Ambient temperature
(°C)
Process temperature
(°C)
T-Class sensor (°C)
–50 to +70 –200 to +290 T2
–50 to +70 –200 to +427 T1
Installation instructions:
1. The cable and conduit entry devices shall be of a certified
flameproof type Ex d, suitable for the conditions of use and
correctly installed.
2. Unused apertures shall be closed with suitable blanking
elements.
3. When the ambient temperature at the cable or conduit entries
exceed 60 °C, cables suitable for at least 90 °C shall be used.
4. The remote mounted sensor may only be connected to the
transmitter with the associated cable, supplied by the
manufacturer.
Special conditions for safe use (X):
1. For information regarding the dimensions of the flameproof
joints, the manufacturer shall be contacted.
2. The Flowmeter shall be provided with special fasteners of
property class A2-70 or A4-70.
3. Units marked with “Warning: Electrostatic Charging Hazard”
may use non-conductive paint thicker than 0.2 mm. Precaution
shall be taken to avoid ignition due to electrostatic charge on the
enclosure.
4. When the equipment is installed, precautions shall be taken to
ensure the ambient temperature of the transmitter lies between
–50 °C to +70 °C, taking into account process fluid effects. If the
ambient temperature is outside this range remote transmitters
shall be used.
Combined IECEx certifications
K7
Combination of E7, I7, N7, and NF.
9.4 Chinese certifications (NEPSI)
Flameproof certification
• GB3836.1 – 2010
• GB3836.2 – 2010
• GB3836.4 – 2010
• GB3836.20 – 2010
October 2018 Quick Start Guide
Quick Start Guide 39
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