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VIASYS Vmax Encore - User Manual

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L2707 Rev. A
© 2005 VIASYS
®
Respiratory Care Inc.
Technical Reference Manual
Vmax Encore

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Summary

Document Overview and Safety

Copyright and Trademark Notices

Outlines copyright and trademark information for the document.

Company Information

Provides contact and company details for SensorMedics Corporation.

Precautions

Lists essential safety precautions for device operation and servicing.

Equipment Classification

Details the classification of the equipment as per medical directives.

Chapter 1: Introduction and System Configurations

Vmax Encore Series Overview

Introduces the manual's scope and target audience for Vmax systems.

Vmax Instrument Configurations

Describes the various configurations available for Vmax Encore instruments.

Specific Vmax Encore Models

Details the purpose and components of different Vmax Encore instrument models.

VMAX 62 J;62 W Autobox Body Plethysmograph

Describes the Vmax 62J/62W Autobox, a key component for specific tests.

System Components and Specifications

System Components Overview

Provides a general description of components forming Vmax instruments.

Mass Flow Sensor

Explains the function and working principle of the Mass Flow Sensor.

Breathing Valves

Describes the automated and one-way breathing valves used in the system.

System Components Description

Details various system components like regulators, sensors, and valves.

Vmax Encore Series Specifications

Lists technical specifications for flow, gas measurements, analyzers, and environmental requirements.

Chapter 2: System Description and Block Diagrams

General System Overview

Provides a general overview of Vmax Encore Series instruments' hardware and design.

Main Circuit Boards

Identifies and describes the main circuit boards within the Vmax Encore system.

Main Hardware Devices

Lists the primary hardware devices and their locations in the Vmax Encore 229.

System Block Diagrams

Illustrates system architecture for different Vmax Encore models.

Mass Flow Sensor Board Details

Details the functions and circuitry of the Mass Flow Sensor Board.

Mass Flow Sensor Circuitry

Explains the operational principles and components of the mass flow sensor.

Verification and Calibration Procedures

Verification Procedures

Outlines procedures for verifying system calibration and performance.

Barometric Pressure Circuitry

Describes the signal conditioning circuitry for the barometric pressure sensor.

Analyzer Controller Board

Details the functions of the Analyzer Controller Board.

Pressure Board

Describes the functions of the Pressure Board.

Solenoid Board

Describes the functions of the Solenoid Board.

Chapter 3: Maintenance, Adjustments, and Troubleshooting

Maintenance Procedures

Covers routine maintenance tasks for the instrument and computer.

FRC Syringe Verify Procedure

Details the procedure for verifying Gas Dilution FRC test circuit accuracy.

Lung Volume Standard Calibration

Describes the calibration process using the Lung Volume Standard.

Adjustments

Provides procedures for adjusting system components like pumps and sensors.

System Diagnostics

Explains how to use diagnostics features for troubleshooting and verification.

Transducer Adjustments

Step-by-step guide for adjusting temperature, barometric, mouth, and direction transducers.

Analyzer Control Board Adjustment Procedures

Procedures for performing zero adjustments on analyzer components.

O2 Sensor Replacement

Instructions for safely removing and replacing the O2 sensor.

Analyzer Zero Adjustment Matrix

Quick reference for analyzer zero adjustment potentiometers and voltages.

Balloon Pressure Adjustment Procedure

Step-by-step guide for adjusting balloon pressure settings.

Body Box Calibration Procedure

Details calibration procedures for the V62/62J Autobox system.

Troubleshooting

General guidance and specific steps for diagnosing and resolving instrument problems.

Replacement Parts

Vmax Encore 62 J;62 W Replacement Parts

Lists part numbers for common replacement components for the Vmax Encore 62J/62W.

VIASYS Vmax Encore Specifications

General IconGeneral
ModelVmax Encore
ManufacturerVIASYS Healthcare
System TypePulmonary Function Testing System
Testing CapabilitiesSpirometry, Lung Volumes, DLCO
Spirometry ParametersFVC, FEV1, FEV1/FVC, PEF, FEF25-75%
Lung Volume TechniquesHelium Dilution, Nitrogen Washout
DLCO MethodSingle-breath technique
Data ManagementPatient Database
ConnectivityEthernet
Power Requirements100-240V AC, 50/60Hz