Printed in Japan
Mitutoyo Corporation 1-20-1 Sakado, Takatsu-ku, Kawasaki City, Kanagawa 213-8533
1. Names of Components
● CLM-QMX
② ③
⑭
①
⑧⑨
⑤④
⑥ ⑦
⑫⑬ ⑪ ⑩
● CLM-DKX
N
2.0
2.5
1.5
1.0
0.5
⑭
②
①
⑧⑨
⑤④
⑥ ⑦
⑫⑬ ⑪ ⑩
①
Anvil
②
Spindle
③
Stroke end bush
(CLM-QMX only)
④
LCD
⑤
Data output connector
⑥
Cover
⑦
Thimble*
⑧
Measuring force selector
⑨
Cover for measuring force
selector
⑩
[HOLD] button
⑪
[ZERO/ABS] button
⑫
[PRESET] button
⑬
[ON/OFF in/mm**] button
(**only for in/mm model)
⑭
Battery compartment
cover (at rear)
* Thimble (with constant
pressure device): 0.5 N to
2.5 N type only
■ Display
①
Minimum value hold display
②
Function lock display
③
Displayed value hold display
④
Battery voltage low display (error display)
⑤
Incremental measurement (INC) display
⑥
Preset display
⑦
Unit display
2. Installing the Battery
• Be sure to use SR44 (silver oxide button battery No. 938882) for the battery.
• Always align the battery compartment cover with the threads and install so that the seal does
not protrude. The product may display an error or malfunction if the battery compartment cover
or seal is not mounted correctly.
• Re-installing the batteries will erase the PRESET value (reference point) setting. Perform
reference point setting again (refer to "5. PRESET Value (Reference Point) Setting").
• Follow local rules and regulations regarding battery disposal.
The battery is not installed into the product at purchase. Install the battery as follows.
1
Rotate the battery compartment cover counter-clockwise to remove it.
2
Install the battery (button type silver-oxide battery; Part No. 938882) with the positive side
facing up.
3
Position the battery compartment cover and rotate clockwise to attach.
Moving on, set the PRESET value (reference point).
4
Press the [PRESET] button.
⇨
Count display appears and counting starts.
③
⑤ ⑥ ⑦
②
①
④
SR44
No. 938882
1 2 3
4
PERSET
Seal
Tips
If an abnormal display is shown, such as an error display or not counting, etc., try removing the
batteries and reinstalling.
3. Precautions for Use
■ Measurement Orientation
Only a horizontal measurement orientation (horizontal measurement axis for the anvil, spindle, and
thimble) is possible for this product.
In order to perform measurement within the guaranteed accuracy, use a micrometer stand (A) and
keep the tilt from horizontal orientation within ±3 °. Note that the measuring force will change by
±0.3 N at ±30 ° tilt from horizontal orientation, as a guideline.
A
■ Measuring Force
Moving the workpiece horizontally applies force more than the
set measuring force to the spindle. Hold the workpiece so as to
avoid applying any force more than the set measuring force to
the spindle during measurement.
■ Temperature
This product, especially the 0.001 mm resolution model, is
easily inuenced by temperature changes. Abrupt temperature
changes should be avoided and sufcient time should be
allowed to adjust to ambient temperature before measuring.
■ Handling the Stroke End Bush (CLM-QMX only)
The stroke end bush acts as a marker for the measurement range (10 mm or 15 mm). Although it
will not directly affect the measurement results, do not move or remove it, in order to prevent
damage. The home position of the marker (B) is 6 mm or 11 mm from the edge of the spindle.
■ Precautions after Use
• After use, clean the entire product and check that none of the parts are damaged.
If using in places exposed to water-based cutting uid, always apply anti-rust treatment after
cleaning.
• For storage, leave a gap of 0.2 to 2 mm open for the measurement surfaces.
• For long-term storage, apply anti-rust treatment to the spindle using micrometer oil (Part No.
207000).
Safety Precautions
To ensure operator safety, use this product in conformance with the directions, functions
and specications given in this User's Manual.
Use under other conditions may compromise safety.
• Always keep batteries out of reach of children. If swallowed, consult a physician
immediately.
• Batteries should never be short-circuited, disassembled, deformed or come in contact with
extreme heat or ames.
• If battery alkaline liquid comes in contact with the eyes, ush eyes immediately with clean
water and consult a physician. If battery alkaline liquid comes in contact with the skin,
ush the exposed area thoroughly with clean water.
• Never attempt to charge the primary battery. Never reverse the positive-negative terminals
when mounting. Improper battery handling or mounting may cause the battery to explode,
cause battery leakage and/ or serious bodily injury or malfunctioning.
• The measuring faces of this product are sharp. Always handle with care to avoid injury.
• Do not disassemble or modify. This may cause damage.
• Do not use or store the product in a place with sudden temperature changes. Adapt the
product to ambient temperature before use.
• Do not store the product in a place with high humidity or a lot of dust.
• Do not apply excessive force or subject to sudden impacts such as dropping.
• Be sure to perform reference point setting before measurement.
• Remove dust, cutting chips, etc. before and after use.
• When cleaning, wipe this product with a soft cloth moistened with diluted neutral
detergent. Do not use an organic solvent such as thinner, which may cause the product to
deform or malfunction.
• The spindle structure prevents pulling out, so do not try to forcibly retract in excess of the
measurement range. This may cause damage.
• Dirt on the spindle may lead to malfunction. If the spindle becomes dirty, wipe it clean with
a cloth containing a small amount of alcohol and apply a small amount of micrometer oil
(Part No. 207000).
• Do not write numbers, etc. with an electric pen. This may cause damage.
• The battery supplied is for conrming the functions and performance of the product. Note
that this battery may not fulll the expected life.
• The display of this product automatically turns off if not used for 20 minutes or more.
Press the [ON/OFF] button to turn the display on again.
• If the product is to be out of use for 3 months or more, remove the battery before storage.
Liquid leakage from the battery may damage the product.
• Malfunction or damage due to depleted batteries, etc. is not covered by the warranty.
Absolute Digimatic Micrometer
with Adjustable Measuring Force
CLM-QMX, CLM-DKX
User's Manual No.99MAB047A
Button icon operation
=
≥ 2 s
=
< 1 s
Date of publication: May 28, 2018
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