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卡式水表已经或将要进入家庭,为了节水,这是必然趋势。目前,虽然它的发展速度还不够快,但它有着巨大的潜在市场,也吸引了不少企业进军这个领域。 水厂要降低生产成本;各地的自来水公司及小区建筑商,也都期盼着安全、可靠、价廉的卡式水表能够尽快上市;百姓则认为安装卡式水表可以节约水费,且更加安全,避免了生人入户(查表),但是,价格问题对于部分地区来说还是一个障碍。 卡式水表的应用范围很广,如普通自来水水表、纯净水水表、供暖热媒水水表、中央空调冷媒水水表等。卡式水表要用卡计费,在“卡”的选择上,业界人士认为IC卡不如IB卡。因为(1)IC卡容易损坏,(2)容易被破译、被盗用,(3)水表的使用环境比较恶劣(潮湿、生锈),IC卡为触点式接触,生锈后影响使用。而
Card meter has or will enter the family, in order to save water, this is the inevitable trend. At present, although it is not growing fast enough, it has a huge potential market and attracts many enterprises to enter this field. Waterworks to reduce production costs; around the water company and community builders, but also look forward to safe, reliable, inexpensive card meter to market as soon as possible; people think that installing a cartridge meter can save water and safer , To avoid the entrance of strangers (check list), however, the price issue is still an obstacle in some areas. Card water meter wide range of applications, such as ordinary tap water meter, pure water meter, heating media water meter, central air conditioning refrigerant water meter. Card meter to use card billing, in the “card” choice, the industry believes that IC card as IB card. Because (1) the IC card is easily damaged, (2) it is easy to be deciphered and stolen, and (3) the environment of use of the water meter is rather harsh (damp and rusty). The contact resistance of the IC card is used after rusting. and