Dräger Perseus A500 Instructions For Use Manual page 218

Service
6 Check the accuracy of the gas measurement
based on a certified test gas concentration:
– Anesthetic gas measurement:
Isoflurane, 1 Vol%
Sevoflurane, 1 Vol%
Accuracy ±0.35 Vol%
– N O measurement, 70 Vol%
2
Accuracy ±7.6 Vol%
– CO measurement, 5 Vol%
2
Accuracy ±0.83 Vol%
7 Check the accuracy of the O
– Ambient air 21 Vol%
Accuracy ±3 Vol%
– 100 Vol%
Accuracy –5 Vol%
8 Check the sample gas flow of the patient-gas
measurement module:
– Accuracy 200 ±20 mL/min
9 Check the patient gas measurement module
for leakage:
– Leakage at –200 hPa (cmH
– <20 hPa/min (cmH
10 Check the non-return valve of the central gas
supply for leakage:
– Leakage ≤20 mL/min
11 Check the operational readiness by means of a
system test.
12 Optional: Check the accuracy of the pressure
gauge for the internal breathing system:
– Accuracy 30 hPa (cmH
(cmH O)
2
13 Optional: Check the external cylinder pressure
reducers
– Annually: Relief valve
7.5 to 8 kPa x 100
– Every 6 years: output pressure
5 to 6 kPa x 100
14 Optional: Check the functional integrity of the
safety sensor.
15 Optional: Check the functional integrity of the
service cart.
218
measurement:
2
O)
2
O/min)
2
O) ±10 hPa
2
Instructions for use Perseus A500 SW 2.0n