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Also, the power supply should be protecting the battery from deep discharge and maintain short-circuit power output of 12 V. The fourth option – it is desirable that the system had Remote led display, which allows you to visually monitor the status of the device. It is very important when using electronic switches such as Touch Memory, key fobs and cards for remote arm and disarm the device with protection. The fifth option: it is necessary for the system to a single message more fully describe the state of the system of protection, For example, an alarm indicating the zone in the state of GSM-system, describe how the relay protection included how much charge is left in the battery, what is the telephone line (if any). There are additional optional parameters – For example, depending on their level of GSM-protection can not only inform the owner about the problems of protection, but also independently to respond to such stimuli. Since attackers can, and block the cellular network in District with a simple cellular "jammers", it is important that, in response, say, the invasion, the system is not just going over numbers to send sms messages as "happy" news, and immediately use alternative methods delivery of the message or include sirens, opened the cells with the dogs, bodyguards, the light on, or allowed tear gas. The sixth option – it is very important to know how to burglar alarms to monitor the availability or no signal from the base station.
Virtually all models GSM-signaling devices used by an attacker or suppress signal interference is a problem, but solvable. The system simply must be able to to signal an alarm prior to the owner of the building or premises with a deterioration of signal quality from base station. And in the absence of the main channel – use alternative. So, to summarize. Principle gsm security alarm system works is as follows: the device has multiple inputs for sensors and multiple outputs for the actuators, as well as cellular gsm module. When firing one or several sensors (motion, smoke, volume, noise, and others) are connected to the input device, alarm system gsm security immediately dials or sends SMS-messages to preset numbers.
Simultaneously, the trigger appropriate actuators. For example, in the event of a fire extinguishing system activated. Manage the work of GSM-alarm system remotely via a telephone call or an SMS-message. Main differences and advantages of the GSM-alarm systems: * Completely wireless gsm alarm system: does not require wiring, walls of other construction-related violation of the interior. * Very easy to install and service: installation and configuration of gsm signal from a layman takes 15-30 minutes. * Independently deters intruders inclusion of a powerful siren and simultaneously begins to auto dialing, sending sms and voice messages specified phone number. * Has built-in capacity battery, allowing gsm alarm systems work without electrical connections to 5 days. * Works and sub-zero temperatures, so the complex can be operated in winter in unheated spaces, such as: garage, summerhouse, storage and others. * The control panel has a built-in microphone allows you to remotely listen to the room with the phone. * Cheaper existing Today analogues. * Has a single control panel with built-in receiver-transmitter, GSM-modem and programmer.
The operating principle of gsm signaling is that after firing any wireless motion sensor or door opening, and use a panic button activated a siren and immediately begin an alert via gsm channel by using sms (MMS) messages or phone calls to the owner or point guard. The user has the opportunity to record all messages, but with a special speaker to maintain direct feedback from the protected object. Consider some typical key system parameters GSM-alarm system. The first important parameter: gsm alarm system must be vandal, that is located in a secure metal case, where has all the elements, including – GSM-terminal block to connect cables, power supply. All this is necessary to perform the main functions of the system – the transfer of alarm sms or mms messages, and the inclusion of other devices. Well casing protects it from Snoopy.
The second option is that device must have no sufficient number of connectors for connecting various sensors signal. It is desirable that protected areas have been programmed – for example, the first connects to a chain of sensors movement, the second – the chain of Smoke detectors for the third – a reed switch on the front door, while the fourth – a chain of impact sensors. Also, do not interfere with some additional outputs for actuators (eg, light and reminders). The third parameter is characterized by the need to pay the availability and quality of the built-in power supply of special attention. After all, uninterruptible power supply and battery should provide a reliable the work of all elements of GSM-system (centralized and sensors connected to it) when a power failure for at least a day.
This package meets the European quality standards. Due to a combination of materials with different physical and chemical properties of the extrusion blow molding technology allow you to create multi-layered packaging materials under the specific product that meets the European quality standards (plastic jerry cans, jars, bottles); Feature technology allows the production of plastic packages, which has major advantages: low weight packaging, compared with the weight of the packed product, which allows logistics to deliver goods to the consumer to be more effective, low cost per unit of plastic packaging compared to other packaging materials. Reduced raw material costs weighed less a product – the less it costs. To broaden your perception, visit isearch. This is the most straightforward and an obvious dependence. However, it is clear that losing weight reduces the strength and the resulting capacity simply does not meet the requirements laid. Many years ago, extrusion blow molding machines are almost universally equipped with systems parizon control. These systems allow you to adjust the gap extrusion head on the fly from a given profile, and thus distributing the weight of the necessary parts of the product and cut it with useless sites achieved by optimization of weight. For capacities ranging from 1-liter gain in weight has always been, for any design of the bottle. Parizon control by vertical optimization of weight, because thickness profile is adjustable in the vertical products from the bottom up (or vice versa). We can facilitate (or heavier), for example, the lower part of the product, but could not do anything if you want to facilitate, for example, the sidewalls of the products for facial.
By the autumn of 2007 on the Russian market of thermal insulating materials, namely the market of liquid ceramic insulation coatings in Russia have become more visible six brands of manufacturers Izollat – ooo "Special technology", the Ekaterinburg Alfatek – npo Alfatek, Moscow Astratek – llc Termalkom, Volgograd mascoat – in Russia and Ukraine imported only under this brand in other countries of cis products are imported under the brand name – Thermal-Tec. tsm Ceramic – llc npk RosIzoProm, Belgorod. tc Ceramic hb (Termal Coat) – Firm Capstone Manufacturing llc, usa All materials are similar in structure and cooking recipes – it's microscopic, air-filled discharged ceramic and silica beads, which are suspended in a liquid polymer composition. This combination makes the material lightweight, flexible, expandable and has good adhesion to the covered surfaces. It should be noted that the recipe making every manufacturer includes special additives and modifiers, which allow to separate the material on the different brands – providing excellent corrosion protection, which enable operate at low temperatures, which increase stoikost material to various aggressive environments. In addition, the coating can be given the desired color to the consumer. The presence of such high quality polymer binder provides a material that can hold a huge number of microspheres. I would like to stay at the most interesting point – it is advertised by sellers of such thermal insulation coatings on their websites: Izollat – 0,002 – 0.007 W / m C (test method not specified) Alfatek – 0,0011-0,0015 W / m K (for any method ispytavali not specified) Astratek – 0.0011 W / m C (for any method tested is not specified) mascoat – 0,001 W / m C tsm Ceramic – 0,001-0,003 W / m C (GOST 7076-87) Termal Coat – 0,005-0,04 W / m K (depending on temperature and heat flux on the surface of the object, the method of testing is not indicated) the following data on the thermal conductivity does not possess not one of insulation materials.
Now, despite the total dominance of oil and gas, coal industry plays a significant role in the development of our country and abroad. In the early 90's when the mining industry has achieved unprecedented collapse started restructuring the field. Isearch may find it difficult to be quoted properly. And now, mining again growing at a rapid pace. The development of conceptual techniques of mining and engineering professional machines latest designs, help improve the byproducts of coal. Furthermore, the construction of computerized coal mines increases the reliability of the workers. Reducing the large number of mines and coal mines helped to reduce cost of coal. Extensive research contribute to augmenting the number of coal mined, as well as improving its consumer properties. Nevertheless, and the request to the mining industry stepped up.
Based on this sell coal company has the need to comply with numerous provisions, whether tb or quality of coal products. To know more about this subject visit isearch. All this, of course, used to improve the position of mining in comparison with gas and the oil industry. And to date, the growth of the coal industry is becoming more noticeable. Besides coal, there are technologies for processing coal products. Technology does not stand still, and in these areas also apply the latest technology. So, sold to the Altai coal is converted into a large number of product variants.
This approach allows us to improve the profitability of mining in this area and increase sales of this buyers. Thus rises and consumer demand for coal. Generally, coal today is used everywhere, eg in the field of energy supply of housing. Most of the apartments and houses today receives heat just at the expense of coal. Therefore, immensely significant to support this sector, social sector workers to form and maintain the technology of mining. Especially, with evolution of technology, mining and quarrying becomes interesting. Set of methods to upgrade and improve the mining business makes this area favorable to shareholders, appealing to country, and trustworthy for ordinary citizens. Use of new approaches in this field will make the coal industry in a successful and reliable. In this connection, the mining industry in Russia in the nearest time again become a priority for progress. And in addition, coal deposits in Russia more than resources of oil and natural gas.
Heat buildings should provide thermal comfort for those in their people or the possibility of technological standards for the parameters of internal air temperature depending on the purpose of facilities and equipment located in them. In the current climate conditions and long cold winters in Russia, people stay indoors is not possible without a functional heating system, which provides compensation for heat loss through the enclosing exterior design and an external heat supply air to the sanitary norms. According to observations for a person should preferably be the most optimal rules in a residential area, administrative and residential and public buildings: indoor air temperature 20-22 C, relative humidity 30-45%, the rate of air flow up to 0,2 m / sec. Such standards are necessary for people which are continuously more than two hours in the room. The choice of design heating depends primarily on the type of thermal energy used for heating the indoor air temperature. For our country is characterized the presence of large forest areas and in connection with the wood from ancient times has been the primary fuel, the burning of which generates thermal energy for space heating.
In the years 1900-1920. proportion of wood held in energy balance of the state – 60-50%. As fuel wood is a renewable source of heat, because when you correct approach in the management of forestry firewood is primarily dead wood, which should be removed to avoid the multiplication of harmful forest insects and diseases. The use of wood for heating device required massive and multi-pass furnace, they heat flue gases from burning wood is practically a day delayed in laying bricks. Posted by Russian masters of massive construction of the heat furnaces acquired the name "Russian stove". Stove heating device provides not only heating the room, but its ventilation. During the reconstruction of homes in 20 – 30-ies last century chimneys of furnaces to plug and heat the premises took place due to the device under windows, cast-iron batteries for which serve hot coolant from the central source (boiler or CHP). Sealing of chimneys led to the emergence of stuffiness in the premises, taking a sip from the battery.
This experiment shows that the space heating due closely with ventilation. Dismantling the furnace heating for reconstruction, it is necessary to lay new channels for the ventilation system. Heating system consists of the following parts: – source thermal energy – heat transporting device for the premises – heaters that transfer heat energy to heat the air space. By the nature of communication source generation thermal energy from the heated rooms of the heating system is divided into: – Local, where the heaters and the source of thermal energy production are located in the heated room or in close proximity – central, where the source of thermal energy production runs at the heating of buildings and related transportation devices with heating appliances installed in heated rooms. To the local system heating include, for example, stoves that burn coal or wood. Source of thermal energy in this case are the waste gases produced from burning fuel. Flue gases are highly temperature and heated masonry brick multi-pass flues. Another kind of local heat supply systems are air-gas units, they heat to the heated environment, be passed through the separation wall. In our country the most widespread, with 30 years of the last century, were central to the heating system.