Intrinsically Safe Conformity - Hach ORBISPHERE 3650 Atex User Manual

General Information

1.2 Intrinsically safe conformity

Orbisphere series 3650Ex analyzers for gas measurement have been certified as Intrinsically
Safe by:
Note: LCIE is notified body number 0081 in accordance with the European ATEX Directive.
LCIE certifies that this electrical apparatus has been found to comply with the essential Health
and Safety Requirements: EN 60079-0, EN 60079-11.
These instruments are certified
number LCIE 03 ATEX 6003 X
Category
6
LCIE (Laboratoire Central des Industries Electriques), 33 av. Division Leclerc,
Fontenay aux Roses 92260, France.
II 1 G ATEX marking: Surface apparatus with permanent explosive gas presence.
Ex Explosion-proof apparatus built to the universal standards that follow.
Type of protection: The highest category, based on a safety factor of 1.5 on two faults.
ia No combination of two faults in the 3650Ex can produce a spark, or heating, causing
ignition of an explosive atmosphere.
IIC Gas group: Corresponds to the most flammable gases, including hydrogen.
T4 Temperature category: Maximum surface temperature of 135 ºC (250 ºF).
Ga Equipment protection level
II 1G EX ia IIC T4 Ga under EC type Examination Certificate
Explanation