7 Maintenance TMT182
32 Endress+Hauser
10.7 Environmental conditions
Ambient temperature
limits
-40 to 185 °F (-40 to +85 °C) for Ex-area, see Ex-certification or control drawing
Storage temperature -40 to 212 °F (-40 to +100 °C)
Climate class as per IEC 60654-1, class C
Condensation allowed
Degree of protection IP 00, NEMA 4 (IP 66) installed
Shock and vibration resist-
ance
4g / 2 to 150 Hz as per IEC 60 068-2-6
Electromagnetic compatibil-
ity (EMC)
CE Electromagnetic Compatibility Compliance
The device meets all requirements listed under IEC 61326 Amendment 1, 1998 and
NAMUR NE 21
This recommendation is a uniform and practical way of determining whether the devices used in
laboratory and process control are immune to interference with an objective to increase its functio-
nal safety.
10.8 Mechanical construction
Design, dimensions
ƒig. 14: : Dimensions of the head transmitter in inches (mm)
Weight approx. 1.4 oz (40 g)
Material • Housing: PC
• Potting: PUR
Discharge of static electricity IEC 61000-4-2 6 kV cont., 8 kV air
Electromagnetic fields IEC 61000-4-3 80 to 1000 Hz 10 V/m
Burst (signal) IEC 61000-4-4 2 kV
Transient voltage IEC 61000-4-5 1 kV unsym. / 0.5 kV sym.
HF coupling IEC 61000-4-6 0.15 to 80 MHz 10 V
Line interference IEC 61000-4-16 10 kHz to 150 kHz 10 V
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