Ultrasonic flow meter / biogas / digital / direct-reading
BF-3000 Hubei Cubic-Ruiyi Instrument CO., LTD


  • Technology:


  • Fluid:


  • Other characteristics:

    digital, direct-reading, precision, high-accuracy, economical, RS485, with LED display, IP65

  • Applications:

    industrial, for low flow rates, for water treatment, for the food industry, for the petrochemical industry, for the pharmaceutical industry

  • Process pressure:

    Min.: 0 Pa (0 psi)

    Max.: 200000 Pa (29.01 psi)

  • Process temperature:

    Min.: -10 °C (14 °F)

    Max.: 40 °C (104 °F)

  • Volumetric flow rate:

    Min.: 1.3 m³/h (45.91 ft³/h)

    Max.: 3200 m³/h (113006.93 ft³/h)


BF-3000 Ultrasonic Biogas Flowmeter is developed for the measurement of biogas output from anaerobic digester. It is designed to withstand the wet and corrosive conditions. The built-in temperature and pressure sensors enable to make compensation and reach high accuracy.The unique composition reading function requires no additional device and input, which making it possible to continuously monitor the biogas quality and quantity with lowest investment.

 Biogas Anaerobic Digester
 Biogas Flare
 Upgrading Bio-methane Gas
 Biogas generator


Applicable pipeline DN32 DN50 DN80 DN100 DN125 DN150 DN200 DN250 DN300

Flow range (m³/h)
Turn down ratio:50:1 1.3-65 3.2-160 4.8-240 8-400 12-600 16-800 32-1600 48-2400 64-3200

Interface 1″1/4 2″ Convex flange

Accuracy range Class 1.5

Working pressure 0~200kPa

Working temperature -10℃~40℃

Humidity ≤99%

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 LS26500 (Backup power supply)
Communication RS485

Explosion levels ExibIIAT4 Gb

Protection class IP65

Technical parameters


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