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PendoTECH
PressureChecker™
Model PDKT-650-950
Revision 1
www.pendotech.com
User Guide

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Summary of Contents for PendoTECH PressureChecker PDKT-650-950

  • Page 1 PendoTECH PressureChecker™ Model PDKT-650-950 Revision 1 www.pendotech.com User Guide...
  • Page 2 The information in this User Guide is believed to be accurate and reliable for use and operation of the monitor, however, PendoTECH assumes no responsibility for the use of this product except for what is covered in the Limited Warranty and Terms and Condition of Sale.
  • Page 3: Table Of Contents

    Power Supply and Low Battery Indicator ................... 13 3.2. Precision Pressure Transducer ....................13 3.3. Display ............................13 3.4. Pressure Generating Cylinder ..................... 13 APPENDIX A: PRODUCT WARRANTY ................. 14 PENDOTECH LIMITED WARRANTY ..................14 APPENDIX B: Service Information .................... 15 Page 3/15...
  • Page 4: Overview Of The Pressurechecker

    PendoTECH Pressure Sensors are also frequently used on single use bioreactors to measure pressure in the bag. The required resolution is often less than 1 psi and the PressureChecker has the readability and ability to regulate pressure in this range.
  • Page 5: Key Features

    PendoTECH PressureChecker User Guide Revision 1 1.1. Key Features The PressureChecker incorporates a specially designed pressure cylinder and precision solid-state transducer for generating and measuring static pressure from -7 to +10.5 psi. The adjustment knob is used to regulate the pressure, and the pressure value is shown on the liquid crystal display. A built-in pneumatic port provides the external connection for fittings to connect to the sensor test port.
  • Page 6: Specifications

    PendoTECH PressureChecker User Guide Revision 1 The control functions are on the right side panel as shown below: Zero Adjustment ON / OFF Adjustment Knob Switch 1.2.2.Specifications Page 6/15...
  • Page 7: Theory Of Operation

    The pressure sensor simulator, which is housed inside PressureChecker’s monitor connector, is a pressure sensor of the same type as that used in the PendoTECH Single User Pressure Sensor . When using the exclusive simulator feature of the PressureChecker, the pressure sensor is replaced with a device having the same operating characteristics and not with a device which “simulates”...
  • Page 8: Using The Device

    30 psi. Beyond the 30 psi, there is a non-linear output that both the PressureMAT and PendoTECH Control Systems can interpret and display the actual pressure reading. Regardless, the PressureChecker only can be used in its specified range which is below 30 psi.
  • Page 9 PendoTECH PressureChecker User Guide Revision 1 d. When both the monitor and PressureChecker read zero, position the stop cock as shown and the sensor and setup is ready for testing: WARNING: IF THE SYSTEM APPEARS TO BE LOSING PRESSURE, CAREFULLY CHECK ALL FITTINGS AND CONNECTIONS WARNING: DURING THIS TESTING DO NOT EXCEED +7 PSI OR THE SENSOR UNDER TEST MAY BE DAMAGED.
  • Page 10 PendoTECH PressureChecker User Guide Revision 1 5. Interpretation of Results Determining if a pressure sensor it accurate requires only one measurement at a known amount of applied pressure. This involves the following steps: a. Apply a pressure from -6 psi to +6 psi as indicated on the PressureChecker display b.
  • Page 11: Using As A Monitor Simulator To Test A Monitor

    The pressure sensor simulator, which is housed inside PressureChecker’s monitor connector, is a pressure sensor of the same type as that used in the PendoTECH Single User Pressure Sensor. When using the exclusive simulator feature of the PressureChecker, the pressure sensor is replaced with a device having the same operating characteristics and not with a device which “simulates”...
  • Page 12 If the readings differ by more than allowable, first replace the monitor cable to make sure it is not faulty. If this is not the problem, it may be the monitor and contact PendoTECH for further assistance (see Appendix B). Page 12/15...
  • Page 13: Key System Components

    PendoTECH PressureChecker User Guide Revision 1 3. Key System Components 3.1. Power Supply and Low Battery Indicator The solid state electronics of the PressureChecker are powered by a 9 volt alkaline battery. Because it uses CMOS circuitry, a 9 volt alkaline battery will last over a year in normal use. A low battery indicator is activated to alert the user when battery voltage drops below 7.2 VDC.
  • Page 14: Appendix A: Product Warranty

    FROM USAGE OF TRADE, COURSE OF DEALING OR PERFORMANCE. PendoTECH, LLC makes no warranty or representation regarding whether or not a customer’s end use of any PendoTECH product, system or good infringes the valid intellectual property rights of others. LIMITATION OF REMEDY AND LIABILITY: SELLER SHALL NOT BE LIABLE FOR DAMAGES CAUSED BY DELAY IN PERFORMANCE. THE SOLE AND EXCLUSIVE REMEDY FOR BREACH OF WARRANTY HEREUNDER SHALL BE LIMITED TO REPAIR, CORRECTION OR REPLACEMENT UNDER THE LIMITED WARRANTY.
  • Page 15: Appendix B: Service Information

    Revision 1 APPENDIX B: Service Information A PressureChecker which is under warranty must be returned to PendoTECH for repair. If out of warranty, the user should call PendoTECH for over-the-phone assistance and our service staff will help determine if the should be returned for repair.

This manual is also suitable for:

Pressurechecker pdkt-650-905

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