TMT162 Safety notes
Endress+Hauser 5
specification limits, consider the use of additional thermowell lagging, and extension nipple, or a
remote mounting configuration to isolate the transmitter from the process.
1.3 Operational safety
Hazardous areas
When installing the unit in a hazardous area, the national safety requirements must be met. Make
sure that all personnel are trained in these areas. Strict compliance with installation instructions and
ratings as stated in this documentation is mandatory.
The measurement system fulfils the safety requirements according to EN 61010 and the EMC
requirements according to EN 61326 as well as NAMUR NE 21, NE 43 and NE 89
recommendations.
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Warning!
The TMT162 must be powered by a 11 to 40 V DC power supply with a limited power according
to NEC Class 02 (low voltage, low current) limited to 8 A and 150 VA in case of a short circuit.
Technical advancement
The manufacturer reserves the right to modify technical data without prior notice. Your distributor
can supply you with current information and updates to these Operating Instructions.
1.4 Returns
Please follow the Return Authorization Policy.
1.5 Safety pictograms and symbols
Safe and reliable operation of this unit can only be guaranteed if the safety notes and warnings in
these operating instructions are followed. The safety notes in these instructions are highlighted
using the following symbols.
!
Note!
This icon indicates activities and actions that, if not followed correctly, could have an indirect
influence on the unit operation or could lead to an unforeseen unit reaction.
"
Caution!
This icon indicates activities and actions that, if not followed correctly, could lead to faulty device
operation or even damage to the unit.
#
Warning!
This icon indicates activities and actions that, if not followed correctly, could lead to personal injury,
a safety risk or even total damage to the unit.
120
Explosion protected, type examined operating equipment!
If one of these icons is on the device’s nameplate, the device can be used in hazardous areas.
-
Hazardous area!
This symbol identifies the hazardous area in the diagrams in these Operating Instructions.
– Devices that are used in hazardous areas or cables for such devices must have the corresponding
type of protection.
.
Safe area (non-hazardous areas)!
This symbol identifies the non-hazardous area in the diagrams in these Operating Instructions.
– Devices in non-hazardous areas must also be certified if connection cables run through a
hazardous area.
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