Welch Allyn Propaq Encore, Service Manual

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Calibration
Introduction
This section provides calibration procedures for the Propaq Encore. These procedures
allow you to calibrate the Encore to Welch Allyn factory specifications. Calibrations
procedures should be performed only by qualified service personnel.
Calibration procedures must be performed whenever a question arises as to the
performance of the Encore, and as indicated in
“Overview” on page 5.
Functional verification procedures ( “Functional Verification” on page 11) verify that the
monitor is performing to its specifications. A functional verification must follow the
calibration.
Equipment Needed
You will need the following equipment to calibrate the Propaq Encore monitor. Part
numbers are given for equipment available from Welch Allyn.
Note Respiration, temperature, printer, and SpO
2
options do not require calibration.
Sidestream CO
2
has no user-performable calibration. After replacement of any
modules to support service of these options, perform a functional verification for
those associated modules.
The mainstream CO
2
circuitry should be calibrated only if it fails the functional
verification procedure AND you have eliminated all possible faults as listed in the
table .
Note
All test equipment must be calibrated to function within parameters specified by
the manufacturer, and be traceable to a national calibration standard.
Table 10. Required Equipment
Description
Digital multimeter (DMM), 4 1/2 digit, Fluke 805A or equivalent
50MHz triggered sweep oscilloscope, Tektronix 2225 or equivalent
Variable dc power supply, 0-28V, 3A, VIZ WP-715A or equivalent
Patient simulator, Dynatech/Nevada 213A, 214A, 215A, or 217A with temperature and
EGG cable/leads
0 to 300mmHg digital pressure meter with bulb (Netech, Digamano, or equivalent)
Invasive blood pressure (IBP) simulator, 5
μ/
V/mmHg, Fogg Systems BP48C, BP28, or
MDE Datasim 6000, with IBP cables