MRC DT-2279 Operation Manual

Digital stroboscope xenon

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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 3 5595252, Fax: 972 3 5594529
MRC. 5.19
mrc@mrclab.com

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Summary of Contents for MRC DT-2279

  • Page 1 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.
  • Page 2 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.
  • Page 3 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.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1 FEATURES....................2 SPECIFICATIONS..................3 FRONT PANEL DESCRIPTION..............4. STROBOSCOPE MEASURING PROCEDURES........... 4-1 Preparation and operating consideration..........4-2 Checking Speed (RPM/FPM) -Internal signal MODE........ 4-3 Checking Speed (RPM/deg/ms) -External signal MODE ......4-4 Synchronous signal output ..............4-5 Checking Motion...................
  • Page 5: Features

    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.
  • Page 6: Specifications

    2. SPECIFICATIONS 2-1 General Specification Display 5 digits ( 0 to 99999 ) LCD display. Flash adjust 50 to 35,000 RPM/FPM. * FPM : flash per minute. range Resolution 0.1 RPM : < 1,000 RPM. 1 RPM : 1,000~9999 RPM 10 RPM : ≧...
  • Page 7 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...
  • Page 8 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, ÷...
  • Page 9 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 >...
  • Page 10: Front Panel Description

    3. FRONT PANEL & LAYOUT DESCRIPTION Fig. 1...
  • Page 11 3-1 Front Cover Screws 3-2 Xenon Tube and Tube Socket 3-3 int/Ext. Select button. 3-4 x 2 button 3-5 ÷ 2 button 3-6 MODE select button 3-7 + button 3-8 - button 3-9 Digital adjusting knob 3-10 External Trigger & Signal output 3-11 ACV Input Socket 3-12 Power On/Off Switch 3-13 LED Display...
  • Page 12: Stroboscope Measuring Procedures

    4. STROBOSCOPE MEASURING PROCEDURES 4-1 Preparation and operating consideration 1) Connect the Power cable into the Power input socket " 3-11, Fig. 1 ". Caution : * The power plug should be connected to the correct AC power supply. 2) A " Voltage rating label " is affixed under the bottom case to show the voltage rating of power supply.
  • Page 13: Checking Speed (Rpm/Fpm) -Internal Signal Mode

    4-2 Checking Speed (RPM/FPM) ---Internal signal MODE 1) Power off the installation to be measured, make a " mark " on the rotation area where it is intended to measure the RPM, then power on the installation to be measured. 2) Press the "...
  • Page 14 If rotate the knob slowly, the display value will change with high resolution ( change just with 1 digit ). If rotate the knob fast, the display value will change with low resolution ( change with more digits ). Setting value by " + button " , " - button " Use the "...
  • Page 15: Checking Speed (Rpm/Deg/Ms) -External Signal Mode

    4-3 Checking Speed (RPM/deg/ms) ---External signal MODE 1) Connect signal wires with main body of the instrument after soldering the wires with connectors. Fig.2 2) Firmly plug power cord into a 110VAC (USA) or 220VAC (Europe) single phase outlet. 3) Turn power switch on 4) use int/Ext.
  • Page 16: Synchronous Signal Output

    * In delay mode, the correct delayed angle can only be obtained with a stable input signal When the input signal frequency exceeds the upper and lower limits, the alarm mark will be flash displayed and the strobe will stop flashing 4-4 Synchronous signal output The synchronous signal is output from # 4 pin connector.
  • Page 17: Flash Tube Replacement

    5. FLASH TUBE REPLACEMENT The flash tube requires changing when the instrument start to flash erratically at speeds of 3600 RPM/FPM or more. Caution : * Change of the Flash Tube should only be done by a qualified technician. As the instrument contains no user serviceable parts.
  • Page 18: The Address Of After Service Center

    6. THE ADDRESS OF AFTER SERVICE CENTER...

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