Accuracy: ±4%. Power supply: 9v battery. The reasonably priced Dr ... The pricy General Tools Four-in-One Digital Moisture ...

Description: an IP54 dust and water protection structure. In addition to voltage output of 1-5 V DC, the lineup includes models with a 4-20 mA DC 2-wire current loop.

Given such a sensor, you can measure VOCs and NOCs (Volatile and Non-Volatile Organic Compounds), as well as PM1, PM2.5, PM4 and PM10 particulate matter indices, with temperature and humidity ...

Relative humidity is defined as the amount of water vapour saturation in air at a given temperature. It is usually expressed as a percentage and in most instances will vary from 40 60% for comfortable ...

Instead, this counter uses a PIN photodiode and some carefully chosen operational amplifiers. The total cost of such a device is significantly cheaper than the alternative: under $1 for the diode ...

Those who live in dry or frigid climates know that a little humidity goes a long way for the skin. Humidifiers can help introduce more moisture into your home by emitting water vapor into the air ...

These days people are watching telly in lots of different ways. Streaming on Channel 4 you can watch all our shows on your mobile, your laptop, your Smart TV or even your games console.

We use cookies on your device to help us provide a more reliable service, show you relevant adverts and create more shows you might like. Find out more atchannel4.com ...

Radio 4 is a station for anyone interested in intelligent speech. Its schedule is packed with the most insightful journalism, the wittiest comedy, the most fascinating features and the most ...

Here’s how it works. "The first three 'Witchers' were by definition a trilogy, so we simply could not name the next game 'The Witcher 4'," Kiciński said in an interview. "This does not mean ...