产品特点性能可靠，经济实用，应用广泛。能够识别任何接触介质如手指（带手套或不带）、笔、***卡等的输入信号。引出线采用FPC(柔性线路板材料)比其它生产商使用的PET材料电阻值小，柔韧性好。线路绝缘点小，视觉效果佳，目前我们可做到***小的绝缘点是Φ0.035mm，远远***其它厂商。触摸屏表面有亮面、雾面、防眩、消光、防牛顿环等多种材料和工艺供选择。产品规格型号四线电阻式触摸屏电路等级5VDC，35mA表面硬度3H透光率薄膜对薄膜型>73%薄膜对玻璃型>83%单点寿命大于100万次笔划寿命大于10万次触点抖动时间<5ms操作温度-10℃~40℃分辨率4096*4096储存温度-20oC~+70oC线性<1.5%（特殊需求可<1.0%）玻璃厚度0.7mm，1.1mm，1.8mm，3.0mm操作压力10g-100g玻璃种类化学强化玻璃，普通玻璃.四线触摸屏工作原理四线电阻式触摸屏是电阻式家族中应用***广、***普及的一种。其结构由下线路（玻璃或薄膜材料）导电ITO层和上线路（薄膜材料）导电ITO层组成。中间有细微绝缘点隔开，当触摸屏表面无压力时，上下线路成开路状态。一旦有压力施加到触摸屏上，上下线路导通，控制器通过下线路导电ITO层在X坐标方向上施加驱动电压，通过上线路导电ITO层上的探针，侦测X方向上的电压，由此推算出触点的X坐标。通过控制器改变施加电压的方向，同理可测出触点的Y坐标，从而明确触点的位置。标准品尺寸机种编号规格外形尺寸(mm)可视区尺寸(mm)驱动区尺寸(mm)MP-028-IN-W4R2.8"内置70.000x55.0059.600x46.1058.000x44.00MP-038-IN-W4R3.8"内置89.400x69.4080.900x60.9879.900x59.98MP-042-IN-W4R4.2"内置94.800x69.6088.800x61.6086.800x59.60MP-047-IN-W4R4.7"内置110.74x89.41101.09x76.9698.090x73.96MP-058-IN-W4R5.8"内置138.00x108.00118.00x89.00116.00x87.00MP-058-IN-W4R-B5.8"内置138.00x108.00118.00x89.00116.00x87.00MP-058-IN-W4R-C5.8"内置141.00x104.70122.00x93.85115.17x86.37MP-065-IN-W4R6.5"内置156.00x120.00136.00x100.00134.00x98.00MP-074-IN-W4R7.4"内置171.90x127.40148.90x112.40145.90x109.40MP-084-IN-W4R8.4"内置208.00x152.00176.00x133.00171.00x128.00MP-084-IN-W4R-B8.4"内置188.98x141.73173.98x131.32172.21x129.54MP-094-IN-W4R9.4"内置234.00x174.00211.00x158.00196.00x148.00MP-104-IN-W4R10.4"内置237.00x180.00216.20x163.40212.00x159.40MP-121-IN-W4R12.1"内置271.00x205.00253.00x191.00248.00x186.00MP-150-IN-W4R15"内置330.00x255.00310.00x235.00303.00x227.00MP-150-IN-W4R-B15"内置320.00x243.00300.00x228.00285.00x216.00MP-170-IN-W4R-C17"内置362.00x278.00340.00x260.00320.00x238.00MP-170-IN-W4R-F17"内置366.00x294.50342.00x274.50334.00x266.50MP-170-IN-W4R-G17"内置358.50x296.50341.90x274.40337.92x270.34MP-181-IN-W4R18.1"内置388.00x313.00363.00x291.00357.00x285.00MP-190-IN-W4R19"内置395.00x300.00375.00x284.60360.00x269.60MP-210-IN-W4R21"内置438.00x331.00416.60x315.00402.60x301.60)