Technical Data
Turbine flow sensor with pulse output:
PN 10
PN 50
Characteristics measurement device
Measuring range
4...160 l/min*
Accuracy
7 % of reading (≤ 5 l/min)
5 % of reading (> 5 l/min)
Repeatability
0.5 %
Signal output from
< 1 l/min
Sensor
Hall effect sensor
Characteristics output signal
Pulse rate / K-factor
65 pulses/l
Resolution
15.4 ml/pulse
Signal shape
Square wave signal
NPN open collector
Signal current, max.
19 mA
Pull-up-resistor
5 kΩ (recommendation)
Electrical characteristics
Supply voltage
10...30 V
DC
optional: 4.5…26.5 V
DC
6.5...24 V
DC
10%
short circuit proof and
reverse polarity protected
Current consumption
< 10 mA
Electrical connection
2 m PVC cable,
screened (T
max
= 75 °C)
4-pin plug M12x1
Degree of protection
(EN 60529)
IP 54
Process variables
Medium temperature, max.
- Brass
85 °C
85 °C
- Plastic
80 °C (2 bar)
60 °C (5 bar)
30 °C (10 bar)
-/-
- Stainless steel
-/-
85 °C
Medium temperature, min.
0 °C, non-freezing
Ambient temperature
0…75 °C
0…85 °C
Nominal diameter
DN 25
Nominal pressure
PN 10
PN 50
Particle size in the medium
< 0.63 mm
Process connection**
G 1¼ male thread
* Not suitable for continuous operation.
** For brass / stainless steel additional fitting required.
DR08-25 Instruction manual 09/2020
page 13