MRC DT-2279 Manual de usuario
Digital synthesis, Hight intensity light, External trigger
Metal housing case, professional and long life
DIGITAL STROBOSCOPE XENON
Model : DT-2279
Your purchase of this STROBOSCOPE marks a step forward for you into
the field of precision measurement. Although this Meter is a complex
and delicate instrument, its durable structure developed. Please read the
following instructions carefully and always keep this manual within easy
reach.
OPERATION MANUAL
3, Hagavish st. Israel 58817 Tel: 972 35595252, Fax: 972 3 5594529 [email protected]
MRC. 5.19
Warning !
Do not look directly at strobe/reflector. Light pulses
at the frequency greater than 5 Hz may cause
photosensitive epilepsy in some individuals if directly
viewed.
A feature of the instrument is to make moving objects
appear to be stationary. Precaution should therefore
be taken to ensure that there is no physical contact
made with objects being viewed.
Caution Symbol
Caution :
* Risk of electric shock !
Caution :
* Do not use fingers or any tool
to touch the FLASH TUBE.
* The instrument contains no user
serviceable parts and should not
be opened by the user.
* Repair or after service should be
done by a qualified technician
only.
* Power plug should apply the correct
ACV power voltage
* Operating duty cycle should be
adhered to.
* Cleaning - Only use the dry cloth to
clean the plastic case !
Environmental Condition
* Comply with EN61010
Transient overvoltage at Mains Supply 2500V
*
Pollution Degree 2.
* Altitude up to 2000 meters.
* Indoor use.
* Relative humidity 80% max.
TABLE OF CONTENTS
1
FEATURES.....................................................................................................................
1
2
SPECIFICATIONS.................................................................................................
2
3
FRONT PANEL DESCRIPTION.............................................................................................
6
4. STROBOSCOPE MEASURING PROCEDURES.......................................................
8
4-1 Preparation and operating consideration...............................................
8
4-2 Checking Speed (RPM/FPM) -Internal signal MODE..............................................................................
9
4-3 Checking Speed (RPM/deg/ms) -External signal MODE ...................................................................................................
11
4-4 Synchronous signal output ...................................................................................................
12
4-5 Checking Motion...................................................................................................
12
5. FLASH TUBE REPLACEMENT............................................................................................
13
6
THE ADDRESS OF AFTER SERVICE CENTER........................................................
14
1. FEATURES
*
The Digital Stroboscope is used the microprocessor
circuit design, high accuracy, digital readout, light duty,
that is ideal for inspecting and measuring the speed of
moving gears, fans, centrifuges, pumps, motors and
other equipment used in general industrial
maintenance, production, quality control, laboratories
and as well as for schools and colleges for
demonstrating strobe action.
* Digital synthesis circuit, high stability and high adjusting
resolution, easy operation.
* Crystal time base to offer high accuracy measurement &
fast measuring time.
* Metal housing case.
* Xenon flash tube, high intensity.
*Wide range : 50 to 35,000 RPM.
* Adjustment resolution : 0.1 RPM ( < 1,000 RPM ),
1 RPM ( 1,000~9999 RPM ). 10 RPM ( ≧10000 RPM ).
* High intensity light.
*External signal trigger and Synchronous signal output .
* Setting buttons : Digital adjust konb, MODE, Int./Ext.
x 2 button,÷ 2 button, + button, - button, easy operating.
* Xenon flash tube with plug and socket, easy to make
the tube replacement.
* Compact and heavy duty housing case.
1
2. SPECIFICATIONS
2-1 General Specification
Display 5 digits ( 0 to 99999 ) LCD display.
Flash adjust 50 to 35,000 RPM/FPM.
range
* FPM : flash per minute.
Resolution 0.1 RPM : < 1,000 RPM. 1 RPM : 1,000~9999 RPM
10 RPM : ≧10000 ~ 35000RPM.
Function
Digital rotate knob, MODE, int/Ext. Select,
buttons x 2 button, ÷ 2 button, + button, - button,
Accuracy ± (0.05 % reading, + 2d)
* Spec. tested under the environment
RF Field Strength less than 3 V/M &
frequency less than the 30 MHz only.
Power Supply
110 Vac ± 10%, 50/60 Hz.
or
220 Vac ± 10%, 50/60 Hz.
or
230 Vac ± 10%, 50/60 Hz.
* A " Voltage rating label "
is affixed under the bottom
case to show the voltage
rating of power supply.
When use the stroboscope,
make sure to identify the
power supply voltage
exactly.
Circuit *
Microcomputer LSI circuit & crystal control time base.
*Digital synthesis circuit for the signal adjusting.
Signal
The signal adjusting circuit is used the digital synthesis
Stability circuit, the output signal will existing high stability and
not change.
2
Power Supply AC ( 110V ) , AC ( 220V or 230V )
Power AC 240mA ( 3600 FPM )
Consumption
Operating Temp. 0 to 50 ℃(32 to 122 ℉).
Operating Less than 80% R.H.
Humidity
Dimension HWD 230 x 110 x 150 mm (9.1 x 4.3 x 5.9 inch).
Weight 1145g/2.52 LB (Meter only)
Housing Compact and impact plastic injection
case with plastic mirror type reflector.
Calibration Crystal time base and microprocessor
circuit, don't necessary take any
external calibration process.
Accessories
Operation manual.................................................................
1 PC.
Included
Power cord.................................................................
1 PC.
SKT-B2279.................................................................
1 PC.
Optional
Flash Xenon tube.......... Model : GA-TB79
Accessory
2-2 Electrical Specification ( 23 ± 5 ℃)
Stroboscope Int /Ext mode : RPM
Flash adjust 50 to 35,000 RPM/FPM.
range * RPM : round per minute.
* FPM : flash per minute.
Resolution
0.1 RPM :
10 RPM :
< 1,000 RPM.
≧10,000 ~ 35000 RPM
1 RPM :
1,000 ~ 9999 RPM
Function Digital rotate knob, MODE, Int./Ext. Select ,
buttons x 2 button, ÷ 2 button, + button, - button,
Accuracy ±(0.05 % reading, + 2d)
3
Stroboscope Int /Ext mode : Frequency
Flash adjust 0.833 to 583.3 Hz.
range * 50 to 35,000 RPM/FPM.
Resolution 0.001 Hz : 0.1 Hz :
< 599.9 RPM. 6,000-35,000 RPM
0.01 Hz :
600.0-5999 RPM
Function Digital rotate knob, MODE, Int./Ext. Select ,
buttons x 2 button, ÷ 2 button, + button, - button,
Accuracy ±(0.05 % reading, + 2d)
Stroboscope External Trigger :Phase Shift (degree)
External Trigger 0 to 359°.
Phase Shift * Use range : 50 to 10000RPM.
* " ° " : degrees.
Resolution 1°
Function buttons Digital rotate knob, MODE, Int./Ext. Select ,
Accuracy ±(0.1 % reading, + 2d)
Signal input
H Level: 2.5 V ~ 12 V , L Level: 0.8 V MAX. > 50 µs
Stroboscope External Trigger : mSec.
Flash adjust 0 to 1200 mSec.
range *Use range : 50 to 10000RPM.
* mSec : mini secend.
Resolution
0.1 RPM :
10 RPM :
< 1,000 RPM.
≧10,000 ~ 35,000 RPM
1 RPM :
1,000 ~ 9999 RPM
Function buttons Digital rotate knob, MODE, Int./Ext. Select ,
Accuracy ±(0.1 % reading, + 2d)
Signal input
H Level: 2.5 V ~ 12 V , L Level: 0.8 V MAX. > 50 µs
*
Spec. tested under the environment RF Field Strength less than
3 V/M & frequency less than the 30 MHz only.
4
2- 3 Flash Tube Specification
Flash tube
Xenon lamp.
Flash Duration Approximately 10 to 30 microseconds.
Flash color Temp. Xenon white 6,500 K degree.
Flash energy 8 Watts-seconds (joules).
Beam Angle 80 degrees.
Flash tube
It is required to change the flash tube
replacement when the instrument start to flash
irregularly at speeds > 3600 RPM/FPM.
Operating duty For prolong life and safety, please
Cycle
adhere to the following operation duty
cycle:
< 2000 RPM - 4 hours
2001 to 3600 RPM - 2 hours
3601 to 8000 RPM - 60 minutes
> 8000 RPM - 30 minutes.
* 10 min. cooling off period between cycles.
5
3. FRONT PANEL & LAYOUT
DESCRIPTION
Fig. 1
6
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