SCHMIDT Technology
  Description Article-Number
Basic sensor SCHMIDT® Flow Sensor SS 20.515 551 550 - A B C D 1 1 G H 1
  Options
Mechanical type Sensor length 270 x 300 mm   1                
Sensor length 300 mm (straight)   2                
special length (only straight:) ___________ mm
(>300 … 1,000 mm; 10 mm-steps)
  9                
Protection design Without protective coating     1              
With protective coating     2              
Mechanical fastening Threaded bushing M25 with lock nut       1            
Threaded bushing M25 with thread adapter M25 x 1,5 on PG21       2            
Threaded bushing M25 with shaft nut       3            
Welding bush       4            
Flange bush       5            
Without fixing material       6            
Measuring ranges Measuring range 0 … 1 m/s         1          
Measuring range 0 … 1 m/s, unidirectional, with option LED indication of threshold monitoring (0.45 m/s ±20 %)         4          
Measuring range 0 … 2,5 m/s         2          
Measuring range 0 … 10 m/s         3          
Measuring direction Unidirectional           1        
Direction representation Unidirectional             1      
Output signals 0 … 10 V               1    
4 … 20 mA               2    
Adjustment accuracy and calibration Standard adjustment without certificate                 1  
Standard adjustment unidirectional with certificate                 4  
High precision adjustment incl. ISO calibration certificate                 2  
Sensor programming Factory setting                   1