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Related Manuals for Pyxis ST-525SS
Summary of Contents for Pyxis ST-525SS
- Page 1 ST-525SS Inline Fluorescein Fluorometer Probe 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
The Pyxis ST-525SS probe uses high temperature-tolerant and humidity-resistant optical filters. It can be operated under a wide range of ambient conditions without the need of humidity and temperature regula- tion. With this design the performance of the ST-525SS probe can be stable and consistent for an extended period time. -
Page 5: Unpacking Instrument
Figure 1. 4 Installation The ST-525SS probe has two 3/4” female NPT ports. It is recommended that two 3/4” NPT to 1/4” tubing adapters are used to connect the probe to the sampling system. Sample water entering the probe must be cooled down to below 104 °F (40 °C). -
Page 6: Wiring
22-26 VDC @ 65mA. NOTE The negative 24V power terminal (power ground) and the negative 4-20mA ter- minal on the ST-525SS probe are internally connected. Follow the wiring table below to connect the ST-525SS probe to a controller: Wire Color Designation 24V +... -
Page 7: Connecting Via Bluetooth
4.2 Connecting via Bluetooth A Bluetooth adapter (P/N: MA-WB) can be used to connect an ST-525SS probe to a smart phone with the uPyxis® Mobile App or a computer with the uPyxis® Desktop App. The power should be sourced from a 24 VDC power terminal of a controller. -
Page 8: Download Upyxis® Mobile App
5.2 Connecting to uPyxis® Mobile App Turn on Bluetooth on your mobile phone (Do not pair the phone Bluetooth to the ST-525SS probe). Open uPyxis® Mobile App. Once the app is open the app will start to search for the sensor. Once the uPyxis®... -
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-525SS probe in currently measuring, then press Cleanliness Check. -
Page 10: Device Info Screen
6 Setup and Calibration with uPyxis® Desktop App The ST-525SS probe can be calibrated in a two-point (zero + slope) procedure using a deionized water sam- ple and a standard containing 10 to 60 ppb Fluorescein. The calibration solution could be the sample water itself. -
Page 11: Install Upyxis® Desktop App
Direct sunlight or indoor light on the ST-525SS probe should be avoided although it is not necessary to completely shield the ST-525SS probe from the ambient light during both the zero point and slope calibra- tions. -
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-525SS 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-525SS User Manual service@pyxis-lab.com | +1 (866) 203-8397...
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Page 14: Diagnosis Screen
ST-525SS probe 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 15: Methods To Cleaning St Series Probe
The need to clean the ST-525SS probe can be determined by the Cleanliness Check using either the uP- yxis® Mobile App (see the Mobile Diagnosis Screen section) or the uPyxis® Desktop App (see the Desktop Diagnosis Screen section). 8.1 Methods to Cleaning ST Series Probe Any equipment in contact with industrial cooling systems is subject to many potential foulants and con- taminants. -
Page 16: Troubleshooting
ST-525SS tee. Carry out routine calibration verification against a qualified Fluorescein standard. After properly cleaning the ST-525SS sensor, carry out the zero point calibration with distilled water and slope calibration using the qualified Fluorescein standard.
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