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Process Unit 73 LF - Knick

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<strong>Process</strong> <strong>Unit</strong> <strong>73</strong> <strong>LF</strong><br />

Conductivity Measurement using<br />

SE 600, SE 602 or SE 603 4-Electrode Stray-Field Cells<br />

The SE 600, SE 602 and SE 603 stray-field cells operate in a broad conductivity range. They are especially<br />

temperature- and pressure-resistant. The SE 602 and SE 603 sensors are particularly suited<br />

for highly corrosive media.<br />

gy<br />

pk<br />

bu<br />

rd<br />

bn<br />

wt/gn<br />

yw<br />

gn<br />

1 2 3 4 5 6 7 8<br />

0 shield<br />

<br />

sense line<br />

2-/4-electrode cell<br />

input temp<br />

Model SE 600 (4-electrode cell) by Kemotron<br />

Range 0.5 S/cm – 600 mS/cm 1)<br />

Linearity<br />

1 % / decade<br />

Cell constant typically 0.14 – 0.38 cm –1<br />

(Exact value printed on rating plate)<br />

Temperature probe Pt 1000<br />

Max. temperature 210 C<br />

Max. pressure 50 bar<br />

Models SE 602, SE 603<br />

Max. temperature 120 °C<br />

Max. pressure 20 bar<br />

1) up to 2000 mS/cm, however with reduced accuracy<br />

The individual cell constant can deviate from the<br />

preset nominal cell constant of 0.2 cm –1 . For<br />

precise measurements, you therefore have to<br />

calibrate or enter the exact individual cell constant.<br />

9–10 Capabilities

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