7
8
Set up the sensor.
Choose an optimum sensor and fix in the main body
with one-touch connector.
１
Turn on power.
POWER button − PUSH
No
No
No ００→No ０１
No ０１→ No ０２
No ００→No ０2
２
Input No. by numerical keypad or
select button.
SELECT button − PUSH
【Number is forwarded sequentalty every time
SELECT button is pressed. 00→0１→･ ･→38→39
→00→0１→0２→In addition, you can jump to any
designated number by pressing a number with
numeric key. 】
Selecting procedure
SELECT button − PUSH（1st time）
SELECT button − PUSH（2nd time）
Selecting procedure
2 button − PUSH
When SELECT button is pressed during the
following procedure （during display of unit mass,
belt width, span length input, and measured value）,
the number being chosen is displayed.
３
EX: Select from 00 to No.02
Case of inputting a unit mass
manually.
Case of inputting the unit mass
from belt type.
EX: Select 3GT.
［See page 9 for input data.］
［See page 9 for input data.］
［See page 9 for input date.］
EX: Put 2.5g/mm wide x meter
long
Ｉｎｐut the belt width.
EX: Put 25.4mm.
MASS button − PUSH
[Input the unit mass (g/mm W x m L) in the order of
blinking position on display screen by use of numeric
key. If you input wrong number, press "MASS" button
again to return the cursor to the first.]
０ button − PUSH
０ button − PUSH
２ button − PUSH
５ button − PUSH
●"MASS" button − PUSH （holding down more than
one second）Belt category （T,V,U） is shown on screen
by pressing MASS button n more than one second.
By using UP or DOWN button to select the belt
category.
●"MEASURE" button − PUSH
Belt type is shown on screen, choose belt type by
UP or DOWN button
●"DOWN" button − PUSH
Place highlighted portion on 3GT.
●"MEASURE" − PUSH
3GT is displayed on screen.
4-1
4-2
WIDTH button − PUSH
【Do the same as described above. When data
above alIowable capacity is input, the cursor returns
to the first, and input of data is requested again.】
０ button − PUSH
２ button − PUSH
５ button − PUSH
４ button − PUSH
５
Input the span length.
SPAN button − PUSH
【Do the same as described above.】
６
Procedure
Description
Operation
Display screen
５. Operation procedure of U-550
１
2
S＝ □□□mm
『Allowable input capacity:
０００１〜９９９９mm』
W＝ □□.□mm/R
『Allowable input capacity:
０００.１〜９９９.９mm』
W＝０ □.□mm/R
W＝０２ .□mm/R
W＝０２５. mm/R
W＝０２５.４mm/R
M＝ □□.□g/m
『Allowable input capacity:
０.１〜９９９.９g/mm×m』
M＝０ □.□g/m
M＝００ .□g/m
M＝００２. g/m
M＝００２.５g/m
Shows frequency after
measurement of tension.
Shows the result of
measurement.
"Hz" button − PUSH
［Shows frequency corresponding to the measured
tension.
When "Hz" button is pressed once again, the display
returns to tension mode.］
"Hz" button − PUSH
［Shows frequency corresponding to the measured
tension.
＊When "Hz" button is pressed once again, the
display returns to tension mode.］
To call the latest 500 records, press SELECT
button more than a second on the SELECT screen.
SELECT button − PUSH
Shows measurement frequency, tension, unit mass at
the measurement.
Go back to the select screen.
＊To erase the measured date can be cleared
collectively when it connects with PC.
Individual deletion can be performed on the main unit.
Method
Push 「6」 button : Selection.
Push 「4」 button : Deselection.
Press
「0」 button more than a second : Delete.
８-２
9
＊
Please check the U-550 application software manual for how to export the data to PC.
T
Belt
V
Belt
U
Belt
Belt
S No 02 2GT
S No 02 2GT
3GT 2.5
2GT 1.3
01
03
02
1.5GT 0.9
Shows tension.
＊Indication example for
upper lower limit are set
However please match
indication with tension
indication（frequency
indication）when you set
the tension level
（frequency）. The upper
lower limit setting with a
PC.
８-１
Start measurement.
Get sensor in central span of the measure object
without touching it.
"MEASURE" button − PUSH: LED (green) blinks,
shows .
To vibrate the wire, flip the belt span with a
finger etc.: shows .
The following measurement is performed by the
sensor receiving sound without use of measure
button from the second time.
Since measurement is started by the senor
receiving sound, it is started as well even by a
noise if it has a relatively stable sound pressure.
Result is shown as well as beep sound emitted
and LED（green）turns on in 0.2 second after
reception of belt vibration sound.
［After the second
measurement, please
notice that the screen
shows the data previously
measured.
And you hear the beep,
the new data will be
displayed on the screen.］
７
１
２
３
72.4
HIGH
N
TENSION
HIGH：Above the setting
GOOD：Within setting range
LOW：Below the setting
S No 02 2GT
u550_e_manual.indd 9
2020/12/08 16:18
