Dräger Regard 2400 / 2410 And Catalytic Bead Sensors; Accessories; Installation Of A Semi-Bridge Converters - Dräger REGARD 2400 Instructions For Use Manual

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Dräger REGARD 2400 / 2410 and Catalytic Bead

Sensors*

IMPORTANT NOTICE:

If a Dräger REGARD 2400 or Dräger REGARD 2410 should be connected to a catalytic

bead sensor a semi bridge converter has to be used! There are 2 different converters that

could be used:

SC00016

internal converter for Dräger REGARD 2400

3604655

external converter for both versions (exchange for 3603560)

Only Dräger REGARD 2400

The catalytic sensor in the Polytron SE Ex forms one half of a Wheatstone bridge while the

converter board has to provide the second half of this bridge. Therefore it is necessary to use

a semi-bridge converter (Part No. SC00016), if one or more Polytron SE Ex sensing heads are

connected to a Dräger REGARD 2400. Thus the converter powers the sensor and converts

the semi-bridge signal into a 4...20 mA signal, suitable for internal processing within the Drä-

ger REGARD 2400.

Procedure:

Switch off the supply voltage.

Remove the short-circuit strap and insert the converter.

(Polytron SE Ex sensors)

Dräger REGARD 2400 / 2410 and Catalytic Bead Sensors

Channel D

Channel C

Channel B

Channel A

Accessories

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