Type 8137

3 | 12

Visit product website 

1.

General technical data

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 5.

Non wetted parts

Housing

PBT, Stainless steel 316L (1.4404)

Cover

PC transparent

Seal between housing and cover

EPDM

Cable gland

PA

Blind plug

PA

Ground terminal

Stainless steel 316Ti/316L (1.4571/1.4435)

Wetted parts

Process connection

Stainless steel 316L

Process seal

NBR with aramid fibres for device with thread process connection (for others versions not

included in the delivery)

Antenna

Stainless steel 316L

Antenna cone

PTFE (TFM 1600 PTFE)

Seal

Antenna system: FKM

Dimensions

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

Weights

2…17.2 kg (depending on process connection and antenna)

Measuring variable

Distance between the end of the level meter antenna and the product surface. Detailed

information can be found in chapters “5.1. Measurement deviation diagram” on page

8 and “6.1. Measuring principle” on page 8.

Measuring range

Max. 35 m

Recommended measuring range:

• 0.05…15 m (recommended, with antenna Ø 40 mm)

• 0.05…35 m (recommended, with antenna Ø 75 mm)

Beam angle1.)

• 20° with antenna Ø 40 mm

• 10° with antenna Ø 75 mm

Damping (63 % of the input value)

0…999 s, adjustable

Step response time2.)

≤ 3 s

Product accessories

Display

LCD in full dot matrix (optional, must be ordered separately). Detailed information can be

found in chapter “7.4. Ordering chart accessories” on page 11.

Performance data

Measurement deviation

± 2 mm (measuring distance > 0.5 m)

Detailed information can be found in chapter “5.1. Measurement deviation diagram” on

page 8.

Measuring range resolution

1 mm

Measuring frequency

K-Band (26 GHz technology)

Measuring cycle time

Approx. 450 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 %

Non-repeatability3.)

≤ 1 mm

Vibration resistance

4 g with 5…200 Hz according to EN 60068-2-6 (vibration at resonance)

Shock resistance

100 g, 6 ms according to EN 60068-2-27 (mechanical shock)

Electrical data

Operating voltage (U

n)

• Without display/configuration module:

– 9.6…35 V DC

– 9.6…30 V DC (Ex ia instrument)

• With display/configuration module:

– 16…35 V DC

– 16…30 V DC (Ex ia instrument)

Power Source (not supplied)

Limited power source according to UL/EN 60950-1 standards or limited energy circuit

according to UL/EN 61010-1 §9.4

Starting current

≤ 3.6 mA; ≤ 10 mA for 5 ms after switching on