User`s guide
M3000A/M3046AM3015A/M3016A Service Guide
4-18 Testing the Instrument
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Test Expected Test Results What to record on service
record
Barometric Pres-
sure Check
X1 = difference between the reference pressure and the
measured ambient pressure displayed on the M3046A
(X1<12 mmHg)
PCO2:P/
X1/X2/X3/X4/X5/
X6/X7/X8
or
PCO2:F/
X1/X2/X3/X4/X5/
X6/X7/X8
P = passed, F = failed
X1: xx (two digits)
X2: x.x
X3: x.x
X4: xxx
X5: x.x
X6: x.x
X7: x.x
X8: x.x
Leakage Check
parts 1 and 2
X2 = Value of part 1 leakage check on Flowmeter
(X2< 4.0 ml/min)
X3 = Value of part 2 leakage check on Flowmeter
(X3< 4.0 ml/min)
Pump Check X4 = difference in pressure between cell pressure and
ambient pressure displayed on the M3046A during occlu-
sion (X4 >120 mmHg)
Flow Check X5 = difference between measured value and 50.0 ml/min
(X5<7.5 ml/min)
Noise Check X6 = Noise Index displayed on M3046A (X6<3.0)
CO
2
Gas Calibra-
tion Check
X7 = difference between measured CO
2
value and calcu-
lated value, based on 5% CO
2
cal. gas. (X7 < 2.6 mmHg)
CO
2
Cal Verifica-
tion
X8 = difference between measured CO
2
value and calcu-
lated value, based on 10% CO
2
cal. gas.
(X8 < ± {0.07 x value calculated})