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II 2 G

II 2 D

Ex ib

Ex ib

IIB

IIIB

T4

T135°

Gb

Db

Ex ib ELECTRICAL PROTECTION CONCEPTS Standard IEC/EN Code Zone

60079-11

Ex ia Intrinsic Safety

0 20

Ex ib 1 21

Ex ic 2 22

II 2 G ATEX CODING II 2 GD

EU Explosive

atmosphere symbol

Equipment group Equipment category

I: mining M1: energised

M2: de-energised*

Gas Dust

II: non-mining

1: very high protection 0 20

2: high protection 1 21

3: normal protection 2 22

T4 / T135° TEMPERATURE CLASS T class Maximum surface temperature

T1 450°C

T2 300°C

T3 200°C

T4 135°C

T5 100°C

T6 85°C

Gb / Db EQUIPMENT PROTECTION LEVEL Equipment protection level Zone

Ga 0

Gb 1

Gc 2

Da 20

Db 21

Dc 22

Ma energised*

Mb de-energised*

IIIB DUST GROUPS Dust group Representative test dust

IIIA Combustible flyings

IIIB Non-conductive dust

IIIC Conductive dust

IIB GAS GROUPS Gas group Representative test gas

I Methane (mining only)

IIA Propane

IIB Ethylene

IIC Hydrogen

G = Gas, D = Dust, M = Mining * in presence of explosive atmosphere

* in presence of explosive atmosphere

Gases are classified according to the ignitability of gas-air mixture. Refer to IEC/EN 60079-20-1 for classification of common gases and vapors.

I P 6 7

ATEX HAZLOC ATEX HAZLOC

ZONE 0 Class I Div 1 ZONE 20 Class II Div 1

ZONE 1 Class I Div 1 ZONE 21 Class II Div 1

ZONE 2 Class I Div 2 ZONE 22 Class II Div 2

ZONE 0

ZONE 0 ZONE 1

ZONE 2

ZONE 1

For more information on ATEX and HAZLOC regulations, see www.petzl.com

Brightness (lumens) This measurement is taken between 30 and 120 seconds after the headlamp is turned on. It indicates the maximum light output when the lamp is first turned on using new batteries (included).

Burn time (hours) This is the length of time for which lighting remains optimal, from the moment the lamp is turned on until it drops to 10% of maximum light output. It then switches to reserve lighting.

Lighting distance (meters) This is the maximum distance between the lamp and the location where only 0.25 lux of illumination remains. The measurement is taken when the lamp is turned on, using new batteries. Lighting distance depends directly on brightness, but mainly on the shape of the beam.

Reserve lighting (outside of the ANSI/PLATO FL 1 protocol) In addition to these measures, Petzl offers reserve lighting. Reserve lighting provides a minimum light level to be able to move around. However, the lighting may be insufficient for certain activities (such as precision work or inspection).

Lighting Performance: How Is It Measured?

Protection against liquids

X = Not measured

0 = Not protected

1 = Protected against vertically falling water drops

2 = Protected against water drops (15° from vertical)

3 = Protected against rain (60° from vertical)

4 = Protected against splashing water

5 = Protected against water jets

6 = Protected against powerful water jets

7 = Temporary immersion (-1 meter for 30 minutes)

8 = Prolonged immersion (deeper than 1 meter for period defined by manufacturer)

9 = Prolonged immersion (deeper than 1 meter) and protection against pressure-washing

Protection against solid objects

X = Not measured

0 = Not protected

1 = Protected against projection of solids 50 mm in diameter

2 = Protected against projection of solids 12.5 mm in diameter

3 = Protected against projection of solids 2.5 mm in diameter

4 = Protected against projection of solids 1 mm in diameter

5 = Protected against dust (limited ingress, no harmful deposits)

6 = Completely protected against dust

Hazardous Areas If an explosion hazard is identified in an environment, the hazardous areas are classified as areas at risk, depending on the prevalence and type of combustible, gas or dust. All of the materials used in these zones must conform with current regulations for this type of zone (ATEX and/or HAZLOC).

Lighting performance as defined by the ANSI/PLATO FL 1 protocol Petzl has chosen to comply with the ANSI (American National Standards Institute) FL 1 protocol to measure and demonstrate the lighting performance of our headlamps. This voluntary move allows users to easily compare the lighting performance of different headlamp models using standardized criteria.

The IP Protection Index

Rating

Protection

Level of protection against solid objects

Level of protection against liquids

A headlamp s resistance to solids and/or liquids is indicated by its IP rating. This index classifies the level of protection offered by equipment against intrusions by solids (e.g. dust) and liquids (e.g. water, oil) according to the IEC 60529 standard.

Understanding the protection index

Example of ATEX zone (gas type combustible)

Example: DUO Z1

How to read an ATEX marking

Classification of ATEX / HAZLOC zones

Explosive Atmosphere Gas Type Combustible Dust Type Combustible

Permanent or Long-Term

Occasional

Accidental

Environments and Standards

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