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Mass Flow Meter for Gases (MFM)
The mass flow meter (MFM) Type 8700 is especially suited for measuring the mass flow of aggressive gases, which need a sensor which is not in direct contact with the gas. The thermal capillary sensor reaches fast response times.
Type 8700 can optionally be calibrated for two different gases; the user can switch between these two gases. As electrical interfaces both, analog standard signals and fieldbuses are available.
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TYPE 8700 สามารถใช้ได้ร่วมกับ
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General Technical Data
Product properties |
|
| Materials | |
| Block | Stainless steel |
| Body | PC (Polycarbonate) or metal |
| Seal | FKM, EPDM or FFKM |
| Dimensions | Detailed information can be found in chapter “3. Dimensions” on page 5. |
| Total weight | Approx. 850 g (stainless steel) |
| LED display | Indication for power, limit (with analogue signals) / communication (with fieldbus) and error |
Performance data |
|
| Nominal flow range (QNom) | 5 mlN/min…15000 mlN/min (N2)2.) |
| Measuring range | 1:50 |
| Max. operating pressure | 10 bar (145 psi) |
| Measuring accuracy | ± 1.5 % o. R ± 0.3 % F. S. (after 30 min. warm-up time) |
| Repeatability | ± 0.1 % F. S. |
| Response time (t95 %) | < 3 sec. |
Electrical data |
|
| Operating voltage | 24 V DC |
| Power consumption | 2.5 W / 5 W (with fieldbus) |
| Voltage tolerance | ± 10 % |
| Residual ripple | < 2 % |
| Electrical connection | D-Sub plug 15 pin with PROFIBUS-DP: Socket M12 5 pin with CANopen: Socket M12 5 pin |
Medium data |
|
| Operating medium | Neutral, non-contaminated gases, others on request |
| Calibration medium | Operating gas or air with conversion factor |
| Medium temperature | – 10 °C…+ 70 °C (- 10 °C…+ 60 °C for oxygen) |
Process/Port connection & communication |
|
| Port connection | NPT ¼, G ¼, screw-in fitting or sub-base, others on request |
| Fieldbus option | PROFIBUS-DP, CANopen |
| Digitale 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 | RS232, Modbus RTU (via RS-Adapter) RS485, RS422 or USB (see “7.4. Ordering chart accessories” on page 10) |
| 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 | – 10 °C…+ 50 °C |
| Installation | Horizontal or vertical |
| Degree of protection | IP40 |
Accessories |
|
| Software-Tool | Mass Flow Communicator |
*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
