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Summary of Contents for Shimpo DT-311J
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Page 1: Instruction Manual
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com Model DT-311J DT-311J-230V(AC) DIGITAL STROBOSCOPE INSTRUCTION MANUAL... -
Page 2: Important Safety Instructions
1. GENERAL The DT-311J DIGITAL STROBOSCOPE is designed to assist mechanical timing adjustments and emit flashes synchronously with an external signal and an internal signal. Flashes can be delayed continuously from 0 up to 359 degrees at a positive edge of an external signal by regulating the adjustment knob and the delayed angle is shown on the LED display. -
Page 3: Specifications
2. SPECIFICATIONS (1) Flashing range 200 – 1,500 rpm (2) Phase shift 0 – 359º (3) Internal signal range 200 up to 1,500 rpm (4) Delay setter ROTARY ENCODER (5) Display 4 digits, 10mm high, Red LED (6) Divided ratio 1/1, 1/2, 1/3, 1/4, 2/4 with shift (7) Input signal High level, 5 to 24v pulse width,... - Page 4 DIAGRAM A. Front panel (1) Xenon lamp (2) Protective window (3) Protective window screws (4) Reflector (5) Handle B. Rear (Display & Operation panel) (1) Delayed angle or rpm display (2) Mode indicators...
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Page 5: Cable Connection
(3) Power switch (4) Connector (5) Mode select switch (6) Setting knob: for Flash Rate and Phase Shift adjustment (7) Zero setting switch (8) Divide ratio select switch (9) Stroboscope flash: on/off switch (10) Shift switch 4. CABLE CONNECTION Connect power and signal with provided cable as follows: AC plug (with 3-prong plug) 110 VAC or 230VAC at 50/60 Hz Red clip... - Page 6 6. INTERNAL SIGNAL OPERATION When internal signal mode is selected (‘INT’ LED on), flash rate is adjusted by turning the setting knob (6). 7. EXTERNAL SIGNAL OPERATION When external signal mode is selected (‘deg’ or ‘rpm’ LED on), flashing rate is synchronized with the external signal. Delayed angle Degree # of revolutions per 1 minute...
- Page 7 FLASH INTERVAL (1) FLASH MODE Flashing behavior at each mode. 360° Input pulse MODE 1/1 1 MODE 1/2 1 MODE 1/3 1 MODE 1/4 1 MODE 2/4 1...
- Page 8 Every time you depress the shift button (SHIFT), the flashes slide to the next pulse. Input pulse MODE 1/2 1 MODE 1/3 1 MODE 1/4 1...
- Page 9 MODE 2/4 LAMP ON/OFF SWITCH LAMP ON/OFF switch provides power to the lamp. To save the flash tube and general lamp life, turn the lamp off when not in operation. Once power is applied and no adjustments are made during the next 30 minutes, the flashing will automatically turn off the lamp causing the display to flash rapidly.
- Page 10 10. ALARMS 1. LOW SPEED INDICATOR (External signal operation only) Below 180 rpm, the “under” symbol appears. At degree mode At rpm mode 2. HIGH SPEED INDICATOR (External signal operation only) Over 1,550rpm “over” symbol appears. At degree mode At rpm mode If AC power is low, the flashing will stop and “LLLL”...
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Page 11: Input Circuitry
11. INPUT CIRCUITRY 12. LAMP REPLACEMENT Indications: • Lamp life is about 100 million flashes. • Rotation speed is displayed, no flash is emitted. • When the flash is intermittently emitted, this indicates the lamp must be replaced. • Only replace flash tube with the specified lamp: (FLASHTUBE311-J). Directions: (1) After unplugging the line cable from the power line, let the stroboscope sit for about 30 minutes or longer. -
Page 12: Initial Reset
Factory default settings: Simultaneously press the LAMP ON/OFF button and ZERO. Next press the “Power” switch on. The memory will be cleared and the factory default condition will resume. Contact Shimpo Instruments with any questions or concerns: 99 Washington Street Melrose, MA 02176...
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