Applicable standards UL 61010-2-201, ANSI/ISA 12.12.01, EU: EN 61131-2, NK, LR, RCM, KC. Noise immunity Conforms to IEC 61000-4-4, 2 kV (power line). Shock resistance Conforms to IEC 60068-2-27. Atmosphere Must be free from corrosive gases.
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