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Features 1 Protects you and your family from two threats carbon monoxide and explosive gas 2 Sounder Alarm The BH H3 Gas Tester offers a loud 75 decibel pulsing alarm that will sound to alert you to a potential problem 3 Alarm Status When the combustible gas concentration reaches the alarm value the red alarm indicator keep flashing and the Alarm keeps 1 sound per second When the concentration of carbon monoxide reaches the alarm value the red alarm indicator is keep on light the Alarm keeps 2 sounds per second 4 Peak Level Memory Recalls the highest CO concentration detected5 Test Reset Button Tests unit s electronic circuitry operation and allows you to immediately silence the alarm 6 Two alarms in one detects carbon monoxide and explosive gas7 Three convenient mounting optionsSpecification 1 AV voltage AV 220V 110V2 Working temperature 0 50℃3 Environment Humility 10 95 4 Detecting gas Combustible gasCO5 Sensor type Semiconductor sensor6 Gas Sampling Diffuse naturally7 Alarm set point Combustible gas 10 LEL CO 100PPM8 Warming time 3min9 Accuracy Combustible gas ±3 LEL CO ±50PPM10 Response time ≤60s resume automatically≤30sPackage included 1 x Gas Tester1 x English User Manual

Air pollution, a major concern at the end of the 20th century, still remains a significant problem to be solved today. Traditionally, industrial waste gases have primarily been treated through physical or chemical methods. The search for new, efficient, and cost-effective alternative technologies has led to the development and, more recently, the improvement of gas phase bioreactors. This book is the first single text to provide a complete, comprehensive picture of all major biological reactors suitable for solving air pollution problems. The text describes the main features and covers the major aspects, from microbiological to engineering, as well as economic aspects, of the different types of bioreactors. The book also presents an in-depth review of the subject, from fundamental bench-scale research to industrial field applications related to the operation of full-scale systems successfully treating polluted air in Europe and the United States. Material dedicated to more conventional non-biological technologies has also been included, to provide a complete overview of the different alternative treatment processes. Audience: The different chapters have been written by international experts, as a result of a fruitful collaboration between European and American scientists and engineers. The resulting text is a high quality, valuable reference tool for a variety of readers, including graduate and postgraduate students, researchers, professors, engineers, and those professionals who are interested in environmental engineering and, more specifically, in innovative air pollution control technologies.

Get the best car insurance for you at the best price by knowing all the information about car insurance.

How to buy car insurance? The most important thing is to know how to buy auto insurance.

As with any loan, the person with the highest credit score will be entitled to the highest interest rate. The banks that provide these services will place more stringent requirements on your credit score and the equity in your property. Here are the best interest rates we can find among lenders who still offer home equity loans

Choosing the right auto insurance for your family is an important decision. The coverage can help to protect a substantial investment, your car. The cost can affect your budget. With so many policies to choose from, it can become confusing to decide which one is best for you. In this article, we will discuss some tips that can help in the auto insurance selection process.

Each issuer has different criteria for approving credit cards, so if you can't apply for a new card, something is probably not right.

The steps for using ETrade for the first transaction are similar to those for any land-based financial institution. The main difference is that you can use ETrade to trade online rather than in person. You can use ETrade for your first trade anywhere you have an internet connection, and you don't need to talk to anyone or hear any selling points before or after the purchase. Your transaction costs may also be lower than those of traditional brick-and-mortar businesses.

​When the first time we applying for a credit card, we may feel a little nervous. Because there is always a frustrating possibility that it will not be approved. Here is a step by step guide on how to get an approved credit card. With this guidlines you can increase your chances of success.

It is essential to apply for a credit card to live in the United States.

The basic principle of building home equity is the same for everyone (paying off as much mortgage as possible), but in today's financial environment, different generations face different challenges. Therefore, no matter how old we are, we've put together some tips on building home equity.

Metromile's pricing is mainly based on mileage. For people who don't drive often, the charge is low.