23706 - Measurement Draper - Free user manual and instructions
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| Product Type | Digital Caliper |
| Brand | Draper |
| Model | 23706 |
| Category | Measurement |
| Measurement Range | 0-150 mm / 0-6 inches |
| Resolution | 0.01 mm / 0.0005 inches |
| Accuracy | ±0.02 mm |
| Display | LCD 7.5 mm digit height |
| Power Supply | 1 x CR2032 battery |
| Auto Shut-off | After 5 minutes of inactivity |
| Measurement Functions | Inside, outside, depth and step measurement |
| Material | Hardened stainless steel construction |
| Unit Conversion | Metric/Imperial (mm/in) switchable |
| Zero Setting | One-touch zero at any position |
| Weight | 140 g |
| Dimensions | 235 x 75 x 20 mm |
| Cleaning & Maintenance | Wipe with a dry cloth; avoid harsh solvents |
| Safety | Keep away from moisture and store in dry case |
| Spare Parts & Repairability | Replacement battery CR2032; professional repair via Draper dealer |
| General Information | Supplied in a protective plastic case |
Frequently Asked Questions - 23706 Draper
How do I change the battery on my Draper 23706 caliper?
Remove the battery cover on the front, take out the CR2032 battery, insert the new battery with the positive terminal facing up, and close the cover.
How do I switch between inches and millimeters?
Press the in/mm button on the caliper once to toggle from inches to millimeters or vice versa. The selected unit will appear on the LCD display.
Why does the display show 0.00 mm even when the jaws are open?
This is probably because the zero point is locked. Close the jaws firmly and press the ZERO button to reset the measurement to zero at the closed position.
How to measure the inside diameter with this caliper?
Use the inner jaws (the smaller-facing jaws) to measure the inner distance. Place the jaws inside the hole and open them until they contact the walls, then read the display.
What is the accuracy and resolution of the Draper 23706?
The resolution is 0.01 mm and the accuracy is ±0.02 mm, giving reliable precision for most toolroom applications.
How do I calibrate the caliper?
For calibration, use a reference gauge block or standard of known length. Measure the standard, adjust if necessary (if the unit has a calibration screw), or press the ZERO button at a known position to set an offset.
Can I use the caliper for depth measurements?
Yes, the caliper is equipped with a depth rod at the rear. Extend the rod and place its tip on the bottom of a slot, then read the depth on the display.
How should I clean and store the caliper?
After each use, wipe the caliper with a dry, soft cloth. Do not use solvents or water. Store it in the protective case in a dry environment to prevent corrosion.
Is the caliper waterproof?
No, the caliper is not waterproof. Exposure to liquids can damage the electronic components and cause corrosion. Keep it dry at all times.
What is the auto shut-off feature and how can I extend battery life?
The caliper automatically switches off after 5 minutes of inactivity to save battery life. Replace the battery with a CR2032 when the display becomes dim.
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