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光离子PID气体检测仪具有很高的灵敏度,它可以测量ppb水平的VOC,具有快速响应和快速响应时间。它可以测量大多数VOC和TVOC气体。热传导气体检测仪是一种新型测可燃气体的检测原理,它主要是通过测量混合气体热导率的变化量来实现分析被测气体的浓度大小。通常热传导气体传感器导热系数的差异通过电路转化为电阻的变化,传统的检测方法是将待测气体送入气室,气室的中心是热敏元件,如热敏电阻、铂丝或钨丝,加热到一定温度,把混合气体热导率的变化转化为热敏元件电阻的变化,电阻值的变化时比较容易测量出来的。当待检测气体的热导率高时,热量将更容易从热敏元件中消散,并且其电阻将减小;可通过对热敏元件电阻的测量便可得知混合气体热导率的变化量,从而可分析出被测气体的浓度大小。C79451-A3478-D509C79451-A3478-D510C79451-A3478-D511C79451-A3478-S501C79451-A3478-S502C79451-A3478-S503C79451-A3478-S504C79451-A3478-S505C79451-A3480-B1C79451-A3480-B2C79451-A3480-B25C79451-A3480-B32C79451-A3480-B33C79451-A3480-B5C79451-A3480-C10C79451-A3480-C37C79451-A3480-D33C79451-A3480-D501C79451-A3480-D502C79451-A3480-D503C79451-A3480-D504C79451-A3480-D505C79451-A3480-D511C79451-A3480-D512C79451-A3480-D518C79451-A3480-D519C79451-A3480-S501C79451-A3480-S502C79451-A3480-S503C79451-A3480-S504C79451-A3480-S505C79451-A3492-B605C79451-A3494-B10C79451-A3494-B11C79451-A3494-B124C79451-A3494-B16C79451-A3494-B33C79451-A3494-B8C79451-A3494-C12C79451-A3494-C13C79451-A3494-D12C79451-A3494-D501C79451-A3494-S501C79451-A3520-B1C79451-A3520-B2C79451-A3520-C5C79451-A3520-D511C79451-A3526-D60C79451-A3526-D61C79451-A3530-B107C79451-Z1030-U2C79451-Z1448-U12C79451-Z1589-U17MB2111-OAU20-1BA17MB2338-0AK10-3NW17MB2111-OCK20-1BA17MB2011-1CB00-0BB17MB2023-0CA60-1CB17MB2335-1AM00-3AA17MB2338-0AB00-3NL17MB2337-0NG10-3PH17MB2337-0NJ10-3PJ17MB2335-0AD00-3AA17MB2021-1CA20-1BB17MB2521-1AA01-1AA17MB2338-1AA10-3NH17MB2021-ICA20-1BB17MB2338-0AB00-3NH17MB2335-1NH00-3AA17MB2335-1MH00-3AA17MB2521-OCBOO-1AA17MB2335-1AH00-3AA17MB2337-2AP00-3CP17MB2337-0NG10-3PG17MB2337-0NH00-3PH17MB2338-0AK10-3NG17MB2335-0NH10-3AA17MB2338-0AA00-3NH17MB2335-0NJ00-3AA17MB2335-0NJ10-3AA17MB2338-0BA10-3DN07MB2335-0PH10-3AA17MB2521-0AY00-1AA07MB2121-1NR00-1AA17MB2521-0AY00-1AA17MB2338-0BA10-3DN17MB2011-1CB00-0BB1-Z D027MB2338-0BA00-3DM17MB2337-0AG00-3CP17MB2024-0AA67-1BG17MB2521-0AX07-1AA17MB2123-0CB00-1BE17MB2121-0CB00-1AA17MB2338-1AK10-3NW17MB2338-1AK10-3NJ17MB2023-0CA00-1NS17MB2338-0AC00-3NH17MB2335-0NH00-3AA17MB2335-0PG00-3AA17MB2337-4PG00-3PG17MB2337-0NH10-3PH17MB2337-2AF10-3PH17MB2121-1CA00-1AA17MB2335-0PJ00-3AA17MB2337-8AP00-3CP1 ZC017MB2337-0AQ00-3CQ17MB2011-1CA00-1AA17MB2337-ONH10-3PH17MB2521-0AX00-1AB1-Z=A317MB2001-0EA00-1AA17MB2335-0MJ00-3AA17MB2521-0AB00-1AA17MB2024-0AA60-1CB1-Z=A26-A317MB2335-0AE00-3AA17MB2337-0NH10-3PH1-Z=A327MB2521-0AA00-1AA17MB2111-0DF06-3AA17MB2335-0ND00-3AA17MB2335-0ND10-3AA17MB2335-0NE00-3AA17MB2335-0NE10-3AA17MB2335-0NF00-3AA17MB2335-0NF10-3AA17MB2335-0NG00-3AA17MB2335-0NG10-3AA17MB2335-0NH00-3AA17MB2335-0NH10-3AA17MB2335-0NJ00-3AA17MB2335-0NJ10-3AA17MB2335-0NK00-3AA17MB2335-0NK10-3AA17MB2335-0NL00-3AA17MB2335-0NL10-3AA17MB2335-0NM00-3AA17MB2335-0NM10-3AA17MB2335-0NN00-3AA17MB2335-0NN10-3AA17MB2335-0NP00-3AA17MB2335-0NP10-3AA17MB2335-0NQ00-3AA17MB2335-0NQ10-3AA1
光学波导气体检测仪技术原理,它是通过玻璃光波导面固定对某一种被测气体有选择性响应的敏感试剂,来制作的薄膜光波导气体传感器。首先利用离子交换法可以制备出折射率平稳变化的光波导,然后通过玻璃基板表面附近结合比较弱的或可移动的离子与玻璃表面的半径较小离子进行交换,可以形成折射率略高于基板的导波。接着将筛选具有一定选择性的敏感材料,通过旋转甩涂法或者提拉法固定在玻璃光波导表面,制作薄膜玻璃光波导传感元件,将薄膜玻璃光波导传感元件安装在光波导检测系统中对气体进行检测,当敏感层与被测气体相互按触时,气敏改变敏感薄膜的光学参数,进而引起临近波传播模式的改变,导致输出光强度的变化。最终光学波导气体检测仪的输出光强度变化程度,与被测气体浓度有关,因此,检测输出光强度的变化就可以获得被测气体浓度的有关信息。7MB2111-1PE80-0BA17MB2111-1PC80-0BA17MB2521-1AA00-0AA17MB2111-0CA00-1AA17MB2121-0CA00-1AA17MB2335-0AD10-3AA17MB2335-0CD10-3AA17MB2335-0DD10-3AA17MB2335-0FD10-3AA17MB2335-0MD10-3AA17MB2335-0ND10-3AA17MB2335-0SD10-3AA17MB2024-0AA60-1CB17MB2335-0PD10-3AA17MB2335-0UD10-3AA17MB2521-0CB00-1AA17MB2337-0AR00-3CR17MB2335-0AR00-3AA17MB2511-0AA00-1AA17MB2121-0EV00-1AA17MB2121-0DW00-1AA17MB2124-0BA00-1WX17MB2337-1NH00-3PW17MB2335-0PH00-3AA17MB2335-0AL00-3AA17MB2335-0AN00-3AA17MB2335-0AG10-3AA17MB2335-0AH10-3AA17MB2335-0AJ10-3AA17MB2335-0AK00-3AA17MB2335-0AM00-3AA17MB2335-0AP00-3AA17MB2335-0AQ00-3AA17MB2335-0AR00-3AA17MB2335-0CD00-3AA17MB2335-0CE00-3AA17MB2335-0CF00-3AA17MB2335-0CG00-3AA17MB2335-0CH00-3AA17MB2335-0CJ00-3AA17MB2335-0CK00-3AA17MB2335-0CL00-3AA17MB2335-0CM00-3AA17MB2335-0CN00-3AA17MB2335-0CP00-3AA17MB2335-0CQ00-3AA17MB2335-0CR00-3AA17MB2335-0DD00-3AA17MB2335-0DE00-3AA17MB2335-0DF00-3AA17MB2335-0DG00-3AA17MB2335-0DH00-3AA17MB2335-0DJ00-3AA17MB2335-0DK00-3AA17MB2335-0DL00-3AA17MB2335-0DM00-3AA17MB2335-0DN00-3AA17MB2335-0DP00-3AA17MB2335-0DQ00-3AA17MB2335-0DR00-3AA17MB2335-0ND00-3AA17MB2335-0NE00-3AA17MB2335-0NF00-3AA17MB2335-0NG00-3AA17MB2335-0NH00-3AA17MB2335-0NJ00-3AA17MB2335-0NK00-3AA17MB2335-0NL00-3AA17MB2335-0NM00-3AA17MB2335-0NN00-3AA17MB2335-0NP00-3AA17MB2335-0NQ00-3AA17MB2335-0NR00-3AA17MB2335-0SD00-3AA17MB2335-0SE00-3AA17MB2335-0SF00-3AA17MB2335-0SG00-3AA17MB2335-0SH00-3AA17MB2335-0SJ00-3AA17MB2335-0SK00-3AA17MB2335-0ND00-3AA17MB2335-0ND10-3AA17MB2335-0NE00-3AA17MB2335-0NE10-3AA17MB2335-0NF00-3AA17MB2335-0NF10-3AA17MB2335-0NG00-3AA17MB2335-0NG10-3AA17MB2335-0NH00-3AA17MB2335-0NH10-3AA17MB2335-0NJ00-3AA17MB2335-0NJ10-3AA17MB2335-0NK00-3AA17MB2335-0NK10-3AA17MB2335-0NL00-3AA17MB2335-0NL10-3AA17MB2335-0NM00-3AA17MB2335-0NM10-3AA17MB2335-0NN00-3AA17MB2335-0NN10-3AA17MB2335-0NP00-3AA17MB2335-0NP10-3AA17MB2335-0NQ00-3AA17MB2335-0NQ10-3AA17MB2338-0AC00-3NH17MB2335-0NH00-3AA17MB2335-0PG00-3AA17MB2337-4PG00-3PG17MB2337-0NH10-3PH17MB2337-2AF10-3PH17MB2121-1CA00-1AA17MB2335-0PJ00-3AA17MB2337-8AP00-3CP1 ZC017MB2337-0AQ00-3CQ17MB2011-1CA00-1AA17MB2001-0EA00-1AA17MB2335-0MJ00-3AA17MB2521-0AB00-1AA17MB2335-0AE00-3AA17MB2111-0DF06-3AA1