訂貨須知
•明確產品功能
•確定產品型號
•聲明輸入範圍
•核定輸出性質
•落實定貨數量
技術數據
輸入                                                                                                                                                                                                  
直流電流(MDFG-1101)  0…1mA/100mA(例:0…10mA 4…20mA 0…20mA)
輸入阻抗  ＜70Ω
最大過壓  250V
最大過流  Imax+60mA,Imax=輸入滿度值
零點調整範圍  0±5%
量程調整範圍  100±5%
直流電壓(MDFG-1102)                               0…20mV/300V (例:0…40mV 0…10V 0…200V)                                                                                                                                           
輸入阻抗                          電壓輸入＞1V時，≥0.5MΩ；電壓輸入≤1V時，≥200MΩ                                                                                                                                                        
最大過壓                               電壓輸入＞1V時，500V；電壓輸入≤1V時，250V                                                                                                                                           
零點調整範圍                          0±5%                                                                                                                                                        
量程調整範圍                          100±5%                                                                                                                                                  
交流電流(MDFG-1103)  0…5mA/100mA(例:0…10mA  0…100mA)
輸入阻抗  ＜70Ω
最大過壓  250V
最大過流  Imax+60mA,Imax=輸入滿度值
零點調整範圍  0±5%
量程調整範圍  100±5%
交流電壓(MDFG-1104)                               0…10V/220V (例: 0…10V 0…200V)                                                                                                                                           
輸入阻抗                          ≥0.5MΩ                                                                                                                                                       
最大過壓                               300V                                                                                                                                          
零點調整範圍                          0±5%                                                                                                                                                        
量程調整範圍                          100±5%                                                                                                                                                  
線性電阻(MDFG-1105)     0…10Ω/200KΩ(例:0…150Ω 0…10KΩ)                                                                                                                                          
輸入阻抗                          ≥1MΩ                                                                                                                                                        
零點調整範圍                          0±5%                                                                                                                                                        
量程調整範圍                          100±5% 輸入電阻≥3KΩ時                                                                                                                                               
   100±98% 輸入電阻＜3KΩ時，即可任意調整                                                                                                         
三端電位器(MDFG-1105S)                                     輸入接線端為(21)(22)(23)，（22）接滑線端。其它同上。                                                                                                                                          
輸出                                                                                                                                                                                                    
電流輸出  4-20mAdc（0-20mAdc及其它特殊輸出，定貨時請聲明）,最大負載＜750Ω(特殊定貨＜1KΩ）。
電壓輸出  1-5Vdc（0-20mAdc時為0-5Vdc）為在電流輸出迴路內串入250Ω所得，作為輔助輸出，與電流輸出不隔離。
最大過壓  250V
20℃時的精度  ＜±0.1%
穩定性  ＜量程±0.01%/℃
狀態指示                                                                                                                                                                                                    
電源LED  紅色，電源開
開關  使用細小螺絲刀插入，可控制內藏行程開關，通/斷儀表電源。
一般特性                                                                                                                                                                                                     
供電電壓  24Vdc±10%，2W。為方便現場連接，儀表在其上下各提供一對電源接線端，實際使用時任選其一接入即可。
最大過壓  250V
電流消耗  ＜80mA
工作環境  0-50℃
隔離電壓  輸入、輸出及供電電壓之間，1000Vdc
安裝  外殼（寬×高×深）=21×82×106mm，安裝在U形35mm（推薦使用）或G形導軌上，具體安裝尺寸見下圖。
連接方式  螺釘連接，0.5-2.5mm²
自動保護功能  當各接線端接入超標準信號時，儀表自動保護功能啟動，內部斷開接入的超標準信號。待超標準信號解除后，須將該端與外界斷開冷卻20分鐘后，方可重新投入使用。
標識  中文(可提供英文標識)
密集安裝時模塊之間留下間隙，工作環境溫度可高至70℃。儀表運行時，上下方不應有覆蓋物。

 

導軌、安裝
 
推薦使用常見的U形35mm導軌。