ATMF Micro Type Thermal Mass Flowmeter from China Manufacturer

Introduction Features Specifications Model Selection Application Installation

Introduction

Micro gas mass flowmeters are developed based on advanced sensing technologies such as FMEMS technology sensing chips for measuring and monitoring gas mass at small flows. Micro gas mass flowmeter can measure the flow of various gases, including air, nitrogen, oxygen, carbon dioxide, etc., widely used in medical, environmental protection, chemical and other fields. It has the characteristics of low power consumption, mobile design, tape display and network conventional metering.

Application field
a. Medical field: Micro gas mass flow meters can be used for clinical oxygen supply monitoring and metering in hospitals (such as medical oxygen meters), as well as gas flow monitoring in medical equipment such as ventilators and anesthesia machines, to help medical personnel monitor patients' breathing conditions in real time and adjust treatment parameters.

b. Environmental protection: In terms of environmental monitoring and control, the flow meter can be used to detect and measure the composition and flow of gases in the atmosphere, such as air pollutants, greenhouse gases, etc., to provide accurate measurement data for environmental protection departments and scientific research institutions.

c. Chemical field: In the chemical production process, the micro gas mass flow meter can be used to monitor and control the gas flow in the industrial process to ensure the stability and safety of the production process.

d. Scientific research field: In scientific research and laboratory environments, the flow meter can be used to measure and analyze the gas flow in laboratory equipment, such as gas chromatograph, mass spectrometer, etc., to provide reliable experimental results for researchers.

Features

The microelectromechanical system (MEMS) flow sensing chip is adopted, and the sensor has the characteristics of high precision, high sensitivity and strong anti-interference.

This product has a display screen and setting buttons for easy operation and direct reading.

The zero point stability of the sensor is greatly improved than that of ordinary thermal flowmeters.

Full range high stability.

Full range precision and excellent repeatability.

Combined with structural optimization, the pressure loss of the flowmeter is greatly reduced and the energy consumption is reduced compared with the traditional mechanical instrument

LCD display instantaneous flow and cumulative flow, clear and intuitive, easy to read.

Optional 4~20mA standard current signal output and second impulse output.

Specifications

Performance	Technical Parameter
Accuracy(%)	±(1.5+0.2FS)
Response Time(ms)	50-1000
Maximum working pressure(Mpa)	1.0
Working power supply	15v-24v 100mA
Output mode	4-20Ma, Pulse (optional)
reveal	Instantaneous flow, cumulative flow
repeatability (%)	0.5
Intermediate temperature (℃)	-10~55
humidness	<95%RH(No frost, no icing)
Connection	GB/T7307-2001
power consumption	<2.4W
Communication	RS485(Modbus Protocol )
calibrate	Air（20℃，101.325kPa）
Zero stability (mv)	±20

Model Selection

01 Measure the medium, temperature, whether there is corrosion

02 Flow range and inside diameter of user pipe

03 Classification of process

04 Whether to local display

05 Working power supply

06 Signal output, communication

07 Whether to explosion-proof

08 Installation mode

09 Precision class

Application

Industrial process

Energy measurement

Environmental protection engineering

Transportation

Biotechnology

Scientific experiment

Marine meteorology

Rivers and lakes

Installation

Note: When installing and using, it is necessary to ensure that the front pipe end and the back pipe end of the above distance are ensured, and the straight pipe section is concentric with the pipe on the flow meter, and ensure that the flow meter is fixed and reliable. If the straight pipe section cannot be guaranteed, the accuracy of the flowmeter cannot be guaranteed.

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