8) CONNECTING THE TEST PRESSURE GAUGE TO THE STERILIZER: Disconnect the black tubing from Pressure Sensor and from the barb fitting.
Keep black tubing in a safe place for re-installation upon completion of calibration procedure. Then connect the RPI Test Pressure Gauge to
pressure sensor and the barb fitting – secure using clamps. (Important: See Notes 1 and 2 below. See illustration on page 8.)
9) Press the START button to initiate a test calibration cycle and then wait until the temperature on the TEMP (˚F) / TIME (MIN: SECONDS) display
reaches 272 - 273˚F (133 -134˚C). From a cold start, the wait should be about 9-10 minutes.
10) PRESSURE RANGE ADJUSTMENT (Potentiometer #2): Turn the adjusting screw of the pressure range potentiometer, #2 (see Figures 2 and 3,
pages 13-14) in the clockwise or counter-clockwise direction until the reading on the PRESSURE (psi) display matches the reading of the Test
Pressure Gauge within a tolerance of +/- O.5 psi (3.5 kPa).
11) Check the multi-meter reading, it must still read 2.550 VDC, +/- 0.001 VDC.
12) Press the STOP button to end the test calibration cycle and let the sterilizer vent.
13) Disconnect the power cord from the A.C. outlet, then remove the multi-meter leads from test points A and B (see Figures 2 and 3, page 13-14).
14) Open the sterilizer door and remove the Max-Register Thermometer (RPI Part #RPT113) from the sterilizer tray. Verify that the chamber
temperature has reached 272-273˚F (133-134˚C).
15) Repeat Steps #3 and #4 of this procedure (see page 10-11). The display must read 0.1 psi (1 kPa) with the sterilizer door open. If it does not,
repeat Calibration Procedure starting with Step #4, page 11.
16) Disconnect the power cord from the A.C. outlet. Remove the Test Pressure Gauge from the sterilizer. Using new cable ties, re-install the original
black tubing removed in Step #8. Re-install right hand side panel.
17) Run a final test cycle and use Max-Register Thermometer (RPI Part #RPT113) to confirm chamber temperature.
5.0 - CALIBRATION PROCEDURE - PRESSURE/TEMPERATURE POTENTIOMETER ADJUSTMENTS (continued)
12
NOTES: 1) CAUTION Place and tighten the hose Kwik Clamps™ on the fittings in order to secure the hose (see illustration, page 8). 2) After disconnecting Test Pressure
Gauge from the sterilizer, reconnect the black tubing to Pressure Sensor and tube fitting using new hi-temp cable ties (see illustration, page 8).
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