G 3/4 M
3.5 … 50 l/min
-25 ... 125 °C 
Overview
- For water, glycol solutions and coolants
- Inline device with DN 15 internal diameter and G3/2 external thread
- integrated PT1000 element measures the temperature of the medium
- Flow and temperature are output as an analogue signal 4...20 mA
- Protection rating IP65
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Description
The AS008 vortex flow meter offers cost-effective and accurate measuring of volume flow rates for liquid, water-based media for a 3.5 to 50.0 l/min range. The sensor comes with an integrated temperature measurement system (-25°C to +125°C) and outputs both measurements as a 4...20 mA analogue signal. The sensor has a DN 15 internal diameter and is installed between two pipes. Connection is very simple via a G ¾ external thread, while the electrical connection is carried out using a 3-pole M12 plug. The compact design enables installation in confined spaces. AS008 functions according to the vortex principle. A damming body creates vortices in the flow. The vortices depend on the flow velocity and are evaluated by the sensor. No moving parts are used and AS008 is, therefore, not susceptible to soiling in the medium. The measuring principle also works with deionised water, which offers an advantage over magnetic-inductive sensors. The vortex sensor is usually used for drinking, heating and cooling water applications.Technical data AS008
General information
water; glycol solutions; coolants
3.5 … 50 l/min
-25 °C
125 °C
3.5 … 50 l/min
-25 °C
125 °C
Outputs / inputs
4 ... 20 mA
2 x
When used with an analog output use exclusively sensor cables without LED
Water [4...20 mA]: Q [l/min] = 3.125 x (I - 4 mA)
Temperature [4...20 mA]: T [°C] = 9,375 x (I - 4 mA) - 25
2 x
When used with an analog output use exclusively sensor cables without LED
Water [4...20 mA]: Q [l/min] = 3.125 x (I - 4 mA)
Temperature [4...20 mA]: T [°C] = 9,375 x (I - 4 mA) - 25
Electrical data
10 ... 33 V DC
Direct voltage (DC)
PNP
III
Yes
Direct voltage (DC)
PNP
III
Yes
Mechanical data
EPDM
ETFE
PA 6T
12 Nm
ETFE
M12
3-pin
Contacts gold-plated
12 bar (up to 40 °C)
Flat sealing
DN15
External thread
G 3/4
ETFE
PA 6T
12 Nm
ETFE
M12
3-pin
Contacts gold-plated
12 bar (up to 40 °C)
Flat sealing
DN15
External thread
G 3/4
Accuracy
± 0.2% MREV * (flow monitoring)
Q < 50 % MEW: < 1 % MEW / Q > 50 % MEW: < 2 % MW; (water) | ± 0,5 °C ± 0,005 x ΔT
* MV = measured value, MREV = measurement range end value
< 2 s
0.5 s (flow monitoring
Q < 50 % MEW: < 1 % MEW / Q > 50 % MEW: < 2 % MW; (water) | ± 0,5 °C ± 0,005 x ΔT
* MV = measured value, MREV = measurement range end value
< 2 s
0.5 s (flow monitoring
Ambient conditions
-15 °C
85 °C
P(absolute) discharge / P(difference) > 5.5 to avoid cavitation
IP65
85 °C
P(absolute) discharge / P(difference) > 5.5 to avoid cavitation
IP65
Additional information
380 years
No accessories included
EN 61326-2-3
DIN EN 60068-2-27
DIN EN 60068-2-6
Sound Engineering Practice; can be used for group 2 fluids
CE
KTW / W270
No accessories included
EN 61326-2-3
DIN EN 60068-2-27
DIN EN 60068-2-6
Sound Engineering Practice; can be used for group 2 fluids
CE
KTW / W270
Drawings
dP: Pressure loss
Q: Volumetric flow quantity
Q: volumetric flow quantity
T: temperature
Pin 1 & Pin 4 supply sensor with current; analog output on pin 2 is optional
Downloads
Data sheet
Customer reviews
