?  7 inch high-resolution touch screen with friendly GUI.

?  The unique high-precision filter system makes the instrument more stable and accurate.

?  No blank calibration, automatic measurement, direct reading of concentration.

?  With built-in standard curve. Users can setup curves according to different measurement requirements.

?  Support zero point and up to 9-point calibration. Support calibration restoring function to restore factory calibration data.

?  With large-capacity storage function, can store 5000 sets of test data.

?  Built-in thermal printer can print current data and stored data.