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Oval rotor low flow sensor
This sensor is specially designed for measurement or batch control of highly viscous fluids like glue, honey or oil. It allows an easy connection to transmitters like types 8025 and 8619 for more functionality.
The design of this low flow sensor is based on the oval rotor principle. This has proven to be a reliable and highly accurate volumetric method of measuring flow. Exceptional repeatability and high accuracy over a wide range of viscosities and flowrates are features of this design.
The low pressure drop and high pressure rating make it suitable for gravity and pump (in-line) applications and many others. All sensors provide Open Collector NPN frequency output and frequency output on Reed contact via 1-meter 5-wire cable.
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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 4. |
| Non wetted parts | |
| Screws | Stainless steel 316 |
| Tag plate | Aluminium |
| Wetted parts | |
| Body, cap | PPS |
| Oval gear | PPS |
| Shaft | Alloy C |
| Seal | FFKM |
| Dimensions | Detailed information can be found in chapter “4. Dimensions” on page 5. |
| Measuring principle | Oval gear |
| Compatibility | With 8025 Universal transmitter/batch controller, 8611 eCONTROL Universal controller or 8619 multiCELL transmitter/Controller Detailed information can be found in the respective technical data sheets, see data sheets Type 8025 , Type 8611 , Type 8619 for more information. |
| Measuring range | 0.5…500 l/h (0.13…132 gph) (depends on the version) |
| Type of sensor | Hall effect (Transistor output) or Reed contact (reed switch outpu) |
| Standard K-factor | • For flow range 0.5…120 l/h: 1000 pulses/l • For flow range 15…500 l/h: 400 pulses/l |
Performance data |
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| Measurement deviation | ± 1 % of measured value |
| Repeatability | ≤ 0.03 % of measured value |
Electrical data |
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| Operating voltage | 4.5…24 V DC |
| Current consumption | ≤ 9 mA (Hall effect sensor) |
| Output signal Hall effect sensor | • Frequency on open collector, NPN, max. 25 mA • 4.5…24 V DC • Recommended load: 1.8 KΩ Pull up at 24 V DC |
| Reed contact | • Frequency • Switching voltage: 30 V DC, • Max. current: 0.5 A |
Medium data |
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| Fluid temperature | – 20…+ 80 °C (- 4…+ 176 °F) |
| Fluid pressure (max.) | 5 bar (72 PSI) |
| Dynamic viscosity η | 1 Pa.s. max. (higher on request) |
| Maximum particle size | 75 µm To prevent damage from dirt or foreign matter, we strongly recommend the installation of a 75 µm (200 mesh) strainer as close as possible to the inlet side of the meter. |
Process/Port connection & communication |
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| Process connection | Thread ⅛”; ¼” (G or NPT) |
| Electrical connection | • 5-wire cable • 1 m length |
Approvals and certificates |
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| Standards Degree of protection |
IP54 (NEMA 13) |
| 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) |
| Pressure equipment directives | Complying with Article 4, Paragraph 1 of 2014/68/EU directive Detailed information on the pressure equipment directive can be found in chapter “2.1. Pressure Equipment Directive” on page 4. |
Environment and installation |
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| Ambient temperature | Operation and storage: – 15…+ 80 °C (+ 5…+ 176 °F) |
| Relative air humidity | ≤ 85 %, without condensation |
| Height above sea level | Max. 2000 m |
| Operating condition | Continuous |
| Device mobility | Fixed |
| Application range | Indoor and outdoor (protect the device against electromagnetic interference, ultraviolet rays and, when installed outdoors, against the effects of climatic conditions) |
| Installation category | Category I according to UL/EN 61010-1 |
| Pollution degree | Degree 2 according to UL/EN 61010-1 |
*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