Datasheet

124
v4.0 / Modification rights reserved
EE771/EE772
Ordering Guide Accessories
Flow measuring range in dependence on operating pressure
Nm/s
working pressure [bar]
air, nitrogen, oxygen, argon
CO2
helium
Nm/s
working pressure [bar]
EE771
EE772
- Dew point sensor see datasheet EE371
- Sampling cell for dew point sensor HA050102
- Quick coupling G1/2“ for Multicontroller HA070202
- Inlet and outlet pipe segment for mounting ball valve DN15
*)
HA070215
- Inlet and outlet pipe segment for mounting ball valve DN20
*)
HA070220
- Inlet and outlet pipe segment for mounting ball valve DN25
*)
HA070225
- Inlet and outlet pipe segment for mounting ball valve DN32
*)
HA070232
- Inlet and outlet pipe segment for mounting ball valve DN40
*)
HA070240
- Inlet and outlet pipe segment for mounting ball valve DN50
*)
HA070250
*) Inlet and outlet pipe segment is only available for mounting ball valve with BSP thread
Formula for calculating the standardized volumetric ow:
V0 = v0 * id
2
* π/4 * 3600
V0 ... standardized volumetric ow [m
3
/h]
v0 ... standardized ow [m/s]
id ... inner pipe diameter [m]
π ... 3,1415
Connection Diagram
≅
Vcc
OUT 1-2
mA_Input
+15V
Modbus data B / M-Bus
Modbus data A / M-Bus
OUT 1-1
OUT 2-1
OUT 2-2
GND
18...30V AC/DC
V
mA
5
6
7
8
9
10
11
12
13
14
P
I
4...20mA
Signal-Output
Bus-interface
Pressure sensor input
Analogue-
1)
or switching output
Switching or pulse output
Supply voltage
With analogue output OUT 1-1 is connected with GND.
Switching and pulse output are potential-free.