Technical data
— Series VMI
- 36 -
© SIKA • Ba_VMI • 12/2020
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 VMI
Type
VMI02
VMI07
VMI10
VMI20
Measurement device characteristics
Measuring range
0.0083...1 l/min •
0.05...2 l/min
0.1…30 l/min
0.2…60 l/min
5…250 l/min
Accuracy *1
(Frequency output)
±1 % of range *2 •
±2 % of range *3
± (0.7 % of r 0.3 % of range) ±(1.5 % of read-
ing + 0.3 % of
range)
Repeatability *
1
1%
Response time
(Frequency / Fre
Analogue)
< 500 ms
Flow indication
LED green, flow proportional flashing
Output signal characteristics
Frequency output:
Pulse rate
- optional *
4
10000 pulses/l
1000 pulses/l
1…2000 pulse/l
500 pulses/l
1…1000 pulse/l
100 pulses/l
1…200 pulse/l
Resolution
- optional *
4
0.1 ml/pulse
1.0 ml/pulse
1000…0.5
ml/pulse
2.0 ml/pulse
1000…1 ml/pulse
10 ml/pulse
1000…5 ml/pulse
Signal shape
Square wave signal • duty cycle 50:50
Push-Pull • NPN open collector (o.c.) • PNP o.c.
Signal current
≤ 100 mA
, current limited
Analogue output 4…20 mA (optional):
Signal current corre-
sponds to flow rate of
0...1 l/min •
0...2 l/min
0…30 l/min
0…60 l/min
0…200 l/min
• 0…250 l/min
Max. load
250 Ω
to GND
Analogue output 0…10 V (optional):
Signal voltage corre-
sponds to flow rate of
0...1 l/min •
0...2 l/min
0…30 l/min
0…60 l/min
0…250 l/min
*1 Test conditions: Water 23 °C at 150 ±100 µS/cm; Standard pulse rate.
*2 0...50 % of measuring range.
*3 50…100 % of measuring range.
*4 factory setting.
