Type 8221

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Four active electrodes positioned at the base of the armature.

Two of the electrodes have a flat electrode architecture (measurement electrodes), while the other two electrodes are conical (excitation

electrodes).

Product properties

Material

Electrode in stainless steel 1.4435/316L 1.) and armature in PEEK (conform to

FDA - 21CFR 177.2415) and stainless steel 1.4435/316L

Cell constant 2.)

0.36 cm-1

Measuring range

1 µS/cm…300 mS/cm

Medium data

Fluid temperature

- 20…+ 150 °C (- 4…+ 302 °F)

Fluid pressure

Max. 20 bar (290.2 PSI) for - 20…+ 135 °C (- 4…+ 275 °F) and max. 10 bar

(145.1 PSI) at 150 °C (302 °F)

Process/Pipe connection & communication

Process connection

• 2" clamp connection

• 2" (DN 50/40) connection adapted for GEA Tuchenhagen VARINLINE

• PG 13.5 connection

Electrical connection

VarioPin male connector (VP 6.0)

Approvals and conformities

Foods and beverages/Hygiene

ECR1935/2004 declaration

Environment and installation

Ambient temperature

• Operation: - 20…+ 150 °C (- 4…+ 302 °F)

• Storage: + 4…+ 40 °C (+ 39.2…+ 104 °F)

Product properties

Material

Electrode in stainless steel 316L/1.4404 and armature in PEEK (conform to

FDA - 21CFR 177.2415) and stainless steel 316L/1.4404

Cell constant 2.)

0.33 cm-1

Measuring range

1 µS/cm…20 mS/cm

Performance data

Temperature measurement

Response time (t

90)

120 s

Medium data

Fluid temperature

- 20…+ 150 °C (- 4…+ 302 °F)

Fluid pressure

PN 16 for - 20…+ 120 °C (- 4…+ 248 °F) and PN 10 at 150 °C (302 °F)

Process/Pipe connection & communication

Process connection

1½" clamp connection

Electrical connection

8-pin M12 male connector

Environment and installation

Ambient temperature

• Operation: - 20…+ 150 °C

• Storage: - 10…+ 60 °C

1.) Other materials ara available on request.

2.) Nominal cell constant. Every product is measured according to internal Bürkert specificatios. The individual cell constant is indicated in the calibration protocol supplied with the

product and on the label of the product. The cell constant can be influenced by the installation situation.