813
10.5 [0.413]
32.5 [1.280]
17 [0.669]
5.3
[0.209]
5.25 [0.2067]
5.25
[0.2067]
5.3 [0.209]
5.7
[0.224]
11.2
[0.441]
10.2
[0.402]
2-M5
×
0.8 inflow port
2-
φ
3.1 [0.122] mounting hole
Cover
Connector port
Connector on sensor head side
12.4 [0.488]
15.6 [0.614]
14.9
[0.587]
5.9 [0.232]
5 [0.197]
Pin 1
2000
±
20 [78.74
±
0.79]
4 3 2 1
●
FS-
□
（
L
）
Pin 1
5
[0.197]
14.9 [0.587]
15.6 [0.614]
12.4 [0.488]
5.9 [0.232]
4 3 2 1
(20 [0.79])
φ
2.6
[0.102]
(20 [0.79])
1 2 3 4
13.5 [0.531]
23.4 [0.921]
13.4
[0.528]
15.8 [0.622]
10
[0.394]
6.4
[0.252]
Pin 1
Mini clamp wire mounting plug
Mini clamp wire
mounting socket
●
PSUK-
□
Dimensions
mm [in.]
Model
PSUK-3L
PSUK-5L
L
3000 [118]
5000 [197]
7.8
[0.307]
30
[1.181]
5 [0.197]
2.65
[0.1043]
2-M2.6
×
0.45 Depth 6 [0.236]
27.6
[1.087]
32
[1.260]
5.3 [0.209]
40 [1.575]
40 [1.575]
4-digit LED flow rate indicator
Mode button
LED (red)
A. S. OUT
SW.OUT
ch
1
2
3
4
FSU
LED (green)
DOWN button
UP button
4-switch output indicators
4-autoscan channel
indicators
(Mounting thread)
The connector for 4-sensor head
Connector for power supply,
switch, and communication cable
35.4 [1.394]
1ch
2ch
3ch
4ch
Wiring label
4 : PIN
3 : 0V
2 : 1−5V
1 : ＋V
4
T
U
O
3
T
U
O
2
T
U
O
1
11 10
1
2
V
０
3
T
U
O
4
5
6
7
8
D
X
R
9
D
X
T
S
T
R
S
T
C
SENSOR
V
０
V
DC
24
1
c
h
2
c
h
3
c
h
4
c
h
Wiring label enlarged view
●
FSU-S-
□
