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Summary of Contents for Pyxis CR Series
- Page 1 CR Series LPR Corrosion Sensor User Manual June 2, 2020 Rev. 1.51 © 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
Because of this, the corrosion rate measured by the CR Series sensor should not be used alone to predict or assess the real corrosion rate of the process equipment. Nevertheless, the science of using the LPR technique to quantify the corrosion rate has been well established. -
Page 5: Specifications
10% ferric chloride solution at 72 °F is arbitrarily defined as 100. The real time electrochemical current noise data are graphically displayed in the Pyxis display panel, an optional item that can be purchased separately. With the graphic trend, the noise pattern and magnitude can be easily analyzed visually. -
Page 6: Unpacking Instrument
• One 0.1 MPY copper calibration check cap (P/N: 51011) • One Bluetooth Adapter for CR-300 (P/N: MA-CR) • One Bluetooth adapter for PC (P/N: MA-NEB) • Operation Manual is also available for download at Chemtrol website CR Series User Manual... -
Page 7: Optional Accessories
4 Installation 4.1 Electrode Installation The CR Series sensor is shipped without the electrodes installed. A pair of copper and mild steel electrodes are included in the package. Follow the steps below to install either pair of electrodes: 1. Remove the O-rings in the electrode package. -
Page 8: Piping
Figure 2. CR Series installation into the sample flow line The CR Series should be inserted into a pipe via a 1-inch threaded tee. The corrosion rate measured by the CR Series sensor may be affected by the position of the two-test metal electrodes in relation to the water flow. -
Page 9: Battery Installation For Cr-200
Figure 4. CR-300 dimensions in inch (mm) 4.3 Battery Installation for CR-200 The 3.6 V ER26500 battery should be used and is available from Pyxis (P/N: 50730). Figure 5. ER26500 battery (P/N: 50730) WARNING Do NOT use type C alkaline batteries for CR-200. Although type C alkaline batteries are in the same dimensions as ER26500 lithium, they are 1.5 V nominal voltage batteries. -
Page 10: Wiring For Cr-300
24V + Brown 24V Power ground White General corrosion rate, 4–20mA + Pink Localized corrosion rate, 4–20mA + Gray 4–20mA - Blue RS-485 A Yellow RS-485 B Green Shield, earth ground Internally connected to the power ground CR Series User Manual... -
Page 11: Connecting Via Bluetooth For Cr-300
Mobile App or a computer with the uPyxis® Desktop App. The power should be sourced from a 24 VDC power terminal of a controller. If a controller is not available, the user may also use Pyxis PowerPACK-1 or PowerPACK-4 as an alternative to both an external power supply and a Bluetooth adapter. PowerPACK from Pyxis Lab offers external power, Input/Output signal, and Bluetooth connectivity. - Page 12 Metal electrodes with a different length and a slightly different diameter may be used with the CR Series sensor if the electrodes have a 4-40 internal thread and has a surface area of 5 cm (0.736 inch ). The alloy factor for a given metal alloy is proportional to the surface area of the electrode.
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Page 13: Default Sensor Settings
5.3 Calibration Check Caps The CR Series sensor is provided with one 2.0 MPY-Steel and one 0.1 MPY-Copper calibration check cap. These caps are designed to generate a known mA value and can be used to confirm that the sensor has been configured properly. -
Page 14: Cr-200 Function Buttons And Indicator Lights
Peripheral (Pairing) mode. In this mode, the blue indicator light will begin flashing until paired to the uPyxis® App. The blue indicator light will remain solid blue while paired. Only one device can be paired at a time. CR Series User Manual... -
Page 15: Setup And Calibration With Upyxis® Mobile App
CR-300 section for more details. Turn on Bluetooth on your mobile phone (Do not pair the phone Bluetooth to the CR Series sensor). Open uPyxis® Mobile App. Once the app is open the app will start to search for the sensor. Once the uPyxis®... -
Page 16: Datalog Screen For Cr-200
Clear Datalog or to Export & Share as a CSV file. Figure 20. Connect to CR-300 Figure 21. Reading screen Figure 22. Setting screen (top) Figure 23. Setting screen (bottom) Figure 24. Datalog screen for CR-200 CR Series User Manual... -
Page 17: Setup And Calibration With Upyxis® Desktop App
7 Setup and Calibration with uPyxis® Desktop App The default configuration of the CR Series sensor before shipping is to measure the corrosion rate of mild steel. The alloy factor was set to be the theoretical value of i ron. The sensor can be configured for other metals with appropriate alloy factors and the 4–20mA scale settings for general and localized corrosion... -
Page 18: Reading Screen
Figure 26. 7.3 Reading Screen From the Reading Screen, you can view the current corrosion and pitting data as well as the trend data (Figure 27). Figure 27. CR Series User Manual... -
Page 19: Setting Screen
The CR-200 will have an additional Datalog screen (Figure 29). From the Datalog screen, click Read Datalog Info to read in all available datalogs from the device. You may then choose to Clear All Datalogs or to Export as a CSV file. Figure 29. CR Series User Manual... -
Page 20: Communication Using Modbus Rtu
CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: (1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible CR Series User Manual...
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