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Model 1: 500mm economical 5K
Model 2: 500mm economy 5VDC 0-5V
Model 3: 500mm economic model 24V 0-10V
Model 4: 500mm economic model 24V 4-20mA
Model 5: 500mm economy 12V 0-5v
Model 6: 500mm economic model, anti-jamming 0-10V
Model 7: 500mm economic model, anti-interference 4-20mA
Model 8: 500mm economical npn open collector
Model 9: 500mm economical push-pull
Model 10: 500mm economic model with instrument
Model 11: 500mm precision 5K
Model 12: 500mm precision 5VDC 0-5V
Model 13: 500mm precision 24V 0-10V
Model 14: 500mm precision 24V 4-20mA
Model 15: 500mm precision 12V 0-5v
Model 16: 500mm precision level 0-10V
Model 17: 500mm precision level 4-20mA
Model 18: 500mm precision npn open collector
Model 19: 500mm precision push-pull
Model 20: 500mm precision graded instrument