Ultrasonic Gas Meters
Ultrasonics is used as the measurement principle. There is no obstacle inside the measurement tube so the pressure loss is zero and the energy loss is zero. The meter has a wide range ability of 1:400 which allows for correct measurement with low flow rates.
Aichi AS-WE ultrasonic gas flow meters 40mm to 200mm.
New Aichi UX range 15mm to 50mm.
Also available are Siargo Thermal Mass gas flowmeters and Esters oscillating gas meters .
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AICHI AS-WE Series Digital Ultrasonic Flowmeters for Gas
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Aichi TRX TRZ Digital ultrasonic flow meter for air
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Aichi UX Digital Ultrasonic Flowmeters for gas
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Ester GD300 Digital Oscilliating gas meter
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RMG RSM200 Ultrasonic Flow Meter for gas
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RMG USM GT400 Digtal Ultrasonic Flowmeter for Gas
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Siargo MF-GD Series Digtal Thermal Mass Flow Meter
AICHI AS-WE Series Digital Ultrasonic Flowmeters for Gas
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- Wide rangability of 1;400
- Long life built in battery
- Zero pressure loss, zero energy loss
- Enhanced logging function
- Remote Measurement
- Normal conversion function
- Easy to read indicator
- Option – pressure and temperature compensation
Type | Size PN16 | MAx Pressure | Flow range m3/hr |
---|---|---|---|
AICHI-40A | 40mm | 2 bar | 1.6 – 80 |
AICHI-50A | 50mm | 2 bar | 3 – 150 |
AICHI-80A | 80mm | 2 bar | 6 – 300 |
AICHI-100A | 100mm | 2 bar | 10 – 500 |
AICHI-150A | 150mm | 2 bar | 24 – 1200 |
AICHI-200A | 200mm | 2 bar | 40 – 2000 |
The AS Series comes with a Pulse output plug and a 2 meter lead.
25mm and 32mm now available.
Aichi TRX TRZ Digital ultrasonic flow meter for air
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- For compressed air 10 bar max with pressure and temperature compensation
- Minimal pressure loss
- Measurement and output of forward flow and reverse flow
- Battery operated, pulse, 4-20Ma output
- LCD Display
MWA Code | Description | Connection | Min m³/hr |
Max m³/hr |
---|---|---|---|---|
TRX 40-C/3P | Low pressure drop ultrasonic meter | 40mm wafer connection | 1.3 | 80 |
TRX 50-C/3P | Low pressure drop ultrasonic meter | 50mm wafer connection | 2.5 | 150 |
TRX 80-C/3P
TRZ 100-C TRZ 150-C TRZ 200-C |
Low pressure drop ultrasonic meter
Low pressure drop ultrasonic meter Low pressure drop ultrasonic meter Low pressure drop ultrasonic meter |
80mm wafer connection
100mm flanged PN16 150mm flanged PN16 200mm flanged PN16 |
5.0
10.0 24.0 40.0 |
240
500 1200 2000
|
Aichi UX Digital Ultrasonic Flowmeters for gas
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The Aichi ultrasonic gas flowmeter gives high performance over a wide range and measures flow accurately at a range 1:50.
Dustproof ,high durability ,no filter is required,IP64 protection.
Space saving, with no straight pipe required.
Lithium Battery five year operation , replaceable on site.
24v DC powered option available.
Pulse output as standard,4-20 Ma and Modbus/RTU RS485 options
Type Pipe size Flow range
UX15BT Rc1/2 inch 0.12 – 6.00 m3/hr
UX25BT Rc1 inch 0.12 – 6.00 m3/hr
UX40BT Rc1.1/2 inch 1.6 – 80.0 m3/hr
UX50BT Rc2 inch 3.0 – 150.0 m3/hr
Maximum pressure 1000 mbar
Temperature range – 10 to 60 C
Ester GD300 Digital Oscilliating gas meter
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Esters oscillating gas meter without moving parts, DN15 to DN400, for gases and gas mixtures.
Suitable for polluted wet gases like biogas, landfill gas and digester gas, -20C to 80C
Pressure 500mbar, Options 10 bar, 16 bar, 40.0 bar
PN16 standard connection, Class 150 and Class 300 option, 15mm to 50mm threaded options
Integrated display GD150X 4-20 Ma or pulse output
Accuracy +/- 1.5 % with low pressure loss
ATEX Ex II 1/2 Ex ia / e mb IIC T4 Ga/Gb, Protection IP65
Type Size PN16 Minimum Flow Maximum Flow
GD300/50 50mm 0.20 m3/hr 20 m3/hr
GD300/65 65mm 0.90 m3/hr 90 m3/hr
GD300/80 80mm 1.4 m3/hr 140 m3/hr
GD300/100 100mm 2.70 m3/hr 270 m3/hr
GD300/150 150mm 6.00 m3/hr 600 m3/hr
GD300/200 200mm 12.00 m3/hr 1200 m3/hr
RMG RSM200 Ultrasonic Flow Meter for gas
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- Ultrasonic Meter for applications in gas distribution networks
- Suitable for Natural Gas, including admixtures of up to 30% H2, biogases and industrial gases (non corrosive)
- Optional: integrated volume corrcetor (pTZ) and data archives
- The Meter:
Available in Nominal sizes 2“ up to 8“ (DN50 … DN200)
Applicable for gas temperatures of -40°C .. +60°C
Maximum operating pressure (design pressure) 20bar, flange design acc. to DIN PN 10/16 or ANSI #150
Assembly compatible to turbine gas meters (3xD insertion length)
Minimized inlet sections: 0xD straight inlet pipe for mild disturbances, 2xD straight inlet for severe disturbances
Compliant to OIML R137 (2012) , Accuracy Class 1.0
Turn down ratio 1:100 minimum, up to 1:200
Power supply by line or battery pack (5 years + ). In case of line power the battery pack serves as emergency power supply.
Hazardous area approval as intrinsically safe Ex(i). Applicable for ATEX Zone 1 and 2
Classified as M2, E2, acc. to OIML D11 (2013); Protection class IP67
RMG USM GT400 Digtal Ultrasonic Flowmeter for Gas
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The ultrasonic meter USM GT400 from RMG delivers highest accuracy and reliability based on field proven six
path technology. Designed for use in a wide range of gas custody transfer and secondary metering applications, the
GT400 measures directly bulk flow rate, swirls, cross-flow and asymmetry. Its patented live precision adjustment/
echo measurement reduces metering uncertainty.
Typical applications include:
• Fiscal metering
• Low-pressure custody/non-custody (atmospheric) transfer
• Allocation metering
• Check metering
• Gas transportation and distribution
• Underground gas storage (bi-directional)
• Gas-fired power plants
• Gas processing plants
• Refining and petrochemical
The GT400 provides improved overall performance thanks to:
• Rugged, non-intrusive design
• Bi-directional measurement
• Real-time system measurement
• Direct path design
• Six-cross acoustic paths
• Direct “cross flow” measurement
• Dynamic 3-D flow profile modeling
• Extended diagnostic functions
• Precise flow profile identification
• Enhanced swirl and asymmetry measurement
• Best-in-class Exd transducer
• Superior noise suppression
• No moving parts or pressure drop
• Wide turndown ratio (>120:1)
• Low-to-high-pressure operation (0-300 barg, 0-4351 psig)
• Extended flow range (0.15-40 m/s , 0.5-131 ft/s)
• Excellent repeatability and measurement certainty
Technical Data
Gases Pipeline Quality Natural Gas, Air
Measurements Volume Flow, Totalized Volume, Velocity of Gas, Speed of Sound, Swirl
Sizes DN 80-600 / 3”, 4”, 6”, 8”, 10”, 12”, 16”, 20”, 24” (ANSI 600); Consult RMG for sizes > 24”.
Path Configuration 6 Direct Cross (“X’) Path; 3 Planes
Measurement uncertainty (from Qt to Qmax)
Dry calibration with Nitrogen acc. AGA 9 +/-0,5 %
HP-flow calibration. Full measuring range (Qt to Qmax) +/-0,1 %
Repeatability +/- 0,1%
Operating Pressure Range 1 bar (14.5 psi)….. 300 bar (4351psi)
Flanges up to ANSI600; Consult RMG for higher design pressure
Ambient Temperature -40°C (-40°F) to +55°C (131°F)
Gas Temperature Range -40°C (-40°F) to +80°C (176°F)
Operating Relative Humidity up to 95% condensing
Measuring Interval ca. 60 path measurements per sec; Display Update 2 times per sec
Power supply 24 V/DC +/-10 %
Power requirement Typically 7 W
Hazardous Area Approvals ATEX: Ex II 2G Ex de IIB + H2 T6; IECEx: Ex de IIB + H2 T6 Gb CSA: Class I, Div 1, Groups B, C, D T6
Metrological Approvals MID, Measurement Canada, GOST and others
Conformities AGA 9, ISO 17089, OIML 137-2012
Analog output 0/4-20 mA (galvanically isolated, programmable, load resistor: max. 400 Ohm, Umax =16 V)
Frequency outputs 2 HF-outputs with fmax = 5 kHz, Namur or Open Collector
Digital I/O 2 X Programmable
Analog input for p & T Galvanically isolated two-wire 4-20 mA p-transmitter or a 4-wire PT100 Interfaces
RS 485-0 Service port with MODBUS-Protocol; RMGViewUSM (max. cable length: 500m / 1640ft);
Ethernet via external module
RS 485-1 Serial connection to RMG’s ERZ 2000-NG Flow Computer
RS 485-2 MODBUS-protocol for interfacing with Third-Party Flow Computers, SCADA;
Ethernet via external module
Transducer Frequency 120 kHz/200 kHz for Sizes ≥ 8” (DN 200) 200 kHz for Sizes ≤ 6” (DN 150)
RMGViewUSM Diagnostics Visualization, flow data, diagnostics, configuration, parameter changes, export/import of parameters and data
Protection IP66
Meter Body Material Casted Steel; CS ASME A352 gr LCC
Material Electronics Housing Aluminum cast
Installation outside With weather protection cover and sun roof
Siargo MF-GD Series Digtal Thermal Mass Flow Meter
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MF-GD series low pressure mass flow meters are designed for all low pressure industrial gas metering and control. The meters substantially reduce the installation cost as well as other logistical cost. In addition, the all electronic meters provide easy data access as well as remote data networking capabilities.
LCD display showing total flowrate, actual flowrate, temperature ,battery life .
- Maximum working pressure: Screwed 6 bar ,Flanged 16 bar
- Medium Temperature: -10 ~ +55oC
- Power supply: 2 X 3.6v DC 19Ah battery ,option 24v DC
- Output: Pulse/RS485 Modbus
- Protection: IP66
- Ex Proof: Ex ia Ex ib IIC T4
- Accuracy :+/- 1.5% FS
- Rangeability : 100;1
- Protection : IP66
Siargo Thermal Mass Flowmeters | ||||
Model | Size | Connections | Max flow rate | Minimum flow rate |
MF32GD | 32mm | 1.1/4 inch BSP | 10 m3/hr | 0.1 m3/hr |
MF32GD | 32mm | 1.1/4 inch BSP | 25 m3/hr | 0.25 m3/hr |
MF50GD | 50mm | 2 inch BSP | 40 m3/hr | 0.4 m3/hr |
MF50GD | 50mm | 2 inch BSP | 65 m3/hr | 0.65 m3/hr |
MF65GD | 65mm | 2.1/2 inch BSP | 100 m3/hr | 1.0 m3/hr |
MF80GD | 80mm | 3 inch BSP | 160 m3/hr | 1.6 m3/hr |
MF40GD | 40mm | PN16 | 25 m3/hr | 0.25 m3/hr |
MF40GD | 40mm | PN16 | 65 m3/hr | 0.65 m3/hr |
MF50GD | 50mm | PN16 | 40 m3/hr | 0.40 m3/hr |
MF50GD | 50mm | PN16 | 80 m3/hr | 0.80 m3/hr |
MF80GD | 80mm | PN16 | 100 m3/hr | 1.0 m3/hr |
MF80GD | 80mm | PN16 | 160 m3/hr | 1.6 m3/hr |