儀器概述：                                                 

不同的氣體組份具有不同的導(dǎo)熱率，因此可以通過混合氣體導(dǎo)熱率的測量而獲得被測氣體組份的濃度。RL-R200型熱導(dǎo)式傳感器基于此原理設(shè)計而成，用于分析氫氣、氬氣、氦氣等氣體的濃度。

 測量量程：                                                 

 產(chǎn)品基本參數(shù)：                                                 

  測量原理：微流熱導(dǎo)式（擴(kuò)散式）                                                            

  測量范圍：0%~10%;0%~50%;0%~100%（量程可任意選擇）                                           

  精    度：≤±2%FS                                                           

  分 辨 率：0.01/0.1%(根據(jù)量程而定)                                                                             

  重 復(fù) 性：≤±1%FS                                                                 

  穩(wěn) 定 性：零點漂移≤±1％F.S/7d                                                    

            量程漂移≤±1％F.S/7d                                                

  線 性 度：≤±1.5%F.S                                                            

 響應(yīng)時間：τ90≤10秒                                                           

  預(yù)熱時間：≤10min                                                              

 電器參數(shù)：                                                  

  工作電壓：DC12V                                                                       

  整機功耗： 10W                                                                   

  數(shù)字信號： RS-485; TTL通訊                                                                        

  模擬輸出： 4-20mA                                                                             

 機械參數(shù)：                                                     

  安裝方式：  固定式                                                                              

  外形尺寸：  89cm(高)×97(寬)                                                                       

  進(jìn)出氣口：  φ6軟管                                                                                   

  整機重量：  266g                                                                          

 環(huán)境參數(shù)：                                                    

  環(huán)境溫度：-5℃~+45℃                                                                                

  環(huán)境濕度： ≤90%RH                                                                           

  入口壓力：0.05MPa≤入口壓力≤0.25MPa                                                                                

  樣氣流量： 400+10ml/ min                                                                                  

  樣氣要求：無塵、無水、無油                                                                     

 CO2檢測模塊儀器特點：                                                  

l 抗腐蝕性，允許樣氣中含有適當(dāng)濃度的腐蝕性氣體（如硫化物）。

l 低漂移熱導(dǎo)電橋的創(chuàng)新設(shè)計，保障了高穩(wěn)定性。

l 模塊體積小，便于安裝。

 CO2檢測模塊應(yīng)用領(lǐng)域：                                                                  

l 化肥合成氨流程中氫濃度的分析。

l 熱電廠及核電站氫濃度的監(jiān)測。

l 實驗室燃燒試驗的氣體含量測定。

l 鋼廠高爐煤氣分析。

l CO2培養(yǎng)箱、科研等單位。