Digital Gas Coriolis Mass Flow Meter

Measuring Principle

The principle of measuring flow is based on rule of Coriolis Motion.

After transmitter connecting with sensor, time difference is measured by signal of velocity sensor, then calculate mass flow value by mass circulation calibration coefficient.

Transmitter is used to make stream tube resonant, directly measure the parameters of mass flow, temperature, density and so on for medium according resonance frequency.

Application

Coriolis Mass Flowmeter is applied for precision measurement in the fields of CNG, LNG, Petrochemical, New energy, Automotive, Smelting industry, Paper and pulp, Environmental monitoring, Cryogenic and etc. Its function is for trade settlement and process control to ensure precision reflection, optimizing production, enhanced safety and maintenance cost save.

Design

Coriolis Mass Flowmeter consists of transmitter and sensor.

Transmitter is an electronic instrument which bases on high-performance microprocessor. This transmitter connects with sensor, integrating as amass flow measure system.

Transmitter provides Pulse output signal, Current loop/Hart(only for with display) and Data-communicate port(RS-485).

T2000 model transmitter can be equipped with display to provide visual parameters and user setting.

Technical Specification

Accuracy Grade 0.15, Grade0.2, Grade0.5, Grade1.0……

Density ±0.001g/cm3

Ambient temp. -25℃~+55℃

Relative humidity ≤95%

Measuring medium Gas,Liquid

Medium temp. Cryogenic: -196℃~+70℃;

Normal temp.: -40℃~+70℃

Meter tube mat’l 316L

Output Modbus/RS-485

The default baud rate is 38400bit/s.

Pulse output signal: 

Passive: Open collector, max 36VDC,100mA,electric isolation.

Pulse output: The value is optional. Pulse polarity is positive.

Current output(only for with display):

Passive: 4~20mA HART. Power: 12VDC~40VDC

RL<700Ω, Resolution ratio: 2.24uA

Power voltage 12VAC~30VAC / 15VDC~40VDC

Elect. Conn. M20×1.5

General tech parameters

Accuracy Grade 0.15, Grade0.2, Grade0.5, Grade1.0……

Density ±0.001g/cm3

Ambient temp. -25℃~+55℃

Relative humidity ≤95%

Measuring medium Gas,Liquid

Medium temp. Cryogenic: -196℃~+70℃;

Normal temp.: -40℃~+70℃

Meter tube mat’l 316L

Meter tube mat’l 316L

Standard parameter of communication of Modbus/RS-485

Model Product Picture Visible function Output signals Certifications of Expl.-proof and Protection

T1000 Without display Modbus/RS-485, Pulse IP67

CNEX:Ex d ib ⅡB

T5 Gb

CCS

T2000 Optional display Modbus/RS-485, Pulse, Current loop/HART(Only for with display) IP67

CNEX:Ex d ib ⅡC

T6 Gb

More Choices 

Model Caliber Maximum flow rate

CMF008 1/4 inch DN 08 mm 55 Lb/min 6.6 gal/min 1500 kg/h 1500 I/h

CMF015 1/2 inch DN 15 mm 88 Lb/min 10.6 gal/min 2400 kg/h 2400 I/h

CMF020 3/4 inch DN 20 mm 264 Lb/min 31.7 gal/min 7200 kg/h 7200 I/h

CMF025 1 inch DN 25 mm 550 Lb/min 66 gal/min 15000 kg/h 15000 I/h

CMF050 2 inch DN 50 mm 2203 Lb/min 264 gal/min 60000 kg/h 60000 I/h

CMF080 3 inch DN 80 mm 5727 Lb/min 687 gal/min 156000 kg/h 156000 I/h