Inline Flowmeter

Measuring value

Flow

Measure and

Volumetric flow at standard conditions acc. DIN 1343 Po = 1013.25 mbar (14.7 PSI); to = 0^oC (32^oF)

Measuring range

Low (L1)

High (H1)

Standardized volumetric flow in air

DN15 (1/2"):
DN20 (3/4"):
DN25 (1"):
DN32 (1 1/4"):
DN40 (1 1/2"):
DN50 (2"):
DN65 (2 1/2"):
DN80 (3"):

0.32...63 Nm3/h 0.19...37.1 SCFM
0.57...113 Nm3/h 0.34...66.5 SCFM
0.90...176 Nm3/h 0.53...103.5 SCFM
1.45...289 Nm3/h 0.85...170.0 SCFM
2.26...452 Nm3/h 1.33...265.9 SCFM
3.50...700 Nm3/h 2.06...411.8 SCFM

0.32...126 Nm3/h 0.19...74.1 SCFM
0.57...226 Nm3/h 0.34...133 SCFM
0.90...352 Nm3/h 0.53...207.1 SCFM
1.45...578 Nm3/h 0.85...340 SCFM
2.26...904 Nm3/h 1.33...531.8 SCFM
3.50...1400 Nm3/h 2.06...823.6 SCFM
5.97...1400 Nm3/h 3.51...823.6 SCFM
9.04...1400 Nm3/h 5.32...823.6 SCFM

Standardized flow in air, CO2, Nitrogen, argon

DN50 (2"):
DN65 (2 1/2"):
DN80 (3"):

0.5...100 Nm/s 100...19685 SFPM

0.5...200 Nm/s 100...39370 SFPM
0.5...117 Nm/s 100...23031 SFPM
0.5...77 Nm/s 100...15157 SFPM

Helium

DN50 (2"):
DN65 (2 1/2"):
DN80 (3"):

0.5...100 Nm/s 100...19685 SFPM

0.5...120 Nm/s 100...23622 SFPM
0.5...117 Nm/s 100...23031 SFPM
0.5...77 Nm/s 100...15157 SFPM

Oxygen

DN25 (1")

0.5...100 Nm/s 100...19685 SFPM

0.5...200 Nm/s 100...39370 SFPM

Accuracy in air at 7bar (101.5 Psi) (abs) and 23^oC (73^oF)1)

+ (1.5% of measuring value + 0.5% of full scale)

Temperature coefficient

+ (0.1% of measuring value/^oC)

Pressure coefficient 2)

0.5% of measuring value / bar

Response time t90

< 1 sec.

Sample rate

0.5 sec.

Temperature

Measuring range

-20...80 ^oC (-4...176 ^oF)

Accuracy at 20^oC (68^oF)

+ 0.7 ^oC (1.26 ^oF)

Outputs

Output signal and display ranges are freely scalable
Analogue output

Voltage 0 - 10 V max. 1 mA
Current (3-wire) 0 - 20 mA and 4 - 20 mA RL<500 Ohm

Switching output

Potential-free max. 44 VDC, 500 mA switching capacity

Pulse output

Totalizer, pulse length: 0.02...2 sec.

Bus interface (optional)

MODBUS RTU or M-BUS (Meter-Bus)

Digital interface

USB (for configuration)

Input

Optional pressure compensation

4 - 20 mA (2-wire; 15 V) for pressure sensor

General

Supply voltage

18 - 30 V AC/DC

Current consumption

max. 200 mA (with display)

Temperature range

ambient temperature: -20...60 ^oC (-4...140 ^oF)
medium temperature: -20...80 ^oC (-4...176 ^oF)
storage temperature: -20...60 ^oC (-4...140 ^oF)

Nominal pressure

EE771 up to 16 bar (232 Psi)
EE772 up to 40 bar (580 Psi)

Humidity

no condensation

Medium

compressed air or none corrosive gases

Connection

cable gland M16x1.5 (optional connector M12x1 8pol.)

Electromagnetic compatibility

EN61326-1 EN61326-2-3
Industrial Environment

Material

Housing

metal (AlSi3Cu)

probe

stainless steel

sensor head

stainless steel / glass

ball valve

brass

Multi Controller

Aluminium

Housing protection class

IP65 / Nema 4