Fluke VT305 User manual

FBC-0034
January 2013, Rev. 1
© 2013 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
VT305
Gas Flow Analyzer
Users Manual

Warranty and Product Support
Fluke Biomedical warrants this instrument against defects in materials and workmanship for one full 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 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. IN NO EVENT SHALL FLUKE BIOMEDICAL BE LIABLE FOR
CONSEQUENTIAL DAMAGES.
Only serialized products and their accessory items (those products and items bearing a distinct serial number tag) are covered under this
one-year warranty. PHYSICAL DAMAGE CAUSED BY MISUSE OR PHYSICAL ABUSE IS NOT COVERED UNDER THE WARRANTY.
Items such as cables and nonserialized modules are not covered under this warranty.
Recalibration of instruments is not covered under the warranty.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state, province to province, or
country to country. This warranty is limited to repairing the instrument to Fluke Biomedical’s specifications.

Notices
All Rights Reserved
Copyright 2013, 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 [e-mail] or call 1-800- 850-4608 or 1-440-248-9300. In Europe,
email [e-mail] or call [phone].
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.
Returns and Repairs
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-
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] x2564
Email: [email protected]
Everett Calibration Lab
Tel: 1-888-99 FLUKE (1-888-993-5853)
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: [email protected]
To ensure the accuracy of the Product is maintained at a high level, Fluke Biomedical recommends the product be calibrated at least once every
12 months. Calibration must be done by qualified personnel. Contact your local Fluke Biomedical representative for calibration.
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 VT305 Gas Flow Analyzer is manufactured in Switzerland for Fluke Biomedical, 6920 Seaway Blvd., Everett, WA, U.S.A.

i
Table of Contents
Title Page
Introduction.................................................................................................................... 1
Safety Information.......................................................................................................... 1
Responsibility and Warranty .......................................................................................... 3
Intended Use ................................................................................................................. 3
Software and Firmware versions ................................................................................... 4
System Requirements ................................................................................................... 4
Female Users ................................................................................................................ 4
Start Up ......................................................................................................................... 4
Power Supply............................................................................................................ 5
Filter.......................................................................................................................... 5
Flow Channel ............................................................................................................ 6
Differential Pressure ................................................................................................. 6
High Pressure ........................................................................................................... 7
O2Measurement Cell................................................................................................ 7
Controls .................................................................................................................... 7
Electrical Interfaces ....................................................................................................... 9
Operation....................................................................................................................... 10
How to Turn On and Turn Off the Product ................................................................ 10
The Start Screen....................................................................................................... 10
Settings..................................................................................................................... 11

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Users Manual
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Numerical Values ...................................................................................................... 13
Graphical Values....................................................................................................... 13
Filter .......................................................................................................................... 13
How to Save Data ..................................................................................................... 14
Zero-Point Calibration ............................................................................................... 14
Connect the Product ...................................................................................................... 15
Setup for Ventilator Measurements........................................................................... 16
Setup for Precise Flow Measurements ..................................................................... 17
Setup for Dusty or Contaminated Gases................................................................... 18
Setup for High Pressure Gases ................................................................................ 19
Measurement Data ........................................................................................................ 20
Store Measurement Data on the Micro-SD Card ...................................................... 20
How to Connect to the Computer.............................................................................. 20
How to Read the Data on the Computer ................................................................... 21
To Make an Excel File with Saved Values ................................................................ 22
Product Configuration .................................................................................................... 24
Values Configuration................................................................................................. 26
Curves Configuration ................................................................................................ 27
Interface Configuration.............................................................................................. 28
Trigger Configuration ................................................................................................ 29
Miscellaneous Configuration ..................................................................................... 30
How to Setup an Ethernet Connection ...................................................................... 31
Default Ethernet Setup ......................................................................................... 31
Configured and DCHP Ethernet Setup................................................................. 34
O2Sensor ...................................................................................................................... 34
Activation .................................................................................................................. 34
Installation................................................................................................................. 34
Oxygen Sensor Calibration – Air Only....................................................................... 34
Oxygen Sensor Calibration – O2and Air................................................................... 35
Measure Respiratory Data ............................................................................................. 37
General ..................................................................................................................... 37
Connection to the Respiratory Apparatus ................................................................. 39
Standard Trigger Values ........................................................................................... 39
Baseflow ................................................................................................................... 39

Contents (continued)
iii
Find the Correct Trigger Setting................................................................................ 40
Flow Curve Downstream of the Y-Piece .............................................................. 40
Flow Curve Upstream of the Y-Piece ................................................................... 40
Pressure Curve Upstream of the Y-Piece ............................................................ 41
Special Cases........................................................................................................... 41
Inspiration Volume Vti ............................................................................................... 41
Expiration Volume Vte .............................................................................................. 43
Care and Maintenance .................................................................................................. 44
Guidelines for Care and Maintenance....................................................................... 44
Preventive Cleaning and Maintenance ..................................................................... 44
Accessories and Spare Parts ........................................................................................ 45
Ordering Address...................................................................................................... 45
Disposal......................................................................................................................... 46
Specifications ................................................................................................................ 47
Operation Principle of Flow Measurement..................................................................... 51
Dynamic viscosity ..................................................................................................... 51
Density...................................................................................................................... 51
Gas Standard ................................................................................................................ 52
Abbreviations and Glossary........................................................................................... 52
Measured Values and Units........................................................................................... 56
Conversion Factors........................................................................................................ 58

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Users Manual
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v
List of Tables
Table Title Page
1. Symbols ................................................................................................................................ 3
2. Product Parts ........................................................................................................................ 4
3. Front-Panel Controls............................................................................................................. 8
4. Electrical Interfaces .............................................................................................................. 10
5. Settings Screens................................................................................................................... 11
6. Maintenance Tasks............................................................................................................... 45
7. Standard Accessories ........................................................................................................... 46
8. Optional Accessories ............................................................................................................ 46
9. Measured Values and Units.................................................................................................. 56
10. Conversion Factors............................................................................................................... 58

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Users Manual
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vii
List of Figures
Figure Title Page
1. Ports for Power Connection .................................................................................................. 5
2. Flow Channel........................................................................................................................ 6
3. Differential Pressure Ports .................................................................................................... 6
4. High Pressure Ports.............................................................................................................. 7
5. O2Cell .................................................................................................................................. 7
6. Electrical Interfaces .............................................................................................................. 9
7. Start-Up Screen .................................................................................................................... 10
8. Numerical Values Screens.................................................................................................... 13
9. Measured Curves Screens ................................................................................................... 13
10. Saving Data Screen.............................................................................................................. 14
11. Zero Calibration Screen ........................................................................................................ 14
12. Product to Breathing Apparatus Connections ....................................................................... 15
13. Ventilator Connections.......................................................................................................... 16
14. Precise Flow Measurement Connections.............................................................................. 17
15. Filter Use .............................................................................................................................. 18
16. High Pressure Connections .................................................................................................. 19
17. Mass Storage Message ........................................................................................................ 20
18. Micro-SD Card ...................................................................................................................... 20
19. Micro SD Card Files.............................................................................................................. 21
20. Report Data Files.................................................................................................................. 22

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Users Manual
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21. Formatted Excel File of Measurement Data.......................................................................... 23
22. Configuration Utility Web Page ............................................................................................. 25
23. Trigger Values Web Page ..................................................................................................... 26
24. Graphical Screen Configuration Web Page .......................................................................... 27
25. Create Configuration File Web Page .................................................................................... 29
26. Configure Triggers Screen .................................................................................................... 29
27. Miscellaneous Configuration Window ................................................................................... 30
28. Ethernet Connection Screen ................................................................................................. 31
29. Computer Ethernet Setup Windows...................................................................................... 32
30. Ethernet IP Address Properties Form ................................................................................... 33
31. O2Calibration - Apply Air ...................................................................................................... 34
32. O2Calibration Successful Screen ......................................................................................... 35
33. O2Calibration - Apply Oxygen .............................................................................................. 35
34. O2Calibration - Apply Air ...................................................................................................... 35
35. O2Calibration Successful Screen ......................................................................................... 36
36. Protective Cap Removal ....................................................................................................... 36
37. O2Sensor Installation ........................................................................................................... 37
38. Breath Cycle ......................................................................................................................... 38
39. Downstream Flow Curve....................................................................................................... 40
40. Inspiration Duct Upstream Curve .......................................................................................... 40
41. Upstream Pressure Curve..................................................................................................... 41
42. Inspiration Volume ................................................................................................................ 42
43. Expiration Volume................................................................................................................. 43
44. Linear Flow Element ............................................................................................................. 51

1
Introduction
 Warning
To prevent the possibility of personal injury,
read all safety information before you use the
Product.
This manual is applicable for the VT305 (the Product). It is
a compact, portable and easy-to-use measurement
instrument. The Product measures or calculates:
• Flow
• Volume
• Pressure differences
• High pressure
• Barometric pressure
• Oxygen
• Temperature of gas in the measurement chamber
• Breathing rate
• Inspiratory and expiratory time
• Ratios
• Ti/Tcyc
• Breathing volume
• Volumes per minute
• Peak flow
• Pressure
• Static Compliance (Cstat)
• Triggers (used to separate inspiration time from
expiratory time within each breath).
The Product measures and calibrates parameters on
breathing apparatuses.
Safety Information
A Warning identifies conditions and procedures that are
dangerous to the user. A Caution identifies conditions and
procedures that can cause damage to the Product or the
equipment under test.

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Users Manual
2
 Warning
To prevent possible electrical shock, fire, or
personal injury:
•Read all safety Information before you use
the Product.
•Use the Product only as specified, or the
protection supplied by the Product can be
compromised.
•Do not connect the Product to a patient or
equipment connected to a patient. The
Product is intended for equipment analysis
only.
•Do not use the Product for diagnosis,
treatment, or other capacity where the
Product touches a patient.
•Remove the batteries if the Product is not
used for an extended period of time, or if
stored in temperatures above 50 °C. If the
batteries are not removed, battery leakage
can damage the Product.
•Recharge the batteries when the low
battery indicator shows to prevent
incorrect measurements.
•Carefully read all instructions.
•Do not touch voltages > 30 V ac rms, 42 V
ac peak, or 60 V dc.
•Do not use and disable the Product if it is
damaged.
•Do not use the Product if it operates
incorrectly.
•Examine the case before you use the
Product. Look for cracks or missing
plastic. Carefully look at the insulation
around the terminals.
•Use this Product indoors only.

Gas Flow Analyzer
Responsibility and Warranty
3
Table 1 is a list of symbols used in this manual and on the
Product.
Table 1. Symbols
Symbol Definition
Risk of Danger. Important information. See
Manual.
Hazardous voltage
Conforms to relevant North American Safety
Standards.
Conforms to European Union directives

This product complies with the WEEE Directive
(2002/96/EC) marking requirements. The
affixed label indicates that you must not
discard this electrical/electronic product in
domestic household waste. Product Category:
With reference to the equipment types in the
WEEE Directive Annex I, this product is
classed as category 9 "Monitoring and Control
Instrumentation" product. Do not dispose of
this product as unsorted municipal waste. Go
to Fluke’s website for recycling information.
Responsibility and Warranty
The manufacturer assumes no responsibility or warranty,
nor accept liability if the user or third parties:
•Do not use the Product as intended.
•Violates the technical specifications.
•Changes the Product (through unauthorized
modifications, changes, etc.)
•Uses the Product with accessories other than those
shown in the related Product documentation.
Intended Use
This Product is intended to do tests on medical devices or
systems that deliver gas flow and pressure. This includes
ventilators and anesthesia systems.
The intended user is a trained biomedical equipment
technician who does preventative maintenance on medical
equipment. Users are associated with hospitals, clinics,
original equipment manufacturers, and independent
service companies. The end user is an individual, trained
in medical instrumentation technology.
This Product is intended to be used in a laboratory
environment, outside of patient care areas. It is not
intended for use on patients or on equipment connected to
patients. It is intended for over-the-counter use. This
Product is not intended to be used to calibrate medical
equipment.

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Users Manual
4
Software and Firmware versions
This manual is applicable for the Product with software
version 3.1 or higher and hardware version 1.0 or higher.
A product with different versions can operate differently
from this manual.
System Requirements
Your computer must have the minimum requirements
below:
•Microsoft Windows x86 or x64 (64-bit mode support for
IE only)
•1.6 GHz or higher
•512 Mb RAM
•Microsoft Windows, Vista, 7, 7 SP1, Windows Server
2008 SP2, Windows Server 2008 R2 SP1, Windows
Server 2003, XP SP2 and SP3
Female Users
This manual uses the male pronoun “he” for simplicity and
better understanding. This notwithstanding expressly
includes female users as well.
Start Up
Table 2 is a list of parts included with the Product.
Table 2. Product Parts
Name Item
VT305
USB Cable
Power Supply
(power adapter)
Micro-SD 2GB
multi kit
Lock
Bacteria/Dust
Filter
Intlet Pipe

Gas Flow Analyzer
Start Up
5
Power Supply
The Product can be operated from the power supply or the
built-in rechargeable battery.
Use the USB cable to connect the Product to a computer
or the included power supply. The USB port is shown in
Figure 1. You can power the Product through the analog,
USB, and CAN interfaces when you use the appropriate
optional adapters.
A battery symbol shows in the display when the battery
charges. The charge level of the battery is shown in the
battery display screen. A red LED shows in the left side of
the display when the battery is low.
CAN interface
Analog
Interface
USB Port
gyo006.eps
Figure 1. Ports for Power Connection
Connect the power adapter into a mains socket with a
voltage of 100 V ac to 240 V ac at 50 Hz or 60 Hz.
Caution
To prevent damage to the Product, make sure
the mains voltage is in the range specified on
the power adapter nameplate. Use the Product
only with the power adapter supplied with the
Product.
Filter
To prevent damage to the Product from dirt and particles
in the air, use the supplied filters for all flow
measurements. Use the filter to ensure laminar flow.
Laminar flow is necessary to make accurate flow
measurements.
Note
Particles in the air can clog the measurement
system, and cause an error message. Examine
the filter regularly.

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Users Manual
6
Flow Channel
The flow port can be used bidirectionally to measure flow,
volume, chamber gas temperature, oxygen, and pressure
in the flow channel. See the specifications for these
measurement ranges and accuracies. Figure 2 shows the
flow channel on the Product.
Flow
Channel
Flow
Channel
gyo007.eps
Figure 2. Flow Channel
Differential Pressure
The differential pressure connections are used to measure
differential pressure. Figure 3 shows the differential
pressure connections.
Differential
Pressure
gyo008.eps
Figure 3. Differential Pressure Ports