User Manual
User Manual DPM-816 PRO Page 26
When measuring on certain
substrates, the thickness
reading wrong.
The current calibration preset
is unsuitable for the current
substrate.
Complete a two-point
calibration.
When the device is placed
against the measured surface,
the measurement does not
occur.
Incorrect device positioning
relative to the measured
surface.
The device must be firmly
pressed against the measured
surface and remain fixed until
the sound signal is emitted.
When measuring on convex or
concave surfaces, the readings
have a large error.
Unable to firmly press the
device against the surface
and hold it perpendicular to
the surface.
Use the F(Fe) and N(nFe)
modes with continuous
measurement.
Warranty
The manufacturer guarantees gratuitous elimination of device
defects, arising from the fault of the manufacturer during the
warranty period, subject to all warranty conditions and storage
and operating conditions. The devices are not subject to warranty
repair if: the warranty stickers are damaged, traces of corrosion or
tampering (self-repair) are present, presence of dirt, insects and
objects that are not part of this product; in the absence of a
warranty card or receipt confirming the date and place of
purchase of the device, with the obligatory indication of the name
of the seller and the serial number of the device (the warranty
period is counted from the date of purchase); in case of mismatch
of the serial number in the warranty card (receipt) and on the
device; in the presence of mechanical, electrical (smoke, traces of
a short circuit, flooding) or other damage arising from violations of
the operating and transportation conditions, or natural wear.
Warranty repair and maintenance is carried out through an
authorized dealer that sells it.