Lutron Electronics DT-2239A User Manual Download

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DIGITAL

STROBOSCOPE

Model : DT-2239A

Your purchase of this DIGITAL STROBOSCOPE marks a step
forward for you into the field of precision measurement.
Although this STROBOSCOPE 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

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Summary of Contents for DT-2239A

Page 1: ...E marks a step forward for you into the field of precision measurement Although this STROBOSCOPE 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 ...

Page 2: ...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: ...he 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 Installation category II 300 Vac Pollution Degree 2 Altitude up to 2000 meters Indoor use Relative humidity 80 max ...

Page 4: ...Low High Range Select Switch 3 3 3 Fine Adjust Knob 3 3 4 Coarse Adjust Knob 3 3 5 Flash Tube 3 3 6 Auto Range Indicator 3 3 7 Display 3 3 8 Power Cord Input Socket 3 3 9 Power Cord Connector 3 3 10 Power Cord Plug 3 4 MEASURING PROCEDURES 4 4 1 Preparation 4 4 2 Checking Speed 4 4 3 Checking Motion 5 5 FLASH TUBE REPLACEMENT 5 6 THE ADDRESS OF AFTER SERVICE CENTER 6 ...

Page 5: ...e action 2 SPECIFICATIONS 2 1 General Specification Display 0 4 LED 4 digits Stroboscopic 100 to 10 000 flashes per Flash Rate minute FPM Accuracy 0 05 1 digit Spec tested under the environment RF Field Strength less than 3 V M frequency less than the 30 MHz only Resolution 0 1 FPM RPM less than 1 000 FPM RPM 1 FPM RPM 1 000 to 9 999 FPM RPM 10 FPM RPM over 10 000 FPM RPM Sampling Time 1 second Ra...

Page 6: ...cess required Accessories Operation manual 1 PC Included Power cord 1 PC 2 2 Flash Tube Specification Flash tube Xenon lamp Flash Duration Approximately 60 to 1000 microseconds Flash color Xenon white 6 500 K degree Flash energy 4 Watts seconds joules Beam Angle 80 Flash tube It may be necessary to change the replacement xenon flash tube if the instrument starts to flash irregularly at speeds of 3...

Page 7: ... 3 1 Power On Off Switch 1 On 3 2 Low High Range Select Switch 0 Off 3 3 Fine Adjust Knob 3 4 Coarse Adjust Knob 3 5 Flash Tube 3 6 Auto Range Indicator 3 7 Display 3 8 Power Cord Input Socket 3 9 Power Cord Connector 3 10 Power Cord Plug 3 ...

Page 8: ...d 110V AC 220V AC or 240V AC outlet Caution The power plug should be connected to the correct AC power supply b Turn the power switch to On position c Determine the range switch to Low or High position 4 2 Checking Speed RPM FPM Caution Operating duty cycle should be followed For prolong life and safety please adhere to the following operation duty Below 2 000 RPM 30 Minutes Above 2 000 RPM 5 Minu...

Page 9: ...referred to as harmonics To ensure unison turn the dial until two images appear this will double the actual speed Then lower the flashing rate until a single and stationary image appears this is the actual true speed 4 3 Checking Motion For motion analysis simply locate the actual speed as mentioned above and then turn the dial slowly up or down This will give a slow motion effect allowing complet...

Page 10: ...6 THE ADDRESS OF AFTER SERVICE CENTER 6 0804 DT2239 ...

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