
The TX-LWGY small caliber (small flow) liquid flowmeter sensor is a precision flow measurement instrument that can be used to measure the flow rate and total amount of liquid when paired with corresponding flow integrator instruments. Widely used in the fields of petroleum, chemical, metallurgy, scientific research and other metrology and control systems. Small caliber (low flow) liquid flow meter sensors equipped with sanitary fittings can be applied in the pharmaceutical industry.
The structure is designed to be explosion-proof and can display the total flow rate, instantaneous flow rate, and flow rate percentage. The battery adopts a long-lasting lithium battery, and the service life of a single function odometer battery can reach more than 5 years, while the service life of a multifunctional display meter battery can also reach more than 12 months.
Small caliber (small flow) liquid flow meters can display a wide range of flow units, including cubic meters, gallons, liters, standard cubic meters, standard liters, etc. They can set fixed pressure and temperature parameters to compensate for gases. In situations where pressure and temperature parameters do not change significantly, this instrument can be used for fixed compensation accumulation.
Model and specification code table for TXLWGY small caliber (small flow) liquid flowmeter sensor
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model |
Specification code |
Instructions |
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TXLW |
Turbine flow meter |
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G |
sensor |
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Q |
gas |
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Y |
liquid |
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Nominal Diameter |
-2 |
2mm(pipe threadG3/8″) |
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-4 |
4mm(pipe threadG1/2″) |
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-6 |
6mm(pipe threadG1/2″) |
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-10 |
10mm(pipe threadG1/2″) |
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-15 |
15mm(pipe threadG1″) |
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-25 |
25mm(pipe threadG11/4″) |
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-40 |
40mm(flange type) |
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-50 |
50mm(flange type) |
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-80 |
80mm(flange type) |
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-100 |
100mm(flange type) |
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-150 |
150mm(flange type) |
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-200 |
200mm(Flange type or plug-in type) |
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-250 |
250mm(Flange type or plug-in type) |
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-300 |
300mm(Flange type or plug-in type) |
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accuracy class |
A |
precision1% |
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B |
precision0.5% |
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C |
precision0.2% |
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signal output |
M |
Integrated LCD display with4~20mAcurrent output |
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J |
Supporting flow integrator with split display |
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S |
Supporting flow integrator with split display and output4~20mA |
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I |
4~20mAcurrent output |
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T |
Integrated LCD display |
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P |
pulse output |
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Nominal Pressure |
C1 |
PN1.6MPa |
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C2 |
PN2.5MPa |
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C3 |
PN4.0MPa |
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C4 |
PN6.3MPa |
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C5 |
PN16MPa |
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C6 |
PN25MPa |
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C7 |
PN40MPa |
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Explosion-proof requirements |
/NE |
Not explosion-proof |
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/EX |
Explosion-proof ratingdⅡBT4 |
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Temperature requirements |
/NE |
room temperature |
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/HE |
120℃≥high temperature≥150℃ |
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Other requirements |
/□ |
Please indicate when placing an order |
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Small caliber (small flow) liquid flowmeter is a new generation of turbine flowmeter with the characteristics of simple structure, lightweight, high accuracy, good reproducibility, sensitive response, and easy installation, maintenance, and use. It is widely used to measure liquids in closed pipelines that do not corrode stainless steel 1Cr18Ni9Ti, 2Cr13, corundum Al2O3, and hard alloys, and have no impurities such as fibers or particles. For liquids with a kinematic viscosity of less than 5 × 10-6m2/s at working temperature, the flowmeter can be calibrated for real liquid before use. If paired with display instruments with special functions, it can also perform quantitative control, over limit alarm, etc., making it an ideal instrument for flow measurement and energy conservation.
2. Product features:
High precision, generally up to ± 1% R, ± 0.5% R, high-precision type up to ± 0.2% R
Good repeatability, short-term repeatability can reach 0.05%~0.2%. It is precisely because of its good repeatability that frequent calibration or online calibration can achieve extremely high accuracy, making it a preferred flowmeter for trade settlement
Output pulse frequency signal, suitable for total measurement and computer connection, no zero drift, strong anti-interference ability
Can obtain high frequency signals (3-4kHz) with strong signal resolution
Wide range, with a medium to large caliber of up to 1:20 and a small caliber of 1:10
Compact and lightweight structure, easy installation and maintenance, and high circulation capacity
Suitable for high voltage measurement, there is no need to open holes on the instrument body, making it easy to make high voltage instruments
There are various types of specialized sensors that can be designed according to the specific needs of users, such as low-temperature, bidirectional, downhole, sand mixing, etc
Can be made into an insertion type, suitable for large-diameter measurement, with low pressure loss, low price, can be removed without interruption, and easy installation and maintenance
3. Basic parameters and technical performance: Table 1
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Instrument diameter (mm)
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Normal flow range (m)3/h)
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Expand traffic range (m3/h)
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Conventional withstand pressure (MPa)
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Specially designed pressure resistance level (MPa) (flange connection method)
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DN 4
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0.04~0.25
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0.04~0.4
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6.3
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12. 16, 25
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DN 6
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0.1~0.6
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0.06~0.6
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6.3
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12. 16, 25
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DN 10
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0.2~1.2
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0.15~1.5
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6.3
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12. 16, 25
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DN 15
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0.6~6
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0.4~8
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6.3, 2.5 (flange)
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4.0, 6.3, 12, 16, 25
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DN 20
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0.8~8
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0.45~9
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6.3, 2.5 (flange)
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4.0, 6.3, 12, 16, 25
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DN 25
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1~10
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0.5~10
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6.3, 2.5 (flange)
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4.0, 6.3, 12, 16, 25
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DN 32
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1.5~15
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0.8~15
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6.3, 2.5 (flange)
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4.0, 6.3, 12, 16, 25
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DN 40
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2~20
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1~20
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6.3, 2.5 (flange)
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4.0, 6.3, 12, 16, 25
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DN 50
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4~40
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2~40
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2.5
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4.0, 6.3, 12, 16, 25
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DN 65
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7~70
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4~70
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2.5
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4.0, 6.3, 12, 16, 25
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DN 80
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10~100
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5~100
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2.5
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4.0, 6.3, 12, 16, 25
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DN 100
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20~200
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10~200
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2.5
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4.0, 6.3, 12, 16, 25
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DN 125
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25~250
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13~250
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1.6
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2.5, 4.0
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DN 150
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30~300
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15~300
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1.6
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2.5, 4.0
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DN 200
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80~800
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40~800
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1.6
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2.5, 4.0
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