Place of Origin : Shang Hai,China

Features:
? 3 inch color screen with friendly GUI.
? The unique high-precision filter system makes the instrument more stable and accurate.
? Direct reading of concentration, automatic power-off.
With built-in standard curve. Users can setup curves according to different measurement requirements. Support up to 7-point calibration. Support calibration restoring function to restore factory calibration data.
With large-capacity storage function, can store 5000 sets of test data.
Rechargable