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Fluke Biomedical DPM1B Operator's Manual

Pneumatic transducer tester
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DPM1B
Pneumatic Transducer Tester
Operators Manual
PN 2572314
March 2006, Rev. 1, 4/15
© 2006-2015 Fluke Corporation. All rights reserved. Specifications are subject
to change without notice. All product names are trademarks of their respective
companies.

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Summary of Contents for Fluke Biomedical DPM1B

  • Page 1 DPM1B Pneumatic Transducer Tester Operators Manual PN 2572314 March 2006, Rev. 1, 4/15 © 2006-2015 Fluke Corporation. All rights reserved. Specifications are subject to change without notice. All product names are trademarks of their respective companies.
  • Page 2 Fluke Biomedical. This warranty does not apply if the product has been damaged by accident or misuse or as the result of service or modification by other than Fluke Biomedical.
  • Page 3 Return Procedure All items being returned (including all warranty-claim shipments) must be sent freight- prepaid to our factory location. When you return an instrument to Fluke Biomedical, we recommend using United Parcel Service, Federal Express, or Air Parcel Post. We also recommend that you insure your shipment for its actual replacement cost.
  • Page 4 Fluke Biomedical. Changes made to the information in this document will be incorporated in new editions of the publication. No responsibility is assumed by Fluke Biomedical for the use or reliability of software or equipment that is not supplied by Fluke Biomedical, or by its affiliated dealers.

  • Page 5: Table Of Contents

    Tester Familiarization ............6 Front Panel ..............6 Back Panel ..............7 Accessories ............... 7 Operation Overview ............8 Operating the DPM1B ............ 8 Setup ................8 Zeroing the Monitor and Tester ........9 Pressure Measurement ..........10 Testing Transducer Linearity ..........11 Transducer Sensitivity Test ..........
  • Page 6 DPM1B Operators Manual...
  • Page 7 List of Tables Table Title Page Symbols ................3 Accessories ............... 7 Multiplication Factors ............13...
  • Page 8 DPM1B Operators Manual...
  • Page 9 List of Figures Figure Title Page DPM1B Front Panel ............7 DPM1B to Monitor Setup ........... 9 DPM1B Vented to Atmosphere ......... 10 DPM1B Configured to Apply Pressure to Transducer ..11 Sample Plot of Transducer Linearity Using the DPM1B ... 12...
  • Page 10 DPM1B Operators Manual...

  • Page 11: Introduction

    Introduction This document is the Operators manual for the DPM1B Pneumatic Transducer Tester (hereafter “the Tester”). It contains general information about the Tester, a description of its components and instructions or documentation required to service the unit. If a problem develops, the user should contact Fluke Biomedical.
  • Page 12 DPM1B Operators Manual • The battery door must be closed and locked before you operate the Product. • Replace the battery when the low battery indicator shows to prevent incorrect measurements. • Use the correct terminals, function, and range for measurements.

  • Page 13: Symbols

    Pneumatic Transducer Tester Introduction Symbols Table 1 is a list of symbols found in this manual or on the Tester. Table 1. Symbols Symbol Description  Risk of Danger. Important information. See Manual.  Conforms to European Union directives  Conforms to relevant Australian EMC standards ...

  • Page 14: Applications

    DPM1B Operators Manual The Tester has the following features: Easy-to-read liquid crystal display (LCD) • Capable of measuring and generating positive and negative • pressures Lightweight and portable • Operates with air or liquid • An easily accessible knob for zeroing the unit •...

  • Page 15: Specifications

    Pneumatic Transducer Tester Specifications the transducer. Unfortunately, manometers can add significant errors themselves, because of the difficulty in interpreting the liquid level in the column. This affects the calibration of and subsequent determination of the liquid height. The critical nature of invasive blood pressure measurement requires a properly calibrated monitoring system capable of linear operation over a wide range of pressure levels.

  • Page 16: Tester Familiarization

    DPM1B Operators Manual Electromagnetic Compatibility (EMC) International ............IEC 61326-1: Portable CISPR 11: Group 1, Class A Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself.

  • Page 17: Back Panel

    Luer Lock Connection Site Thumbwheel ehf1.eps Figure 1. DPM1B Front Panel Back Panel The back panel of the Tester houses the storage compartment for the 9 V alkaline battery. Accessories Table 2 is a list of accessories available for the Tester.

  • Page 18: Operation Overview

    A conversion table is found in Multiplication Factors section that quickly provides the multiplication factors to compare various units of measure. Operating the DPM1B Occasionally a blood pressure transducer under test may not have the sensitivity specified by the manufacturer of the monitor the transducer under test is connected to.

  • Page 19: Zeroing The Monitor And Tester

    Filter BP Input ehf2.eps Figure 2. DPM1B to Monitor Setup 3. When the system is to be filled with liquid, position Stopcock 1 as shown in Figure 2. 4. Attach a liquid-filled syringe to the top port of Stopcock 2.

  • Page 20: Pressure Measurement

    4. Compare the LCD reading on the Tester to the monitor reading to determine the accuracy of the measurement system. Note If the system appears to be losing pressure, carefully check all fittings and connections. DPM-1B Filter Test Transducer Vent Port ehf3.eps Figure 3. DPM1B Vented to Atmosphere...

  • Page 21: Testing Transducer Linearity

    Test Transducer Vent Port ehf4.eps Figure 4. DPM1B Configured to Apply Pressure to Transducer Testing Transducer Linearity Several measurements are required to determine if a transducer is linear over a range of pressure. See Figure 5 for a sample plot of transducer linearity determined by using the Tester Pneumatic Transducer Tester.

  • Page 22: Transducer Sensitivity Test

    Step 3. If the readings from Step 2 are within the range calculated in Step 3, the transducer is within the manufacturer’s specifications. Linear Plot DPM-1B Readings (mmHg) Nonlinear Plot Monitor Readings(mmHg) ehf5.eps Figure 5. Sample Plot of Transducer Linearity Using the DPM1B...

  • Page 23: Testing Other Devices

    Pneumatic Transducer Tester Testing Other Devices Testing Other Devices A variety of pressure-measuring and pressure-generating devices can be tested using the Tester. The Tester can be used as a pressure standard to easily test water manometers, mercury manometers, and sphygmomanometers. Set up the system as described in the section titled Pressure Measurement.

  • Page 24: Maintenance

    • Have an approved technician repair the Product. Cleaning Outside Surfaces The DPM1B outside surfaces can be cleaned with a cloth dampened with water and mild detergent or alcohol. Battery Replacement The battery compartment of the Tester is found in the rear panel of the tester.

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