頻閃儀是指控制光源發(fā)光，以特定頻率快速閃動(dòng)的光學(xué)測(cè)量?jī)x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(dòng)的光學(xué)測(cè)量?jī)x器。美國

頻閃儀是指控制光源發(fā)光，以特定頻率快速閃動(dòng)的光學(xué)測(cè)量?jī)x器。美國Checkline DS-12V頻閃儀本身可以發(fā)出短暫又頻密的閃光,當(dāng)調(diào)節(jié)頻閃燈的閃動(dòng)頻率,使其與被測(cè)物的轉(zhuǎn)動(dòng)或運(yùn)動(dòng)速度接近或同步時(shí),被測(cè)物雖然高速運(yùn)動(dòng)著,但看上去卻是緩慢運(yùn)動(dòng)或相對(duì)靜止,這種視覺暫留現(xiàn)象使人目測(cè)就能輕易觀測(cè)到高速運(yùn)動(dòng)物體的表面質(zhì)量與運(yùn)行狀況 ,而頻閃儀的閃光速度即為被檢測(cè)物體(例如:馬達(dá) )轉(zhuǎn)速和運(yùn)動(dòng)頻率 (印刷袋 ) ,亦可以利用頻閃儀分析物體振動(dòng)情況、高速移動(dòng)物體的動(dòng)作以及高速攝影等。利用頻閃儀觀測(cè)檢驗(yàn)技術(shù)在歐美已廣泛使用 ,隨著我國經(jīng)濟(jì)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(yàn)問題。

Check-Line DT-311A 頻閃儀也叫頻閃靜像儀或轉(zhuǎn)速計(jì) ,是能夠使作振動(dòng)、高速旋轉(zhuǎn)或周期運(yùn)動(dòng)構(gòu)件變成“ 靜止不動(dòng) " 構(gòu)件的一種光學(xué)測(cè)量裝置。

Check-Line DT-311A Flash Range: 40-35,000 RPM/FPM

Checkline DT-311A Portable, highly stable and accurate, industrial-quality tools for non-contact RPM measurement, inspection and observation of moving parts by "freezing" or "slowing down" the action.

AC-Powered version for use hand-held or can be fixed-mounted using the supplied 1/4-20 Threaded insert or using the optional Articulating arm accessory (model SAS-DT300).

Other models offered with built-in (Checkline DT-315A) or external battery (Check-Line DT-315AEB).

Highest accuracy and most stable flash rate
Provides 12 V DC power for external sensors
Easy-to-read LED display
Accepts external trigger input and provides synchronizing pulse output
Easy-to-operate controls include flash rate adjustment, 2x, divide-2 and phase adjust
Phase shift for best view and flash photography
Detachable pistol-grip handle
Instant double and half-rate flash selection for error-free reading

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	115 V or 230 V AC (specify), 50/60 Hz, 30 VA
Weight	2.6 lbs. (1.2 kg)
Dimensions	4.7 x 4.7 x7.2" (120 x 120 x 183mm)
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-311A, 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

SAS-DT300 Articulating Swing Arm for Stroboscopes

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

DT-TRI-HD Tripod for Tachometers and Stroboscopes

311RT Spare Flash Tube Removal Tool

訂貨型號(hào)

DT-311A Digital Stroboscope (115V AC)

DT-311A-2 Digital Stroboscope (230V AC)