绝缘

At thirty degrees centigrade,the minimum insulation resistance is one point five megohm.

在摄氏30度时，最小绝缘电阻为1.5 MΩ。

Insulated electric resistance rates of leads should not less than 1 megohm.

导线间，导线对地绝缘电阻值不能低于 1 兆欧。

Dry motor: 500 megohm table measuring pump casing of the winding and insulation resistance, if less than 0.5 megohm resistance, it should repel water motor.

干燥电机：用500兆欧表测量潜水泵的绕组与外壳的绝缘电阻，若阻值低于0.5兆欧，就应驱除电机水分。

A megohmmeter,commonly known by the trade name MEGGER,is an instrument used to measure very high values of resistance.for example, it is used to measure the resistance of the insulation on circuit conductors and motor windings amdgohmmeter is designed to measure the resistance in megohms;one megohm is equal to one million ohms.

兆欧计是一种用来测量巨大电阻的仪器，通常用商标MEGGER代称（估计MEGGER牌的市场占有率很高）。例如，它被用于测量回路中导体和电动机线圈的绝缘电阻。兆欧计的设计测量单位是兆欧，相当于一百万欧姆。

Using a megohmmeter, make insulation tests on motor and transformer windings from phase to phase and phase to ground.

使用欧姆表检测电机和变压器绕组的各相间及各相的对地绝缘性能 e。

Use megohmmeter of 2500/500V for measurement , the insulation 5 resistance values should not be less than 70% of experimental values of production delivery.

采用 2500/500V 兆欧表进行测量，绝缘电阻值不应低于产品出厂试验值的 70%。

Insulation Resistance meauring: rated voltage of 100 V and above, use of 1000 V Megohmmeter; rated voltage below 100 V, use 500 V Megohmmeter.

绝缘电阻的测定：额定电压为100V及以上者，使用1000V兆欧表；额定电压为100V以下者，使用500V兆欧表。

1KV cable, use 1000V or 2500V Megohmmeter to measure the resistance of conductor to earth insulation resistance instead of DC voltage endurance test.

对额定电压为0.6/1kV的电缆可用1000V或2500V兆欧表测量导体对地绝缘电阻代替直流耐压试验。

The thermal properties, mechanical properties of PI-MWNTs nanocomposite were analyzed by Thermogravimetric analysis, Universal Test Machine and Hardness Pencil Test. The morphology of PI-MWNTs was observed by scanning electron microscopy. The dispersion of MWNTs in matrix were observed by transmission electron microscopy. The electrical property of composite were obtained by Super Megohmmeter.

研究中使用傅立叶转换红外光谱仪来鉴定其化学结构，热重损失分析仪探讨材料的热稳定性质，万能试验机及铅笔硬度计观察其机械性质，扫描式电子显微镜与穿透式电子显微镜来观察材料的表面型态及奈米碳管於基材中的分散性，超绝缘仪量测材料的电性。

AC voltage endurance test of secondary circuit:voltage for test is 1000V,when insulation resistance of circuit is above 10M,we can use megohmmeter of 2500V for replacing,test time is 1 minute,take measures to prevent overvoltage and dielectric puncture during test.

3.10.1.3 二次回路交流耐压试验：试验电压为 1000V，当回路绝缘电阻在 10M 以上时，可用 2500V 兆欧表代替，试验时间为 1min，试验时应采取措施防止过压击穿。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。