Rki-instruments M2A Manuel d'utilisateur télécharger pdf (Page 12)

7 M2A Transmitter Operator’s Manual

Figure 3: 65-2494RK Oxygen Detector, Non-Explosion Proof, Capillary Type

CO and H

S Detectors

Both types of CO and H

S detectors have replaceable plug-in sensors inside the detector housing.

The CO detector includes a charcoal filter disk which is held onto the sensor with a rubber retaining

boot. The charcoal filter disk scrubs out interfering gases to which the CO sensor responds such as

S and certain hydrocarbons. The 65-2423RK-05 explosion-proof H

S detector includes a rubber

boot and a spacer which help ensure that the sensor remains plugged into the detector housing body.

The 65-2495RK non-explosion-proof H

S detector includes an adhesive backed gasket inside the

detector housing cap which helps ensure that the sensor remains plugged into the detector housing

body.

Figure 4: 65-2433RK-05 CO Detector, CSA

Detector Housing Cap

Plug-In Oxygen Sensor

Detector Housing Body

Cap Gasket

Hydrophobic Membran

Detector Housing Cap

Rubber Boot W ith

Charcoal Filter

Plug-In CO Sensor

Cap Gasket

Detector Housing Body

Flame Arresto

Guard

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Rki-instruments M2A Manuel d'utilisateur Page 12