... output of the transducer reaches to the highest, because of the thermorelay on the electric plate.3. Charateristics"YAW-2000 electro-hydraulic ... than the max. test force of every level, or the output of the transducer reaches to the highest, because of the ... a certain fit clearance.6.2 control cabinet, oil pump, high precision electro-hydraulic digital servo valve, oil source, filling and return valve ...