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Summary of Contents for Pyxis ST-540SS-HR
- Page 1 ST-540 Series Inline NDSA Probes User Manual March 20, 2020 Rev. 3.00 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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Page 2: Table Of Contents
Table of Contents 1 Introduction 2 Specifications 3 Unpacking Instrument 3.1 Standard Accessories ........3.2 Optional Accessories . - Page 3 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).
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Page 4: Introduction
1 Introduction The Pyxis ST-540 Series probe measures the concentration of naphthenic disulfonic acid (NDSA) in boiler water and experimental applications. The ST-540 Series probe excites the sample water with a deep UV light and measures a narrow band near UV fluorescent emission. It can be connected to any controller that accepts an isolated or non-isolated 4-20mA input. -
Page 5: Unpacking Instrument
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 accessory items are included. If any item is missing or damaged, please contact Pyxis Lab Customer Service at service@pyxis-lab.com. 3.1 Standard Accessories •... -
Page 6: Wiring
Wire Color Designation 24V + Black 24V Power ground White 4-20mA + Green 4-20mA - Blue RS-485 A Yellow RS-485 B Clear Shield, earth ground Internally connected to the power ground ST-540 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 7: Connecting Via Bluetooth
20 to 100 ppb NDSA. The calibration solution could be the sample water itself. The concentration of NDSA in the sample water can be determined by using a Pyxis SP-395N (P/N: 50226) or similar offline fluorometer or calculated from the concentration of any measurable species in the sample water such as polymer, phosphate, or molybdate. -
Page 8: Download Upyxis® Mobile App
Open uPyxis® Mobile App. Once the app is open the app will start to search for the sensor. Once the uPyxis® Mobile App connects to the sensor, press the ST-540 Series probe. Figure 6. ST-540 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 9: Calibration Screen And Reading
Export & Upload. This feature may be used for technical support when communicating with service@pyxis-lab.com. To preform a probe cleaniness check, first select the Diagnosis Condition which defines the fluid type that the ST-540 Series probe in currently measuring, then press Cleanliness Check. -
Page 10: Device Info Screen
20 to 100 ppb NDSA. The calibration solution could be the sample water itself. The concentration of NDSA in the sample water can be determined by using a Pyxis SP-395N (P/N: ST-540 Series User Manual service@pyxis-lab.com... -
Page 11: Install Upyxis® Desktop App
6.1 Install uPyxis® Desktop App Download the latest version of uPyxis® Desktop software package from: http://www.pyxis-lab.com/sup- port.html this setup package will download and install the Microsoft.Net Framework 4.5 (if not previously installed on the PC), the USB driver for the USB-Bluetooth adapter (MA-NEB), the USB-RS485 adapter (MA- 485), and the main uPyxis®... -
Page 12: Information Screen
To calibrate the device, click on Calibration. On the Calibration screen there are three calibration tabs, Zero Calibration, Slope Calibration, and 4-20mA Span. The screen also displays the reading of the device. The reading refresh rate is every 4 seconds. Figure 13. ST-540 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... - Page 13 Set 20mA Span. Each sensor format will have a maximum 20 mA range allowed. 4-20mA Span setup must be maintained within the limit of its respective sensor. Figure 15. ST-540 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397...
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Page 14: Diagnosis Screen
When in the Diagnosis screen you can view the Diagnosis Condition of the device. This feature may be used for technical support when communicating with service@pyxis-lab.com. To preform a probe cleaniness check, first select the Diagnosis Condition which defines the fluid type that... -
Page 15: Methods To Cleaning St Series Probe
A small, soft bristle brush, Q-Tips cotton swab, or soft cloth may be used to safely clean the probe housing and the quartz optical sensor channel. These components and more come with a Pyxis Lab Inline Probe Cleaning Solution Kit (P/N: SER-01) which can be purchased at our online Estore/Catalog https://pyxis-lab.com/product/st-series-probe-cleaning-kit/... -
Page 16: Troubleshooting
Carry out routine calibration verification against a qualified NDSA standard. After properly cleaning the ST- 540 Series sensor, carry out the zero point calibration with distilled water and slope calibration using the qualified NDSA standard. 10 Contact Us Pyxis Lab, Inc 1729 Majestic Dr. Suite 5 Lafayette, CO 80026 USA www.pyxis-lab.com...
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