HHO Ammeter LED

Ultra-bright LED display
Blue, Green display available
Polarity: Automatic Sensing
Automatic Calibration upon zero reading for 0V input
High accuracy and low cost
Easy to install
Re-calibrated by adjusting the calibration potentiometer
Ideal for auto, boat, industrial, commercial & domestic uses
Decimal Point Position can be selected by the user

OPERATION SPECIFICATIONS:
Power Source                       DC12V
Maximum Count                  1999 (4 digits)
Operating Temperature         0 to 55?
Storage Temperature             -10 to 80?
Relative humidity                  20%~80%
Weight                                  30-35g
Dimension                            W48mm x H26mm x D22mm
Panel Cutout                         48mm×23mm
Sample Frequency                400ms