頻閃儀是指控制光源發光，以特定頻率快速閃動的光學測量儀器

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更新時間：2024-06-28

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頻閃儀是指控制光源發光，以特定頻率快速閃動的光學測量儀器。美國Checkline DT-315A頻閃儀本身可以發出短暫又頻密的閃光,當調節頻閃燈的閃動頻率,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,這種視覺暫留現象使人目測就能輕易觀測到高速運動物體的表面質量與運行狀況 ,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 ,隨著我國經濟的高速發展,越來越多的行業開始使用頻閃儀來幫助解決產品質量檢驗問題。

Check-Line DT-315A 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。

Flash Range: 40-35,000 RPM/FPM

The DT-315A is a rugged, battery powered stroboscope designed for non-contact RPM measurement, inspection and observation of moving parts by "freezing" or "slowing down" the motion. The DT-315A provides power flexibility as in addition to its internal rechargeable battery it can operate from AC power.

Highest accuracy and most stable flash rate
Accepts external trigger input and provides synchronizing pulse output
Easy-to-read LED display
Phase shift for best view and flash photography
Easy-to-operate controls
Flash rate control
Detachable pistol-grip handle
Instant double and half-rate flash selection for error-free reading
Provides 12 V DC power for external sensors

Flash Range	40-35,000 FPM
Accuracy	Internal Mode: ±0.01% of reading External Mode: ±0.01% or ± 1 digit
Resolution	0.1 FPM: 40.0 - 4,999.9 FPM 0.2 FPM: 5,000 - 7,999.8 FPM 0.5 FPM: 8,000 - 9,999.5 FPM 1 FPM: 10,000 - 35,000 FPM
Drift	±0.01% per °C
Update Time	Internal Mode: 0.2 seconds External Mode: ±0.01% or ± 1 digit
Input Signal	LO level: 0-0.4 VDC HI level: 2.5 - 12 VDC -- or open collector (npn) pulse width 50us min
Output Signal	Synchronous, 400 µs pulse, 0 to approx. ± 12 V DC 1000 ohms impedance
Display & Rate	Divide or multiply by 2, selectable
Operating Temperature	32-104 °F (0-40 °C)
Display	5 digits, 10 mm high, red LED
Flashtube	Xenon, 10 W maximum
Flash Duration	10-30 µs
Sensor Power Supply	12 VDC ± 0.5V (50ma)
Power Requirements	Internal Rechargeable battery
Weight	4.4 lbs. (2 kg)
Dimensions	4.7 x 5.6 x 9.7" (120 x 141 x 248 mm)
Warranty	2 Years
EXTERNAL MODE ONLY
Phase Shift	0 - 359° with 1° resolution or 0 - 333 ms from 200 - 3,000 FPM
Input Impedance	10,000 ohms

訂貨清單

Hard plastic carrying case with custom molded insert allows for safe storage and easy transportation. Provides storage space for the DT-315A, AC adapter, and accessories.

配件

NISTCAL NIST Traceable Calibration Certificate

311FH Spare flash tube for DT-300 Series Strobes

DT300CC Carrying Case for DT-300 Series Strobes

SG-300 Protective Rubber Caps for DT-300 Series Strobes

BP-315A Spare / Replacement battery pack for DT-315A

SAS-DT300 Articulating Swing Arm for Stroboscopes

DT-315A-BC Replacement / Spare Charger DT-315A 110V AC

DT300-CON Input / Output Connector for DT-311A, DT-315A Stroboscopes

311RT Spare Flash Tube Removal Too

訂貨型號

DT-315A DT-315A Battery Powered Digital Stroboscope, 115V Adapter