User Manual
v.1.1
JEFCALD150
DIGITAL
VERNIER
CALIPER
0-150mm
metric & imperial
stainless steel
FEATURES
2
3
4
5
6
7
10
1
11
12
LCD Digital Display
Imperial Scale
Metric Scale
Beam
Depth Measuring
Blade
Zero Reset
Conversion
Button
Slider Clamp
Screw
Current
Scale
Outside
Inside
Step
Measuring
1. EQUIPMENT OVERVIEW
8
9
2. OPERATION GUIDE
1.Basic measuring
Loosen the locking screw.
Then select the unit
system needed by pressing
Inch/Metric button.
Apply normal measuring
pressure on the slider to close
the external measuring jaws.
Then press “zero” button to
reset the display to zero.
See diagrams below
(
Fig 1, Fig 2, Fig 3):
2. Maintenance
Clean the caliper bar with
dry cotton fabrics before
use. Clean or dry dirty / wet
measuring surfaces. Keep the
caliper clean and dry (Liquid
can damage the slider).
Faces should be cleaned
gently with cotton fabrics.
Never use petrol, acetone
or other organic solutions.
Never apply any electric
pressure on any part of
the caliper and never use
an electric pen as this can
damage the electrical chip.
3.Battery
If the digits in the LCD Display
start to flash it means the
battery is flat or faulty. Take
off the battery cover in the
direction shown by the arrow
and replace the battery
(positive side facing out). The
digital display may show an
error during this process. If
it does not return to normal:
simply take out the battery
and then put it in again after
waiting 30 seconds until the
display returns to normal.
See (
Fig 4.
below):
18.88
in-mm
ZERO
in-mm
ZERO
18.88
ZERO
in-mm
in-mm
ZERO
battery
Fig 1.
Internal Dimensions
Fig 2.
External Dimensions
Fig 3.
Step Dimensions
Fig 4.
Battery Replacement
4. Troubleshooting
www.jeffersontools.com
Hardened and tempered stainless steel digital
vernier caliper with satin finish
Large LCD easy-read display with auto-power-off
Metric and Imperial scale wth conversion
function button
Zero reset button allows for comparative
measurements
Supplied in hard, padded, compact storage case
Measurement
Measurement