9
Technical data
The technical data of customised versions may differ from the data in these instructions.
Please observe the information specified on the type plate.
9.1
Characteristics VZ...AL
Type
VZ 0.04 AL
VZ 0.2 AL
VZ 2 AL
VZ 5 AL
Measurement device characteristics
Size
0.04
0.2
2
5
Measuring range *
0.02…4 l/min
0.16…16 l/min
1…65 l/min
1…200 l/min
Accuracy
(of reading)
±2 %
±1 %
±2,5 %
±1 %
Number of measuring
channels
1
2
1
1
Display for pulse signal
(in the cable socket)
1 LED
2 LEDs
(2 channels)
1 LED
1 LED
Output signal characteristics
Frequency output:
-
Pulse rate / K-factor
25,000 pulses/l
4,082 pulses/l
500 pulses/l
191.5 pulses/l
-
Resolution
0.04 ml/pulse
0.245 ml/pulse
2 ml/pulse
5.222 ml/pulse
-
Signal shape
Square wave signal, PNP
•
duty cycle 1:1 ±15 %
-
Power output
0.3 W
•
short-circuit proof
Electrical characteristics
Supply voltage
12...30 V
DC
•
protected against polarity reversal
Power consumption
(short-circuit proof)
0.6 W
0.9 W
0.6 W
0.6 W
Electrical connection
Connector plug EN 175301-803-A, including cable socket
Degree of protection
according to EN 60529
IP 65 (with attached cable socket)
Process variables
Medium to measure:
Viscous fluids with lubricity
(No water or aqueous solutions • No abrasive substances)
-
Viscosity
20…4,000 mm
2
/s 1…3,000 mm
2
/s 20…4,000 mm
2
/s 20…4,000 mm
2
/s
-
Temperature
-10…80 °C
Ambient temperature
-10…80 °C
max. operating pressure
200 bar
160 bar
160 bar
80 bar
max. pressure peaks
240 bar
200 bar
200 bar
100 bar
max. pressure drop
10 bar
10 bar
16 bar
16 bar
Process connection
G¼
G
⅜
G¾
G1
Weight
0.5 kg
0.7 kg
1.9 kg
6 kg
Geometrical gear volume
0.04 cm
3
0.245 cm
3
2 cm
3
5.222 cm
3
* Limited measuring range with higher viscosities (
