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Switching Output (Setting Current/Voltage and Output Range)
<Caution>
-
Make sure to cut the power supply to the main unit before switching the current/voltage
output.
-
Output can be set by either voltage output (0 to 5V) or current output (4 to 20mA).
(The factory default setting is provided with current output.)
1. Current / Voltage output can be switched by the DIP switch.
2. Setting of the output range can be made by the rotary switch (setting can be changed also
while the power is supplied to the main unit).
3. Output range can be selected from the following five (5) air velocity ranges. Select the
optimum range according to the air velocity range to be measured.
No.
Output Range (m/s)
0
0 - 2.00
1
0 - 5.00
2
0 -10.0
3
0 - 25.0
4 - 9
0 - 50.0
Current
Output (mA)
20
7.2
4
0
2.0
< Relation between Air Velocity and Current/Voltage Output (for Setting No.2)
>
Example of Output when 2m/s
Current Output (mA)
20
10.4
7.2
5.28
4.64
Voltage
Output (Ｖ)
5
1
10.0
Air Velocity
(m/s)
8
Voltage Output (V)
5
2
1
0.4
0.2
0
2.0
10.0
Air Velocity
(m/s)
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