Type 8189

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1.

General technical data

Product properties

Materials

Please make sure the device materials are compatible with the fluid you are using. Detailed information can be found in chapter

“3.1. Chemical Resistance Chart – Bürkert resistApp” on page 5.

Non wetted parts

Housing

Plastic PBT (Polyester) and stainless steel 316L (1.4404)

Cover

PC transparent

Seal between housing and cover EPDM

Cable gland

PA

Blind plug

PA

Ground terminal

Stainless steel 316L

Wetted parts

Process connection

Stainless steel 316L (1.4404 or 1.4435) and PEEK

Process seal

EPDM

Rod-Ø 8 mm

Stainless steel 316L (1.4435), polished

Dimensions

Detailed information can be found in chapter “4. Dimensions” on page 6.

Weights

• Housing: 890 g

• Rod-Ø 8 mm: approx. 400 g/m

Surface quality

Rod: Ra ≤ 0.76 µm (with low delta ferrite content)

Probe length

0.3…4 m (lateral load: 10 Nm)

Measured variable

Level of liquids

Measuring range

0.08…4 m

Detailed information can be found in chapter “5.1. Measuring range and blocking distance

diagram” on page 8.

Damping (63 % of the input

variable)

0…999 s, adjustable

Step response time1.)

≤ 3 s

Product accessories

Display

LCD in full dot matrix.

Detailed information can be found in chapter “7.4. Ordering chart accessories” on page 11.

Performance data

Blocking distance

• In water:

– from top of probe: 80 mm

– from bottom of probe: 0 mm

• In oil

– from top of probe: 150 mm

– from bottom of probe: 100 mm

Measurement deviation2.)3.)

According to DIN EN 60770-1: ± 2 mm

Detailed information can be found in chapter “5.2. Measurement deviation diagram” on page

8.

Measuring range resolution

< 1 mm

Measuring cycle time

< 500 ms

Temperature drift

• Digital output: ± 3 mm/10 K, max. 10 mm

• Current output: < 0.03 %/10K relating to the 16 mA span or ≤ 0.3 %

Max. filling/emptying speed

1 m/min (products with high dielectric constant (> 10) up to 5 m/min.)

Non-repeatability

≤ ± 1 mm

Vibration resistance

1 g with 5…200 Hz according to EN 60068-2-6 (vibration at resonance) with rod length 50 cm

Shock resistance

25 g, 6 ms according to EN 60068-2-27 (mechanical shock) with rod length 50 cm