iTEMP TMT71
Technical data
Hauser
55
13.5 Environment
Ambient temperature
range
–40 to +85 °C (–40 to +185 °F), for hazardous areas see Ex documentation
Storage temperature
• Head transmitter: –50 to +100 °C (–58 to +212 °F)
• DIN rail device: –40 to +100 °C (–40 to +212 °F)
Altitude
Up to 4000 m (4374.5 yards) above mean sea level.
Humidity
• Condensation:
• Head transmitter permitted
• DIN rail transmitter not permitted
• Max. rel. humidity: 95% as per IEC 60068-2-30
Climate class
• Head transmitter: climate class C1 as per IEC 60654-1
• DIN rail device: climate class B2 as per IEC 60654-1
Degree of protection
• Head transmitter with screw terminals: IP 00, with push-in 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 66/68 (NEMA Type 4x
encl.)
• DIN rail device: IP 20
Shock and vibration
resistance
Vibration resistance as per DNVGL-CG-0339 : 2015 and DIN EN 60068-2-27
• 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
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
Overvoltage category
Overvoltage category II
Degree of contamination
Pollution degree 2
