sewerin EX-TEC PM 4, Operating Instructions Manual

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II
Contents Page
4 Charging and battery operation ...........................................43
4.1 General information on charging and battery operation ..........43
4.1.1 Suitable types of rechargeable and disposable batteries .....43
4.1.1.1 Devices with serial numbers 060 0X and 061 0X ..............43
4.1.1.2 Devices with serial numbers 060 1X and 061 1X ..............44
4.1.2 Setting the rechargeable / disposable battery type .............. 45
4.2 Battery alarm ........................................................................... 45
4.3 Operation with nickel metal hydride rechargeable batteries
(NiMH) .....................................................................................46
4.4 Operation with alkaline non-rechargeable batteries ................ 48
5 Maintenance ..........................................................................49
5.1 Function control ....................................................................... 49
5.2 Testing indication accuracy with test gas ................................ 50
5.3 Adjustment .............................................................................. 52
5.3.1 ppm range ............................................................................ 53
5.3.2 LEL range and % vol. range ................................................. 54
5.3.3 Confirming adjustment ......................................................... 55
5.4 Servicing ................................................................................. 55
5.5 Pump ....................................................................................... 56
5.5.1 Function control of pump ...................................................... 56
5.5.2 Changing the pump filter ...................................................... 57
5.5.3 Changing the sensor filter .................................................... 57
6 Faults ......................................................................................58
7 Technical data........................................................................59
7.1 Features .................................................................................. 59
7.2 Alarm thresholds ..................................................................... 60
7.2.1 Alarm thresholds for gas type methane CH
4
....................... 60
7.2.2 Setting ranges of alarm thresholds for different gas types ... 62
7.3 Response times ......................................................................63
7.4 Sensors ...................................................................................64
7.5 Ranges of use ......................................................................... 65
7.6 Pump capacity ......................................................................... 65
7.7 Power supply ........................................................................... 65
7.8 Dimensions and weight ........................................................... 65
7.9 Technical information ..............................................................66
7.10 Advice on disposal .................................................................. 68