Ultrasonic level measuring device
The type 8177 is a non-contact ultrasonic level measuring device, designed for continuous level measurement in open or closed vessels.
The unit is suitable for liquids, but also for solids, in virtually all industries, particularly in water and waste water management.
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BURKERT TYPE 8177 สามารถใช้ได้ร่วมกับ
General Technical Data
Product properties |
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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 | PBT, stainless steel 316L (1.4404) |
Cover | PC transparent |
Seal between housing and housing cover | EPDM |
Cable gland | PA |
Blind plug | PA |
Ground terminal | Stainless steel 316Ti/316L (1.4571/1.4435) |
Wetted parts | |
Process connection | PVDF |
Transducer | PVDF |
Process seal | EPDM |
Dimensions | Detailed information can be found in chapter “4. Dimensions” on page 6. |
Weights | 1.8…4 kg (depending on process connection and housing) |
Measuring variable | Distance between lower edge of the transducer and product surface. Detailed information can be found in chapters “5.1. Measurement deviation diagram” on page 7. |
Measuring range | • 0.4…8 m (for liquids) • 0.4…3.5 m (for solids) |
Beam angle1.) | 11° |
Damping (63 % of the input value) | 0…999 s, adjustable |
Adjustment time2.) | 3 s (dependent on the parameter adjustment) |
Product accessories Display | LCD in full dot matrix. Detailed information can be found in chapter “7.4. Ordering chart accessories” on page 8. |
Performance data |
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Blocking distance | 0.4 m |
Measurement deviation | ± 4 mm (measuring distance > 0.2 m) Detailed information can be found in chapter “5.1. Measurement deviation diagram” on page 7. |
Measuring range resolution | Max. 1 mm |
Measuring frequency | 55 kHz |
Measuring cycle time | 2 s (dependent on the parameter adjustment) |
Temperature coefficient | 0.06 %/10K (average temperature coefficient of the zero signal – temperature error) |
Vibration resistance | Mechanical vibrations with 4 g and 5…100 Hz (tested according to the guidelines of Ger-man Lloyd, GL directive 2) |
Electrical data |
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Operating voltage (Un) | • Without display/configuration module: – 14…35 V DC – 14…30 V DC (Ex ia instrument) • With display/configuration module: – 20…35 V DC – 20…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 |
Output signal | 4…20 mA/HART |
Signal resolution | 1.6 µA |
Load resistor | (Un – Umin.)/0.022 A |
Fault signal | Current output: mA value unchanged, 20.5 mA, 22 mA or < 3.6 mA (adjustable) |
Max. output current | 22 mA |
Residual ripple (at DC) | • < 100 Hz: Uss < 1 V • 100 Hz…10 kHz: Uss < 10 mV |
Voltage supply cable | • Cable diameter: 5…9 mm • Wire cross-section (spring-loaded terminals): – massive wire, stranded wire: 0.2…2.5 mm2 (AWG 24…14) – stranded wire with end sleeve: 0.2…1.5 mm2 (AWG 24…16) |
Medium data |
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Process temperature | – 40 °C…+ 80 °C (- 40 °F…176 °F) |
Process pressure | Vessel pressure: – 0.2…2 bar (- 2.9…29.02 PSI/- 20…200 kPa) |
Process/Port connection & communication | |
Process connection | • Thread G 2″ • Thread NPT 2″ |
Electrical connection | Cable glands M20 x 1.5 |
Approvals and Certificates |
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Standards Degree of protection according to IEC/EN 60529 |
IP66/IP67 with cable plug mounted and tightened M20 x 1.5 |
Overvoltage category according to IEC 61010-1 | Category III |
Protection class according to IEC 61010-1 |
Class III |
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 | NE21- Electromagnetic compatibility of equipment NE43 – Signal level for fault information from measuring transducers NE53 – Compatibility of field devices and display/adjustment components NE107 – Self-monitoring and diagnosis of field devices |
Certificate | |
Approvals | |
ATEX/IECEx | EN 50014, EN 50020, EN 50284 Detailed information can be found in chapter “2.1. ATEX-Certification” on page 5. |
Environment and installation |
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Ambient temperature | • – 40 °C…+ 80 °C (- 40 °F…+ 176 °F) • Restricted to – 20 °C…+ 70 °C (- 4 °F…+ 158 °F) if equipped with display/configuration module |
Relative air humidity | • Operation: max. 75 %, without condensation • Storage: 20…85 %, without condensation |
Height above sea level | • By default: max. 2000 m • With connected overvoltage protection: max. 5000 m |
Pollution degree | Degree 4 (when used with fulfilled housing protection) |
*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