LED digital display and key function,
Allows users to adjust or query the parameters of the flow meter on site.

The F9000 series digital gas mass flow meter is made using a Micro Electro Mechanical System (MEMS) flow sensing chip, suitable for various clean, relatively dry small flow gas measurement and process control purposes. The unique packaging technology enables the product to meet different flow measurement ranges, ensuring high sensitivity, high reliability, high stability, and low cost.

The F9000 series is composed of MEMS flow sensing units and high-precision digital processing and calibration circuits (MCU). It is integrated Δ-Σ The A/D converter, logic circuit with internal calibration function, MCU processor, and display unit module jointly ensure the real-time and effective collection of sensing signals, obtain accurate flow signals, and perform corresponding compensation algorithm processing internally. The testing principle of flow meters determines that there is no need for any external calibration compensation to ensure high-precision flow output; Friendly digital output communication method, users can easily use digital communication to obtain corresponding rich data information; The product has a wide range of applications.

Application

■ Industry ■ Medical ■ Petroleum ■ Instruments and Meters ■ Laboratory ■ Gas ■ Chemical Industry ■ Smelting ■ Food Processing ■ Mechanical and Electrical Equipment

Feature

■ High sensitivity with minimal initial flow rate;

■ Implemented multi-sensor integration on a single chip, resulting in a range ratio of 100:1 or even higher;

■ Sensors have high impact resistance and good resistance to condensation water;

■ The sensing chip adopts thermal mass flow measurement without temperature and pressure compensation,•ensuring high-precision measurement of the flow meter;

■ Fast response speed;

■ High zero point stability;

■ Low power consumption, low voltage loss;

■ Multiple output methods, including actively uploading data through communication interfaces or querying and outputting data from upper computers, as well as outputting linear analog signals through analog interfaces;

■ LED displays instantaneous and cumulative flow rates, and supports on-site key operation to configure flow meter parameters:

■ Full range measurement with high stability, accuracy, and excellent repeatability:

■ The connection method is threaded, making it easy to install and use;

Parameter

Model Comparison Table

Linear output

Flow = [(VOUT -1 V) / 4 V] × full scale flow

For example:F9008has a full-scale flow of 100slpm.

When the output voltage is read at 2.5V,the instantaneous flow rate is [（2.5V-1V）/4V×100slpm] =37.5 slpm