Electronic Micrometer
Operation Manual
1. Functional elements
LCD display
Friction drive
Quick drive
ABS/INC--UNIT key
ON/OFF--SET key
Data output
2. Keys
ON/OFF--SET key: Power switch. Datum set.
ABS/INC--UNIT key: Absolute & relative measuring. Metric/inch conversion.
3. LCD Display
“INC”: Relative measuring mode
“mm”: Unit: inch
“in”: Unit: metric
4. Operation
Two types of pressing the keys are used in the following illustrations:
(1) Press and release; (2) Press and hold (2 sec. or more)
4.1 ON/OFF--SET key:
Press and release: Power on/off.
Press and hold (2 sec or more): Datum setting for absolute measurement.
Origin of metric is 0, 25.0, 50.0, 75.0mm~275mm.
Origin of inch is 0 .1", .2", .3"~11":
Sets datum automatically after battery reset.
Electronic Micrometer
Operation Manual
1. Functional elements
LCD display
Friction drive
Quick drive
ABS/INC--UNIT key
ON/OFF--SET key
Data output
2. Keys
ON/OFF--SET key: Power switch. Datum set.
ABS/INC--UNIT key: Absolute & relative measuring. Metric/inch conversion.
3. LCD Display
“INC”: Relative measuring mode
“mm”: Unit: inch
“in”: Unit: metric
4. Operation
Two types of pressing the keys are used in the following illustrations:
(1) Press and release; (2) Press and hold (2 sec. or more)
4.1 ON/OFF--SET key:
Press and release: Power on/off.
Press and hold (2 sec or more): Datum setting for absolute measurement.
Origin of metric is 0, 25.0, 50.0, 75.0mm~275mm.
Origin of inch is 0 .1", .2", .3"~11":
Sets datum automatically after battery reset.
4.2 ABS/INC--UNIT key:
Press and release: Absolute and relative measuring mode conversion;
“INC” sign displayed on LCD in relative measuring mode.
No sign displayed on LCD in absolute measuring mode.
Press and hold (2 sec. or more): Metric/inch conversion;
“in” sign displayed on LCD for inch, otherwise mm.
5. Power
A CR2032 Lithium battery is inserted into the back of the instrument with positive pole outward.
Replace the battery when the display data is dim or LCD is flashing.
In not used for approximately five minutes the power will auto-off.
The micrometer will turn on by pressing “ON/OFF--SET” key.
Power off the micrometer by pressing “ON/OFF--SET” key to save the battery.
6. Specifications
Measuring force: 5~10N
Power consumption: < 20μA
Operating temperature: 0~40℃
Storage temperature: -20~60℃
7. Precautions
Do not subject the instrument to blows or knocks. Do not drop it or apply excessive force.
Do not disassemble the unit.
Do not press the keys with a pointed object.
Do not store or use the instrument under direct sunlight, or in an excessively hot or cold area.
Do not use the instrument near strong magnetic fields and high voltages.
Use soft cloth or a cotton swab that is dry to clean the instrument. Do not use organic solvent such as acetone or benzene. Alcohol may be used.
Wipe the measuring faces of the instrument before using it.
Remove the battery if the instrument is not used for a long period of time.
8. Troubleshooting
Problem Cause Solution
Measuring data is not correct. 1. Dirty measuring surfaces.
2. Preset data is not correct. 1. Clean measuring surfaces.
2. Inspect preset data and reset it.
No display on LCD. 1. Battery voltage under 2.7v.
2. Battery is not properly set. 1. Replace battery.
2. Reset battery (remove for 3 minutes).
Display confused or remains blank Battery voltage under 2.7v Replace battery.
