Flowserve NRGS15-1 Bedienungsanleitung PDF herunterladen (Seite 10)

Explanatory Notes – continued –

Technical data

Service pressure

25 barg at 224 °C

Connection

Screwed 1" BSP, DIN ISO 228

Materials

Screw-in housing: 1.4571, CrNiMoTi 17 12 2

Electrode rods: 1.4571, CrNiMoTi 17 12 2

Electrode insulation: PTFE

Spacer disc: PTFE

Terminal box: polycarbonate

Electrode rods

Length supplied: 1000 mm

Diameter: 5 mm

Mains supply

220–240 V +10 /-15%, 50/60 Hz

110–120 V +10 /-15%, 50/60 Hz

24 V +10 /-15%, 50/60 Hz (optional)

Power consumption

3VA

Sensitivity (at 25 °C)

Range 1: 0.5 µS/cm

Range 2: 10 µS/cm

The selection of the above range is done via a code switch.

Electrode voltage

20 Vss

Output

Four volt-free relay contacts.

Max. contact rating with a switching voltage of 24 V AC/DC, 115 V AC and 230 V AC:

resistive / inductive 4 A.

Ensure interference suppression by providing contactor with an arc suppressor RC com-

bination.

Contact material AgNi 0.15.

Energizing/de-energizing delay

Relay 1 and 2: 1 sec., factory set

Relay 3: 0-30 sec., adjustable via potentiometer

Relay 4: 3 sec., factory set

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Flowserve NRGS15-1 Bedienungsanleitung Seite 10