2015年11月8日星期日

thermal mass flow meter,thermal mass flow controller, thermal mass flow measurement

thermal mass flow meter,thermal mass flow controller, thermal mass flow measurement
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Product Description
what's the brief introduction of Thermal mass flow meter ?                 
1.It is a true mass flowmeter that can conveniently and accurately measure gas-flow rate without temperature and pressure compensation, from which users can get gas mass flow or standard volume flow.
2.Large ratio of measuring range. It can measure gas with velocity of flow from 100Nm/s to 0.5Nm/s, and be used in gas leak hunting.
3.Good anti-seismic performance and long useful life. The converter doesn’t contain movable part and pressure sense part, so that the measuring accuracy will not be influenced by shaking.
4.Easy installation and maintenance. If possible, on line installations and maintenance are allowed. (See Safety Notice)
5.Digital design. The meter utilizes digital circuit measurement to assure accurate result and convenient maintenance.
6.Factory automation and integration can be achieved by using RS-485 or HART communication. 

what's the main features of thermal mass flow controller ?                   
1) If installed outside, the meter should be covered by sky shade to avoid exposing to the sun and rain.  
2) Do not install in sharp pounding situation.
3)Do not expose to dangerous environment heavily charged with corrosive gas.
4) Do not share power source with polluting equipment such as converter and welding machine, and power conditioner can be installed for converter if necessary.

what's the technical parameters of thermal mass flow measurement ?
Measuring medium
All kinds of gases (excluding acetylene)
Range of caliber
DN10~4000mm
DN25~2000mm
Range of velocity of flow
0.5~100Nm/s
Order of accuracy
±1%
Working temperature
Sensor: ambient temperature-10~+200°C
high temperature modification-10~+350°C
Converter: -10~+45°C
Working pressure
Medium pressure≤2.5 Mpa
Medium pressure ≤ 4.0 Mpa
Power supply source
All-in-one machine(DC24V or AC220V ≤ 18W)
Spilt type converter (AC220V ≤ 19W)
Response speed
1S
Output signal
4~20mA(photoelectric isolation with top load of 500Ω) RS-485(photoelectric isolation), HART protocal
Pipeline material
carbon steel, stainless steel, plastics,etc.
Display
All-in-one type: four lines with LCD
Contents of display
Gas mass flow, standard condition volume flow, accumulated flow, standard time, accumulated running time, temperature of media, standard flow rate etc.
Level of protection of one-time meter
IP67
Converter material
Stainless steel
Stainless steel, carbon steel

Real Details
PERFECT UNDER DETAILS 
We do Best in every details to produce Best products .

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Production Line
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Our Services
1) We are Alibaba Assessed 8 years Gold Supplier.
2) We have about 30 years experience in production.
3) Our products have been exported to more 100 countries and area.
4) 100% QC inspection Before Shippment.
5) ISO,CE,SGS standard and factory price.  
Exhibition                                                                                           
We believe exhibition is the Direct way to check product quality.                                                 
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Certifications
We apply for QUALITY CERTIFICATES for every meter,this is Important reason that clients are happy to choose us!
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Happy team                                                                                                     
We work together like a BIG FAMILY and try our best to offer BEST SERVICE for our every clients!
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Contacts
How to contact us ?                                                                                             
Skype:cixi-kitty 
Tel:(86)21-57632436
Mob(whatsapp):(86) 18930647859
Email: sales15@gninstruments.com  

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