II │ Contents
4 Power supply.........................................................................22
4.1 Suitable disposable/rechargeable battery types .....................22
4.2 Operation with rechargeable batteries ....................................23
4.2.1 Charging...............................................................................23
4.2.2 Rechargeable battery maintenance .....................................24
4.3 Battery alarm...........................................................................25
4.4 Replacing disposable/rechargeable batteries .........................25
5 Maintenance ..........................................................................27
5.1 Device inspection ....................................................................27
5.1.1 General information on the device inspection ......................27
5.1.1.1 Scope................................................................................27
5.1.1.2 Frequency .........................................................................27
5.1.1.3 Documentation..................................................................27
5.1.1.4 Integrated device inspection .............................................28
5.1.1.5 Order.................................................................................29
5.1.1.6 Test gases for the device inspection .................................29
5.1.2 Performing the device inspection .........................................30
5.1.2.1 Accessing the device inspection .......................................30
5.1.2.2 Concluding the device inspection......................................31
5.1.3 Testing the general status ....................................................32
5.1.3.1 Housing.............................................................................32
5.1.3.2 Signals ..............................................................................33
5.1.3.3 Probe.................................................................................33
5.1.3.4 Filter ..................................................................................33
5.1.3.5 Pump.................................................................................33
5.1.4 Testing indication accuracy with supply of fresh air .............34
5.1.5 Testing indication accuracy with supply of test gas..............34
5.2 Adjustment ..............................................................................36
5.2.1 Scope ...................................................................................36
5.2.2 Test gases for the adjustment ..............................................37
5.2.3 Special features of adjustment with gas mixture..................38
5.2.4 Preparation...........................................................................39
5.2.5 Performing the adjustment ...................................................39
5.2.5.1 Adjusting the zero point.....................................................39
5.2.5.2 Adjusting the sensitivity.....................................................40
5.2.6 Performing an oxygen adjustment .......................................41
5.2.6.1 Adjusting the zero point for oxygen...................................41
5.2.6.2 Adjusting the sensitivity for oxygen...................................42
5.3 Servicing .................................................................................43
