Bürkert Flowmeter for Gases

This flowmeter series measures especially large flow rates and uses the calorimetric measuring principle. A heated sensor element is cooled down by the gas flow. This cooling effect which depends on the flow velocity and the gas characteristics is the measure for the mass flow rate. This kind of mass flow measurement is independent of pressure and temperature. The flowmeter can be used for monitoring air supplies, but also qualifies for measuring other gases after the corresponding calibration. The display can be rotated by 180°. Moreover, there is a totaliser integrated which counts the gas volume flowing through the pipe. It can be reset by the console. The flowmeter’s pressure drop is negligibly low, the measurement works without any moving parts. In combination with a solenoid control valve or an air operated process control valve, decentralised flow control loops up to DN 50 are possible. Type 8008 is available in two variants: standard and heavy duty (with a robust aluminium die-cast electronics housing). In the heavy duty variant, the sensor is encapsulated in stainless steel.

Seal

NBR, FKM (for oxygen)

Body

Standard variant: stainless steel 1.4301/304, heavy duty variant: stainless steel 1.4571/316Ti

Electronics housing

Standard variant: polycarbonate, heavy duty variant: die-cast aluminium

Nominal flow range (QN)

Up to 1,100 Nm3/h (air)

Maximum operating pressure

Standard variant: max. 16 bar, optionally up to PN 40

Measuring accuracy

± 1.5 % of reading ± 0.3 % FS, related to air and in consideration of the specified inlet and outlet

Measuring span

1:50

Operating voltage

18…36 V DC

Power consumption

5W

Output signal

4…20 mA

Load

Maximum load: 500 Ω (current output)

Medium temperature

- 30 °C…+ 80 °C (higher temperatures on request)

Digital communication interface

Modbus RS485/RTU

Port connection

R½", R¾", R1", R1¼", R1½", R2" (all connections as external thread) according to DIN EN 10226 (ISO 7 - 1)

Certificate

Material certificate 3.1 (on request)

HS Code

9026.10

• Burkert 8008
• Buerkert 8008
• Bürkert 8008
• Type 8008
• Burkert Type 8008