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LTC2984 Sensor Calibrate



		

			

									
					    JackH
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Mar 30, 2021 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    Dear All:
    

    We use LTC2984 demo board P/NDC2420A-KIT to test K-type & PT100 performance ,but found K-Type sensor data error it's need re-calibrate in LTC2984 system?? have any suggestion provide to me? thanks
    

    CH3: K-type .CH9:PT100
    

     
    

    

    Best
    

    Jack
    
								
    

				
				
		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    


	
    
		






		

			
    
			
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      •  Analog Employees  
      
				
						
						                        
                                                
                        
                                                	 Mar 31, 2021 
						
										
						
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      Hi , 
      

           I moved your question to the Temperature Sensors section. 
      

           The accuracy of the K-type thermocouple depends on it's cold junction compensation sensor. What are you using for the CJ sensor?…
      
				
			
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      •  Analog Employees  
      
            
			                            
                        
                on Mar 31, 2021 2:28 AM
            
            
					
      
	
      

		
		
      
					
      Hi , 
      

           I moved your question to the Temperature Sensors section. 
      

           The accuracy of the K-type thermocouple depends on it's cold junction compensation sensor. What are you using for the CJ sensor? 
      

           Another thing to keep in mind when comparing sensors of different types is the thermal time constants for each sensor. If the thermocouple is a bare-wire type, it will respond much faster than a PT100. How are you controlling the sensor temperature? 
      

      -Logan
      
			
      

		
		
		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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