SIKA induQ VMZ.2 Series, Руководство по эксплуатации

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— VMZ.2 Technical data
Technical changes reserved - 15 -
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.2
Type
VMZ03 VMZ06 VMZ08 VMZ15 VMZ20 VMZ25
Measurement device characteristics
Flow range [l/min] 0.1…2 0.25..5 1…20 2.5…50 5…200 12.5…250
Accuracy* ±0.7 % of reading ±0.3 % of range
Repeatability ±1%
Output signal starting
from [l/min]
0.05 0.1 0.25 1 4 5
Max. flow rate [l/min] 2.5 6 25 60 240 300
Response time < 100 ms
Indication LED green, flow proportional flashing
Output signal characteristics
Frequency output:
- Pulse rate / K-Factor
[pulses/l]
10 000 4000 1000 400 200 80
- Resolution [ml/pulse] 0.1 0.25 1.0 2.5 5.0 12.5
- Signal shape Square wave signal • duty cycle 50:50
Push-Pull • NPN open collector • PNP open collector
- Signal current ≤ 100 mA
Analogue output 4...20 mA (optional)
Corresponds to flow rate
[l/min]
0...2 0...5 0…20 0…50 0…200 0…250
Max. burden 250 Ω to GND
Analogue output 0.5...10 V (optional)
Corresponds to flow rate
[l/min]
0...2 0...5 0…20 0…50 0…200 0…250
Electrical characteristics
Supply voltage 12...24 V
DC
(±10 %)**
Power consumption Max 3.6 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)
* test conditions: Water 23 °C
** Voltage output 0.5…10 V only available with 16…24 VDC