Knick SE 604-MS Mode D'emploi page 12

8. Hazardous Areas: Electrical and Thermal Parameters
Certificate Number:
BVS 16 ATEX E 037 X
IECEx BVS 16.0030X
Thermal Parameters:
Temperature class Ambient temperature range Ta Maximum permissible process temperature
T6
T4
T3
Special Conditions
• The cable and the sensor shall only be used within the ambient temperature range specified for
the temperature class.
• The measuring cable including its connecting head must be protected from electrostatic charg-
ing if it passes through areas of Zone 0 (category 1G).
• The Memosens sensors shall not be operated in electrostatically critical processing conditions.
Intense vapor or dust flows directly impacting on the connection system shall be avoided.
• Metallic process connection parts must be mounted at the installation site so that they are
electrostatically conductive (< 1 MΩ).
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-20 °C < Ta < +70 °C
-20 °C < Ta < +120 °C
-20 °C < Ta < +135 °C
Marking:
II 1G
Ex ia IIC T3/T4/T6 Ga
70 °C
120 °C
135 °C