Precision Air Flow Meter Low Resistance & High Accuracy – GAOTek

Measured Medium

Liquid; Gas; steam; oxygen; biogas; air; overheat steam

Nominal Pressure

1.6 MPa; 2.5 MPa; 4.0 MPa; 64 MPa (Other pressure can be custom)

Accuracy

± 1.0 %, ± 1.5 %

Measuring range ratio

1:8 to 1:30 (Standard air condition as reference)
1:8 to 1:40 (Normal Temperature as reference)

Flow range

Liquid: 0.4 m/s to 7.0 m/s
Gas: 4.0 m/s to 60.0 m/s
Steam: 5.0 m/s to 70.0 m/s

Specifications

DN15 to DN600

Material

1Cr18Ni9Ti

Reynolds number

Normal 2 x 104 to 7 x 106

Resistance coefficient

Cd ≤ 2.6

Vibration acceleration allowed

LUGB ≤ 0.000441 lbs

Ex-proof class

IP65 ExiaIICT6 Ga

Power Supply

12 V to 24 V or DC or 3.6 V battery powered

Signal Output

Pulse frequency signal 2 Hz to 3000 Hz
Low level ≤ 1, high level≥ 6 V
Two-wire system 4 to 20 signal (isolated output)
Load ≤ 500

Pressure

86 kPa to 106 kPa

Medium Temp.

– 40 °F to + 392 °F;
– 40 °F to + 536 °F;
+ 104 °F to + 662 °F

Ambient Temperature

– 40 °F to 149 °F (Non-Display on site)
– 4 °F to 131 °F (Display on site)

Relative humidity

≤ 5 % to 93 %