Technical data
i
ndu
Q
®
- Series VMZ
-
14
-
© SIKA
•
Ba_VMZ_en
•
0
5/2016
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 VMZ
Type
VMZ 030 VMZ 081 VMZ 082 VMZ 153 VMZ 204 VMZ 205 VMZ 256
Measurement device characteristics
Flow range [l/min]
0.
1…2
0.25…5
1…20
2.5…50
5…100
10…200
12.5…250
Accuracy*
±1% of reading
Repeatability
±1%
Output signal starting
from [l/min]
0.
05
0.1
0.25
1
2
4
5
Max. flow rate [l/min]
2.5
6
25
60
120
240
300
Response time
< 100 ms
Indications
red LED = Supply voltage
•
green LED = Flow
Output signal characteristics
Frequency output:
-
Pulse rate / K-Factor**
[pulses/l]
10 000
4000
1000
400
200
100
80
-
Resolution** [ml/pulse]
0.1
0.25
1.0
2.5
5.0
10.0
12.5
-
Signal shape
Square wave signal • duty cycle 50:50
can be connected as PNP or NPN open collector
-
Signal current
≤
25 mA
Electrical characteristics
Supply voltage
24 V
DC
±
15% or 12 V
DC
±
15%
Power consumption
0.6 W
Electrical protection
measures
short-
circuit proof • protected against polarity reversal
Electrical connection
4
-pin-
plug M12x1
Degree of protection
(EN 60529)
IP 65 (only with a
connected coupling)
Process variables
Medium to measure
Water and other conductive liquids
-
Conductivity
>
20 μ
S/cm
-
Temperature
-
10…60 °C (not freezing)
Ambient temperature
5…60 °C
Nominal diameter
DN 3
DN 8
DN 15
DN 20
DN 25
Inner diameter
3 mm
8 mm
14 mm
18 mm
25 mm
Max. working pressure
(at …
°C
)
10 bar (20 °C) • 8 bar (40 °C) • 6 bar (60 °C)
higher pressure ratings on demand
Process connection
-
male thread
G
⅜
B
G½ B
G¾ B
G1 B
G1¼ B
* t
est conditions: Water 23 °C
** other pulse rate / resolution on request.
optional: Output signal with lower frequency, designed specifically for connection to digital PLC inputs.
