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Burkert-Type 8111 - Vibrating filling level switch

Burkert – Type 8111 Vibrating Filling Level Switch

จุดเด่นของ Burkert Type 8111

  • ATEX approvals
  • Installation without adjustment
  • For universal applications such as filling level detection or dry run protection system
  • Ideal for the food, beverage and pharmaceutical industry with a surface roughness < 0.8 μm
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Vibrating filling level switch

The Type 8111 is a filling level switch for liquids, using a tuning fork as the sensor element.

It is designed for industrial use in all areas of process technology and can be used in liquids. Typical applications are overfill or dry run protection.

Depending on the version, the devices are also used for monitoring or con-trolling filling levels in potentially explosive atmospheres, also for combustible liquids, gases, fumes or vapours.

Due to the simple and rugged measuring system, the 8111 is virtually unaf-fected by the chemical and physical features of the liquid. It also works under unfavourable conditions such as turbulence, air bubbles, foam generation (not suitable for measuring the foam thickness itself), adhesions, strong external vibrations or varying filling materials.

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type 8111

BURKERT TYPE 8111 สามารถใช้ได้ร่วมกับ

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 “4.1. Chemical Resistance Chart – Bürkert resistApp” on page 5.
Detailed information about material specifications can be found in chapter “4.2. Material specifications” on page 6.
Dimensions Detailed information can be found in chapter “5. Dimensions” on page 6.
Surface quality Ra < 3.2 μm (thread) / Ra < 0.8 μm (clamp)
Measured variable Limit level of liquids.
Weight Approx. 850 g

Performance data
Dynamic viscosity η 0.1…10000 mPa.s (requirement: with density 1)
Density Selected by DIP switch:
• Standard sensitivity: 0.7…2.5 g/cm3
• High sensitivity: 0.5…2.5 g/cm3
Flow velocity Max. 6 m/s (with a viscosity of 10000 mPa.s)
Measurement deviation ± 1 mm
Repeatability 0.1 mm
Hysteresis Approx. 2 mm with vertical installation
Switching delay Approx. 500 ms (On/Off)

Electrical data
Operating voltage Depending on the device version
Detailed information can be found in chapter “2. Product versions” on page 4.
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
Power consumption Depending on the device version
Detailed information can be found in chapter “2. Product versions” on page 4.
Current consumption Depending on the device version
Detailed information can be found in chapter “2. Product versions” on page 4.
Resonance frequency Approx. 1200 Hz
Output Depending on the device version
Detailed information can be found in chapter “2. Product versions” on page 4.

Medium data
Process temperature – 50…+ 150 °C (- 58…+ 302 °F)
Process pressure – 1…64 bar/- 100…6400 kPa (- 14.51…+ 928.64 PSI)

Process/Port connection & communication
Process connection Thread G or NPT, ¾” or 1″; clamp 2″
Electrical connection Depending on the device version
Detailed information can be found in chapter “2. Product versions” on page 4.

Approvals and Certificates
Standards
Degree of protection according to  IEC/EN 60529		 IP66/IP67 with M20 × 1.5 gland mounted and tightened
Overvoltage category according to IEC 61010-1 Category III
Protection class according to
IEC 61010-1		 Depending on the device version
Detailed information can be found in chapter “2. Product versions” on page 4.
Directives
CE directives The applied standards, which verify conformity with the EU Directives, can be found on the EU Type Examination Certificate and/or the EU Declaration of conformity (if applicable).
NAMUR recommendations IEC 60947-5- 6 (EN 50227)
Approvals
ATEX/IECEx EN50014, EN50020, EN50284
Detailed information can be found in chapter “3.1. Certification ATEX” on page 5.

Environment and installation
Ambient temperature • Operating on the housing: – 40…+ 70 °C (- 40…+ 158 °F)
• Storage and transport: – 40…+ 80 °C (- 40…+ 176 °F)
Temperature derating Detailed information can be found in chapter “6.1. Temperature derating diagram” on page 8.
Relative air humidity 20…85 %, without condensation

*For selecting thecorrect product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

สอบถามข้อมูลเพิ่มเติม ติดต่อเรา :

  02-384-6060 (อัตโนมัติ)    [email protected]    บริษัท ฟลูเทค จำกัด Flu-tech    @flutech.co.th