... the corresponding value of filter paper-type smoke SFHigh-brightness digital display;Use of "air curtain" technology to protect the optical ... of automatic diagnosis unit;Equipped with built-in printer (or digital RS-232A interface or analog interface)In line with ISO11614 ... .01m-1 ,RPM:10rpm, OIL TEMP:0.1°COutput mode: digital direct reading, can be attached to the printer to print ...