SPI 11-983-4 Operating Instructions Manual

**Please read through these instructions carefully before using the tool. Use the tool for its intended purpose only.**
• SPI Digital Mini Protractor is a precision instrument used for measuring angles in which
any of its four surfaces may be utilized.
• Angle gage can trace and measure absolute level.
• Zero can be set at any angle so a relative angle between two surfaces can be measured.
Operation
1. To power on and read absolute level, push the " /...LEVEL" button; LEVEL will appear
on the upper-left corner of the display.
2. To measure relative bevel, place the Mini Protractor on a table surface and push the "ZERO"
button. Then move the Mini Protractor to the second surface, the gage will accurately measure
and display the bevel angle between the two surfaces.
3. To switch back to absolute level measuring, push and hold the " /...LEVEL" button
for 3 seconds.
4. To hold the reading, push the "HOLD" button, HOLD will display at the upper-center of the display.
To disable the HOLD function, push "HOLD" button again.
5. If " " signal appears on the LCD display, or the gage will not power on, then it's time
to change the battery. Remove the back plate with the supplied screwdriver and insert
a new standard 9-volt battery.
6. To power off, push the " /...LEVEL" button. Unit will automatically shut-off within 3 - 5 minutes
when not in use.
Specifications:
Resolution:
Repeatability: 0.1"
Accuracy:
Battery:
© 2016 Swiss Precision Instruments, Inc.
Operating Instructions Manual - 11-983-4
0.05"
±0.2°
standard 9 volt
Digital Mini Protractor
11-983-4