Specifications
Menu functions 
52 
9.5.1.  CONTROL – Control INTERNAL / EXTERNAL 
 Pt100 
 Switchover can only be effected if a Pt100 external sensor is 
connected. 
Factory setting: INT 
IMPORTANT: Additional measures for external temperature control 
 Suggested settings for external temperature control: 
BAND HIGH / LOW and INTERN MAX / MIN 
see chapter >MENU LIMITS<. 
 Sensor calibration of the Pt100 external sensor is carried out in the 
menu >ADJUST<, submenu >ATC SENOR - EXT<; set ATC 
STATUS< to >OFF<  
(See page 57). 
Attention: 
Place the external sensor into the temperature-controlled medium and securely fix the 
sensor. 
Pt100  M+R 
Accessory:  Pt100 external sensor 
Order No.   Description  Material  Cable  
8981003  200x6 mm Ø,  stainless steel  1.5 m  
8981005  200x6 mm Ø,  glass  1.5 m  
8981006  20x2 mm Ø,  stainless steel  1.5 m  
8981010  300x6 mm Ø,  stainless steel  1.5 m  
8981015  300x6 mm Ø,  stainless steel / PTFE coated  3 m 
8981013  600x6 mm Ø,  stainless steel / PTFE coated  3 m  
8981016  900x6 mm Ø,  stainless steel / PTFE coated  3 m 
8981014  1200x6 mm Ø,  stainless steel / PTFE coated  3 m  
8981103 Extension cable for Pt100 sensor  3.5 m 
8981020  M+R in-line Pt100 sensor 
The M+R in-line Pt100 sensor is a flow sensor and can be installed loop 
circuit 










