臺灣標準電機SEW儀器儀表--ST-1505 Earth Resistance Testers 3 Wire Analog
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                                                  ST-1505   Earth Resistance Testers
                                                    
                                                    
                                                    
          3 Wire (Analog)
                                                     
                                                              
                                                            		
                                                
          
                                                
          
                                                  ST-1505
                                                
          
                                              
          
                                                      		
                                            
                                              
          
                                                
                                                
          
                                                  
                                                     FEATURES
                                                
          
                                                
          
                                                   
                                                
          
                                                
                                                
                                                
          
                                                   High quality Taut Band movement.
                                                
          
                                                
                                                
                                                
          
                                                   Capable of measuring earth voltage (Vac).
                                                
          
                                                
                                                
                                                
          
                                                   The timer operates automatically for about three to five minutes when the "PUSH BUTTON SWITCH" and "TIMER ON BUTTON" are pressed together. This will keep test "ON" for the duration of the timer.
                                                
          
                                                
                                                
                                                
          
                                                   Battery life indication.
                                                
          
                                                
                                                
                                                
          
                                                   Battery replacement can be easily made without removing the caring case.
                                                
          
                                                
                                                
                                                
          
                                                    CAT II 30V.
                                                
          
                                                
                                                
                                                
          
                                                   Calibration performed with supplied test leads.
                                                
          
                                                
                                                
                                                
                                                
                                                
                                              
          
                                                      		
                                          
          
                                          
          
                                            
                                              
          
                                                
                                              
          
                                                      		
                                          
          

                                          
          
                                            
                                              
          
                                                
                                                
          
                                                   SPECIFICATIONS
                                                  
                                                
          
                                                
          
                                                   
                                                
          
                                                
                                                
                                                
          
                                                  Measuring Ranges
                                                  Earth Resistance : 0-100 Ohm/0-100 Ohm/0-1000 Ohm
                                                
          
                                                
                                                
                                                
          
                                                   
                                                  Earth Voltage : 0-30V AC (40-500Hz)
                                                
          
                                                
                                                
                                                
          
                                                  Accuracy
                                                  Earth Resistance : +/- 3% of full scale
                                                
          
                                                
                                                
                                                
          
                                                   
                                                  Earth Voltage : +/- 2.5% of full scale
                                                
          
                                                
                                                
                                                
          
                                                  Measuring System
                                                  Earth resistance by constant current inverter (Square Signal) 820 Hz approx. 2mA
                                                
          
                                                
                                                
                                                
          
                                                  Power Source
                                                  1.5V  (SUM-3) x 6 Type AA
                                                
          
                                                
                                                
                                                
          
                                                  Dimensions
                                                  163(L) x 100(W) x 50(D) mm
                                                
          
                                                
                                                
                                                
          
                                                  Weight
                                                  Approx. 460g (battery included)
                                                
          
                                                
                                                
                                                
          
                                                  Accessories
                                                  Test leads (AL-36: red-15m, yellow-10m, green-5m)
                                                
          
                                                
                                                
                                                
          
                                                   
                                                  Auxiliary earth bars (TEL-1505)
                                                
          
                                                
                                                
                                                
          
                                                   
                                                  Heavy-duty case (TOC-1505)
                                                
          
                                                
                                                
                                                
          
                                                   
                                                  Instruction manual
                                                
          
                                                
                                                
                                                
          
                                                   
                                                  Batteries
                                                
                                                 
                                          
                                        
          
                                                		
                                    
          
                                  
          

          
  
          
    特 點
  
          
  
          
    ● 吊線式高品質(zhì)防震表頭。
          
      ● 可供量測接地電阻(Ω)和接地電壓(ACV)。
          
      ●   在量測接地電阻時，同時壓下"PUSH ON"和"TIMER
          
      ON"可作長時間量測，約經(jīng)5分鐘，會自動關機。
          
      ● 使用電池操作。
          
      ●   電池電量指示。
          
      ● 可作接線狀況檢查。
          
      ● 符合 CAT II 30V。          		
  
          
  
          
    
          
      
          		
  
          
  
          
     規(guī) 格   (23°C±5°C ＜80%R.H.)
  
          
  
          
    
      
          
        
          
          
            
          
              
                
                
                
                  
          
                    檔位測試
                     接地電阻 : 0-10Ω/0-100Ω/0-1000Ω
          
                      接地電壓 : 30V AC(40-500Hz)          		
                  
          
                  
          
                       準確度
                     接地電阻 : ±3%滿刻度
          
                      接地電壓 : ±2.5%滿刻度          		
                  
          
                  
          
                    量測系統(tǒng)
                    820±15Hz 2mA定電流
                  
          
                  
          
                    外形尺寸
                    163(長)×100(寬)×50(高)mm
                  
          
                  
          
                       重量
                    約460克(含電池)
                  
          
                  
          
                    使用電池
                    1.5V(AA)×6(顆)