calibrate GRE

It is especially powerful for calibrating quarte-wave-plate and half-wave-plate, the metrical precision is less than 0.1%.

于1/4波片和半波片的量精度于0.1%。

The NRG Pyranometer is an excellent general purpose solar radiation sensor that is calibrated for the daylight spectrum.

NRG日照传感器是质的太阳量传感器，量直和折太阳，从而得出总量。输出一个低电流信号。

A reference material for calibrating and verifying the calorimeter of propellant explosion heat is composed of nitrocellulose(NC),nitroglycerine(NG),centralite and vaseline.

采用硝化棉、硝化甘油、中定剂和凡士林为火药爆热热量计检定用标准物质的组成成分,通过生产工艺化制备出该标准物质。

California Instruments joins AMETEK as part of its Electronic Instruments Group (EIG) -- a provider in advanced monitoring, testing, calibrating, and display instruments.

加利福尼亚仪器公司作为其电子企业集团（EIG）的一部分加入AMETEK，该集团是先进监视、试、校准和显示仪器的提供商。

As a consequence of the drift of inclinometer's mechanicalness and electrical circuit during the long-dated observation,the lattice value of the inclinometer's record trunk must be calibrated termly.

在长期的观过程中,仪器机械部分和电路部分均会产生漂移,因此,仪器记录曲线的格值必须定期进行标定。