Use clamp ampere meter to measure the current and check if the heating power is normal.

用钳形表测量电流，检查发热功率是否正常。

youdao

This product is fully closed structure and can work in every moist (it still can normal working under water 1.5 meter), dust and corrosiveness environment.

整体式全封闭结构，确保在各种潮湿(可在水下1.5米处正常工作)、粉尘及腐蚀性环境中工作。

youdao

This added voltage is mainly power line frequency and its effect on the voltmeter reading will depend upon the normal-mode rejection capability of the meter.

这个相加的电压主要为电源频率的信号，其对于电压表读数的影响决定于电压表的串模抑制能力。

youdao

Then the utility would need to physically repair or replace each meter to return it to normal operation.

FORBES: OECD's Cyber Report Misses Key Facts

In a few minutes Lorelei brought out the peak flow meter, and when Davis blew into it he was back nearly to his normal reading of 380.

NPR: In 'Challenger Park,' Mom Is an Astronaut