Long focal length optical system, 2 nm optical resolution; High performance linear CCD sensor 3648 points;
Automatic zero and zero compensation technology, boot no manual zero;
Electronic shutter technology, the minimum integration time 50 us, measurable stronger light signal;
Quick switch machine, a key test, the use of more convenient; Bring 4000mAh large-capacity lithium battery, 24 hour long test time;
Illumination and radiation measurement.