Cojali jaltest tools JT2008 Operating Manual

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Cojali jaltest tools JT2008 Operating Manual
JT2008
Digital Tachometer
Operating Manual
Overview
This Operating Manual covers safety information
related to the Tachometer. Please read the relevant
information carefully and observe all the Warnings
and Notes strictly.
Model JT2008 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.
Unpacking Inspection
Open the package case and take out the Meter. Check the following items
carefully for any missing or damaged part:
Item
Description
1
English Operating Manual
2
Reflecting Tape
3
1.5V Battery (LR6)
In the event there is any missing or damaged item, please contact your dealer
immediately.
Safety Information
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 indicates conditions and actions that pose
hazards to the user, or may damage the Meter or the equipment under test.
A Note indicates the information that user should pay attention to.
⚠ 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.
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 be deteriorated after being dampened.
Do not aim the laser directly at eye.
Replace the battery as soon as the battery indicator
When the battery is between 4.5V ~4.8V, the battery indicator
When the battery is between 4.3V ~ 4.5V, the battery indicator
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.
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 it is
not in use 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 leak occurs. 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
The Meter Structure (See Figure 1)
1
Tachometer Light Source.
2 LCD Display.
Qty
3 Housing
1 piece
4 Functional Buttons
10 pieces
4 pieces
Functional Buttons
The table below offers information about the functional button operations.
Button
Operation Performed
ON/OFF
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 the hold mode.
R/C
When measuring RPM and Counts, press it to toggle between RPM
and Counts feature.
Press and hold for 1 minute to enter the setup feature. After that, each
time you press the button, it steps through LED / SR / AOFF / CLK /
settings, then exits the setup and accesses RPM or Count. You could
press ON/OFF button to exit the setup mode and return to normal
measurement mode at any time.
M/M/A
Press this button to choose Max. /Min. /Average/Zeroing/Setting
options.
Under Tach measurement mode, press M/M/A button to select MAX/
MIN/AVE and normal measurements.
appears.
After entering LED/SR/AOFF/CLK mode, press this button to set to 0/ 1
will appear.
and adjust the time.
will blink,
Setup
A. LED
Press R/C button to select LED feature after turning on the Meter. Then press
M/M/A button to set to 0 or 1. 0 represents disabling LED laser and 1 enabling
the laser.
B. SR (Sampling Rate)
Press R/C button to select SR feature after turning on the Meter. Then press
M/M/A button to adjust between 005 ~ 255. Press and hold M/M/A button to
access quick setting.
C. AOFF
Press R/C button to select AOFF feature after turning on the Meter. Then
press M/M/A button to set to 0 or 1. 0 represents disabling auto power off and 1
enabling the function.
With the function enabled, the meter will automatically be powered off if
buttons are inactive for 10 minutes. Press ON/OFF again to turn on the meter.
D. 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.
1
Display Symbols (See Figure 2)
3
2
4
Figure 1
Number
1
2
3
4
5
6
7
8
9
10
11
4
5
3
1
6
2
7
11
8
9
10
Figure 2
Meaning
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
Display of Measurement reading