Recently, a French health report acknowledged that intense exposure to the blue light specifically in LEDs can lead to eye damage and natural sleep disturbances. This is consistent with other data that shows blue wavelengths can contribute to the onset … Continue reading →

For example, if the specified resistance at 25°C for a thermistor with 10% tolerance is 10,000 ohms then the measured resistance at that temperature can range from 9,000 ohms to 11000 ohms. Thermistors/Temperature Measurement with NTC Thermistors. ADC Output Temp … Continue reading →

There are several reasons; the distance from the water heater, the diameter of the piping, and the flow rate of the water. The further the hot water has to flow, the longer it takes to heat up the shower faucet. … Continue reading →

an automatic boiler shutdown is a beneficial feature as it prevents the boiler from firing up when there’s an issue within the system. In essence, a boiler lockout helps keep your boiler safe even when something is not working correctly. … Continue reading →

A common culprit for this fault on Baxi boilers is a lack of pressure. If your system is set lower than 1.5 bar then it won’t operate correctly. Now, the quick fix is to top up the pressure using the … Continue reading →

To buy a bundle using USSD, simply dial *355# from your Zamtel line select option (Velocity/Zamtel Home) From the menu displayed select your preferred bundle depending on the available airtime on your number. Select 88 to specify the number to … Continue reading →

EcoCash has introduced a new option for people who’ve mistakenly sent money to the wrong individual. By dialling *150# and selecting option 3 (Self Help/Reversal) EcoCash subscribers can either submit a reversal or approve the reversal of a transaction. How … Continue reading →

Typical materials used for electromagnetic shielding include sheet metal, metal screen, and metal foam. Common sheet metals for shielding include copper, brass, nickel, silver, steel, and tin. What metal blocks EMF best? CopperCopper is the most reliable material of choice … Continue reading →

But even more pressing and immediate, in terms of vulnerabilities, is the remote shut-off capability in smart meters. Digital smart meters have an electronic disconnect switch that allows the utility company to shut down electricity remotely. Can smart meter turn … Continue reading →

Billing accuracy The author of the report, Prof Leferink, said: “We’ve known since 2009 electronic meters can give readings which are too low. But this is the first time we’ve seen they can be much too high. We were flabbergasted … Continue reading →

How does digital water meter work? On digital meters, If water is flowing, the screen will flash between the current reading and the rate of flow (in cubic feet per minute). On the face of the meter, numbers are arranged … Continue reading →

These meters are equipped with an electronic computing unit, or ECU, that facilitates communication between the meter and the supplier. Unlike mechanical water meters, smart meters track water usage through technology such as ultrasonic or electromagnetic readings that provide more … Continue reading →

The best way to check is to find a multi-galloned receptacle that you can fill up with an exact measurement. If you check the measurement of water with your water meter and the numbers don’t add up, you have yourself … Continue reading →

How do I turn off my water at the meter UK? How to turn your water off using your outside stop valve. Before you start, check your inside stop valve and try to turn your water off from there. If … Continue reading →

Is it possible to create artificial sunlight? It’s Definitely Possible! As it turns out, we can have an artificial sun on Earth, but as you might expect, creating an artificial sun takes a bit more than conducting a small experiment … Continue reading →