National Metallic CTVRNCLPR6A User manual

6” Digital Vernier Caliper
CTVRNCLPR6A
Quick Start Guide
Technical Specification
Measuring Range 0-150mm/0-6in
Resolution 0.01mm/0.0005in
Accuracy ± A0.02mm/0.001in (<100mm)
± 0.03mm/0.001in ( 100-200mm)
± 0.04mm/0.0015in ( 200-300mm)
Repeatability 0.01mm/0.0005in
Max measuring speed 1.5m/sec, 60in/sec
Measuring system Linear capacitive measuring system
Display LCD display
Power One silver oxide battery 1.55V, type SR44
Capacity: 180mAh
Current <20 Aμ
Working Temperature 5° C ~ 40° C
Influence of Humidity Not important under 80% of relative humidity
Product Layout
1 – Outside Measuring Faces 2 – Inside Measuring Faces
3 – Depth Measuring Blade 4 – Step Measuring Faces
5 – Beam 6 – Main Scale
7 – Battery Compartment Lid 8 – Output Connector
9 – Display (LCD) 10 – Slider Clamp Screw
11 – Thumb Roller (depending on model) 12 – Power ON/OFF Switch
13 – ZERO Switch 14 – Inch/mm Conversion Switch

APPLICATIONS
Preparation
1. Slider can be removed only after the locking screw (10) is loosened.
2. Wipe all of the measuring faces and calipers clean. Do not use any cleaning solutions.
3. Check to see if all the buttons, switches and LCD are responsive.
Ba ic Mea uring Method
1. Loosen the locking screw.
2. Switch the unit on with a press of the ON button. Then select the measuring units
needed by pressing the Inch/Metric button. (Each time the button is pressed, the display
will alternate between metric and imperial measurements.)
3. Apply normal measuring pressure on the slider to close the external measuring jaws. Then
press the “ZERO” button to reset the display to zero.
MAINTENANCE
Keep the caliper clean and dry. (Liquids can damage the slider)
Faces should be cleaned gently with cotton fabrics. Never use cleaning
solutions.
To save power, turn the unit off when not being used for some time.
Never apply any electric pressure on any part of caliper.
BATTERY REPLACEMENT
Flashing of digits shows a flat battery. Take off the battery cover in the direction shown by the
arrow and replace the battery with the positive side facing outwards.
TROUBLESHOOTING
Failure Cause Measure
Five digits flashing simultaneously
once per sec.
Battery voltage lower than 1.45V Replace the battery.
Display doesn't change when slider is
moved.
Malfunctioning circuit. Take out battery, then replace it after
30 seconds.
Less accurate than specified, but
within ± 0.1mm
Dirt in sensor. Remove slider cover and assembly,
then clean with compressed air.
(5kg/cm)
No display on LCD 1 – Battery in poor contact.
2 – Battery voltage under 1.4V
1 – Remove battery cover and adjust
the battery position.
2 – Replace the battery.