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Target flowmeter

 Target flowmeter

Yj-bsl series Target flowmeter It has been used in industrial flow measurement since 1960s. It is mainly used to measure the flow rate of fluids with high viscosity and low Reynolds number, YJ-BSL The series of intelligent target flowmeter is based on the original strain gauge Target flowmeter Based on the principle of measurement , A new type of flow measurement instrument is developed by using the latest capacitive force sensor as the measuring and sensitive transfer element and the modern digital intelligent processing technology.

 

Yj-bsl series Target flowmeter Application range:

Gases: gas, air, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine, mixed gas, etc.

Liquid:

Heavy oil, paraffin, asphalt, sulfuric acid, edible oil, residual oil, acetone, diesel oil, mine water, detergent, soy sauce, gasoline, silicone oil, syrup, solvent , perfume, sea water, aviation kerosene, soap ketone water, glucose, vegetable oleic acid, brine, paste, ink, coolant, glycol, mineral oil, liquid sugar, hydrochloric acid, automotive paint, resin, tallow Vegetable oil, liquid oxygen, shampoo, toothpaste, gel, fuel oil, milk, bleaching agent, conditioner, soda, additive, cleaning agent, alkaline, ammonia, marine oil, chemical reagent, kerosene, glycerin, dye, water, nitric acid, high boiling point organic solution, lard, additive, alcohol, oil, ethylene, polypropylene, toluene, etc

 

Yj-bsl series Target flowmeter Measurement principle:
 Measuring principle of target flowmeter

The target flowmeter has high precision and strong corrosion resistance, which is suitable for the measurement of medium with high viscosity. When the medium flows in the measuring tube, the pressure difference between its kinetic energy and the target plate will produce a force on the target plate, which will cause a small displacement of the target plate. The magnitude of the force is directly proportional to the square of the medium flow rate

   F = Cd A •ρ• V2/2

   F: Force on target plate

   Cd : fluid resistance coefficient

   A : the axial projected area of the target plate to the measuring tube

ρ: medium density under working conditions

   V : the characteristic velocity of the medium in the measuring tube

The force acting on the target plate is transmitted by the target rod, which makes the elastic body of the sensor change slightly, and the corresponding electrical signal is output after circuit conversion.


 

Yj-bsl series Target flowmeter Main features:

1. Dry calibration method can be used in situ, that is, weight hanging method. Single key operation can complete the calibration;  
two
Various installation methods are available, such as online plug-in type with low installation cost;  
three
With integrated temperature and pressure compensation, direct output quality or standard square;  
four
It has optional small signal removal, nonlinear correction and filtering time;  
five
It can accurately measure all kinds of room temperature and high temperature five hundred Degree, low temperature -200 The flow rate of gas and liquid under the working condition of 0;  
six
Accuracy, accuracy 0.2222%  
seven
And good repeatability 0.05555% 0.08888% The measurement is fast;  
eight
The pressure loss is small 1/2 About △ P;  
nine
Anti interference and anti impurity ability;  
ten
The range can be changed according to the actual needs by replacing the choke (target);  
eleven
Low power battery on-site display, can read the indication value online, the display can read instantaneous and cumulative flow and percentage bar graph at the same time;  
twelve
Easy to install and maintain;  
thirteen
Remote transmission, various forms of output;  
fourteen
It can measure pulsating flow in a certain range.

 

Yj-bsl series Target flowmeter Technical parameters:

1. Measurement range 0-400t h  
two
Accuracy class: zero point five FS 1.0 FS 2.0 FS  
three
Output signal: four 20mA   The output of the two-wire system has a linear relationship with the flow rate  
four
Power supply voltage: twelve 36VDC  
five
Nominal pressure: 1.6 2.5 4.0 6.4MPa  
six
Ambient temperature: - thirty ℃~ sixty (Special: -40 ℃~ eighty ℃)  
seven
Normal medium: temperature one hundred ℃ (without heat sink)   High temperature type ≤ four hundred ℃ (with heat sink)
8. Liquid material: the measuring chamber is made of carbon steel or 1Cr18i9Ti ; the rest are 1Cr18Ni9Ti  
nine
Cast aluminum shell  
ten
Flange standard: DIN2501   The special type is selected by the user  
eleven
Cable interface: M20*1.5 (internal thread)  
twelve
Protection level: IP65
thirteen
Load characteristics: maximum load resistance = 50* (supply voltage - twelve =600 Ω @24V
fourteen
Alarm output: collector open circuit, maximum input current 100mA Maximum switching voltage 30VDC With deviation band control  
fifteen
Pulse output: minimum pulse width 50ms It can be output in two ways  
sixteen
Maximum cumulative flow display value fifty thousand Unit, auto reset  
seventeen
Damping time: one one hundred The second can be adjusted arbitrarily  
eighteen
Explosion proof form, explosion-proof mark and explosion-proof certificate number

 

Yj-bsl series Target flowmeter Product selection:

model

caliber

      Intelligent target flowmeter

YJ-BSL

10~5000

 

 

Code name

Instrument type

 

A*

Tapered pipe thread type

A

Pipe flange type

B

Clamping type

C

Plug in

D

On line removable

E

other

 

Code name

Media type

 

 

Y

liquid

Q

Gas

Z

steam

 

Code name

Medium temperature

D

low temperature (-30 -200 )

C

normal atmospheric temperature (-20 +80 )

Z

Moderate temperature (+80 +200 )

G

high temperature (+200 +500 )

 

 

Nominal pressure

A 0.6MPa B 1.0MPa C 1.6MPaD 2.5MPa E 4.0MPa F 5.0MPaG 10.0MPa H 15.0MPa I 20.0MPaJ 25.0MPa K 42.0MPa L 2.0MPaM 6.3MPa N 11.0MPa O 16.0MPaP 26.0MPa

Form of compensation

P : pressure compensation

T : temperature compensation

 

 

Output form

N

No output (internal lithium battery meter display)

S

Pulse output

R

Communication output

I

four 20mA Current output (two wire system)

K

Alarm switch output

G

GPRS Wireless remote transmission

Explosion proof structure

X

Intrinsically safe type

Y

Flameproof type

Shell material

T

carbon steel

N

stainless steel

Q

Special materials

Sensor material

one

Hastelloy

 

 

 

 

two

titanium

three

three hundred and four stainless steel

four

Special materials

 

Yj-bsl series Target flowmeter Quality commitment:

Jinhu Yijia Instrument Co., Ltd. is mainly engaged in electromagnetic flowmeter, vortex flowmeter, orifice flowmeter, magnetic flap level gauge, glass plate level gauge and other products, and provides a one-year warranty for all products. In case of product quality problems (excluding wearing parts or accessories) within one year, they shall be repaired free of charge, and technical support shall be provided free of charge.

Consultation hotline 0517-86936880 15358661880

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