2. Safety
Model
Serial number
Information on version (measuring element, measuring range ...)
Sensor in accordance with standard (resistance thermometer)
EN
No marking = Standard
Sensor in accordance with standard (thermocouple)
ungrounded
■
grounded
■
Transmitter model (only for design with transmitter)
Year of manufacture
Approval-related data
Sensor symbol
ungrounded
■
grounded
■
quasi grounded
■
Bore diameter of flame path
Marking
FP6
FP8
FP ¼
FP ⅜
Symbols
8
= ungrounded welded
= welded to the sheath (grounded)
= The thermometer is, due to its low isolation clearances between
sensor and sheath, to be considered as grounded.
Nominal dimension
6.0 mm [0.236"]
8.0 mm [0.315"]
¼" or 0.250" [6.35 mm]
⅜" or 0.375" [9.53 mm]
Before mounting and commissioning the instrument, ensure you
read the operating instructions.
WIKA operating instructions, models TR10-L, TC10-L, TR10-0, TC10-0 (Ex d)