Mini flow sensor for liquids
Compact design for the fast measurement of volume flows or dosing volumes.
Description
- Compact design with RS232- and Digital-Output
- Continuous 100Hz background sampling
- Flow measurements of up to 15 ml/min, 30 ml/min or 100 ml/min
- Pulse measurement > 20 μl
- For water, oil and other low viscous media (< 100 mPas)
- Insusceptible to bubbles
- Fast response
- Integrated temperature and pressure sensor
- Suitable for Hydrogen-peroxide (H2O2) measurement
Technical specifications
Sensor type
|
Differential Pressure Flow Sensor
|
Connectors
|
¼-28 UNF flat bottom
|
Wetted materials
|
PEEK, FPM, 1.4301 stainless steel, Fluorosilicone
|
Dimensions
|
40 x 20 x 16 mm
|
Weight
|
15 g
|
Accuracy of volume flow
|
< ± 2 %
|
Communication interface
|
RS-232, Digital-Output
|
Sampling rate
|
100 Hz
|
Readout interval
|
0.01 - 100 s
|
Voltage
|
5 VDC
|
Power consumption
|
< 20 mA (Standby)
|
Media calibration
|
by viscosity and density definition
|
Versions
Parameters
|
Symbol
|
V-Mini-15
|
V-Mini-30
|
V-Mini-100
|
|---|---|---|---|---|
Flow rate
|
V’
|
0 - 15 ml/min
|
0 - 30 ml/min
|
0 - 100 ml/min
|
Calibrated flow rate
|
V’
|
1 - 15 ml/min
|
3 - 30 ml/min
|
10 – 100 ml/min
|
Operating pressure
|
pw
|
0 - 1,8 bar (absolut)
|
0 - 1,8 bar (absolut)
|
0 - 1,8 bar (absolut)
|
Over pressure
|
po
|
4 bar (absolute)
|
4 bar (absolute)
|
4 bar (absolute)
|
Burst pressure
|
pb
|
6 bar (absolute)
|
6 bar (absolute)
|
6 bar (absolute)
|
Working temperature
|
Tw
|
10 - 50 °C
|
10 - 50 °C
|
10 - 50 °C
|
Flow detection response time
|
T63
|
10 ms
|
10 ms
|
10 ms
|
Restrictor orifice diameter
|
Dmin
|
200 µm
|
300 µm
|
500 µm
|
General information about the flow sensors
These sensors were designed for measuring dynamic dispensing processes so that drops from 20 microliters can be detected. Due to the fast, continuous sampling rate, even short events such as a pulse or an air bubble are recorded during measurement. The flow sensors measure the flow constantly at 100 Hz, regardless of the configuration of the readout interval, which can be set to a value between 0.01 and 100 seconds.
Read more about the measuring principle of the flow sensors and the advantages:
Sensor evaluation using BMT software
Use the BMT software for quick and easy evaluation of the flow sensor. Our evaluation kits offer all the tools and components you need to get started quickly.
You can find more information about the software in our wiki: https://wiki.pumps-valves.eu/Differential_Pressure_Flow_Sensor
