D07-7B type mass flow controller and D07-7BM type mass flow meter is a product with high precision, good repeatability, fast response speed, soft start, stable and reliable, wide working pressure range, convenient operation and installation, and easy to connect with computer for automatic control.
The Sevenstar D07‑7B mass flow controller and D07‑7BM mass flow meter are precision devices for measuring and controlling gas mass flow in semiconductor, chemical, pharmaceutical and environmental applications. This manual provides safety guidelines, technical specifications, installation instructions, wiring diagrams, operation steps, fault diagnosis and warranty information.
The document includes detailed tables of performance parameters, descriptions of the sensor principle, connection options for gas lines and computer interfaces, as well as conversion tables for various gases. It also outlines service procedures and contact details for Sevenstar support centers in Beijing, Shanghai and Shenzhen. This manual is written in Chinese.
| Flow range | 0~5,10,20,30,50,100,200,300,500 SCCM |
|---|---|
| Accuracy | ±1.5 % F.S |
| Repeatability | ±0.2 % F.S |
| Response time (electronic) | 10 sec |
| Response time (gas) | ≤ 4 sec |
| Operation pressure range | 0.1 ~ 0.5 MPa |
| Maximum pressure | 3 MPa |
| Operating temperature | 5 °C ~ 45 °C |
| Input/Output signal | 0 V ~ +5.00 V (input impedance >100 kΩ, output current ≤3 mA) |
| Power supply | +15 V 50 mA / -15 V 200 mA |
The D07‑7B controller can measure flow from 0 to 500 SCCM, with selectable ranges such as 0‑5, 10, 20, 30, 50, 100, 200, 300 and 500 SCCM.
It offers an accuracy of ±1.5 % of full scale.
Sevenstar provides a two‑year warranty against material and workmanship defects, with free repairs during that period.
Yes, the controller has a 0 V‑+5 V signal that can be linked to a computer or external signal for automatic control.