RPD & Thermal Mass Flow Meters for Industrial Use
                     RPD Gas &
Thermal Mass Flow 
AMdveantceed rflosw technology from leading flow meter 
manufacturers.
Thermal Mass Flow Meters 
EDiscxovepr the key features and applications of thermal mass flow meters in various industrial settings. lained
Thermal mass flow meters are advanced 
instruments used to measure gas flow based on the 
principle of heat transfer. Widely trusted for their 
accuracy, they are ideal for measuring clean and 
mixed gases like air, oxygen, natural gas, LPG, 
biogas, and flare gases. As a leading thermal mass 
flow meter supplier, we provide both inline and 
insertion models, suitable for a wide range of 
industrial applications.
Types of Thermal Mass Flow 
Meters
BT-3020-G – Inline Thermal Mass Flow 
Meter
• Designed for direct mass flow measurement of gases like air, natural 
gas, LPG, biogas, and oxygen
• Calorimetric measurement (Constant Temperature Anemometer) using 
dual RTD platinum wire-wound sensors
• SS 316 sensor probe and die-cast aluminum enclosure ensure durability 
and long life
• Graphical LCD display for real-time flow, velocity, temperature, and 
totalized data
• Outputs include 4-20mA HART and RS485 Modbus RTU for seamless 
process integration
• Dual power supply options: 24 VDC and 230 VAC for flexible installations
• Explosion-proof and weatherproof enclosure, PESO approved for 
hazardous environments
• Offers negligible pressure drop, fast response time, and high turndown 
ratio up to 100:1
• Compatible with ANSI, JIS, and DIN flanges; pipe sizes from DN50 to 
DN100
• IoT online monitoring (optional) for remote diagnostics and smart control
• No moving parts—ideal for maintenance-free performance in industrial 
gas applications
BT-3020-X – Insertion Thermal Mass Flow 
Meter
The BT-3020-X is a rugged, high-accuracy insertion thermal mass flow meter 
built for large pipelines (DN50–DN2000). Ideal for gases like air, natural gas, 
LPG, biogas, and flare gas, it features a dual platinum RTD sensor in an 
SS316 probe for stable, direct mass flow measurement.
• Direct gas flow measurement with platinum RTD 
sensors
• Pipe sizes: DN50 to DN2000, probe length: 6" to 80"
• ¾” or 1” NPT compression fitting for easy 
installation
• Graphical LCD for flow, velocity, temperature & total
• Outputs: 4-20mA HART, RS-485 Modbus RTU, Pulse
• Dual power: 24 VDC / 230 VAC
• Explosion-proof (PESO approved), IP-rated enclosure
• No moving parts – low maintenance, high durability
BT-3000-V Inline Thermal Mass Flow 
A compact, MEMS-Mbaesteedr thermal mass flow meter designed for accurate gas flow 
measurement in industrial applications.
• MEMS Sensor: Fast response and high 
accuracy
• Direct Mass Flow: No pressure or 
temperature compensation needed
• Smart Display: OLED screen with flow 
and totalizer readings
• Safe & Rugged: Flameproof, 
weatherproof enclosure (PESO 
approved)
• Easy Installation: Threaded BSP/NPT 
connections (DN4 to DN50)
BT-3000-G Inline Thermal Mass Flow 
The BT-3000-G is a coMmpeatcet ryet high-performance thermal mass flow meter powered by MEMS 
sensor technology. Designed for accurate gas flow measurement, it supports applications such as 
compressed air, nitrogen, oxygen, and natural gas. With minimal pressure loss, high turndown ratio, 
and no moving parts, it's a robust choice from a trusted thermal mass flow meter supplier.
• MEMS Sensor for fast, accurate mass flow 
measurement
• OLED graphical display (Flow & Totalizer readings)
• 4-20mA analog output & RS-485 Modbus 
communication
• Flange sizes: ANSI 150#/300#, JIS B2220, DIN EN 
1092-1
• Inline design for stable gas flow and minimal 
turbulence
• SS316L probe with rugged aluminum flameproof 
enclosure
• Integral or remote model options with keypad 
programming
• Compatible with compressed air, nitrogen, oxygen & 
more
• Dual chamber housing certified by PESO (Ex'd' IIB T6)
RPD Flow 
Meter 
Features 
and 
Applicatio RG-2000-EVC RG-2000
RPD Gas Meter with RPD Gas 
ns EVC Meter
The RG-2000-EVC is a high-accuracy rotary positive displacement gas meter with an 
integrated Electronic Volume Corrector (EVC) for real-time compensation of 
temperature and pressure. Built for reliability and long-term performance, it is ideal 
for industrial and utility gas measurement.
• Built-in EVC: Temp & pressure 
compensation
 • Dual display: Analog + OLED
 • Output: 4-20mA, RS-485 Modbus RTU
 • Bi-directional flow, low pressure drop
 • IP66/IP67 weatherproof enclosure Specs
 • Pressure: 0–16 bar
 • Temp: 0–60°C
 • Power: 24 VDC / 230 VAC
 • Connection: Flanged end
RG-2000 RPD Gas Flow 
Compact, higMhe-atcecruracy RPD gas meter designed for industrial and commercial gas 
flow applications. Built with a rugged aluminum body, it ensures long-term reliability 
and low maintenance for gases like natural gas, LPG, propane, and butane.
• ±1% accuracy | Rangeability up to 
1:160
• Flanged ends: DN25–DN150
• Pressure: 0–16 Bar | Temp: 0–60°C
• Analog totalizer (m³), optional pulse & 
EVC
• Low pressure drop for energy efficiency
• Bi-directional flow measurement
• Corrosion-resistant with modular 
design
Comparison of Flow 
Meter Types
Key Features and Applications
Thermal Mass Flow RPD Flow Meter 
Meter Features Features
• High Accuracy • Low Maintenance
• Wide Range • High Reliability
• Low Pressure Drop • Versatile Applications
5 out of 5
Optimal performance in industrial settings
90%
Widely used in various applications
Thousands
Units sold annually worldwide
Contact Us 
for More 
Informatio
Email
n [email protected]
website
www.flowmeterssuplier.com
Phone
8355850162