Operation instructions – Harbor Freight Tools ELECTRONIC BORE GAUGE 94873 User Manual
Page 4
Page 4
SKU 94873
for technical questions, please call 1-800-444-3353.
opEration instructions
unit
abs/sEt
ZEro/on
ran
tol
Press the ZERO/ON Button to turn on the Electronic Bore Gauge. When turning
1.
off, hold the ZERO/ON Button down until the tool shuts down.
Select INCH or METRIC modes by pressing the UNIT Button.
2.
Use the ABS/SET button to set a specific measurement.
3.
The RAN button will measure the minimum range of the bore being measured.
4.
The TOL button will yield the tolerance range of the bore being measured.
5.
calibration using a Micrometer, and Measuring a bore:
1.
Set the outside micrometer (not included) to the exact dimension to be measured.
Tighten the Lock Nut located on the
micrometer.
Place the Electronic Bore Gauge
2.
measuring contacts across the micrometer
(not included).
(see figure 3)
Tap the RAN Button twice. Sweep the
3.
Electronic Bore Gauge back and forth in
the micrometer (not included) to set the
minimum data.
(see figure 3)
Remove the Electronic Bore Gauge and
4.
note the minimum data on the display.
Tap the RAN Button twice to zero the
5.
indicator.
please note:
Micrometer sold
separately; it is
not included with
Electronic Bore
Gauge.
figure 3