LKY Coriolis Mass Flow Meter Measurement

Lky mass flow meter, a patented product developed by our factory, is an advanced high-precision mass flow measuring instrument.Due to its excellent performance, it has high measurement accuracy, low requirements on fluid state and small pressure loss.Coriolis force ( coriolis force ) meters of various specifications can directly obtain the mass, volumetric flow rate, density and temperature of the liquid or slurry to be measured without manual calculation or estimation.



Features

Our quality flow meter can show excellent performance even in bad working environment.It has no moving parts, no complex installations, and no demanding working conditions.Each sensor is made of stainless steel, the various output of the transmitter can meet your various requirements.

The company's instruments have been in China to obtain the explosion-proof certification, measuring instrument type approval certificate and Manufacturing meter license.

The company's instrument implementation standards are:

JJG 897-1995 Verification regulation of mass flow meter

JJG 1038-2008 Verification regulation of mass flow meter


Technical parameters of the product

(1)Technical indicators

Table of technical parameters                                                                                    Table 1

Index name

Technical parameters

Mass flow measurement accuracy

±[0.2%+(Zero stability / instantaneous mass flow×100%)]

Mass flow measurement repeatability

±1/2×[0.2%+(Zero stability / instantaneous mass flow×100%)]

Density measurement range

0.2g/cm~3.5/cm

Density measurement accuracy

±0.002g/cm

Temperature measurement range

60~+200

Temperature measurement accuracy

±1

Current output

4mA~20mA

 Frequency output

0kHz~10kHz

Batch relay contact capacity

24V/0.1A

Batch relay contact form

Normally openWhen the user orders, it can be changed to a regular closure


(2)Basic Parameters                                                

Large working environment parameters                                                                         Table 2

Name 

 Parameters

Fluid medium temperature

40~+200

Working environment temperature

0~+40

Working environment humidity

90%RH,Non-condensing

Atmospheric pressure

86KPa~106KPa

Transmitter power supply requirements

Intrinsically safe power supply voltageAC(220±10%)V,(50±5%)Hz

Compound power supply voltage:(24±10%V

Whole machine power

<15W


Specifications and basic parameters                                                                                           Table 3

Model specification

Nominal diametermm

Flow range

(t/h)

Measurement range

(t/h)

Upper limit of work pressureMPa

Zero stability

(t)

Velocity factor

h m/t s

DN1

1

0~0.04

0~0.85L/min

0.004~0.04

0.085~0.85L/min

30.0

0.000008

353.7

DN3

3

0~0.35

0~7.48L/min

0.035~0.35

0.748~7.48L/min

30.0

0.000067

39.3

DN6

6

0~0.7

0~14.95L/min

0.07~0.7 1.495~14.95L/min

30.0

0.00016

19.65

DN10

10

0~1.2

0~25.64L/min

0.12~1.2

2.564~25.64L/min

30.0

0.0002

4.912

DN15

15

0~6.4

0.64~6.4

4.0

0.0011

2.183

DN25

25

0~16

1.6~16

4.0

0.002

0.902

DN40

40

0~40

4~40

4.0

0.003

0.334

DN50

50

0~65

6.5~65

4.0

0.006

0.197

DN80

80

0~160

16~160

2.5

0.01

0.0873

DN100

100

0~250

25~250

2.5

0.015

0.0544

DN150

150

0~550

55~550

2.5

0.03

0.0239

According to:quality=volume*density formula,We can get: the volume of a liter of kerosene =1 kg/the density of kerosene;

And according to:The density of kerosene is: 0.78 kg/cubic decimeter (L) easy to get a kilogram of aviation kerosene volume = 1 kg/0.78 = 1.282 liters, that is, a kilogram of 3# aviation kerosene volume is 1.282 liters (liter).

A ton of aviation kerosene =1000 kg of aviation kerosene =1282 liter of aviation kerosene


(3)Explosion-proof mark

Explosion-proof mark table                                                                                       Table 4

Explosion-proof type

Explosion-proof mark

Intrinsically safe Flowmeter

ExdBT4

Compound Flowmeter

ExiaBT4


Product structure composition

Product classification map

According to the nominal diameter of the pipe, the product specifications can be divided into:DN1、DN3、DN6、DN10、DN15、DN25、DN40、DN50、DN80、DN100、DN150(unit:mm)Eleven species


2、Product component

Product component diagram

This product consists of two parts: sensor (primary instrument) and transmitter (secondary instrument).

The sensor (primary meter) is the mechanical part of the mass Flowmeter, which is equipped with exciter, displacement sensor and temperature sensor.

The transmitter (secondary meter) is the display part of the meter and the electrical part of the meter. It is equipped with a power module, a signal processing module, an A/D conversion module, a display module, a transmission output module, etc. Its basic function is to receive and process the signal of the sensor, and directly obtain mass flow, temperature and density after processing. According to the above parameters, the parameters of the required measurement such as the volume flow rate are derived; the display, output, storage and remote transmission can be displayed; the flowmeter parameters can be modified. The safety barrier is installed inside the transmitter to protect against explosion-proof isolation.

The sensor (primary table) of the complex type flowmeter is intrinsically safe, while the transmitter (secondary table) is flameproof. Both the sensor and the transmitter can work in explosive gas environment and can be placed in danger area.

The sensor (primary meter) of the intrinsic safety type of flow meter can be used in explosive gas environment, while the transmitter can only work in the specified safety environment.


Installation dimensions                                                                                                Table 5

Model

Nominal

diameter 

DNmm

Dimensions and related dimensionsmm

Number of flange connections and diameter or threaded nipple

Weight

(kg)

A

B

C

D

DN1

1

193

200

75

(234)

M12×1.5internal thread

4

DN3

3

193

225

75

(288)

M12×1.5internal thread

4.5

DN6

6

214

234

69

(328)

M16×1.5internal thread

7.5

DN10

10

256

291

73

(370)

M20×1.5internal thread

9

DN15

15

379

503

90

ɸ65

4-ɸ14

15

DN25

25

473

548

96

ɸ85

4-ɸ14

18.5

DN40

40

522

613

116

Φ110

4-ɸ18

25.5

DN50

50

597

676

137

ɸ125

4-ɸ18

35

DN80

80

650

837

175

ɸ160

8-ɸ18

53.5

DN100

100

714

934

198

ɸ190

8-ɸ22

70

DN150

150

815

1123

265

Φ250

8-ɸ26

85


Product Tags flange type thermal gas mass flowmeter          mass flowmeters          gas flowmeters          mass probar flowmeter          coriolis mass flowmeter          natural gas flowmeters          gas roots flowmeter          roots flowmeter for gas          thermal mass         

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