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Sensor Circuit Expected Value
Lac A 17.602 to 42.398 nA
sample ground/temperature 36.840 to 37.373°C
d. Press Stop Test.
e. Perform the appropriate action.
If the result . . . Then . . .
is within the expected
value
continue with step 4.
is not within the expected
value
the sensor circuit fails the test. Continue with step 6.
NOTE:ĄĂThe measurement test, which requires approximately 8 minutes to
complete, can effectively evaluate measurement system failures.
4. Install a test/blank sensor:
a. Open the measurement module door.
b. Perform the appropriate action.
If you want to test the . . . Then install the . . .
pO
2
or pCO
2
sensor circuit TB1 test/blank sensor.
pH or Na
+
sensor circuit TB2 test/blank sensor.
K
+
, Ca
++
, or Cl
–
sensor
circuit
TB3 test/blank sensor.
Glu biosensor circuit TB4 test/blank sensor.
Lac biosensor circuit
TB4 test/blank sensor.
c. Close the measurement module door.
5. Perform the Measurement Test:
a. Press
Start Test.
b. Check the screen for a value of –250 to +250 mV for pCO
2
and –450 to
+450 mV for pH and ISE. If required, remove and reinstall the test/blank
sensor until the value is within this range.
c. For all sensor circuits except pO
2
, wait at least 4 minutes after closing the
door.
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