- Clamp-on Ultrasonic Flow Meter
- Insertion-type Ultrasonic Flow Meter
- Portable Ultrasonic Flow Meter
- Handheld Ultrasonic Flow Meter
- Handheld Ultrasonic Flow Meter
- Portable Ultrasonic Flow Meter(with inner printer)
- Fixed-Clamp-on Ultrasonic Flow Meter
- Split-insertion-type Ultrasonic Flow Meter
- Split-inline-type Ultrasonic Flow Meter
- Ultrasonic Flow Module
- One-piece Tubular Ultrasonic Flow Meter
Split-inline-type Ultrasonic Flow Meter
- Introduction
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- Specification
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- Installation Video
- Inquiry
Name：Split-insertion-type Ultrasonic Flow Meter
Model：LRF-2000SG
General Introduction:
LRF-2000SG Pipe type ultrasonic flowmeter consists of the main unit and pipe transducer.
Features:
High Accuracy measuring
LRF-2000SG Pipe type ultrasonic flowmeter consists of the main unit and pipe transducer.
Pipe type ultrasonic flow meter has the advantages including low starting flow rate,high measurement accruacy,etc
Features:
High Accuracy measuring
Linearity: better than 0.5%, Repeatability: better than 0.2%, Accuracy: better than ±1%
Wide Measuring Range
Several types transducer for selection, measuring pipe size from DN32mm to DN6000mm
Chinese or English menu
Different version UFM can support Chinese or English display, easy to operate
High Reliability
Adopt low voltage, multi-pulse technology to improve accuracy, useful life and reliability
Strong Anti-interference
Dual-balance signal differential receiver/driver circuit to avoid interference of converter, TV tower, high voltage line etc.
Powerful Recording Function
Automatically record the following data: 1. The totalizer data of the last 512 days/128 months/5 years 2. The time and corresponding flow meter of the last 64 times of power on and off events 3. The working status of the last 32 days
Optional Main unit:
According to different installation condition,there are three models separated ultrasonic flowmeter for selection:
| Wall-mount | Wall-mount | Wall-mount |
 |
 |
 |
| Wall mounted LRF-2000S1 Power supply:DC8~36V or AC85-264V |
Wall mounted LRF-2000S2 Power supply:DC8~36V or AC85-264V |
Wall mounted LRF-2000S3
Power supply:DC8~36V or AC85-264V
|
| Wall-mount | Explosion-proof | Panel-mount |
 |
 |
 |
| Wall mounted LRF-2000S4
Power supply:DC8~36V or AC85-264V
|
Explosin-proof LRF-2000SD Power supply:DC 8~36V or AC85~264V |
Panel mounted LRF-2000U Power supply:DC 8~36V or AC85-264V |
Optional transducer :
| Types | Picture | Spec. | Model | Measurement Range | Temperature | Dimension |
| Pipe |  |
π type | G3 | DN15~DN25 | -30~160℃ | Pls refer to detailed pipe dimensions |
 |
Standard | G2 | DN32~DN40 | -30~160℃ | ||
 |
Standard | G1 | DN50~DN6000 | -30~160℃ |
Threaded Connection
Flanged Connection
| Norminal Diameter（DN） | Pressure Level（P） | Length(L) | Connecting Thread | Thread Effective length | Standard |
| DN15 | 1.6 | 320 | G3/4B | 18 | GB/T7307-2001 |
| DN20 | 1.6 | 360 | G1B | 15 | |
| DN25 | 1.6 | 390 | G11/4B | 16 | |
| DN32 | 1.6 | 450 | G11/2B | 22.5 |
Flanged Connection
|
Norminal Diameter
（DN）
|
Pressure Level （P） |
Length (L)
|
Flange Dimension | Standard | ||||||
|
Outer
Diameter
D
|
Diameter of
center hole
in bolts
D1 |
Diameter of
bolt hole
×Quantity
Φ×n |
Diameter of
Sealing
surface
D2
|
Flange
thickness
|
Bolting
Specification
|
|||||
| c | f | |||||||||
|
DN
15
|
1.6 | 320 | 95 | 65 | 14×4 | 46 | 14 | 2 | M12×50 |
GB/
T9119-2000
|
|
DN
20
|
1.6 | 360 | 105 | 75 | 14×4 | 56 | 16 | 2 | M12×50 | |
|
DN
25
|
1.6 | 390 | 115 | 85 | 14×4 | 65 | 16 | 2 | M12×60 | |
|
DN
32
|
1.6 | 450 | 140 | 100 | 18×4 | 76 | 18 | 2 | M16×60 | |
Standard Pipe Transducer：
|
Norminal Diameter
（DN）
|
Pressure Level （P） |
Length
(L)
|
Flange Dimension |
Standard
|
||||||
|
Outer
Diameter
D
|
Diameter of
center hole
in bolts
D1 |
Diameter of
bolt hole
×Quantity
Φ×n |
Diameter of
Sealing
surface
D2
|
Flange
thickness
|
Bolting
Specification
|
|||||
| c | f | |||||||||
| 40 | 1.6 | 300 | 150 | 110 | 18×4 | 84 | 18 | 2 | M16×60 | GB/T9119-2010 |
| 50 | 1.6 | 300 | 165 | 125 | 18×4 | 99 | 20 | 2 | M16×70 | |
| 65 | 1.6 | 330 | 185 | 145 | 18×4 | 118 | 22 | 2 | M16×70 | |
| 80 | 1.6 | 225 | 200 | 160 | 18×8 | 132 | 20 | 2 | M16×70 | |
| 100 | 1.6 | 250 | 220 | 180 | 18×8 | 156 | 22 | 2 | M16×80 | |
| 125 | 1.6 | 275 | 250 | 210 | 18×8 | 184 | 22 | 2 | M16×80 | |
| 150 | 1.6 | 300 | 285 | 240 | 22×8 | 211 | 24 | 2 | M20×80 | |
| 200 | 1.6 | 350 | 340 | 295 | 22×12 | 266 | 26 | 2 | M20×90 | |
| 250 | 1.6 | 450 | 405 | 355 | 26×12 | 319 | 28 | 2 | M22×90 | |
| 300 | 1.6 | 500 | 460 | 410 | 26×12 | 370 | 32 | 2 | M22×90 | |
Installation diagram：
| Item | Performance and Parameter | |
| Convertor | Principle | transit-time ultrasonic flowmeter |
| Accuracy | Flow: over 1%-2%(battery-powered supply over ±2% )，Heat: over ±2%，Repeatability: over 0.2% | |
| Display | 2×20 character LCD with backlight, support the language of Chinese, English and Italy Convertor dimension:170*180*56cm | |
| Operation | Support 16 key light touch keyboard and the Simulation keyboard software | |
| Signal Output | 1 way 4~ 20mA output, electric resistance 0~ 1K，accuracy0. 1% | |
| 1 way OCT pulse output( Pulse width 6 ~ 1 0 0 0 ms，default is 2 0 0 ms) | ||
| 1 way Relay output | ||
| Signal Input | 3 way 4~ 20mA input, accuracy 0. 1%，acquisition signal such as temperature, press and liquid level | |
| Connect the temperature transducer Pt100, can finish the heat/energy measurement | ||
| Data interface | Insulate RS485 serial interface, upgrade the flow meter software by computer, support the MODBUS, METER-BUS etc. | |
| Other Function | Automatically remember the previous flow/energy data of 512 days, 128 months and 10 years | |
| Automatically remember the previous flow/energy data of 512 days working condition and check it | ||
| Automatically remember the previous 32 times power on/off time and flow rate | ||
| Special Cable | Twisted-pair cable, generally, the length under 50 meters; Select the RS485 communication. The transmission distance can over 1000m. | |
| Pipe Condition | Pipe Material | Steel, Stainless steel, Cast iron, Copper, Cement pipe, PVC, Aluminum, Glass steel product, liner is allowed. |
| Pipe Diameter | 32mm---6000mm | |
| Straight length pipe | Transducer installation should be satisfied: upstream10D, downstream 5D, 30D from the pump. | |
| Measuring Medium | Type of Liquid | Water (hot water, chilled water, city water, sea water, waste water, etc.); Sewage with small particle content; Oil (crude oil, lubricating oil, diesel oil, fuel oil, etc.); Chemicals (alcohol, acids, etc.); Plant effluent; Beverage, liquid food; Ultra-pure liquids; Solvents and other liquids |
| Temperature | Standard Transducer: -30--90℃; High-temperature transducer: -40--160℃ | |
| Turbidity | No more than 10000ppm and less bubble | |
| Flow rate | 0--±12 m/s | |
| Working Environment | Temperature | Main Unit: -20--60℃ |
| Flow transducer: -40--160℃; Temperature transducer: according to the customer’s demands. |
||
| Humidity | Main Unit: 85% RH; Flow Transducer: Ip67 | |
| Power Supply | DC 24V or AC 85-264V | |
| Power Consumption | 1.5W | |