Velleman 3472 - Manual

3472 1 PEREL
3472 – DIGITAL CALLIPER
1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the
environment.
Do not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialised company for
recycling.
This device should be returned to your distributor or to a local recycling service.
Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
Thank you for buying the DIGITAL CALLIPER! Read this manual carefully before bringing the device into service.
2. Specifications & Functions
Measuring range Resolution & Repeatability Accuracy
0-200mm / 0-8" 0.03mm / 0.001"
200-300mm / 8-12"
0.01mm / 0.0005"
0.04mm / 0.0015"
Data output Serial output for interface with host computer or printer
Maximum measuring speed: 1.5m/sec or 60"/sec
Display: LCD, features minus sign "-", character in 6.35mm / 0.25" height for 5 digits, small digit "5"
and "IN" indication for inch measuring unit
Battery: one 1.5V silver oxide battery for one year of continuous use.
Low-battery warning by flashing display.
Operating temperature: 0°C
∼
+40°C
Storage temperature: -20°C
∼
+70°C
Operating humidity: 0 to 80%
1. OFF key
2. ON / METRIC / INCH change over key (true conversion)
3. Data output socket
4. Battery cover
5. Zero setting (resets any value to zero for reference)
3. Maintenance Instructions
1. Keep the device and the battery compartment clean and prevent liquids from entering the electronic part to avoid damaged
electronics.
2. Clean the device with petrol, lubricate the body with some clock oil. Acetone and alcohol should not be used.
4. Troubleshooting
Problem Cause Solution
The 5 digits change every second Battery voltage is under 1.45V Replace battery.
Displayed value doesn't change. Circuitry malfunction Remove the battery and put it back after 30 seconds.
LCD shows 000.00mm / 00.000in One of the keys is short circuited Remove the cover & adjust key spring position
Function keys do not work Key spring is bent or deformed Remove the cover & adjust key spring position
Calliper does not measure
accurately Sensor is dirty Remove the cover and slider assembly, clean the
sensor with pressure air (
≤
51kg/cm²), and clean it
with a little petrol for dirt prevention.
No display on LCD screen 1) No battery contact.
2) Battery voltage is under 1.1V. 1) Restore battery contact.
2) Replace battery
5. Applications (see p. 6)
The information in this manual is subject to change without prior notice.