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An optical power meter ( OPM) is a device used to measure the power in an optical signal. The term usually refers to a device for testing average power in fiber optic systems. Other general purpose light power measuring devices are usually called radiometers, photometers, laser power meters (can be photodiode sensors or thermopile laser sensors ...
Power meter may refer to: Electricity meter measures electrical energy (electrical power supplied to a residence, business or machine over time) Wattmeter measures the electrical power circulating in any electric circuit. Microwave power meter measures power in a microwave signal. Optical power meter measures power in an optical signal.
Cable locator. Diagnoses a damage along a HV cable. Contact resistance meter. Measures the contact resistance of a power switching devices. Circuit breaker analyzer. Measures the parameters of a circuit breaker . Grounding resistance tester. Measures the parameters of a soil for grounding application. Transformer oil tester.
1 / 6. Scale tall buildings. This contraption won't help you leap tall buildings in a single bound, but it will help you scale the walls. A clever then-13-year-old boy used recycled vacuum ...
The Harmony 1100 is the latest to join the lineup, and is in many ways the most elegant to look at and to hold. Sadly, though, it's far from the most intuitive to use, and so is not exactly our ...
A chap named Benj Edwards has been kind enough to unbox for us Atari's Touch Tablet, a classic piece of kit from the bygone age of 1984 that -- alongside the Atari Artist software -- lets users ...
Geiger counter is a colloquial name for any hand-held radiation measuring device in civil defense, but most civil defense devices were ion-chamber radiological survey meters capable of measuring only high levels of radiation that would be present after a major nuclear event. Most Geiger and ion-chamber survey meters were issued by governmental ...
A Portable People Meter worn by Nielsen Audio panelists to monitor media exposure. The newer NPM-1 Portable People Meter (FCC ID 2ASUZ-NPM-1) installed in a wristband. Nielson Universal Meter Gateway UMG-2, which uses BLE to connect to the meters and uploads the collected data via LTE. The Portable People Meter (PPM), also known as the Nielsen ...