The counting and dosing complex SDK-01 is designed to measure the volume and commercial supply of a given dose of petroleum products during pumping, unloading, and loading. The complex includes: an electric pump unit, a filter, a meter, a grounding device for tankers, a two-stage electromagnetic regulating valve, a level sensor, a start-stop button, a control cabinet, and a remote control. Additional equipment: check valve, device for top loading of oil products into ASN-100A tank trucks. The first and last 100 liters are dispensed in low flow mode. The filling is automatically stopped when the set dose is dispensed or when the maximum level of the product in the tank is reached.