2. Guard the LCD display cover against impact energies greater than 4
joules.
See EM for Flameproof Specific Conditions of Use and see IM for Intrinsic
Safety Specific Conditions of Use.
7.11 Japan
7.11.1 E4 Japan Flameproof
Certificate:
TC20671 [J2 with LCD], TC20672 [J2], TC20673 [J6 with
LCD], TC20674 [J6]
Markings:
Ex d IIC T5
7.11.2 I4 Japan Intrinsic Safety
Certificate:
CML 18JPN2118X
Standards:
JNIOSH-TR-46-1, JNIOSH-TR-46-6
Markings:
[Fieldbus] Ex ia IIC T4 Ga (–60 °C ≤ T
a
≤ +60 °C);
Special Conditions for Safe Use (X):
1. The apparatus must be installed in an enclosure which affords it a
degree of protection of at least IP20.
2. Non-metallic enclosures must have a surface resistance of less than
1G Ω; light alloy or zirconium enclosures must be protected from
impact and friction when installed in a zone 0 environment.
Quick Start Guide April 2019
38 Rosemount 644H and 644R
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