TMFC500 Type:Mass Flow controller (2)

TMFC500 Type:Mass Flow controller (2)

 

    • Highly Accuracy at Low Flow

    • Fast Response2.0 sec
    • Wide Pressure Range Available(1000 PSIG)
    • No Leakage
    • No Temperature or Pressure Required
    • Connection compatible
    • High stable removable sensor
    • Corrosion resistance Value
    • Excellent Linearity
    • Excellent long term Stability
    • Modular design
    • Compact Flow Control System
    • With RS-485 function
    • Option function:Interface and Separate Type
    • ™Option Display with Digital: RS485 (default) / DeviceNet

     

    What is a thermal mass flow meter?


    Thermal mass flowmeter is an accurate, easy-to-install, low pressure drop type flowmeter. It is suitable for flow measurement and control of dry gas applications. Thermal mass flow meters are also available through the Gas Type Reference link application. The mass flow meter observes the cooling effect on the heated transducer as the air flow changes. Compared to other gas flow measurement equipment, the result is a high level of accuracy at a low cost.

    benefit:

    • High accuracy
    • Wide range of flows, including low flows
    • Simple and durable structure
    • Easy to install and maintain
    • Flexible connection of flow meters for flow control
    • Various process connections
    • Regulation ratio 100: 1
    • Low pressure drop on the flow meter
    • Provide convenient signal output

     

    Thermal mass flow meter principle

    Thermal mass flow meters use the thermal properties of a fluid to measure the motion of the fluid in a pipe or tube. In a thermal energy flow meter, the measured heat is applied to the heater of the sensor. A certain amount of energy is lost during the flow, and as the flow increases, more energy is lost. The energy lost by the sensor depends on the thermal characteristics of the fluid and the sensor design. The hot-pressing characteristics of a fluid may change with temperature and pressure, although these changes are usually irrelevant in most applications. Since heat flow measurement does not depend on the temperature or pressure of the fluid, a thermal energy flow meter can be used to estimate the mass flow of the fluid.

    In other words, in most applications, the nature of a fluid may depend on its composition. For these applications, different components of the fluid may interfere with the heat flow size during actual operation. Therefore, it is important for a thermal mass flow meter provider to understand the composition of the fluid so that the appropriate normalization factors can be processed to accurately determine the flow. Due to this limitation, thermal mass flow meters are often used to measure the flow of pure gases. Manufacturers can provide appropriate standardized information for other gas combinations, but the accuracy of a thermal mass flow meter depends on whether the actual gas mixture is the same as the gas mixture used for standardization purposes.

  • Model

    TMFC500V

    TMFC500VD

    TMFC500A

    TMFC500A

    Flow Range(N2)

    300~1000SLM

    300~1000SLM

    300~1000SLM

    300~1000SLM

    Response Time

    ≦2.0 sec

    Accuracy

    ±1.0 % FS

    Repeatabllity

    ±0.25 % FS

    Proof Pressure

    1500 PSI

    Leak rate

    1 x 10-9 atm.cc/sec or less

    Working temperature Range

    0~50

     

    Body:SUS316

    Materials of parts in contact w/gases

    Valve seat:Vition™(Option Bura™ or Kalrez™ or Teflon™)

     

    Standard:1/2" compression

    Joint

    Option: 1/4" Compression or VCR™,3/8" Compression or VCR™

    Electrical connections

    Dsub 15-pin male connector per standards

    Flow rate input signals

    0~5 Vdc

    0~5 Vdc+RS-485

    4~20mA

    4~20mA+RS-485

    Flow rate output signals

    0~5 Vdc

    0~5 Vdc+RS-485

    4~20mA

    4~20mA+RS-485

    required power supply

    +15~28 Vdc/350mA

     

    Use to Type

    ◎Yes

    No

    ◎Yes

    No

     

    Display interface

    Option:Interface or Separate Type(With Cable Line 1M or 3M) for TMFC500V/A only

    Option display

    communication Interface

    Digital: RS485 (default) / DeviceNet™ for TMFC500V/A only

     

    Power supply

    AC110~240 V for TMFC500V/A only




  • What is MFC

    mass flow controller (MFC) is a device used to measure and control the flow of gases.[1] A mass flow controller is designed and calibrated to control a specific type of liquid or gas at a particular range of flow rates. The MFC can be given a setpoint from 0 to 100% of its full scale range but is typically operated in the 10 to 90% of full scale where the best accuracy is achieved. The device will then control the rate of flow to the given setpoint. MFCs can be either analog or digital. A digital flow controller is usually able to control more than one type of fluid whereas an analog controller is limited to the fluid for which it was calibrated.

    All mass flow controllers have an inlet port, an outlet port, a mass flow sensor and a proportional control valve. The MFC is fitted with a closed loop control system which is given an input signal by the operator (or an external circuit/computer) that it compares to the value from the mass flow sensor and adjusts the proportional valve accordingly to achieve the required flow. The flow rate is specified as a percentage of its calibrated full scale flow and is supplied to the MFC as a voltage signal.

    Mass flow controllers require the supply gas or liquid to be within a specific pressure range. Low pressure will starve the MFC of fluid and cause it to fail to achieve its setpoint. High pressure may cause erratic flow rates.

    MFC application

    1.CVD machine

    What is CVD

    hemical vapor deposition (CVD) is a vacuum deposition method used to produce high quality, high-performance, solid materials. The process is often used in the semiconductor industry to produce thin films.

    In typical CVD, the wafer (substrate) is exposed to one or more volatile precursors, which react and/or decompose on the substrate surface to produce the desired deposit. Frequently, volatile by-products are also produced, which are removed by gas flow through the reaction chamber.

    Microfabrication processes widely use CVD to deposit materials in various forms, including: monocrystallinepolycrystallineamorphous, and epitaxial. These materials include: silicon (dioxidecarbidenitrideoxynitride), carbon (fibernanofibersnanotubesdiamond and graphene), fluorocarbonsfilamentstungstentitanium nitride and various high-k dielectrics.

     

    2.Valve manifold box/panel (VMB/VMP)

    What is VMB/VMP

    Through our experiences of handling gases, we have acquired the knowledge to design and manufacture gas panel (gas box) of EPI system and MOCVD, material supply system etc.
    Achievements in our business, we are able to design and manufacture to meet customer’s request (price and specification). We can handle the hub ring air supply of liquefied gases not just only normal gases. We also support with var-ous kind of legal application.

     

  • Model

    TMFC500V

    TMFC500VD

    TMFC500A

    TMFC500A

    Flow Range(N2)

    300~1000SLM

    300~1000SLM

    300~1000SLM

    300~1000SLM

    Response Time

    ≦2.0 sec

    Accuracy

    ±1.0 % FS

    Repeatabllity

    ±0.25 % FS

    Proof Pressure

    1500 PSI

    Leak rate

    1 x 10-9 atm.cc/sec or less

    Working temperature Range

    0~50

     

    Body:SUS316

    Materials of parts in contact w/gases

    Valve seat:Vition™(Option Bura™ or Kalrez™ or Teflon™)

     

    Standard:1/2" compression

    Joint

    Option: 1/4" Compression or VCR™,3/8" Compression or VCR™

    Electrical connections

    Dsub 15-pin male connector per standards

    Flow rate input signals

    0~5 Vdc

    0~5 Vdc+RS-485

    4~20mA

    4~20mA+RS-485

    Flow rate output signals

    0~5 Vdc

    0~5 Vdc+RS-485

    4~20mA

    4~20mA+RS-485

    required power supply

    +15~28 Vdc/350mA

     

    Use to Type

    ◎Yes

    No

    ◎Yes

    No

     

    Display interface

    Option:Interface or Separate Type(With Cable Line 1M or 3M) for TMFC500V/A only

    Option display

    communication Interface

    Digital: RS485 (default) / DeviceNet™ for TMFC500V/A only

     

    Power supply

    AC110~240 V for TMFC500V/A only

  • Order Information

                   

    TMFC

    Code

    Flow Range

     

     

     

     

     

     

     

     

    125

    30~100SLM

     

    300

    100~300SLM

     

    500

    300~1000SLM

     

     

    Code

    In/Out Signal

     

     

    V

    0~5Vdc(Standard Type)

     

     

    A

    4~20mA

     

     

    VD

    0~5Vdc+RS-485(Can't use to option display type)

     

     

    AD

    4~20mA+RS-485(Can't use to option display type)

     

     

     

    Code

    Fitting Size

     

     

     

    2

    1/8"

     

     

     

    4

    1/4"

     

     

     

    6

    3/8"(Standard Type for TMFC125/300)

     

     

     

    8

    1/2"(Standard Type for TMFC500)

     

     

     

     

    Code

    Fitting Type

     

     

     

     

    A

    Compression SWL

     

     

     

     

    V

    Male VCR

     

     

     

     

     

    Code

    Seal

     

     

     

     

     

    V

    Viton(Standard Type)

     

     

     

     

     

    B

    Buna

     

     

     

     

     

    K

    Kalrez

     

     

     

     

     

    T

    Teflon

     

     

     

     

     

     

    Code

    Option Display Fuction#1

     

     

     

     

     

     

    N

    Without(Standard Type)

     

     

     

     

     

     

    I

    Interface Type

     

     

     

     

     

     

    D

    Separate Type with Cable Line 1M

     

     

     

     

     

     

    E

    Separate Type with Cable Line 3M

     

     

     

     

     

     

     

    Code

    Option Display Fuction#2

     

     

     

     

     

     

     

    F

    Digital:Rs-485(Standard Type)

     

     

     

     

     

     

     

    C

    DeviceNet

     

     

     

     

     

     

     

     

     

     

    TMFC

     

     

     

     

     

     

     

    Complete Ordering Code

    *Note:All Model come with Power Supply(+15~28 Vdc/350mA)

             

    *Note:Using customer Logo launch to more than 100 united for  one year