Preface Before main ac are utilized in accommodations, office structures also places, loaded with central air-conditioning of high-grade work place normally a mention of the typical location shared equally by warming for central air-conditioning fees, metering fees is not therefore hot and cold cause companies to cover interest; 2000 impact on October 1 implementation of the “energy saving administration provisions” plainly needed “metering, adjustable price charging.” Until the past two years, the appropriate state departments into the three northern areas heating metering and asking just stimulate domestic businesses calorimeter R & D, manufacturing. Using the recent economic development and improvement of living standards, large-scale main ac units to the homes of ordinary men and women, consequently, as a high-end customer goods, calculated within central air-conditioning cost is indisputable fact that need of domestic enterprises are some of the appropriate central air conditioning measured fee product development and manufacturing.
Domestic market, the main air conditioning air conditioning power dimension products is generally divided in to two schools: , the initial law of thermodynamics (power = movement rate Ã heat huge difference) is the theoretical basis of “heat meter” mode; , to ( Power = power Ã time) when it comes to theoretical basis of “time accounting” design; in a choice of mode can theoretically achieve the main air-conditioning metering, according to the amount recharged, but people need to pay interest when you look at the choice of the following:
Legitimacy: 1, identification items, “particular calculating instruments of ratification”, under “Measurement Act procedures” states: “sort of measuring tools of ratification” will be determine the dimension of item programs (range) associated with authorized papers. Can not hold “water meter” and “kind of measuring instruments of ratification” determine gasoline usage!
2, the identification given by the company “manufacturing measuring devices”, the logo is permitted to make its items, product sales regarding the authorized documents. In accordance with “Measuring legislation” and “procedures for the Implementation of measurement”, perhaps not “manufacture measuring devices” doesn’t permit the measurement of item production, product sales and make use of, therefore the use of these types of does not “manufacture calculating devices” measurement products dimension results will never be acknowledged, in addition do not “permit charges.” Complex calculating instruments to acquire a standard “manufacturing measuring instruments”: If the temperature meter by a meter, Temperature Sensor And energy calculator of three parts, while the three components of temperature meters tend to be calculating tools by themselves, have actually their own split running time “manufacturing measuring tools”, this might perhaps not change the calorimeter overall “measuring devices production permit card “; Similarly, the” time payment “model usually have the meter and meter-reading methods (including repeaters, number and billing computer software), made up of two components, both are believed part of the exact same measuring gear, have actually unique individual undertakings “manufacturing measuring tools”, this doesn’t change the central air-con price of “manufacturing measuring tools”; that components don’t necessarily qualified to create skilled items! Consequently, the designer must open up wide a couple of “eye”, also those low-quality counterfeits switched away.
3, the identification supplied by the manufacturer, “gauging Instruments Inspection Report” of this content is assessed by the national certification figures associated with the measure and whether services and products pass the test associated with content of the analysis outcomes.
Â If these documents are partial, it is strongly suggested not to ever utilize, in order to avoid unneeded difficulty
Reliability: main air metering and charging is a technology, involving numerous components of users. Supply the technology or equipment companies differ greatly, its inescapable a few of the immature technology or equipment to offer to developers, causes the implementation of home administration, leading to incorrect data, open the inadequate, worthless also issues, such as for example simple in certain sellers fan coil thermostat to attach a “time” function that it is the “time payment” system, actually, there is no these types of Mengren item “manufacturing measuring instruments,” because it steps the time the switch starts, don’t ought to be the working period of the main air-conditioning fan coil, lover coil central air conditioning equipment is more than “effective” working time; also boasts some of the energy measurement reliability, exactly how much, actually, residing life as a main air-conditioning charges plus the percentage of bills little, building temperature reduction while the fundamental costs shared similarly unbalanced mistake much better compared to the dimension accuracy of its very own, like a taxi meter as opposed to by usage relating to yards kilometers of toll charges, due to the fact price measurement precision and measurement item must match the personal expenses, the pursuit of large accuracy as configured mature technology, in the end, powerful, and reliable measurement information is one of the keys!
Practicality: With central air conditioning expense will boost housing prices, these prices are in the end borne by customers. Although some technical theory is very good, but costly, or future utilization of the large expenses or high upkeep expenses, the use of these technologies should be more through the cost-effective, multi-bearing capacity through the customer to think about, examine if it is required. For individuals who don the advertising of low to induce designers to hook the business enterprise, but should become aware of. And scalability for advanced level reduced prices, decreased financial investment normally very essential to prevent duplication of investment and many investors. Electric technology development results, concerning nearly Residence The resides of content, however, continue from reality, central air-conditioning should-be utilized calculating instruments are the most economical and most useful technology.
Unique Reminder: Calorimeter metering and billing for existence of requirements for main air-conditioning bottleneck?? CJ128-2000 calorimeter standard is developed for heating dimension, dimension accuracy associated with the marketplace as a “3” meter, the temperature array of 3-95 ; “2” meter, the heat selection of 2-95 , as the central air-conditioning standard heat of 5 , even though the set up “2” precision of dimension of heat yards in the central air-conditioning, 40percent associated with following error appears calorimeter continues to be the “qualified products”, that is obviously stratified calorimeter dimension of 20 people, 13 come in use, is expressed isn’t assessed, although technology sector identified in the table remain “qualified” reasons. Do not listen to some of the vacuum cleaner heat meter operational staff boast! Unless you will come up with criteria higher than those based on the Heat Meter temperature Meter CJ128-2000 standards!
CFP series central air-conditioning cost information:
CFP sets main air conditioning expense is an organization engaged in the central air cooling and application of metering and billing the fruits, the company is pioneering the “effective” accounting concept and “time-billing” way of crystallization
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