DTD-02 glass liquid glass thermometer reading device is to detect a liquid thermometer reading device, using CCD technology, the thermometer engraved lines displayed on the monitor, allows the reticle zoom twenty times, but can also be used for other image Enlarge observation. ? Technical indicators reading clearly and accurately; imaging modalities is positive imaging, greatly reducing the testing personnel due to the observed long time cause eyestrain, avoid gross errors. ? Observing large field of view, by one or more persons at the same time observing? Magnification of up to twenty times? Adjusting the orientation sensitive? Instead of using 30 years of reading telescope