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2 Instrument identification
2.1
Nameplate
Fig. 1 Nameplate
✱
Identify the instrument type by the nameplate and the type designation
2.2
Type designation
STM -RW -2
Basic type
STM
rod thermostat with microswitch
-RW
flue gas temperature monitor (ATW) with changeover
contact
-2
with internal scale
STM -RW -2 /OS Extra code
/OS as STM-RW-2, but microswitch with 2 separate circuits
1 x break contact (n.c.)
1 x make contact (n.o.)
