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上架日期： 2018年2月5日瀏覽量： 220次

Ohmic UPM-30超聲功率計(jì)，150 mW分辨率

產(chǎn)品價(jià)格：￥100（人民幣）

規(guī)格：UPM-30

發(fā)貨地：深圳

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最小起訂量：1臺(tái)

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深圳為爾康科技有限公司

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商品詳情

美國(guó)Ohmic UPM-30超聲功率計(jì)，150 mW分辨率
UPM-30超聲功率計(jì)設(shè)計(jì)用于使用輻射力平衡方法測(cè)量高達(dá)30瓦的診斷或治療傳感器的超聲功率輸出。UPM-30由0.01至10.00克的精密機(jī)械秤，懸掛在吊架上的圓錐形目標(biāo)，水箱，帶夾子的換能器支撐桿和手提箱組成。要測(cè)試的傳感器安裝在圓錐形靶上，傳感器的輻射面朝下浸入水介質(zhì)中。
UPM-30型通過(guò)測(cè)量換能器對(duì)錐形目標(biāo)的輻射力來(lái)確定超聲波的平均功率。該目標(biāo)與用于測(cè)量由于超聲輻射引起的克機(jī)械力的精密機(jī)械平衡耦合。當(dāng)乘以14.65的常數(shù)時(shí)，克力與超聲功率成正比，單位為瓦; 因此，2.05克力將等于30瓦的超聲輻射。
UPM-30裝置的核心是充氣圓錐形靶。通過(guò)使用自身的浮力，該目標(biāo)的重量被降至最低。超聲波能量從目標(biāo)機(jī)械地轉(zhuǎn)移到測(cè)量的精確平衡點(diǎn)。反射超聲能量被水箱內(nèi)的閉孔丁基橡膠壁吸收。該系統(tǒng)提供了一個(gè)堅(jiān)固的儀器，具有良好的測(cè)量精度和經(jīng)濟(jì)的成本。

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UPM-30超聲功率計(jì)標(biāo)配包括以下附件：
金屬外殼 - 黑色
1克校準(zhǔn)重量
NIST可溯源校準(zhǔn)證書
用戶手冊(cè)

Ohmic’s Ultrasound Power Meter, Model UPM-30, is designed to measure the ultrasonic power output of diagnostic or therapeutic transducers up to 30 watts using the radiation force balance method. The UPM-30 consists of a precision mechanical balance which measures from 0.01 to 10.00 grams, a conical target suspended on a hanger, a water tank, a transducer support rod with clamp, and a carrying case. The transducer to be tested is center mounted over the conical target with the transducer’s radiating area immersed face down in the water medium.
Model UPM-30 determines the average ultrasonic power by measuring the radiant force exerted by the transducer on the conical target. This target is coupled to the precision mechanical balance which is used to measure the gram-mechanical force due to the ultrasonic radiation. The gram force is directly proportional to the ultrasound power in watts when multiplied by a constant of 14.65; therefore, a 2.05 gram force would be equal to 30 watts of ultrasound radiation.

The heart of the UPM-30 unit is its air-filled conical target. The weight of this target is nulled to a minimum by using its own buoyancy. Ultrasound energy is mechanically transferred from the target to the precision balance where it is measured. Reflected ultrasound energy is absorbed by closed-cell butyl rubber walls inside the water test tank. This system provides a sturdy instrument with good measurement accuracy and economical cost.

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