Outputs Isolated 4 20 mA Analog Outputs Isolated RS 485 Digital Output 7Pin Installation FNPT Thr...
Page 7: ...sembly 50704 NDSA 10 NDSA Calibration Standard 10ppb 500mL NDSA 10 NDSA 100 NDSA Calibration Standard 100ppb 500mL NDSA 100 Pyxis Sensor Cleaning Kit Includes Sensor Cleaner 500mL Accessories SER 01 M...
Page 8: ...ports sample in and out It is recommended that two inch NPT to inch tubing adaptor are used to connect the sensor to the sampling system Sample water entering the sensor must be cooled down to below...
Page 9: ...embly offered in inch FNPT inlet and outlet with socket weld and threaded adapters and unions This sensor should be installed in a standard inch NPT PVC piping bypass network with isolation valves It...
Page 10: ...ated in a two point zero slope procedure using a deionized water sample and a standard containing 100 ppb NDSA The sensor can also be calibrated by a single point method The calibration solution could...
Page 11: ...he dropdown list provided in the app As shown in Figure 4 the calibration page after uPyxis is connected to the sensor via the Pyxis Bluetooth adapter displays the current NDSA value recorded by the s...
Page 12: ...bration page 4 1 2 4 20mA Span Settings The default 4 20mA span is 20 mA 500 ppb NDSA and 4 mA 0 ppb NDSA Users may alter the output scale using 4 20mA Span to change the NDSA value corresponding to t...
Page 13: ...NDSA concentration Figure 7 Enter NDSA concentration to set 20mA 4 1 3 Diagnosis Tap Diagnosis in the bottom of the app page to launch the diagnosis page Figures 7 and 8 Figure 7 Select diagnosis con...
Page 14: ...wn 4 2 Calibration and Diagnosis with uPyxis Desktop App Download and install uPyxis desktop app from https upyxis pyxis lab com cn release pc uPyxis Setup latest zip To connect the ST 540 series sens...
Page 15: ...540 sensor series number and current NDSA reading are displayed on the left of the information page Figure 12 In this page a nickname can be assigned to the sensor The sensor Modbus address can be ch...
Page 16: ...Pyxis ST 540 Series Operation Manual 15 Figure 11 Connected to a ST 540 sensor and information page Figure 12 Calibration page...
Page 17: ...gnosis page Figures 16 and 17 In the diagnosis page the raw data measured by the sensor is displayed To help troubleshoot possible issues with the sensor please save an image of this data when the sen...
Page 18: ...Pyxis ST 540 Series Operation Manual 17 Figure 14 Set 4 20mA span Figure 15 Select diagnosis condition before cleanliness check...
Page 19: ...pb and 20 mA to 500 ppb It is likewise essential that the ST 540 series sensor be properly and thoroughly cleaned prior to calibrating via the controller Calibration of a fouled sensor via the control...
Page 20: ...tion may not require cleaning for several months The need to clean the ST 540 series sensor can be determined by the Cleanliness Check using uPyxis App as described in the above sections 6 1 Cleaning...
Page 21: ...ion ground connection connect the clear solution ground wire to a conductor that contacts the sample water electrically such as a brass pipe adjacent to the ST 540 series sensor Contact us Contact us...
