FS1L.A.1L.195 IST, FS1L.A.1L.195 Datasheet - Page 3

• Manufacturer Part Number: FS1L.A.1L.195
• Description: FLOW SENSOR, FLUIDS, MOULDED
• Manufacturer: IST

Specifications of FS1L.A.1L.195

• Supply Voltage Range Dc: 0V To 10V
• Accuracy: ± 3%
• Flow Measuring Range: 0.01m/s To 10m/s
• Connection Size: 6mm
• Supply Voltage Dc Max: 10V
• External Diameter: 6mm
• External Length / Height: 14mm
• Lead: RoHS Compliant
• Lead Length: 176mm
• Measuring Range: 0.01
• Rohs Compliant: Yes

As shown on the scheme to the right, the heater R
sensor R
essential to determine the correct values of the resistors R1,
R2, and R3. The bridge is in balance as soon as the desired
temperature difference between R
10K. At a changing flow the bridge voltage U_Bs needs to be
controlled in dependence of the bridge balance V1-V2. The
values for R1…R3 are depending on the temperature
difference dT and the medium which should be measured.
We will provide you with the values of R1…R3 , depending
on the application.
For calibration the R2 needs to be adjusted within a range of
The method of adjustment relies on the application.
Typical signal – curve between 0 .... 0.8 m/s
Option
The electric connection can be provided customer-specific.
If a connector is requested we provide e.g. the JST connector EHR-3 with 3 pins, polarized and
with a latch locking system.
Flow Sens FS1L / FS1LA
Thermal Mass Flow Sensor for
all-purpose use in Liquids
Electronic circuit recommendation
5%.
7.5
6.5
5.5
4.5
3.5
8
7
6
5
4
0
S
need to be connected in a bridge circuit. It is
0.1
0.2
0.3
Flow velocity [m/s]
S
and R
0.4
H
has reached e.g.
0.5
0.6
H
and
0.7
0.8
R2
R
V1
R1
V1
V2
S
Principle of the heating controller
+
-
GND
V
U_Bs
+
-
R3
V2
R
Sensor
H
U_Bs