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Related Manuals for Pyxis ST-500 Series
Summary of Contents for Pyxis ST-500 Series
- Page 2 ST-500 Series Inline PTSA Sensors User Manual November 30, 2020 Rev. 3.02 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 3: Table Of Contents
8 Sensor Maintenance and Precaution 8.1 Methods to Cleaning the ST-500 Series Sensor ......8.2 Storage .......... - Page 4 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 5: Introduction
(pyrenetetrasulfonic acid) in water. The standard ST-001 Tee Assembly provided with each ST-500/ST-500RO sensor, has two 3/4” female NPT ports and can be placed to an existing 3/4” sample water line. Pyxis Lab also offers 2” and 3” Tee formats for larger flow installations. The 4–20mA current output of the ST-500 Se- ries sensor can be connected to any controller that accepts an isolated or non-isolated 4–20mA input. -
Page 6: Unpacking Instrument
Enclosure Rating IP67 Regulation With Pyxis’s continuous improvement policy, these specifications are subject to change without notice. See Figure 3 for ST-500SS dimensions. 3 Unpacking Instrument Remove the instrument and accessories from the shipping container and inspect each item for any damage that may have occurred during shipping. - Page 7 Figure 1. Figure 2. ST-500 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397...
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Page 8: Installation
2. Insert the ST-500/ST-500RO sensor into the tee. 3. Tighten the tee nut onto the tee to form a water-tight, compression seal. Figure 3. Dimension of the ST-500/ST-500RO and the ST-001 Tee Assembly (mm) ST-500 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 9: St-500Ss Piping
°F (40 °C). The sensor can be held by a 1.75-inch pipe clamp or mounted to a panel with four 1/4-28 bolts. See Figure 3 for ST-500SS dimensions. Figure 4. Dimension of the ST-500SS (inch) ST-500 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 10: Wiring
4.4 Connecting via Bluetooth A Bluetooth adapter (P/N: MA-WB) can be used to connect a ST-500 Series sensor to a smart phone with the uPyxis® Mobile App or a computer with a Bluetooth/USB Adapter (P/N: MA-NEB) and the uPyxis® Desktop App. -
Page 11: Connecting Via Usb
4.5 Connecting via USB A USB-RS485 adapter (P/N: MA-485) can be used to connect a ST-500 Series sensor to a computer with the uPyxis® Desktop App. NOTE Using non-Pyxis USB-RS485 adapters may result in permanent damage of the ST- 500 Series sensor communication hardware. -
Page 12: Connecting To Upyxis® Mobile App
1. Open uPyxis® Mobile App. 2. On uPyxis® Mobile App, pull down to refresh the list of available Pyxis devices. 3. If the connection is successful, the ST-500 Series and its Serial Number (SN) will be displayed (Figure 4. Press on the ST-500 Series image. -
Page 13: Calibration Screen And Reading
When connected, the uPyxis® Mobile App will default to the Calibration screen. From the Calibration screen, you can perform calibrations by pressing on Zero Calibration, Slope Calibration, and 4-20mA Span. Follow the screen instructions for each calibration step. Figure 9. ST-500 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 14: Diagnosis Screen
If the sensor is severely fouled, a Dirty message will be shown. In this case, follow the procedure in the Methods to Cleaning the ST-500 Series Sensor section of this manual. Figure 10. ST-500 Series User Manual service@pyxis-lab.com... -
Page 15: Device Info Screen
Desktop application. Double click the uPyxis.Setup.exe file to install. Figure 12. uPyxis® Desktop App installation Click Install to start the installation process. Follow the screen instructions to complete the USB driver and uPyxis® installation. ST-500 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 16: Connecting To Upyxis® Desktop App
Connect via USB-RS485 (Fig- ure 13). 4. If the connection is successful, the ST-500 Series and its Serial Number (SN) will be displayed in the left pane of the uPyxis® window. NOTE After the sensor and Bluetooth is powered up, it may take up to 10 seconds for the adapter to establish the wireless signal for communication. -
Page 17: Information Screen
To calibrate the device, click on Calibration. On the Calibration screen there are three calibration buttons, 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 15. ST-500 Series User Manual service@pyxis-lab.com | +1 (866) 203-8397... -
Page 18: Diagnosis Screen
– 20 mA = 40 ppb 7.2 Communication using Modbus RTU The ST-500 Series sensor is configured as a Modbus slave device. In addition to the ppb PTSA value, many operational parameters, including warning and error messages, are available via a Modbus RTU connection. -
Page 19: Sensor Maintenance And Precaution
ST-500 Series sensor is used as part of an automated control system. When used to control product dosing, it is suggested that the automation system be configured to provide backup to limit potential product overfeed, for example by limiting pump size or duration, or by alarming if the pumping rate exceeds a desired maximum limit. -
Page 20: Storage
To clean the ST-500 Series sensor, soak the lower half of the sensor in 100 mL inline sensor cleaning solution for 30 minutes. Rinse the ST-500 Series sensor with distilled water and then check for the flashing blue light inside the ST-500 Series sensor quartz tube. If the surface is not entirely clean, continue to soak the ST-500 Series sensor for an additional 30 minutes.
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