數(shù)字閃頻儀DT-2349特點
*數(shù)字合成電路，穩(wěn)定性高，調(diào)節(jié)分辨率高，操作方便。
*晶體時基提供高精度測量和快速測量時間。
*高強度氙閃光管。
*寬范圍：60至32000 rpm。
*調(diào)整分辨率：0.1轉(zhuǎn)（＜1000轉(zhuǎn)），1轉(zhuǎn)（≧1000轉(zhuǎn)）。
*高強度光。
*設置按鈕：數(shù)字調(diào)整按鈕，x 2鍵，2鍵÷，+按鈕，按鈕，操作方便。
*帶插座的氙氣閃光管，易于更換管。
*緊湊和重型外殼。
數(shù)字閃頻儀DT-2349規(guī)格
| Display | 5 digits ( 0 to 99999 ) LCD display. |
| Flash adjust range | 60 to 32,000 RPM/FPM. * RPM : round per minute. * FPM : flash per minute. |
| Resolution | 0.1 RPM : < 1,000 RPM. |
| 1 RPM : ≧ 1,000 RPM | |
| Function buttons | Digital rotate knob, x 2 button, ÷ 2 button, + button, - button, |
| Accuracy | ± (0.05 % + 1d) * 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 Stability | The signal adjusting circuit is used the digital synthesis circuit, the output signal will existing high stability and not change. |
| Power Supply | AC( 100V to 240V ) to DC 9V ( 3A ) adapter, incuded. Build in battery compartment, power can be used the optional DC 1.2 V Ni-MH recharge battery ( UM-1, D size ) x 4 PCs. |
| Power Consumption | DC 2.4 A ( 3600 FPM ) |
| Operating Temp. | 0 to 50 ℃ (32 to 122 ℉). |
| Operating Humidity | Less than 80% R.H. |
| Dimension | 21 x 12 x 12 cm (8.3 x 4.8 x 4.8 inch). |
| Weight | 1Kg/2.2 LB. |
| 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 Included | Operation manual. 1 PC. AC( 100V to 240V ) to DC 9V adapter .....................................................1 PC. |
| Optional Accessory | Flash Xenon tube... Model : TBXE-2289 |
| DC 1.2 V Ni-MH recharge batteries, UM-1/D size ( BAUM-1) x 4 PCs. | |
| DC 1.2 V Ni-MH batteries charger with AC adapter, complete set. Model: BACH-110 ( AC 110V power ) Model: BACH-220 ( AC 230V power ) |
數(shù)字閃頻儀DT-2349閃光管規(guī)格
| Flash tube | Xenon lamp. |
| Flash Duration | Approximately 60 to 1,000 microseconds. |
| Flash color Temp. | Xenon white 6,500 K degree. |
| Flash energy | 4 Watts-seconds (joules). |
| Beam Angle | 80 degrees. |
| Flash tube replacement | It is required to change the flash tube when the instrument start to flash irregularly at speeds > 3600 RPM/FPM. |
| Operating duty Cycle | For prolong life and safety, please adhere to the following operation duty cycle: < 2000 RPM - 2 hours 2001 to 3600 RPM - one hour 3601 to 8000 RPM - 30 minutes > 8000 RPM - 10 minutes. * 10 min. cooling off period between cycles. |
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