Bronkhorst EX-FLOW Mass Flow Instrukcja Użytkownika Pobierz pdf (Strona 13)

BRONKHORST HIGH-TECH B.V.

1.7 Ex-proof Coils

1.7.1 Introduction

In our program we know two sorts of coils:

(1) Style: XB = II 1 G Ex ia IIC T6

II 1 D Ex ta IIIC T80°C

Intrinsic safe coil with LCIE approval.

This coil must be safeguarded with a isolating repeater.

(2) Style: XC = II 2 G Ex eb IIC T4

II 2 D Ex tb IIIC T130°C

Increased safety coil with LCIE approval.

1.7.2 Style XB coil

Manufacturer : Parker Lucifer

Type : 48.8670

Type of protection : II 1 G Ex ia IIC T6

II 1 D Ex ta IIIC T80°C

Certificate no. : LCIE 02 ATEX 6024 X

Housing : metal housing / IP 67

Max.supply voltage : 28 V / 110mA

Max.power DC : 3 Watt

Coil resistance : 295 Ω 20°C

Impedance : 345 Ω

Apparent inductance : 0 mH

Apparent capacitance : 0 µF

Connecting coupling : Cable gland PG9 II 2 G Ex e IIC Gb

II 1 D Ex ta IIIC Da

Ambient temperature : -40°C to + 65°C

1.7.3 Style XC coil

Manufacturer : Parker Lucifer

Type : 483371 24Vdc

Type of protection : II 2 G Ex eb IIC T4

II 2 D Ex tb IIIC T130°C

Certificate no. : LCIE 02 ATEX 6011 X

Housing : metal housing / IP 67

Max.supply voltage : 24Vdc

Class of insulation : F (155°C)

Max.power DC : 8 Watt (hot)

9 Watt (cold) 20°C

Connecting coupling : Cable gland M16 x 1.5 II 2 G Ex e IIC Gb

II 1 D Ex ta IIIC Da

Ambient Temperature : -40°C. to + 65°C

110

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