SKF CMDT 391 User Manual
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SKF CMDT 391 User Manual

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SKF QuickCollect Sensor
CMDT 391 / CMDT 391-Ex
User Manual Part No. 15V-090-00090-100
Revision B – March 2020
WARNING! Read this manual before using the product. Failure to follow the
instructions and safety precautions in this manual can result in serious injury, damage
to the product or incorrect readings. Keep this manual in a safe location for future
reference.
User manual

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Summary of Contents for SKF CMDT 391

  • Page 1 User manual SKF QuickCollect Sensor CMDT 391 / CMDT 391-Ex User Manual Part No. 15V-090-00090-100 Revision B – March 2020 WARNING! Read this manual before using the product. Failure to follow the instructions and safety precautions in this manual can result in serious injury, damage to the product or incorrect readings.
  • Page 2 ® SKF is a registered trademark of the SKF Group. Android is a trademark of Google LLC. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by SKF is under license.

  • Page 3: Table Of Contents

    Downloading, Installing and Launching the QuickCollect App Preparing to Take Measurements Taking Measurements Over-the-Air Firmware Updates (OTA) 4-10 Viewing Graphical Measurement Results 4-14 Reporting Measurement Results 4-16 Index i QuickCollect CMDT 391 / CMDT 391-Ex TOC - 1 User Manual – Revision B...

  • Page 5: Introduction

    If the sensor has been dropped, check for damage before using. Sensors must only be serviced by qualified SKF repair personnel. Use only accessories recommended or provided by SKF or the manufacturer. The magnet must only be attached by hand, no mechanical advantage is to be used. Be aware that the use of excessive torque when attaching the magnet can damage the sensor.

  • Page 6: Specific Conditions Of Use

    Bluetooth® instruments (part no. CMDT 391 and CMDT 391-Ex) and the SKF QuickCollect app. In this manual, the sensor instrument is commonly referred to as the QuickCollect sensor, or just the sensor and the companion app as SKF QuickCollect app or just the app.

  • Page 7: Technical Support

    Step-by-step procedures are sequenced using bullet points, •. Technical Support For any questions regarding the installation or operation of SKF products, before contacting the help desk, please visit the self-help portal to see if the answer has already been published: www.skf.com/cm/tsg...

  • Page 9: Skf Quickcollect Sensor

    SKF QuickCollect Sensor SKF QuickCollect Sensor System Overview The SKF QuickCollect sensor is part of the SKF Enlight QuickCollect system, which also includes SKF mobile apps and SKF Machine Health software. This system is used by service, reliability, operations or maintenance personnel as part of a walk-around data collection program.
  • Page 10 The data collected and transferred to the SKF app is displayed on the screen with easy-to-identify colour-coded bars that indicate alarm status: green for acceptable, yellow for alert and red for danger.

  • Page 11: Sensor Controls And Indications

    Figure 2 - 4. The SKF QuickCollect app for mobile devices. Sensor Controls and Indications Figure 2 - 5. Sensor controls and LEDs. Power button Battery LED Communication LED All-purpose check LED Power button – Powers the sensor on and off. When the sensor is off, pressing the power button will immediately turn on the sensor.

  • Page 12: Vibration And Temperature Measurements

    When performing measurements, the sensor s i ratio output is processed to produce two very meaningful vibration measurements for each measurement point. 2 - 4 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 13 Measurement and analysis capabilities – When the sensor is used in conjunction with the SKF ProCollect app and SKF Enlight Centre the available sample rates (bandwidth) and FFT resolution are extended and adjustable. QuickCollect Sensor - Temperature Temperature measurement is a useful indicator of mechanical condition or the load applied to a specific component.
  • Page 14 100 mV/g and a bias voltage to indicate sensor OK. For the connection to the CMDT 391, the correct SKF cable (part no. CMAC 8010) must be used, Figure 2 – 7 below. This a le has a  -pi...

  • Page 15: Calibration, Repair And Disposal

    It is recommended that the QuickCollect sensor be calibrated every 24 months, with the first calibration due 24 months from the first date of in-service, use. SKF can provide calibration and if needed repair/replacement of QuickCollect sensors. Electrical waste and electrical equipment should be recycled as specified by the WEEE- directive and not be placed in the general refuse.

  • Page 17: Using The Quickcollect Sensor

    Charging the Battery The battery should only be charged in an office environment. Always use the correct charger: for the CMDT 391 this is the CMAC 8004 and for the CMDT 391-Ex this is the CMAC 8007. The sensor is equipped with an internal lithium ion battery. Prior to using the sensor for the first time, use the provided power supply to fully charge the sensor battery.

  • Page 18: Measurement Guidelines

    The infrared sensor has a small opening. Dirt, grease or oil may enter the opening and cause inaccurate temperature measurements. If necessary, clean the opening using alcohol and cotton buds. 3 - 2 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...

  • Page 19: Using The Quickcollect Or Procollect Apps

    The QuickCollect sensor can be used with the SKF QuickCollect, DataCollect or ProCollect apps. The operation of the QuickCollect app is described below, for details and guidance regarding the use of the ProCollect app, refer to the SKF ProCollect User Manual (15V- 090-00089-100).

  • Page 20: Preparing To Take Measurements

    Tap within the MACHINE ID text box to bring up a keyboard and enter unique identifying information for the machine (a machine ID or tag reference). 4 - 2 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 21 Alternatively, tap within the Danger and/or the Alert field to bring up a keyboard and enter a threshold value. User-defined levels may be entered. • Tap Done to set all configurations and return to the Settings table. QuickCollect CMDT 391 / CMDT 391-Ex 4 - 3 User Manual – Revision B...
  • Page 22 • Tap Done to set all configurations and return to the Settings table. 4 - 4 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 23 (degrees Celsius or degrees Fahrenheit, indicated above these fields). • Tap Done to set all configurations and return to the Settings table. QuickCollect CMDT 391 / CMDT 391-Ex 4 - 5 User Manual – Revision B...
  • Page 24 • Tap Reset settings to reset all Settings configurations to their defaults. • Tap Done to return to the home screen. 4 - 6 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...

  • Page 25: Taking Measurements

    ➢ If the de i e s Bluetooth feature is ot o , there will be a prompt to turn it on. Tap Settings to navigate to the de i e s Setti gs area and enable Bluetooth. QuickCollect CMDT 391 / CMDT 391-Ex 4 - 7 User Manual – Revision B...
  • Page 26 Figure 4 – 8. Devices table with connected sensor. • To disconnect from the connected sensor, tap or tap to Disconnect sensor select a different sensor. 4 - 8 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 27 Figure 4 – 10. Live reading detail. 1. Reading category 4. Alert threshold 2. Alarm status 5. Danger threshold 3. Overall value 6. Current reading QuickCollect CMDT 391 / CMDT 391-Ex 4 - 9 User Manual – Revision B...

  • Page 28: Over-The-Air Firmware Updates (Ota)

    ➢ Firmware updates (OTA) will be visible only if there is more recent firmware available than that already installed and if the battery percentage is over 50%. Figure 4 – 11. Over-the-air firmware updates available. 4 - 10 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 29 ➢ The time for downloading varies between 2 and 15 minutes. ➢ When downloading, the sensor should be left on and be disconnected from the charger. Figure 4 – 12. Firmware screen QuickCollect CMDT 391 / CMDT 391-Ex 4 - 11 User Manual – Revision B...
  • Page 30 When downloading, progress will be displayed as a percentage. ➢ If an error occurs or if downloading stops, an error message will be displayed. Figure 4 – 13. Download view. 4 - 12 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 31 When the download is complete, the process status will be displayed as Update Succeeded! Figure 4 – 14. Download view. QuickCollect CMDT 391 / CMDT 391-Ex 4 - 13 User Manual – Revision B...

  • Page 32: Viewing Graphical Measurement Results

    QuickCollect collects data and then processes this data to calculate velocity and acceleration envelope. The Measurement Results screen will appear with two View Spectrum options. Figure 4 – 16. Measurement results screen with view spectrum options. 4 - 14 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...
  • Page 33 Tap Live Reading at the top of the Measurement Results screen. The home screen will reload in Live Reading… mode. Repeat all the above steps as necessary to configure, record and report velocity, acceleration enveloping and temperature measurements. QuickCollect CMDT 391 / CMDT 391-Ex 4 - 15 User Manual – Revision B...

  • Page 34: Reporting Measurement Results

    Tap within the To:’ field to bring up a keyboard and enter recipient email addresses. Tap Send to send the report and return to the Measurement Results screen. 4 - 16 QuickCollect CMDT 391 / CMDT 391-Ex User Manual – Revision B...

  • Page 35: Index I

    2-7 specifications, 2-2 DataCollect app, 2-2 support, technical, 1-3 system overview, 2-1 inactivity timer, 2-4 technical support, 1-3 temperature, 2-2 overall vibration, 2-2 velocity, 2-2 QuickCollect CMDT 391 / CMDT 391-Ex i - 1 User Manual – Revision B...

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