Categories

New Products

Smart gas Roots (waist wheel) flow meter Intelligent gas waist wheel (Roots) flowmeter is a new generation flowmeter that integrates flow, temperature, and pressure detection functions, and can automatically compensate for temperature and pressure. Gas is a compressible fluid, and its volume value is closely related to temperature and pressure. In order to unify standards for both parties, it is necessary to convert the actual volume into a standard volume under reference conditions (101.325 kPa 20°C). In order to achieve this purpose, the smart gas waist wheel flowmeter can accurately correct the volume of gas; it is an ideal instrument for gas measurement in urban gas, petroleum, chemical, electric power, metallurgy and other industries. more
TUF Series Portable Ultrasonic Flow Meter The TUF series ultrasonic flow meter utilizes the principle of low voltage and multiple pulsation time difference, adopts the high-precision and ultra-stable differential transmission of double-balanced signals and differential receiving digital detection technology to measure the acoustic wave transmission time in both the downstream and counter-current directions, and calculates the flow rate according to the time difference.It has the characteristics of good stability, small zero drift, high measuring accuracy and high anti-interference of measuring range over wide. more
LDB Intelligent Type Electromagnetic Flow Meter The LDB intelligent type electromagnetic flow meter consists of a sensor and a converter. It is based on Faraday's law of electromagnetic induction, which is used to measure the volume flow of conductive liquid with conductivity greater than 5μs/cm. It is an inductive meter for measuring the volume flow of conductive medium. In addition to measuring the volume flow of general conductive liquid, it can also be used to measure the volume flow of strong corrosive liquids such as strong acid and alkali and uniform liquid-solid two-phase suspension liquid such as slurry, pulp and paper pulp. more
LKQ Thermal Gas Mass Flow Meter LKQ thermal gas mass flow meter is a mass flow measurement and monitoring meter,which can detect air, natural gas, hydrogen, oxygen, chlorine, nitrogen and ammonia, ammonia, coal gas, phosgene, flue gas and various chemical mixtures, without pressure and temperature compensation. It can be widely used in petroleum, chemical, metallurgy, electric power, water treatment, paper, food, medicine, cement, textile and various production, scientific research units for process control and gas flow measurement. Widely used in: flow measurement of steel plant, coking plant gas. more
LLGQ Gas Roots /Waist Wheel Flow Meter The gas roots flowmeter has been used as a volumetric meter for more than 100 years. With the features such as high precision, wide range, small volume, light weight, convenient installation and maintenance, reliable and durable service life, it is widely used in natural gas, coal gas, air and other gas flowmeters.It is an ideal flowmeter device for urban gas, oilfield chemical, scientific research and other departments at home and abroad. more
High Precision Gas Turbine Flow Meter Gas turbine flowmeter is a new generation of high precision, high reliability gas precision measuring meter integrating temperature, pressure, flow sensor and intelligent flow totalizer developed by the advanced technology of flow meter at home and abroad, optimized by theories of gas mechanics, fluid mechanics and electromagnetics, which has excellent low pressure and high pressure metering performance. more
LUGK Multi Variable Type Vortex Flow Meter Mass vortex flowmeter, simple to install. Connection mode: flange and clamping connection. It has superior reliability and stability due to no movable part, and the detecting portion has only a simple configuration of the vortex generator. Low pressure loss, no leakage point, and high safety performance. Robust sensor construction for high temperature (up to 3500 ° C), high pressure fluid. more
LUGC Steam Gas And Liquid Insert Type Vortex Flow Meter The Insert Type vortex flowmeter is simple in structure and can be made into online installation type.Applicable to large diameter gas, steam flow measurement, etc.Easy installation, no pipe design. more
LUGB Flow Instrumentation Vortex Flow Meter The vortex flowmeter is a speed type flow instrument which has a wide range of uses. It is suitable for flow metering, measurement and control of liquids, steam and most gases. more

LKM Thermal Gas Mass Flow Controller

Gas mass flow controller (MFC) is used for accurate measurement and control of gas mass flow.Widely used in oil, gas, chemical, smelting, energy and other fields.The size of the sensor has been reduced to micron level and the sensitivity of the flow meter has been greatly improved by adopting microelectromechanical system chip processing technology, large-scale integrated circuit production technology and material growth technology.

Product Origin:
China
Shipping Port:
Huangpu port
Lead Time:
Spot
MOQ:
1

Product Details

Features

■Using microelectromechanical system chip processing technology and mass integrated circuit production technology and material growth technology, the size of the sensor has been reduced to micron level, which greatly improves the sensitivity of the flowmeter.

■ Multi - sensor integration is realized on a single chip, which greatly improves the measuring range ratio ( range degree ) of the flowmeter.

■ The zero point stability of the sensor is greatly improved compared with the traditional thermal mass flowmeter.

■ Combined with the microcomputer intelligent technology of the secondary instrument, the flowmeter has good repeatability, and the measurement is accurate and reliable.

■The simplified structure brought by technological progress makes the flow meter greatly reduce the pressure loss compared with the traditional mechanical instrument, and greatly reduces the energy consumption.

■ Micro power consumption design.Use LCD to display instantaneous flow rate and accumulated flow rate, clear and intuitive, easy to read.

■The product integrates electromagnetic compatibility design technology and has higher anti-interference ability.

■The flow meter is equipped with RS485 communication module, which can be centrally managed with the host computer network.

Product technical index and selection

1.Product technical index Table 1


Model	LKM2120	LKM2190	LKM3030	LKM3060	LKM3080	LKM3120	LKM3190
Diameter DN	12mm	19mm	3mm	6mm	8mm	12mm	19mm
Flow range :L/Min	0.3-300	0.8-800	0.15-50	0.5-50	1.2-120	3-300	8-800
Range ratio	100:1
Precision	±(1.5+0.5FS)%
Repeatability	±0.75
Maximum working pressure MPa	1.0		1.5
Working temperature	-10~55℃
Humidity	<95%RH(No ice, no dew）
Working power supply	8-24Vdc,35mA			8-24Vdc,35mA
Output	4-20mA;RS485;pulse
Mechanical interface	NPT,BSPT（Can be customized according to user needs）
Repeatability precision (%F·s)	±0.2%F.S
Input and output signal voltage	0 ~ +5.00V
Power supply	+15V±5%50mA,-15V±5%200mA
Working pressure range (MPa)	0.05 ~ 0.3
Accuracy (%F·s)	±1%F.S(20,30SLM ±2%F.S)
Repeatability precision (%F·s)	±0.2%F.S
Flow range	0~5,10,20,30,50,100,200,300,500SCCM 0~1,2,3,5,10,20,30 50 100 500 1000SLM

2、Instrument selection

Table 2

Model code								Thermal gas mass Flowmeter
LKM2	-¨	¨	¨	¨	¨	¨	¨	Code description
LKM3	-¨	¨	¨	¨	¨	¨	¨
Diameter	03							DN3mm
	06							DN6mm
	08							DN8mm
	12							DN12mm
	19							DN19mm
Connection method		0						Standard
Connection method		1						N-NPT(Can be customized according to user needs)
Output signal			C1					4-20mA
			C2					Pulse
			C3					RS485
Whether the watch head is displayed with or not				D1				No display at the head
Whether the watch head is displayed with or not				D2				Head instantaneous flow display
Explosion-proof grade				E1				Non-explosion-proof type
Explosion-proof grade				E2				Explosion-proof type
Measuring gas medium					F1			Air
					F2			Oxygen
					F3			Nitrogen
					F4			Argon
					F5			Carbon dioxide
					F6			Sky oxygen

Product structure size and installation

1.Structure size

LKM shape and installation dimensions are shown in the figure：

Shape and mounting dimensions

Table 3

Model specification	Diamete d(mm)	Interface	L(mm)	H(mm)	W(mm)	C(mm)
LKM3030	3	1/8”	96	125	35	36
LKM3060	6	1/4”	104	127	35	36
LKM3080	8	3/8”	106	134	35	50
LKM3120/LKM2120	12	1/2”	142	137	40	50
LKM3190/LKM2190	19	3/4”	182.5	150	40	70

2、Product installation

This product is recommended for horizontal installation.The arrow on the base indicates the direction of medium flow.The media inlet and outlet port connection must be correct, and the inlet side shall be equipped with a high efficiency filter.

Installation steps:

(1)After taking out the flowmeter, check its appearance to make sure there is no loss；

(2)Connect and clean pipes；

(3)Install the flowmeter on the pipe and note the following；

①In order to ensure the measurement accuracy of the Flowmeter, the upstream end of the Flowmeter should be connected first, the upstream straight section should meet the minimum requirement of 10DN, and the downstream straight section should meet the minimum requirement of 5DN；

②When the flowmeter is installed, it shall not contain any sealing material；

(4)Connect the power cable, pay attention to the polarity of the connection, and make sure the input dc voltage is at (5~12) VDC；

(5)If it is necessary to connect the signal line, make sure that the signal line is correctly connected to the corresponding user interface；

(6)Turn on the power and the LCD display is correct；

(7)Open the upstream and downstream valve of the pipeline and the flowmeter begins to measure the gas flow in the pipeline.

Hot Tags :

Gas Mass Flow Controller Mass Flow Controller Intelligent Mass Flow Controller Electronic Gas Mass Flow Meter Thermal Mass Flow Controller

Previous :
LKQ Thermal Gas Mass Flow Meter

A free consultation

Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.

Subject : LKM Thermal Gas Mass Flow Controller

If you have questions or suggestions,please leave us a message,we will reply you as soon as we can!

Related Products

LKQ Thermal Gas Mass Flow Meter

LKQ thermal gas mass flow meter is a mass flow measurement and monitoring meter,which can detect air, natural gas, hydrogen, oxygen, chlorine, nitrogen and ammonia, ammonia, coal gas, phosgene, flue gas and various chemical mixtures, without pressure and temperature compensation. It can be widely used in petroleum, chemical, metallurgy, electric power, water treatment, paper, food, medicine, cement, textile and various production, scientific research units for process control and gas flow measurement. Widely used in: flow measurement of steel plant, coking plant gas.

LKQ Thermal Mass Gas Flow meter

LKQ series thermal type gas mass flowmeter is a mass flow measurement and monitoring meter,which can detect air, natural gas, hydrogen, oxygen, chlorine, nitrogen and ammonia, ammonia, coal gas, phosgene, flue gas and various chemical mixtures, without pressure and temperature compensation. It can be widely used in petroleum, chemical, metallurgy, electric power, water treatment, paper, food, medicine, cement, textile and various production, scientific research units for process control and gas flow measurement.

Compressed air LKQ thermal mass gas flow meter

The LKQ series thermal gas mass flow mete provide a reliable solution for gas mass flow detection. Low flow sensitivity, fast response and wide range ratio make this model of meter the first choice for many important gas applications. The Steel-Trak sensor automatically corrects the effects of temperature and pressure, making the mass flow output more stable and reliable. Its advantages in gas measurement are particularly pronounced, especially in the case of low pressures and complex gas compositions.

New Intelligent Vortex flow meter

Ⅰ.General The vortex flowmeter is a speed type flow instrument which has a wide range of uses. It is suitable for flow metering, measurement and control of liquids, steam and most gases.

LDR High Precision Electromagnetic Heat Meter

LDR electromagnetic heat meter is designed for the special application of intelligent building distributed energy and heat exchange station, which can directly measure flow and cold and heat. It does not need additional flow totalizer and Pt1000. It is easy to install with low cost. The electromagnetic flow sensor is used as an electromagnetic heat meter for detecting the flow rate of the heat transfer fluid, and has the features of high precision, wide application range, and convenient and simple online calibration.

YI 3000 Split Ultrasonic Material Level Meter

The adoption of large-scale integrated circuit, component patch rate up to 90%, to ensure the long-term reliability of the product.At the same time, its power consumption is reduced to a very low level. It USES a large screen to display the all-chinese menu, which is easy to use. It supports SD card data collection and serial data download, and can record ten interference echo points.

Wall Mounted Type Ultrasonic Open Channel Flowmeter

Wall-mounted ultrasonic open channel flow meter is a kind of high precision using the ultrasonic measurement of venturi canal or groove bashir's flow meter. ■High precision operation, the machine is powerful ■Low requirement for fluid state and low pressure loss ■Able to adapt to harsh environment, safe and explosion-proof

MFC1000 Series Mass Flow Controller

Precision:±(1.5+0.5FS)% Repetitive:±0.5%FS Working range/Span ratio:100:1

UF 2800 Digital Ultrasonic Water Meter

■No moving parts, never wear ■It has self-diagnostic function ■Both hot and cold, the data can be stored for 18 months

LF2600 Series Liquid Flow Sensors

The LF2600 series liquid flow sensor adopts the MEMS flow sensor technology and sensor packaging technology of Guangzhou Nan Kong Automation Equipment Co.,Ltd., which integrates the thermal flight time (TOF) and thermal sensing principles.

LWGH High Pressure Type Liquid Turbine Flow Meter

LMGH series high pressure type liquid turbine flowmeter is a special high pressure flowmeter which is designed for high pressure fluid industry such as hydraulic equipment, engineering machinery, chemical industry, etc. The outer housing is made of stainless steel, with simple structure,optimized structure, and high pressure butt flange clamping or high pressure threaded connection.

LUXQ Type Precision Vortex gas Flow Meter

LUXQ series intelligent precision vortex flow meter is a new type of gas flow meter developed by our company with domestic leading level. The flow meter integrates flow, temperature and pressure detection functions, and can automatically compensate for temperature, pressure and compression factors.

What are you looking for?

LKM Thermal Gas Mass Flow Controller