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6 Technical Information

6.1 Approvals

6.1.1 Aluminum Version

UL DraegerSensor PR ...................... Class I, Div 1, Group B, C, D

DraegerSensor IR ........................ Class I, Div 1, Group B, C, D

Class II, Div 1, Group E, F, G

CSA DraegerSensor PR ...................... Class I, Div 1, Group B, C, D

ATEX .................................................................................................................. EEx d IIC

DraegerSensor LC and PR II 2 D T135(Ta = -40 to +80°C)

T85 (Ta = -40 to +40°C)

II 2 G T4 (Ta = -40 to +80°C)

T6 (Ta = -40 to +40°C)

DraegerSensor IR II 2 D T135(Ta = -40 to +65°C)

T85 (Ta = -40 to +40°C)

II 2 G T4 (Ta = -40 to +65°C)

T6 (Ta = -40 to +40°C)

CE marking ................. Electromagnetic Compatibility (Directive 89/336/EEC)

6.1.2 Stainless Steel Version

ATEX .................................................................................................................. EEx d IIC

DraegerSensor LC and PR II 2 G 135°C -20°C  Ta +60°C

85°C -20°C  Ta +40°C

II 2 D T135 -20°C  Ta +60°C

T85 -20°C  Ta +40°C

DraegerSensor IR II 2 G T6 -20°C  to +60°C

II 2 D T80 -20°C  to +60°C

CE marking ................. Electromagnetic Compatibility (Directive 89/336/EEC)

6.2 Signal Transmission to Central Control Unit

Analog ........................................................ Transmission by 3-core shielded cable

– Measurement current ...........................................................................4 to 20 mA

– Transmitter fault ............................................................................................. <2 mA

– Maintenance Signal .................................................4 ± 1 mA, 1 Hz modulation

or steady 3 mA signal (user selectable)

6.3 Voltage of Power Supply

Operating Voltage ............................................................................... 16 to 30 VDC

In-rush Current .......................................................................... 160 mA for 40 msec

Operating Current (maximum) .................................................... 90 mA @ 24 VDC

Connector accepts 16 to 22 gauge wire AWG (0.5 to 1.5 mm

)

Technical Information

Signal Transmission to Central Control Unit

Voltage of Power Supply

Dräger Polytron FX User Manual

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