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Burkert-Type 8708 - Liquid Flow Meter (LFM)

Burkert – Type 8708 – Liquid Flow Meter (LFM)

จุดเด่นของ Type 8708

  • Fieldbus optional
  • Compact version
  • No moving parts in medium
  • High dynamic flow measurement
  • Applicable for liquid flow measurement up to 600 ml/min (36 l/h)
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Liquid Flow Meter (LFM)

Type 8708 is an instrument for liquid flow control in process technology. The actual value supplied by the sensor is transmitted through the digital electronics and over a standard signal output or a fi eld bus interface. In the device two calibration curves can be stored, which the user is able to switch between.

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type 8708

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General Technical Data

Product Properties
Body material
Stainless steel
Housing material PC (Polycarbonate)
Seal material FKM, EPDM or FFKM
Dimensions
Standard version: 107×115.5×28 (BxHxT)
Sub-base version: 107×115.5×43 (BxHxT)
Total weight
Approx. 900 g
LED display Indication for:
1. Power
2. Communication (only in fieldbus version), limit (only in analogue version) 3. Error

Performance Data
Full scale range (QNom) 
1.5…36l/h (25…600ml/min) regarding water
Measuring range 01:10
Max. operating pressure Up to max. 10 barg; typical max. 2 barg
Measuring accuracy
±1.5% o. R. ±0.5% F. S.
Repeatability ±0.5% F. S.
Response time (t95%) <500 ms

Electrical Data
Operating voltage
24 V DC
Power consumption Max. 2.5 W (5 W with fieldbus version)
Voltage tolerance  ±10%
Residual ripple
<2%
Electrical connection
Plug D-Sub 15 pin with PROFIBUS DP: M12 socket, 5 pin with CANopen: M12 plug, 5 pin

Medium Data
Operating medium
Clean and low viscous liquids
Calibration medium
Water (conversion to operating medium with correction function)
Medium temperature
– 10 °C…+ 40 °C
Viscosity (max.)
0.4 to 4 cSt

Process/Port Connection & Communication
Port connection
 G 1⁄8, NPT 1⁄8, G 1⁄4, NPT 1⁄4, Sub-base
Digital outputs One relay-output for
1. Limit (process value close to QNom) Current output: 25 V, 1 A, 25 VA
Digital inputs Two
1. Not assigned
2. Not assigned
Digital (communication) interface Digital via Fieldbus:
• PROFIBUS DP V1
• CANopen
Analogue interfaces 4…20 mA, 0…20 mA, 0…10 V or 0…5 V
Input impedance >20 kΩ (Voltage) resp. <300 Ω (Current)
Max. load: 10 mA (Voltage output); max. load: 600 Ω (Current output)

Environment and Installation
Ambient temperature
0 °C…55 °C
Installation position Horizontal or vertical
Degree of protection IP40

*For selecting the correct 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