User Manual

Re-zero
Stores the present reading of
both channels and subtracts
them from subsequent
readings. Useful for seeing
changes from a baseline.
Does not affect AC
measurements.
Logging Enable
Tap to enable logging.
With logging enabled, if an
SD card is installed, samples
will be saved to it when the
phone is disconnected.
Sampling Control
Sampling Rate
The frequency at which the
ADC pulls samples.
The green button enables
manual control.
Sample Buffer Depth
The number of samples the
meter takes to perform DC and
AC calculations
The green button enables
manual control.
Note that AC calculations are
inaccurate at buffer depths below
128.