頻閃儀是指控制光源發(fā)光，以特定頻率快速閃動的光學測量儀器

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頻閃儀是指控制光源發(fā)光，以特定頻率快速閃動的光學測量儀器。美國Checkline DT-326頻閃儀本身可以發(fā)出短暫又頻密的閃光,當調(diào)節(jié)頻閃燈的閃動頻率,使其與被測物的轉動或運動速度接近或同步時,被測物雖然高速運動著,但看上去卻是緩慢運動或相對靜止,這種視覺暫留現(xiàn)象使人目測就能輕易觀測到高速運動物體的表面質(zhì)量與運行狀況 ,而頻閃儀的閃光速度即為被檢測物體(例如:馬達 )轉速和運動頻率 (印刷袋 ) ,亦可以利用頻閃儀分析物體振動情況、高速移動物體的動作以及高速攝影等。利用頻閃儀觀測檢驗技術在歐美已廣泛使用 ,隨著我國經(jīng)濟的高速發(fā)展,越來越多的行業(yè)開始使用頻閃儀來幫助解決產(chǎn)品質(zhì)量檢驗問題。

Check-Line DT-326 頻閃儀也叫頻閃靜像儀或轉速計 ,是能夠使作振動、高速旋轉或周期運動構件變成“ 靜止不動 " 構件的一種光學測量裝置。

The Checkline DT-326 is a portable stroboscope utilizing super bright LED’s in a robust, durable all metal design. The Check-Line DT-326’s unique LED array provides an accurate, stable strobe light. The innovative LED design allows for a longer flash life – 5 times longer than traditional xenon flashtubes!

The DT-326 is designed for Speed (RPM) and Frequency (Hz) measurements in motion and vibration analysis. It is ideal for predictive and preventive maintenance applications such as: motors, shafts, roto-gravure printing, extruders, blow molding, wire lettering and striping, engraving, pulse jets, water jets, fans, cams, gear teeth, belt inspections, audio/speakers, fuel injectors, vibration analysis and cutting blade timing and sharpness. With its intuitive “ONE HAND" controls, vast adjustable flash rate, superior brightness, focus control, silent operation, AC/DC power flexibility, the DT-326 LED Stroboscope provides a superior value in a compact, ergonomic package.

Wide Flash Range: 60-120,000 flashes per minute, can be applied to meet almost any HIGH-SPEED application
Phase Shift: Advance or retard flash timing for viewing gear teeth, cutting surfaces, repeats or “drifting" images
Ratio Control (Flash Pulse Duration): Adjustable Flash Pulse duration achieves sharper images for critical inspection
All Metal Construction: Durable, comfortable, hand-held, fixed or swing arm mounted
ECO Mode: Brightness control extends battery life
Input/Output Interface: Input sensor triggers or Output synchronization controls
AC/DC Operation: AC adapter for continuous use or (4xAA batteries) for maximum portability
Includes Traceable Calibration Certificate
2 Year Warranty

Units of Measure	FPM (flashes per minute) or Hz (frequency)
Flash Rate Range	High Range: 60 - 120,000 FPM (1 - 2,000 Hz) LowRange: 60 - 12,000 FPM (1 - 200 Hz)
Flash Rate Accuracy	±0.02% (at 77°F [25 °C])
Ratio (Flash Duty)	0.1 – 2.5° (/ 360°) Setting of every 0.1°
Light Source	High Brightness LEDs
Flash Mode	Normal and ECO (Power Saving Mode)
Flash Delay/Phase Shift	Time: 0 - 999 ms; Angle: 0 - 359°
Controls	Power, Multiply by 2, Divide by 2, Phase Shift±, Ratio, ECO, Mode Setting
External Trigger Input	Photocoupler input 12mA/DC12V
External Clock Output	Photocoupler Output 30mA/DC30V, Pulse width 200µs
Display	LCD with Backlight, Main Display: 6 characters, Sub-display: Flash, Units, Battery, Settings
Power Supply	4 AA Alkaline Batteries: 80 minute operation in ECO mode, 20 minute in normal operation AC Adapter: AC 100V – 240V 50/60Hz 24 – 33VA (2.0A/DC5V)
Operating Temperature	32 - 95° F (0 - 30° C)
Dimensions	8.66" (220 mm) x 2.76" (70 mm) x 2.36" (60 mm)
Product Weight	1.1 lbs (0.55 kg)
Certification	CE
Warranty	2-Year