Ultrasonic biogas flowmeter BF-3000 and BF-3000B

June 13, 2024 Editor

Image credit: Cubic

The BF-3000 ultrasonic biogas flowmeter can be commonly used with various industrial gas streams (biogas, natural gas, air, etc.), with a special design to enable it to withstand the wet and corrosive gas conditions in these applications.

The built-in temperature and pressure sensors enable it to make real time compensation and achieve higher accuracy. The unique CH4 composition reading function requires no additional device and input, making it possible to continuously monitor the biogas quality and quantity with lowest investment.

Features:

No moving parts, no pressure drop.
Methane concentration reading in the same unit.
Temperature and pressure compensated, high precision.
Ultrasonic TOF principle, routine maintenance free.
Ceramic coated probe with high corrosion resistance.
All-in-one detect probe, provides direct readings of flow velocity, totalised volume, temperature, pressure and methane concentration.
Built-in industrial lithium battery for backup power supply.

Specifications:

Applicable pipeline	DN32 DN50 DN80 DN100 DN125 DN150 DN200 DN250 DN300
Flow range (m3/h)	DN32: 3-65 DN50: 8-160 DN80: 12-240 DN100: 20-400 DN125: 30-600 DN150: 40-800 DN200: 80-1600 DN250: 120-2400 DN300: 160-3200
Connection interface	DN32: 1″1/4 DN50: 2″ DN80 DN100 DN125 DN150 DN200 DN250 DN300: Convex flange
Accuracy range	Class 1.5
Working pressure	0-200 kPa
Working temperature	-10~40 °C
Environment humidity	≤99% RH
CH4 composition	Range 30-100% VOL, accuracy ±5% FS
Power supply	External power supply: Safety barrier Ui=5V, Li=100mA (main power supply); Internal battery: 3.6V ER26500 (backup power supply)
Communication	RS-485
Explosion-proof level	ExibllAT4Gb
IP grade	IP65

Ultrasonic biogas flowmeter BF-3000B

The BF-3000B ultrasonic biogas flowmeter is based on a technology combination of the pressure differential and ultrasonic transit time differential measurement method. With a bypass structure in the flow meter, gas flow in the main line is inferred by measuring the gas flow in the small bypass line, thereby effectively solving problems such as moisture condensation and core parts corrosion, improving the measurement accuracy and extending the life span.

Features:

Combination of the pressure differential and ultrasonic transit time differential principle, higher precision and longer lifetime.
Measurement in bypass line, eliminates effect from high concentration CO2 and enhances signal quality in big diameter duct application.
Reduces the interference of flow field distribution uniformity factors.
Eliminates the corrosion problem caused by water condensate.
Stainless steel design with stronger corrosion resistance.
Low maintenance cost, no effect on main pipeline with installation and maintenance.
Low power consumption, battery can be used for more than 5 years.

Specifications:

Applicable pipeline	DN32 DN50 DN80 DN100 DN125 DN150
Flow range (m3/h)	DN32: 3-65; DN50: 8-160; DN80: 12-240; DN100: 20-400; DN125: 30-600; DN150: 40-800;
Connection interface	Convex flange
Working pressure	0-200 kPa
Accuracy	Class 1.5
Working temperature	-10-40 °C
Environment humidity	≤99% RH
Power supply	External power supply: Safety barrier Ui=5V, Li=100mA (main power supply); Internal battery: 3.6V LS26500 (backup power supply)
Communication	RS-485
IP Grade	IP65