ECO FLOW-3000C


Digital Mass Flow Controller (Large Range)

Product Introduction


ECO FLOW digital mass flow controller consists of a mass flow sensor, laminar flow stratification components, flow controller regulating valve and amplification control circuit. It uses digital signal input and output and has the characteristics of short warm-up time, small zero drift and high reliability.

Product Application

Glass IndustrySolarAtmospheric monitoringIndustrial productionPetroleum and Petrochemical
Coal MetallurgyGas production and distributionEnvironmental friendlyVarious instrumental analysis
Product Overview

  • Thermal principle, higher precision, faster response; with network port
  • Tubular shunt, not easy to clog
  • Applicable to various low-pressure and high-pressure pipelines
  • Short preheating time, small zero drift, high reliability
  • Digital input/output can use secondary meter or flow computer to control and display flow

 

ECO FLOW mass flow controller is composed of mass flow sensor, laminar flow stratification parts, flow controller regulating valve and amplification control circuit. It is made by using the heat transfer effect of flowing fluid to change the temperature distribution of the capillary wall.


ECO FLOW uses the principle of temperature difference calorimetry before and after capillary heat transfer to measure the mass flow of gas, which is not affected by temperature and pressure. The flow signal measured by the sensor is amplified and then compared with the set voltage. The difference is used to drive the control valve to close the loop and control the flow through the channel to make it equal to the set flow.

Product Parameters

Range300SCCM~3000SLM
Measurement and control rangeRange ratio 100:1
Accuracy±1.0%FS
Linear±0.5%FS
Repeatability±0.2%FS
Response time
<0.8s
Digital quantityRS232/485, MODBUS protocol
Analog0~5V、4-20mA、1~5V
powered by±15VDC, 24VDC
Operating temperature0~50 ℃
Work PressureWorking pressure difference: <0.01Mpa
Maximum withstand voltage3MPa/10MPa
Electrical ConnectionsDB15 hole
Leak rate1×10 -9 Pa m3/S
Temperature coefficient±0.025%FS/℃
Base materialStainless steel
Sealing materialFluororubber, Neoprene, Nitrile rubber
Connectorsφ12, flange installation
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