Clarke CM145 Digital Caliper Instruction Manual
- June 15, 2024
- Clarke
Table of Contents
Clarke CM145 Digital Caliper
Product Information
Specifications
- Model No : CM145
- Part No : 4500360
Introduction
Thank you for purchasing the CLARKE Digital Caliper. This instruction
leaflet provides important information on how to use and maintain the caliper
for long and satisfactory service. Please keep these instructions in a safe
place for future reference.
Guarantee
This CLARKE product is guaranteed against faulty manufacture for a period
of 12 months from the date of purchase. To claim the guarantee, keep the proof
of purchase. The guarantee is void if the product has been abused, tampered
with, or used for unintended purposes. Faulty goods should be returned to the
place of purchase with prior permission. This guarantee does not affect your
statutory rights.
Safety Precautions
Ensure to follow the safety precautions mentioned in the user manual to
avoid any accidents or damage to the product.
Battery Replacement
If the display constantly flashes, it indicates that the battery needs
replacement. To replace the battery, follow these steps
- Slide off the battery compartment cover.
- Insert a new battery with the positive (+) side facing up.
Setup and Operation
To set up and operate the caliper, follow these steps
- Select the required measuring unit by pressing the inch/mm mode switch.
- Zero your calipers before taking any measurements to ensure accuracy. Close the calipers fully and press the ON/Zero button to set it to zero. The display should read 0.000.
Product Usage
Measuring Outside Dimensions
To measure the thickness of an object using the outside jaws, follow these steps
- Ensure the object is perpendicular to the jaws for accurate measurement.
- Place the object between the jaws and take the measurement.
Measuring Inside Dimensions
To measure the inside dimensions of an object using the inside jaws, follow these steps
- Ensure the object is perpendicular to the jaws for accurate measurement.
- Place the jaws inside the object and take the measurement.
Measuring Depth
To measure the depth from one surface to the next using the depth gauge, follow these steps
- Ensure the calipers are perpendicular to the surface being measured for accuracy.
- Place the depth gauge on the surface and take the measurement.
Taking a Step Measurement
To measure the distance between one edge and the next using the step gauge, follow these steps
- Place the step gauge between the edges to be measured.
- Take the measurement.
Taking a Comparative Measurement
To find the difference between the diameter of a hole and the diameter of a
cylinder that fits into it, follow these steps
- Close the calipers.
- Press the ON/Zero button to zero your calipers.
- Take an outside measurement of the cylinder.
- Remove the cylinder without disturbing the caliper.
- Press the ON/Zero button to zero your calipers.
- Take an inside measurement of the hole.
- The value shown is the difference between the two measurements.
Selecting Metric/Imperial
To switch between metric and imperial measurement values, press the MM/INCH
button.
Troubleshooting
Display Flashes Constantly
This indicates that the battery needs to be replaced. Follow the battery
replacement instructions provided earlier in the manual.
Display Fails to Change When Slider is Moved
If the display fails to change when the slider is moved, check if the
battery is inserted correctly or if it needs replacement.
Display Fails to Function
If the display fails to function, check if the battery is inserted
correctly or if it needs replacement. If the problem persists, contact the
authorized service center for assistance.
Measuring Becomes Less Accurate
If the measurements become less accurate, ensure that the calipers are
properly zeroed before taking measurements. If the issue persists, contact the
authorized service center for assistance.
FAQ (Frequently Asked Questions)
-
Q: How long is the guarantee period for this product?
A: The guarantee period for this product is 12 months from the date of purchase. -
Q: Can I return faulty goods directly to the manufacturer?
A: No, faulty goods should be returned to their place of purchase with prior permission. -
Q: How do I switch between metric and imperial measurement values?
A: Press the MM/INCH button to switch between metric and imperial measurement values.
DIGITAL CALIPER
MODEL NO : CM145
PART NO : 4500360
OPERATION & MAINTENANCE
INSTRUCTIONS
ORIGINAL INSTRUCTIONS
DL0623 – ISS 4
INTRODUCTION
- Thank you for purchasing this CLARKE Digital Caliper.
- Please read this instruction leaflet thoroughly and follow the instructions carefully, to ensure that the instrument will give you long and satisfactory service.
- Please keep these instructions in a safe place for future reference.
GUARANTEE
- This CLARKE product is guaranteed against faulty manufacture for a period of 12 months from the date of purchase. Please keep your receipt as proof of purchase.
- This guarantee is invalid if the product is found to have been abused or tampered with in any way, or not used for the purpose for which is was intended.
- Faulty goods should be returned to their place of purchase, no product can be returned to us without prior permission.
- This guarantee does not effect your statutory rights.
SAFETY PRECAUTIONS
- Keep the body of the caliper clean at all times, do not use alcohol or other corrosive chemicals as they could damage the internal electronics.
- Prevent accidental damage to the caliper by storing in its case when not in use.
- DO NOT immerse the caliper in liquid or allow liquid to enter the slide.
GENERAL VIEW
BATTERY REPLACEMENT
- When the display constantly flashes the battery requires replacement.
- Slide off the battery compartment cover and insert a new battery with the positive (+) side facing up.
SETUP AND OPERATION
- Loosen the slide clamp screw.
- Press the ON button to switch the calipers on, select the required measuring unit by pressing the inch/mm mode switch.
ZERO YOUR CALIPERS
It’s critical to zero your calipers before taking any measurements. If you
skip this step, your subsequent measurements may not be accurate.
- Close the calipers fully.
- Press the ON/Zero button to set it to zero. The display reads 0.000”
MEASURING OUTSIDE DIMENSIONS
- You can also use the outside jaws to measure the thickness of an object.
- Make sure the object is perpendicular to the jaws so the measurement is accurate.
MEASURING INSIDE DIMENSIONS
- Use the inside jaws to measure the inside dimensions of an object.
- Make sure the object is perpendicular to the jaws so the measurement is accurate.
MEASURING DEPTH
- Use the depth gauge to measure the depth from one surface to the next.
- Make sure the calipers are perpendicular to the surface being measured so the measurement is accurate.
TAKING A STEP MEASUREMENT
Use the step gauge to measure the distance between one edge and the next
edge above it
TAKING A COMPARATIVE MEASUREMENT
EXAMPLE : You need to find the difference between the diameter of a
hole and the diameter of the cylinder that fits into the hole.
- Close the calipers.
- Press the ON/Zero button to zero your calipers.
- Take an outside measurement of the cylinder.
- Carefully remove the cylinder without disturbing the caliper.
- Press the ON/Zero button to zero your calipers.
- Take a inside measurement of the hole.
- The value shown is the difference.
SELECTING METRIC/IMPERIAL
Press the MM/INCH button to switch between metric and imperial measurement
values.
TROUBLESHOOTING
| FAULT | CAUSE/SOLUTION |
|---|---|
| Display flashes constantly. | Low battery – Replace battery. |
| Display fails to change when slider is moved. | Electronic fault – Remove |
battery & re-insert after 30 seconds.
Display fails to function.| Battery flat or in poor contact – Re- insert or
replace battery.
Measuring becomes less accurate.| Dirty sensor – Clean caliper thoroughly with
compressed air.
SPECIFICATIONS
| Measuring Range | 0 mm – 150 mm |
|---|---|
| Measuring Scale | 0.01 mm / 0.005” |
| Accuracy (0 mm -150 mm) | 0.03 mm |
| Operating Temperature Range | -10°C to 40°C |
| Battery Type & Voltage | Alkaline Cell (LR44) 1.55 Volt |
DECLARATION OF CONFORMITY
A SELECTION FROM THE VAST RANGE OF Clarke
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PARTS & SERVICE: 0208 988 7400
-
Parts Enquiries Parts@clarkeinternational.com
-
Servicing & Technical Enquiries Service@clarkeinternational.com
-
SALES : UK 01992 565333 or Export 00 44 (0)1992 565335
-
Clarke INTERNATIONAL Hemnall Street, Epping, Essex CM16 4LG