Hochiki IFD-E(IS) Manual de usuario descargar pdf (Pagina 4)

4 Hochiki Europe (UK) Ltd

2-3-0-809/ISS2/JUL07

Gas Group Representative Gas Other Gases, Liquids & Vapours

IIC

Hydrogen Acetylene, Carbon Disulphide

IIB

Ethylene Diethyl ether, Tetrafluroethylene

IIA

Methane Butane, Methanol, Petroleum, Propane, Styrene

These Flame Detectors are approved IIC for listed gases in EN 50014.

Table 4 – Subdivisions of Group II Gases

Temperature

Class

Referred to

ambient of

-20°C to +40°C

Maximum Surface

Temperature

T6 85°C

T5 100°C

T4 135°C

T3 200°C

T2 300°C

T1 450°C

Detectors approved to T4 at 40°C

Table 3 – Temperature Classifications

Code

Type of

Protection

Code

Equipment

Category

ia Intrinsic safety 1

ib Intrinsic safety 2

d Flameproof 3

These Flame Detectors are approved ia.

Table 2 – Type of Protection Codes

1 2 3 4 5 6 7 8 9 10 11

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Hochiki IFD-E(IS) Manual de usuario Pagina 4