Feature
■High pressure leakage monitoring and protection (type C)
The use of special explosion-proof leakage measurement sensor, real-time monitoring of CNG leakage and early warning;Adopt high pressure stainless steel metal shell to realize double protection of leakage;
■High measurement accuracy
The maximum accuracy is up to 0.1% of the indicated value, and the maximum range ratio is 100:1.
■Time and temperature drift
The transmitter adopts frequency domain digital signal processing technology, high precision, good stability, high precision real-time medium mass flow and density calculation;Solve the problems of time drift and temperature drift;And at the same time with current, pulse, digital output interface, suitable for a variety of systems.
■Strong adaptability
The patented technology of coupling vibration isolation is used to make the product insensitive to on-site vibration interference and highly adaptable.
■Easy to install
Equipped with integrated transmitter, easy to install, no straight pipe section requirements, whether in the upstream or downstream of the sensor, fully compatible with similar foreign products.
Product categories
1. LKC type mass flow meter
LKC mass flow meter is suitable for measuring almost all liquids without solid particles, mainly used in food, petroleum, chemical industry and other industries.
(1.1) Product features:
■Measurement accuracy: conventional customizable ±0.1%
■Using frequency domain digital signal processing technology, the product has no time drift and temperature drift
■Using digital closed - loop control technology, good stability
■Patented vibration coupling technology, strong anti-interference ability
■Easy operation, simple maintenance, equipped with integrated transmitter
(1.2) Basic performance indicators: Table 1
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Product size（mm）
Range range (kg/h)
measurement accuracy
Density measurement range (g/cm3)
Working temperature range (℃)
Explosion-proof grade
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DN1～DN250
0.5～1600000
±0.15%, ±0.1,Repeatability: ±0.05%
0 ~ 3.0, accuracy: ±0.0005
-180～+350, measurement accuracy: ±0.5
Ex d ib IIC T6 Gb
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power supply
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85～245VAC/18～36VDC/
22VDC～245VAC
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Output interface
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0 ~ 10kHz, accuracy ± 0.1%、4 ~ 20mA
Accuracy±0.05%、MODBUS、HART
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2. LKD type mass flow meter
LKD mass flowmeter is a special mass flow sensor designed for the measurement of compressed natural gas (CNG). It can be used in any gas feeder, and can also be used as a special sensor for cars or light and heavy vehicles.
(2.1) Product features:
■Measurement accuracy: ±0.15%, customizable ±0.1%， gas ±0.35%～ ±0.5%
■Using frequency domain digital signal processing technology, the product has no time drift and temperature drift
■The system adopts digital closed-loop control technology with good stability and real-time feedback system damping
■The variation is suitable for gas-liquid two-phase flow
■Easy to install, fully compatible with similar foreign products
■With double side leakage protection function
(2.2) Basic performance indicators: Table 2
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Product size（mm）
Range range (kg/h)
measurement accuracy
Density measurement range (g/cm3)
Working temperature range (℃)
Explosion-proof grade
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DN8、DN15、DN25
30～16000
±0.15%、±0.1%、Repeatability:±0.05%
0～3.0,accuracy:±0.0005
-50～+180,measurement accuracy:±0.5
Ex d ib IIC T6 Gb
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power supply
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24VDC(21.6V～36V)
220VAC(85V～245V)
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Output interface
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0 ~ 10kHz, accuracy ± 0.1%、4 ~ 20mA
Accuracy±0.05%、MODBUS、HART
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Selection information
Table 3
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Classification
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Specifications
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Representation symbol
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Description
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Tube type and purpose
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LKC universal type
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C
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Applicable to petroleum, chemical, food and other industries
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|
LKD special type
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D
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Suitable for high pressure medium such as natural gas
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Caliber
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DN001~DN250
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001~250
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Represents the diameter of 0.8mm~250mm
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Connection method
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One -piece
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-000-
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The length of the integral cable is 0m, represented by 000
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Split type
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-XXX-
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XXX represents the actual cable length of the split-type flowmeter, such as 001 represents the cable length of 1m, 1 XXX 100
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Precision
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±0.5％
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05
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Accuracy is 0.5 level
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±0.2％
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02
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Accuracy is 0.2 level
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±0.15％
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13
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Accuracy is 0.15 level
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±0.1％
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01
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Accuracy is 0.1 level
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Measuring tube pressure level
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4 MPa
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P4
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Represents the maximum pressure that the equipment can withstand the medium under test
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10 MPa
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P10
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Represents the maximum pressure that the equipment can withstand the medium under test
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34.5 MPa
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P34
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Represents the maximum pressure that the equipment can withstand the medium under test
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Other
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P
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Customized according to customer requirements
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Measuring tube material
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316L
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L
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Common material, a kind of stainless steel
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Hc
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H
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Hastelloy
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Other
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O
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Customized according to customer requirements
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Process connection mode (C, D type)
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Within the 3/4 NPT
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E
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3/4 inch NPT internal thread Swagelok 12 VCO connections
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Outside the 3/4 NPT
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B
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3/4 inch NPT male thread Swagelok 12 VCO connections
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12 VCO
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C
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Swagelok is compatible with 12-inch VCO connectors
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ANSI
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A
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American National Standard
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JIS
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J
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Japanese industrial standard
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GB
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G
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China mandatory national standards
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DIN
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D
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German standard
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HG
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H
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China chemical industry standard
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Other
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O
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Customized according to customer requirements
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Fluid temperature
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-50℃~180℃
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S
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Be measured medium temperature range - 50 ℃ ~ 180 ℃
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-50℃~350℃
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H
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Be measured medium temperature range-50℃~350℃
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-180℃~120℃
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L
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Be measured medium temperature range -180℃~120℃
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Protection grade
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Ip65
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1
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It can protect against water splashing and completely prevent dust
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Ip67
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2
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Can protect water spray, completely dustproof
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Ip68
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3
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It can be soaked continuously and completely dustproof
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Power supply
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AC power
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1
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85~240VAC，50/60Hz
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Dc power supply
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2
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18~36VDC
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Adaptive power supply
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0
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Adaptive power supply, 22VDC~245VAC
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Display unit
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No display
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N
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No display, no keyboard
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Have a show
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Y
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There is a display, with a touch keyboard
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Output way
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1 way current
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0
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1 channel current +1 channel pulse +1 channel RS485
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1 way current (with HART)
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1
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1 current (with HART) + 1 pulse + 1 RS485
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2 way current
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2
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Current +1 pulse +1 RS485
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2 way current (with HART)
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3
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2 currents (with HART) + 1 pulse + 1 RS485
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Other
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9
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Customized according to customer requirements
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Outgoing interface
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M20X1.5
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M
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Universal
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1/2NPT
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N
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Taper pipe thread
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Other
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X
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Customized according to customer requirements
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Explosion-proof requirements
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Not explosion-proof
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N
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Not capable of being used in dangerous places
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Explosion-proof
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Y
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Certification level: Ex d ib IIC T6 Gb
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Product appearance and installation size
1.LKC mass flowmeter dimensions
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Specification
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Caliber
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End face length L
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Height H
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Bolt hole center circle diameter K
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Number of bolt holes n
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Bolt aperture d
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Flange thickness t
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Connection method
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LKC001
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0.8
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355（3）
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204（4）
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—
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—
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—
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—
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G1/8 internal thread
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LKC003
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3
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304（5）
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184（6）
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—
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—
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—
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—
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G1/8 internal thread
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LKC008
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8
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250（5）
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206.5
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—
|
—
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—
|
—
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G1/2 internal thread
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LKC015
|
15
|
326
|
271.5
|
65
|
4
|
14
|
14
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Flange
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LKC025
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25
|
424
|
330
|
85
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4
|
14
|
16
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Flange
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LKC050
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50
|
566
|
491
|
125
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4
|
18
|
20
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Flange
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LKC080
|
80
|
732
|
608
|
160
|
8
|
18
|
24
|
Flange
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|
LKC100
|
100
|
1182
|
973.5
|
190
|
8
|
22
|
24
|
Flange
|
|
LKC150
|
150
|
1362
|
1347
|
250
|
8
|
26
|
28
|
Flange
|
(1) Comply with the PN40 flange standard of GB/T9115-2000, in which LKC015, 100, 150 comply with Series 1, 025, 050, 080 comply with Series II flange standards;
(2) Compliance with the PN40 flange standard of HG/T20592-2009, in which LKC015, LKC100, and LKC150 comply with Series A, LKC025, TCD050, and LKC080 comply with Series B flange standards;
(3) Contains two Nickfords G1/8 to ф4 ferrule straight joint lengths, the length of the end face without the Nick Foss joint is 314;
(4) Refers to the vertical height of the center hole of the fixed bottom of the large base plate to the center of the joint hole on both sides;
(5) Excluding the length of the joint;
(6)The sensor is installed upright, from the lowest point of the outer casing to the perpendicularity of the center of the threaded hole on both sides;
