Type 8188

3 | 17

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1.

General technical data

1.1. About the device:

The device is available with a rod, cable or coaxial measuring probe. The technical data depends on the variant of the level measure-

ment device with guided radar.

1.2. All variants

Product properties

Material

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 6.

Non wetted parts

Cover

PC transparent

Housing

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

Grounding terminal and screw

Stainless steel 316L

Seal

Between housing and cover: EPDM

Cable gland

PA

Blind plug

PA

Wetted parts

Process seal

NBR with aramid fibres

Dimensions

Detailed information can be found in chapter “4. Dimensions” on page 7.

Measured quantity

Level of liquids. For solids applications, please contact your local Bürkert Sales Center.

Measuring range

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

tance diagram” on page 10.

Damping (63 % of the input variable)

0…999 s, adjustable

Product accessories

Display/configuration module

LCD in full dot matrix. Detailed information can be found in chapter “7.4. Ordering chart

accessories” on page 16

Performance data

Blocking distance

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

tance diagram” on page 10.

Measuring range resolution

< 1 mm

Measurement deviation1.)2.)

According to DIN EN 60770‑1: ± 2 mm

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

page 11.

Non-repeatability

≤ ± 1 mm (max.)

Measuring cycle time

< 500 ms

Step response time3.)

≤ 3 s

Temperature drift

• Digital output: ± 3 mm/10 K relating to the max. measuring range or max. 10 mm

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

Filling/emptying speed

Max. 1 m/min