MINI-BEAM: Diffuse. Range: 380 mm; Input: 10-30 V dc. Output: Bipolar: 1 NPN; 1 PNP. Euro M12 4-pin Integral QD. Part Number: 26834. Banner Banner Engineering SM312DQD 26834 Mini-Beam Sensor, Diffuse Range 380 mm, Input 10-30 V dc, Output Bipolar 1 NPN 1 PNP, Euro M12 4-pin Integral QD. Banner. Banner Engineering. SM312DQD.