Hach ORBISPHERE 3650 ATEX Manuel D'utilisation De Base page 6

This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD) and
indicates that care must be taken to prevent damage with the equipment.
This symbol, when noted on a product, indicates the instrument is connected to alternate current.
Electrical equipment marked with this symbol may not be disposed of in European domestic or
public disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no
charge to the user.
Products marked with this symbol indicates that the product contains toxic or hazardous substances
or elements. The number inside the symbol indicates the environmental protection use period in
years.
Products marked with this symbol indicates that the product must only be used in the safe area and
never in the explosive area.
4.5 Intrinsically safe conformity
Orbisphere series 3650Ex analyzers for gas measurement have been certified as Intrinsically Safe
by:
• LCIE (Laboratoire Central des Industries Electriques), 33 av. Division Leclerc, Fontenay aux
Roses 92260, France.
Note: LCIE is a notified body number 0081 in accordance with the European ATEX Directive.
LCIE certifies that the 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 Explanation
ATEX marking: Surface apparatus with permanent explosive gas presence.
II 1 G
Ex Explosion-proof apparatus built to the universal standards below:
ia Type of protection: The highest category, based on a safety factor of 1.5 on two faults. 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 135º C.
Ga Equipment protection level.
4.5.1 Specific conditions of use
Use only non-rechargeable cell of type LS 26500 SAFT. Cell replacement is allowed in explosive
area.
The use of the external power supply input is not allowed in hazardous area. External link shall be
equipped with protection for voltage limitation when used in the non- hazardous area.
6 English
II 1G EX ia IIC T4 Ga under EU type Examination Certificate
Table 1 ATEX Certification