iTEMP TMT82 Technical data
Endress+Hauser 55
Climate class • Head transmitter: climate class C1 as per EN 60654-1
• DIN rail device: climate class B2 as per EN 60654-1
Humidity • Condensation as per IEC 60 068-2-33:
– Head transmitter permitted
– DIN rail transmitter not permitted
• Max. rel. humidity: 95% as per IEC 60068-2-30
Degree of protection • Head transmitter with screw terminals: IP 00, with spring terminals: IP 30. In installed
state, depends on the terminal head or field housing used.
• When installing in field housing TA30A, TA30D or TA30H: IP 66/67 (NEMA Type 4x
encl.)
• DIN rail device: IP 20
Shock and vibration
resistance
Vibration resistance as per GL guideline, chapter 2, section 3B paragraph 9. Vibration and
IEC 60068-2-27 or IEC 60068-2-6
• Head transmitter: 2 to 100 Hz at 4g (increased vibration stress)
• DIN rail device: 2 to 100 Hz at 0.7g (general vibration stress)
Shock resistance as per KTA 3505 (section 5.8.4 Shock test)
Electromagnetic
compatibility (EMC)
CE compliance
Electromagnetic compatibility in accordance with all the relevant requirements of the
IEC/EN 61326 series and NAMUR Recommendation EMC (NE21). For details, refer to the
Declaration of Conformity. All tests were passed both with and without ongoing digital
HART
®
communication.
Maximum measured error <1% of measuring range.
Interference immunity as per IEC/EN 61326 series, industrial requirements
Interference emission as per IEC/EN 61326 series, Class B equipment
Measuring category Measuring category II as per IEC 61010-1. The measuring category is provided for
measuring on power circuits that are directly connected electrically with the low-voltage
network.
Degree of contamination Pollution degree 2 as per IEC 61010-1.
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