Questions tagged [measurement-devices]

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USB Power Meter to measure Smartphone Energy Consumption

Is it possible to use an USB power meter like the UM24C (https://liutyi.info/um24c/) to measure the energy consumption of a smartphone (in detail, I would to measure the current drain)? For example, ...
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1answer
50 views

USB voltmeter, the other way around

I would like to find a device that: Plugs into the wall outlet. Plugs into a USB connection to a computer. Measures the voltage in the wall outlet. Reports the voltage to the computer, presumably as ...
1
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1answer
25 views

How to measure Earth’s magnetic field?

I want to measure Earth’s magnetic fields. I want to chart the strength of these fields to observe how they change daily, and compare those details to global records. My question is what kind of ...
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0answers
10 views

What sensor to use in measuring the alcohol content for wine aging

I'm a student,badly need some information about a good sensor to use for measuring the alcohol content of a wine during the aging phase. Your answers will be a great help in my future.Thank you.
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1answer
25 views

What can measure the spectrum frequencies of a monitor?

I often have adverse health effects when sitting behind a monitor for more than a short period of time. I am interested in finding out, what exactly it is that's affecting me. For example, I have ...
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1answer
50 views

What spectrum analyzer can detect Wireless AD?

Wireless AD now has a 60GHz frequency band. Because of its immense bandwidth, I'd like to measure, how much ElectroMagnetic Radiation I am exposed to when I am in its vicinity. However, the EMR ...
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0answers
20 views

Water Detection Sensor With Configurable Endpoint

I'm working on an IoT Project that monitor the temperature / humidity of a house and detect if there are water leaks. Now, I'm looking for a water detection sensor with these constraint : Must be ...
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0answers
16 views

Optical gas sensors for remote sensing vehicle emissions

Remote sensing of vehicle emissions consists of analyzing the emissions of a vehicle passing by using a light source and a light detector (generally in the IR and UV range) to check if the car is ...
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0answers
24 views

Stand alone smart watch/fitness band with skin temperature sensor

I am looking for a smart watch or fitness band that can I can program to monitor skin temperature and alert me when certain criteria are met. I have the following requirements: Worn on the wrist ...
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0answers
43 views

Economical solution for time synchronization (+/-200ns)?

I'm looking for hardware (or dedicated server options) that enable time synchronization to within +/-200ns of UNIX Epoch. I've started looking at GPS referenced bus level timing (PCIe) in the $2500 ...