Uni-T UT372 Bruksanvisning
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Sida 1/4
button to set to 0 or 1. 0 represents disabling LED laser and 1 for
enabling the laser.
Model UT371/UT372 is a stable, safe and reliable digital non - contact Tachometer.
This Tachometer can measure RPM and counts. RPM range is 10 ~ 99999
while counts range is 0 ~ 99999.
Open the package case and take out the Meter. Check the following items
carefully for any missing or damaged part:
Description
English Operating Manual
Reflecting Tape
USB Interface Cable (UT372 only)
Software(UT372 only)
1.5V Battery (LR6)
Overview
This Operating Manual covers safety information related to the Tachometer.
Please read the relevant information carefully and observe all the Warnings
and strictly. Notes
Item
1
2
3
4
5
Qty
1 piece
10 pieces
1piece
1 piece
4 pieces
Unpacking Inspection
In the event you find any missing or damaged item, please contact your dealer
immediately.
This Meter complies with IEC61010-031 and IEC61326 standards as well as
Pollution Degree 2 requirement
Use the Meter only as specified in this operating manual, otherwise the
protection provided by the Meter may be impaired.
In this manual, a Warning identifies conditions and actions that pose hazards to
the user, or may damage the Meter or the equipment under test.
A identifies the information that user should pay attention to.Note
Safety Information
Do not point laser directly at eye.
Replace the battery as soon as the battery indicator appears.
When the battery is between 4.5V ~4.8V, the battery indicator appears.
When the battery is between 4.3V ~ 4.5V, battery indicator blinking,
the Meter will be turned off after 1 minute.
When opening the battery door, make sure the Meter is powered off.
When servicing the Meter, use only the replacement parts with the
same model or identical electrical specifications.
The internal circuit of the Meter shall not be altered at will to avoid
damage of the Meter and any accident.
Warning
Before using the Meter inspect the case. Do not use the Meter if it is
damaged or the case (or part of the case) is removed. Look for cracks or
missing plastic.
Soft cloth and mild detergent should be used to clean the surface
of the Meter when servicing. No abrasive and solvent should be
used to prevent the surface of the Meter from corrosion, damage
and accident.
Turn the Meter off when it is not in use and take out the battery
when not using for a long time.
Constantly check the battery as it may leak when it has been using
for some time, replace the battery as soon as leaking appears.
A leaking battery will damage the Meter.
International Electrical Symbols
Warning. Refer to the Operating Manual
Low Battery Indication
Conforms to Standards of European Union
Figure 1
The Meter Structure (See Figure 1)
Tachometer Light Source.
LCD Display.
USB Port (UT372 only)
Housing
Functional Buttons
Functional Buttons
The table below offers information about the functional button operations.
Button Operation Performed
Press once to turn the meter on.
Press and hold for 1 second to turn it off.
When measuring RPM and Counts, press once to enter the Hold mode. Press it
again to exit hold mode.
When measuring RPM and Counts, press it to toggle between RPM and Counts
feature.
Press and hold for 1 minute to enter setup feature, the LCD displays USB. After that,
each pressing steps through LED / SR / AOFF / CLK / settings, then exits the setup
and accesses RPM or Count, You could press button to exit setup mode ON/OFF
and return to normal measurement mode at any time.
Press this button to choose Max./Min./Average/Zeroing/Setting options.
Under Tach measurement mode, press button to select MAX/MIN/AVE and M/M/A
normal measurements.
After entering USB/LED/SR/AOFF/CLK mode, press this button to set to 0/ 1 and
adjust the time.
ON/OFF
R/C
M/M/A
Do not use or store the Meter in an environment of high temperature,
humidity, explosive, inflammable and strong magnetic field. The
performance of the Meter may deteriorate after dampened.
Setup
A. USB
Press R/C button to select USB feature after turning on the Meter. Then press
M/M/A button to set to 0 or 1. 0 represents disabling USB and 1 for enabling USB.
B. LED
Press R/C button to select LED feature after turning on the Meter. Then press
M/M/A
C. SR (Sampling Rate)
Press R/C button to select SR feature after turning on the Meter. Then press
M/M/A button to adjust within 005 ~ 255. Press and hold to M/M/A button
D. AOFF
Press button to select AOFF feature after turning on the Meter. Then R/C
M/M/A press button to set to 0 or 1. 0 represents disabling auto power off and
1 for enabling the function.
With the function enabled, the meter will automatically power off if buttons are
inactive for 10minutes. Press ON/OFF again to wake up the meter.
E. CLK
Press R/C button to select CLK feature after turning on the Meter. Then press
M/M/A button to set to 0 or 1. 0 is for h:m time format and 1 for m:s format.
Display Symbols (see figure 2)
Figure 2
1
2
3
4
5
6
7
8
9
10
11
12
Unit of Tachometer
Unit of Counts
Time
The battery is low.
Indicator of Sleep Mode
Measurement of RPM and Counts
Data Hold is on
Display of Maximum reading
Display of Minimum reading
Display of Average reading
USB is on
Display of Measurement reading
Number Meaning
access quick setting.
Warning
Warning
To reserve battery, the USB feature will be automatically off when the
Meter is restarted. The other setting remains unchanged.
The Time will be off after the HOLD feature is enabled. The time will be
on again after existing HOLD mode.
A. RPM Measurement (See Figure 3)
Do not point laser directly at eyes.
To avoid the rotating object touching the meter and cause any injury
or damage to the meter during the measurement, please keep the
meter more than 50mm away from the tested target.
Measurement Operation
Figure 3
To carry out RPM measuremnet, follow the
following procedure:
Attach a piece of reflecting tape to the
object under test.
Position the meter firmly on desired location.
Hold the meter and keep its light source 50~
200mm away from the object under test.
Press button, the Meter is default toON/OFF
enter the RPM measurement mode. Point the
Tachometer light source to reflective tape,
The deviation from the ideal right-angle
should not be greater than 30.
The LCD displays the RPM reading.
Note:
When measuring RPM, the LCD displays “0.0000”
if there is no signal within 7 seconds.
When the RPM is greater than 99999.
the LCD displays OL.
1.
2.
3.
4.
1.
2.
Figure 4
B. Counts
Self-lighted Counts (See Figure 4)
1. Position the meter firmly on desired location.
Hold the meter and keep its light source
50~200mm away from the targets.
2. Press the button ON/OFF
3. Press the R/C button to select Count mode.
4. Point he Tachometer light source to the objects
under count. The deviation from the ideal
right-angle should not be greater than 30.
5. The LED scans the objects under count,
counts the number and displays the total
value.
Note:
1.The object under count must be reflective,
otherwise Counts feature cannot be used
Receiving Light Source Outside (See Figure 5)
Figure 5
Position the meter firmly on desired location.
Hold the meter and keep its light source 50~
200mm away from the targets. The deviation
from the ideal right-angle pointing should not
be greater than 30.
Locate the Meter, objects under counts and light
source as shown in Figure 5
Press ON/OFF button
Turn the LED off, refer to page 9 point B.
Then press R/C button to select Counts mode.
When the objects under count pass between the
meter and light source, the meter count the number
and display the total value.
Note:
Under the count mode, when the total count
the Meter displays OL and hold the data.
Press M/M/A button to zero the Counts.
Press ON/OFF to re-start Counting.
1.
2.
3.
4.
5.
6.
1.
2.
3.
Figure 6
C. Data Transferring and USB (UT372 Only, See Figure 6)
Connect the meter to PC with use of USB cable. See Figure 6.
A. General Specifications
Display: 5 digits LCD display, Maximum display 99999.
Overloading: Display .OL
Low Battery Indication: Display .
Sampling Rate: Adjustable from 5ms~255ms.
Sensor Type: Photo diode and laser tube
Measurement Distance: 50mm ~ 200mm
Drop Test: one meter
Power: 4pcs x 1.5V batteries (AA)
Dimensions: 184 x 56 x 34mm
Weight: Approximate 100g (excluding battery)
Specifications
B. Environmental Requirements
For indoor use only.
Altitude: 2000m
Temperature and humidity:
Operating:
0oC~30oC( 85%R.H)
30oC~40oC ( 75%R.H)
40oC~50oC ( 45%R.H)
Storage:
-20
oC~ +60oC( 85%R.H)
Safety/ Compliances: IEC61010-031, IEC61326, IEC 61010-1
pollution degree 2.
Certification:
Accuracy Specifications
Accuracy: (a% reading + b digits), calibration per year.
Operating temperature: 23
oC 5oC
Operating humidity: 80%RH
Temperature Coefficient: 0.1 x (accuracy) /oC
Range Resolution Accuracy
10~99.999 r/min
100~999.99 r/min
1000~9999.9 r/min
10000~99999 r/min
0.001 r/min
0.01 r/min
0.1 r/min
1 r/min
( 0 . 0 4 % + 2 )
A. RPM
B. Counts
Range Resolution Max. Input Frequency
0~ 99999 1 digit 10kHz, Pulse Width 5%
MAINTENANCE
This section provides basic maintenance information including battery replacement
instruction.
Warning
Do not attempt to repair or service your Meter unless you are qualified to
do so and have the relevant calibration, performance test, and service
information.
Do not attempt to open the back housing to avoid damaging the Meter
or affecting the accuracy.
A. General Service
Periodically wipe the case with a damp cloth and mild detergent. Do not
use abrasives or solvents.
Turn the Meter power off when it is not in use.
Take out the battery when it is not using for a long time.
Do not use or store the Meter in a place of humidity, high temperature,
explosive, inflammable and strong magnetic field.
B. Replacing the Battery (See Figure 7)
Figure 7
1. Press to turn the Meter off.ON/OFF
2. Turn the Meter’s front case down.
3. Remove the screw from the battery
door, and separate the battery door from
the case bottom.
4. Take out the old batteries and replace
with 4 x 1.5V battery (AA).
5. Rejoin the case bottom and the battery
compartment, and reinstall the screw.
* END *
This operating manual is subject to change without notice.
P/N:110401104388X DATE:2018.06.26 REV.4
Produktspecifikationer
| Varumärke: | Uni-T |
| Kategori: | Vägmätare |
| Modell: | UT372 |
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