Technical Data; Characteristics Vmi - SIKA induQ VMI Série Notice D'utilisation

Technical data

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