... servo valve, control signals photoelectric isolation, 24V DC safe and reliable. • Data acquisition system consists of or channels ... machineReal photo 2 Automatic hydraulic testing machineReal photo 3 Packing of Automatic hydraulic testing machine Real photo ... Test Accessories,Hydraulic Pressure Sensor, Control Card, Servo Valve, Extension meter, EncoderPC, Printer, Pipe, and install tools.Optional ...