Service manual

IQmark Digital Spirometer Operation Manual
93
L. Technical Service Manual
Service Manual Introduction
The IQmark Digital Spirometer is a PC based diagnostic instrument that converts an
Windows based personal computer to a diagnostic Spirometer with interpretative and data
storage capabilities. A complete IQmark Digital Spirometry system usually consists of the
Spirometer data acquisition module (handle), the PC system, which includes a monitor and a
printer, one of the Microsoft Windows operating systems (Windows 2000, Windows XP or
Windows Vista), and the IQmark Workstation software program. Additional testing
modalities such as the IQmark Digital ECG and Vital Statistics acquisition devices can be
incorporated simultaneously utilizing the IQmark Diagnostic Workstation software.
This section is provided to assist with the troubleshooting of some commonly experienced
problems and service of the IQmark Digital Spirometer data acquisition module. For
information regarding the service and operation of the PC system you have selected, consult
the documents provided by your PC manufacturer.
Temp Sensor
IC Pressure
Transducer
Diff Amp
Handle
Orientation
Compensation
Ckt.
16 Bit A/D
Temperature
Sensing Circuit
Power
Supply
+5, +5 Ref,
+2.5 Ref
Micro
Controller
Battery In
Serial Port
Controller
Serial Data Out
To Com
Port
Power
On / Off
Flow Sensor / Mouth Piece
Low
Battery
Sensor
Ckt.
Block Diagram
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