... at will. 3.high-brightness,easy to operate Digital Oil Pressure gauge 0~3Mpa for ships.Model No ... temperature: - 40 ~ 60°c;.2.display device: LED digital tube of high brightness.3. proof voltage; resistant to ... big ships.Features:(1)Adopt superior and fully digital optoelectronic martials, using imported SCM as the core, ... : as for this series, we also have:(1)Voltmeter:0~450V;(2)Ammeter:0~50A,0~150A,0 ...