Purpose: Engine 601.942/943/970, 661, 662: RI adapter for engine test devices for dynamic start of deliver measurement of the injection pump according to the governor impulse method. Engine 601, 602.91/93/94/96, 603.91/93/96/97, 605, 606, 617.93/95: RI-adapter for engine test equipment for dynamic measurement of the beginning of delivery of the injection pump according to RIV in combination with 617 589 10 21 00 RIsensor and 601 589 04 21 00 TDC sensor, 616 589 00 21 00 TDC sensor. Test equipment category CAT_A.