上海開鎖換鎖176-2161-9528防盜門開鎖、換鎖

一把鎖至少帶指紋開門跟機械開門，機械鑰匙開門是國家法律規(guī)定的。如果又附加了密碼，感應(yīng)卡之類的開門方式，價格自然就高了。市場上指紋鎖價格不一，有高有低，普通型的指紋鎖1500至4000元之間，別墅型的更高些。總得來，需要消費者根據(jù)自己的需求與購買力，綜合比較產(chǎn)品的性價比。總的原則是一分錢一分貨。

指紋鎖選購指南

（一）看材質(zhì)

指紋鎖的制作材料主要三種，分別是塑料、鋅合金、不銹鋼。其中，塑料的耐用性、防火、防爆性能最差，鋅合金次之，不銹鋼最佳。由于國內(nèi)治安環(huán)境復(fù)雜，因此國內(nèi)指紋鎖一般以鋅合金為主，以及少量的不銹鋼指紋鎖。針對國情來說，國內(nèi)消費者在選擇指紋鎖時最好選擇不銹鋼指紋鎖，且需記住”一看二敲三掂量“的選購字訣。

一看：看外表。三種材質(zhì)的指紋鎖在外表看來幾乎沒有多大的差別，這得益于現(xiàn)代高超的電鍍技術(shù)，將不同的材質(zhì)電鍍得外觀幾乎和金屬相似。塑料材質(zhì)的指紋鎖一般表面較為光滑，色澤艷麗，而鋅合金稍微粗糙和亞色一點，不銹鋼最為粗糙和亞色。

二敲：如果很難“看“出指紋鎖材質(zhì)，我們可以用“敲“加以判斷。用手指輕輕敲鎖體的側(cè)邊(正面由于觸摸屏等不同材質(zhì)的構(gòu)件不好判斷)，如果聲音渾濁不清或較為空曠，那么一般來說是塑料制品的可能性較大，不銹鋼指紋鎖敲擊起來聲音比較尖銳集中，沒有太大的擴散感，穿透力比較好，而鋅合金鑒于兩者之間，聲音沒有不銹鋼尖銳，但比塑料制品清新明朗許多。

三掂量：如果用“看“與”敲“兩個方式均還不能判斷出指紋鎖材質(zhì)的好壞，那么可以用一個最簡單也是最有用的方法去衡量，那就是“掂量“，大家都知道這三種材料孰輕孰重，塑料制鎖即使內(nèi)部分量很足(一般塑料鎖內(nèi)部零部件材質(zhì)也是塑料或者其劣質(zhì)材料)與鋅合金或者不銹鋼還是會存在一定的差別，掂一掂就知分曉了。

（二）試功能

這里所說的“試功能“指的是“三開兩度”，“三開”是指指紋開鎖、密碼開鎖及磁卡開鎖，“兩度”是指反應(yīng)速度及精準(zhǔn)度，即測試這三種開門方式的速度及精準(zhǔn)度。

首先，測試指紋開鎖的反應(yīng)速度及精準(zhǔn)度。先讓店員錄入你的指紋，這也是檢驗指紋鎖功能的一步。錄指紋時，觀察一下店員錄入指紋的難易度，如果一個指紋錄入多次都不能識別，幾乎可以判斷此指紋鎖的分辨率不高(分辨率越高，辨識越精準(zhǔn)，反應(yīng)越快，安全性也越好。目前指紋鎖分辨率的行業(yè)標(biāo)準(zhǔn)是500dpi，現(xiàn)能達到的最高標(biāo)準(zhǔn)是第吉爾指紋鎖的560dpi)。錄入指紋后，隨機測試指紋鎖對正確指紋的辨識及反應(yīng)速度，如果指點即開，那么它的反應(yīng)速度就快，反之則慢。反應(yīng)速度越快說明分辨率越高，鎖的性能越好。同理，如果能快速識別真假指紋，那么其精準(zhǔn)度就好，反之則差。測試時最好多試幾次，只有多測試幾次才能更好的辨認其優(yōu)劣。

其次，測試磁卡和密碼開鎖。磁卡開鎖和指紋開鎖的測試方式一樣，也是測試其反應(yīng)速度及精準(zhǔn)度，分別用授權(quán)的磁卡和沒有授權(quán)的磁卡在磁卡區(qū)域分別測試，看鎖對磁卡的反應(yīng)及辨認，如果反應(yīng)速度快，那么鎖的性能就好，反之則差。密碼開門也是測反應(yīng)速度及精準(zhǔn)度，測試方式也是用正確的與不正確的兩種方法交替進行，反應(yīng)速度越快說明技術(shù)含量越高，而精準(zhǔn)度越高，安全性就會越高。

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Firstly, test the reaction speed and accuracy of fingerprint unlocking. First, let the salesperson enter your fingerprint, which is also a step to verify the fingerprint lock function. When recording fingerprints, observe the difficulty of the salesperson entering fingerprints. If a fingerprint cannot be recognized multiple times, it is almost certain that the resolution of the fingerprint lock is not high (the higher the resolution, the more accurate the identification, the faster the response, and the better the security). Currently, the industry standard for fingerprint lock resolution is 500dpi, and the highest standard that can be achieved is 560dpi of the Digier fingerprint lock. After entering the fingerprint, randomly test the fingerprint lock's recognition and response speed to the correct fingerprint. If it is opened immediately with a finger, its response speed will be faster, otherwise it will be slower. The faster the response speed, the higher the resolution and the better the lock performance. Similarly, if true and false fingerprints can be quickly identified, then their accuracy is good, and vice versa. It is best to try multiple times during testing, as only by doing so can one better identify its strengths and weaknesses.

Secondly, test the magnetic card and password to unlock. The testing method for magnetic card unlocking and fingerprint unlocking is the same, which also tests their reaction speed and accuracy. Authorized and unauthorized magnetic cards are tested separately in the magnetic card area to observe the lock's reaction and recognition of the magnetic card. If the reaction speed is fast, the performance of the lock is good, and vice versa. Password opening is also a test of reaction speed and accuracy, and the testing method is also alternating between correct and incorrect methods. The faster the reaction speed, the higher the technical content, and the higher the accuracy, the higher the security.

（3） Look at the plug

When buying a fingerprint lock, besides looking at the lock body, the insert is also a very important part, which is often overlooked by consumers. There are three ways to look at the plug: first, look at the material of the plug, second, look at the locking point of the plug, and third, look at the function of the plug.

At first glance, the material of the plug is divided into three types, namely plastic, alloy, and stainless steel, just like the shell. Generally, the plug is not electroplated and can be easily identified by consumers. Due to the placement of the plug inside the door, many enterprises are relatively casual about the material of the plug. In the industry, stainless steel is generally used inside the plug, but the outer shell of the plug is made of alloy or plastic. This type of plug not only has weak resistance to violence, but also weak fire resistance, which is not conducive to safety. The Digier fingerprint lock is the only product in the industry with all inserts made of stainless steel, and its firmness and fire resistance are dozens of times higher than ordinary materials.

Second, check the locking point: In addition to checking the material, attention should also be paid to the locking point of the plug. The locking points of fingerprint lock inserts are mainly divided into two types: single tongue and multiple locking points. The safety of a single tongue lock core is inferior to that of a multi lock point lock, and its anti prying and explosion-proof performance is also poor. It is generally used more in developed countries abroad and regions such as Japan and South Korea, and is not suitable for the complex security environment in China. Therefore, it is recommended that domestic consumers have a clear view of the insert when choosing a fingerprint lock, and choose a multi lock point insert with explosion-proof and anti prying performance.

Three functions: Currently, the plug-in cores on the market are generally divided into hotel lock plug-in cores, upward lifting plug-in cores, large tongue automatic pop-up plug-in cores, and multi lock point self popping plug-in cores. The hotel lock core can be pried open with a card, which has poor safety performance; When using the pull-up plug, it is necessary to lift the handle up to lock the door when closing it, which can easily cause people to forget to lock and does not conform to consumer usage habits;

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