Fluke VT Plus HF User manual

VT Plus HF
Gas Flow Analyzer
Operators Manual
PN 2137275
May 2008, Rev. 1
© 2008 Fluke Corporation, All rights reserved. Printed in USA. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.

Warranty and Product Support
Fluke Biomedical warrants this instrument against defects in materials and workmanship
for one year from the date of original purchase. During the warranty period, we will
repair or at our option replace, at no charge, a product that proves to be defective,
provided you return the product, shipping prepaid, to Fluke Biomedical. This warranty
covers the original purchaser only and is not transferable. The warranty does not apply if
the product has been damaged by accident or misuse or has been serviced or modified by
anyone other than an authorized Fluke Biomedical service facility. NO OTHER
WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR PURPOSE, ARE
EXPRESSED OR IMPLIED. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL,
INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES,
INCLUDING LOSS OF DATA, ARISING FROM ANY CAUSE OR THEORY.
This warranty covers only serialized products and their accessory items that bear a
distinct serial number tag. Recalibration of instruments is not covered under the warranty
This warranty gives you specific legal rights and you may also have other rights that vary
in different jurisdictions. Since some jurisdictions do not allow the exclusion or limitation
of an implied warranty or of incidental or consequential damages, this limitation of
liability may not apply to you. If any provision of this warranty is held invalid or
unenforceable by a court or other decision-maker of competent jurisdiction, such holding
will not affect the validity or enforceability of any other provision.
07/07

Notices
All Rights Reserved
©Copyright 2008, Fluke Biomedical. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language without the written permission of Fluke Biomedical.
Copyright Release
Fluke Biomedical agrees to a limited copyright release that allows you to reproduce manuals and other printed materials for use in
service training programs and other technical publications. If you would like other reproductions or distributions, submit a written
request to Fluke Biomedical.
Unpacking and Inspection
Follow standard receiving practices upon receipt of the instrument. Check the shipping carton for damage. If damage is found, stop
unpacking the instrument. Notify the carrier and ask for an agent to be present while the instrument is unpacked. There are no special
unpacking instructions, but be careful not to damage the instrument when unpacking it. Inspect the instrument for physical damage such
as bent or broken parts, dents, or scratches.
Technical Support
For application support or answers to technical questions, either email [email protected] or call 1-800- 850-4608 ext
2560 or 1-440-498-2560.
Claims
Our routine method of shipment is via common carrier, FOB origin. Upon delivery, if physical damage is found, retain all packing
materials in their original condition and contact the carrier immediately to file a claim. If the instrument is delivered in good physical
condition but does not operate within specifications, or if there are any other problems not caused by shipping damage, please contact
Fluke Biomedical or your local sales representative.
Standard Terms and Conditions
Refunds and Credits
Please note that only serialized products and their accessory items (i.e., products and items bearing a distinct serial number
tag) are eligible for partial refund and/or credit. Nonserialized parts and accessory items (e.g., cables, carrying cases,
auxiliary modules, etc.) are not eligible for return or refund. Only products returned within 90 days from the date of original
purchase are eligible for refund/credit. In order to receive a partial refund/credit of a product purchase price on a serialized product, the
product must not have been damaged by the customer or by the carrier chosen by the customer to return the goods, and the product
must be returned complete (meaning with all manuals, cables, accessories, etc.) and in “as new” and resalable condition. Products not
returned within 90 days of purchase, or products which are not in “as new” and resalable condition, are not eligible for credit return and
will be returned to the customer. The Return Procedure (see below) must be followed to assure prompt refund/credit.
Restocking Charges
Products returned within 30 days of original purchase are subject to a minimum restocking fee of 15 %. Products returned in excess of
30 days after purchase, but prior to 90 days, are subject to a minimum restocking fee of 20 %. Additional charges for damage and/or
missing parts and accessories will be applied to all returns.
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. Fluke Biomedical will not be responsible for lost shipments
or instruments that are received in damaged condition due to improper packaging or handling.
Use the original carton and packaging material for shipment. If they are not available, we recommend the following guide for
repackaging:
Use a double-walled carton of sufficient strength for the weight being shipped.
Use heavy paper or cardboard to protect all instrument surfaces. Use nonabrasive material around all projecting parts.
Use at least four inches of tightly packed, industry-approved, shock-absorbent material around the instrument.
Returns for partial refund/credit:
Every product returned for refund/credit must be accompanied by a Return Material Authorization (RMA) number, obtained from our
Order Entry Group at 1-800- 850-4608 ext 2560 or 1-440-498-2560.

Repair and calibration:
To find the nearest service center, go to www.flukebiomedical.com/service, or
In the U.S.A.:
Cleveland Calibration Lab
Tel: [phone]
Email: [email protected]
Everett Calibration Lab
Tel: [phone]
Email: [email protected]
In Europe, Middle East, and Africa:
Eindhoven Calibration Lab
Tel: [phone]
Email: [email protected]
In Asia:
Everett Calibration Lab
Tel: [phone]
Email: mailto:[email protected]
Certification
This instrument was thoroughly tested and inspected. It was found to meet Fluke Biomedical’s manufacturing specifications when it
was shipped from the factory. Calibration measurements are traceable to the National Institute of Standards and Technology (NIST).
Devices for which there are no NIST calibration standards are measured against in-house performance standards using accepted test
procedures.
WARNING
Unauthorized user modifications or application beyond the published specifications may result in electrical shock hazards or
improper operation. Fluke Biomedical will not be responsible for any injuries sustained due to unauthorized equipment
modifications.
Restrictions and Liabilities
Information in this document is subject to change and does not represent a commitment by 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.
Manufacturing Location
The VT PLUS HF Gas Flow Analyzer is manufactured in Everett, Washington by Fluke Biomedical, 6920 Seaway Blvd.,
Everett, WA, U.S

i
Table of Contents
Chapter Title Page
1 Introduction and Specifications......................................................... 1-1
Introduction........................................................................................................ 1-3
Key Features ...................................................................................................... 1-3
Unpacking and Inspection.................................................................................. 1-3
General Safety Considerations........................................................................... 1-4
Symbols ......................................................................................................... 1-4
Warnings and Cautions.................................................................................. 1-4
Instrument Familiarity ....................................................................................... 1-5
Front Panel..................................................................................................... 1-6
Right Panel .................................................................................................... 1-6
Rear Panel...................................................................................................... 1-7
Left Panel....................................................................................................... 1-7
Front Panel Details ........................................................................................ 1-8
Specifications..................................................................................................... 1-10
General Specifications................................................................................... 1-10
Performance Specifications ........................................................................... 1-11
Breath Parameter Accuracy Specifications ................................................... 1-12
Accessories ........................................................................................................ 1-14
2 Connection and Setup ........................................................................ 2-1
Connecting the Analyzer ................................................................................... 2-3
Pneumatic Connections ................................................................................. 2-3
High Flow (Inlet and Exhaust).................................................................. 2-3
Low Flow (Inlet and Exhaust)................................................................... 2-3
High Pressure (+ and -) ............................................................................. 2-3
Low Pressure (+ and -).............................................................................. 2-4
Test System Setup ......................................................................................... 2-4
Bi-directional Flow Mode ......................................................................... 2-4
Unidirectional Flow Mode ........................................................................ 2-5
Printer Cable Attachment .............................................................................. 2-6
Using the Setup Screen ...................................................................................... 2-7
Setting Testing Parameters ................................................................................ 2-7
Gas Settings................................................................................................... 2-8
Gas Type ................................................................................................... 2-8

VT Plus HF
Operators Manual
ii
Gas Temperature ....................................................................................... 2-9
Ambient Temperature ............................................................................... 2-9
Relative Humidity ..................................................................................... 2-9
Correction Mode............................................................................................ 2-10
Barometric Pressure....................................................................................... 2-10
Breath Detection............................................................................................ 2-11
Inspiratory/Expiratory Tidal Volumes........................................................... 2-12
Zero Mode ..................................................................................................... 2-12
Setting Analyzer Operating Parameters............................................................. 2-13
Time............................................................................................................... 2-13
Date ............................................................................................................... 2-14
Date Format ................................................................................................... 2-14
Demo Data..................................................................................................... 2-14
Filtering ......................................................................................................... 2-15
Display Calibration Date on Startup Screen.................................................. 2-15
Serial Mode ................................................................................................... 2-15
Printer Options............................................................................................... 2-16
Printer Type............................................................................................... 2-16
Graphics .................................................................................................... 2-17
Audio Levels ................................................................................................. 2-17
General ...................................................................................................... 2-17
Keypad ...................................................................................................... 2-17
Errors......................................................................................................... 2-18
Restore Defaults ............................................................................................ 2-18
Utilities .............................................................................................................. 2-20
Oxygen Sensor Calibration............................................................................ 2-20
System Diagnostics ....................................................................................... 2-21
Linearization.................................................................................................. 2-21
Unlock Calibration ........................................................................................ 2-22
Information ........................................................................................................ 2-22
3 Operation ............................................................................................. 3-1
Measured Signals............................................................................................... 3-3
High Flow...................................................................................................... 3-3
Low Flow ...................................................................................................... 3-3
Airway Pressure............................................................................................. 3-3
Low Pressure ................................................................................................. 3-3
Barometric Pressure....................................................................................... 3-4
High-Pressure Measurement.......................................................................... 3-4
Oxygen Concentration................................................................................... 3-4
Calculated Breath Parameters........................................................................ 3-4
Screen Objects ................................................................................................... 3-6
Title Bar......................................................................................................... 3-7
Data Plots ...................................................................................................... 3-7
Breath Parameters.......................................................................................... 3-7
Breath Detection Icons .................................................................................. 3-8
Instantaneous Numeric Data.......................................................................... 3-9
Statistics......................................................................................................... 3-9
Selecting Breath Parameters .............................................................................. 3-10
Flow Screens...................................................................................................... 3-11
High-Flow Screen.......................................................................................... 3-11
Low-Flow Screen .......................................................................................... 3-12
Pressure Screens ................................................................................................ 3-13
High-Pressure Screen .................................................................................... 3-13

Contents (continued)
iii
Low Pressure Screen ..................................................................................... 3-14
Airway Pressure Screen................................................................................. 3-15
Volume Screen................................................................................................... 3-16
Oxygen Screen................................................................................................... 3-17
Full Breath Parameters Test Screen................................................................... 3-18
Monitor Screen .................................................................................................. 3-19
Units of Measure................................................................................................ 3-20
Special Functions............................................................................................... 3-21
Trend Test...................................................................................................... 3-21
Leak Test ....................................................................................................... 3-24
Stacked Volume Test..................................................................................... 3-27
RT200 Emulation Mode ................................................................................ 3-28
Assist Test ..................................................................................................... 3-31
High Frequency Oscillator Mode .................................................................. 3-32
4 Remote Operation ............................................................................... 4-1
Getting Started ................................................................................................... 4-3
System Requirements .................................................................................... 4-3
Connecting to the Analyzer ........................................................................... 4-3
Installing the Software................................................................................... 4-3
Starting the Software ..................................................................................... 4-4
Overview of VT for Windows PC Software...................................................... 4-5
Menu Bar ........................................................................................................... 4-6
Toolbar............................................................................................................... 4-8
Main Screens and Tests ..................................................................................... 4-9
Monitor Screen .............................................................................................. 4-9
Single Plot Screen.......................................................................................... 4-10
Loop Screen................................................................................................... 4-11
Full Test Screen............................................................................................. 4-12
Trend Test...................................................................................................... 4-12
Leak-Test....................................................................................................... 4-16
Stacked Volume Test Screen......................................................................... 4-18
Serial Communications...................................................................................... 4-20
Selecting COM Port ...................................................................................... 4-20
Selecting the Serial Communications Mode ................................................. 4-20
Data and File Handling ...................................................................................... 4-21
Events ............................................................................................................ 4-21
Opening and Closing Data Files.................................................................... 4-22
File Control Interface .................................................................................... 4-23
Playback Controls ..................................................................................... 4-24
Event Markers ........................................................................................... 4-25
File Information Panel............................................................................... 4-26
Event Panel ............................................................................................... 4-26
Generating Signal (.sig) Files ........................................................................ 4-26
Generating Parameter (.par) Files.................................................................. 4-26
Report Printing................................................................................................... 4-27
Operating System Loading ................................................................................ 4-27
Plots ................................................................................................................... 4-28
Automatically Re-scaling Plots ..................................................................... 4-28
Manually Re-scaling Plots............................................................................. 4-28
Signal Selection ............................................................................................. 4-29
Zeroing............................................................................................................... 4-30
Manual Zeroing ............................................................................................. 4-30
Automatic Zeroing......................................................................................... 4-30

VT Plus HF
Operators Manual
iv
Other Setup Functions ....................................................................................... 4-31
Breath Detect ................................................................................................. 4-31
Breath Detect Threshold................................................................................ 4-31
Gas Settings................................................................................................... 4-31
Barometric Pressure....................................................................................... 4-34
5 Maintenance, Service, and Calibration.............................................. 5-1
Maintenance....................................................................................................... 5-3
Avoiding Damage.......................................................................................... 5-3
Cleaning......................................................................................................... 5-3
Oxygen Sensor Replacement ............................................................................. 5-3
Fuse Replacement .............................................................................................. 5-4
Service and Calibration...................................................................................... 5-5
Appendices
A Gas Analyzer Tutorial ................................................................................. A-1
B Error Messages............................................................................................ B-1
C Troubleshooting .......................................................................................... C-1

v
List of Tables
Table Title Page
1-1. Symbols.................................................................................................................. 1-4
1-2. Front Panel Components ........................................................................................ 1-6
1-3. Right Panel Components........................................................................................ 1-6
1-4. Back Panel Components ........................................................................................ 1-7
1-5. Left Panel Components .......................................................................................... 1-7
1-6. Front Panel Functions ............................................................................................ 1-8
1-7. Breath Parameter Accuracy Specifications ............................................................ 1-13
1-8. Standard Accessories ............................................................................................. 1-14
1-9. Optional Accessories.............................................................................................. 1-15
2-1. Gas Type Values .................................................................................................... 2-8
2-2. Breath Detection Options....................................................................................... 2-11
2-3. Serial Port Options ................................................................................................. 2-15
2-4. Factory Defaults ..................................................................................................... 2-18
3-1. Parameters Calculated by the Analyzer ................................................................. 3-5
3-2. Display Components .............................................................................................. 3-6
3-3. Breath Detection Icons........................................................................................... 3-8
3-4. Available Units of Measure.................................................................................... 3-20
3-5. Available Conversion Factors ................................................................................ 3-21
3-6. Supported RT200 Functions................................................................................... 3-29
4-1. Elements of the VT for Windows Interface ........................................................... 4-6
4-2. Menu Bar Options .................................................................................................. 4-7
4-3. Setup Submenu Options......................................................................................... 4-7
4-4. Toolbar Buttons...................................................................................................... 4-8
4-5. Data Types ............................................................................................................. 4-21
4-6. Generated File Types ............................................................................................. 4-21
4-7. Playback Controls .................................................................................................. 4-24
B-1. Error Messages....................................................................................................... B-1
C-1. Troubleshooting ..................................................................................................... C-1

VT Plus HF
Operators Manual
vi