User guide

Park Tool Co.
www.parktool.com
© 2012 Park Tool Co.
® PARK TOOL and the color BLUE are
registered trademarks of Park Tool Co.
DC-1 Digital Caliper
The DC-1 is a precision measuring instrument built with stainless steel parts and a rugged ABS body.
OPERATION:
1. Loosen locking screw to allow movement of slider.
2. Press and release OFF/ON button.
3. Press mm/inch button to switch between
measurement units.
4. Close measuring jaws using light measuring pres-
sure and press ZERO button to reset display to 0.00.
5. Measure part as shown in Figures 1 through 4.
Figure 1 Measurement of Internal Dimensions
Figure 2 Measurement of External Dimensions
Figure 3 Measurement of Depth
Figure 4 Differential Measurement
(Application of zero setting)
• Measures to 150mm/6”
• Large LCD display
• Displays metric, decimal standard and
fractional standard to 1/128”
• Measures external, internal, depth and
stepped dimensions
• Resolution: +/-0.01mm/0.0005”/1/128”
• Accuracy: +/-0.02mm/0.001”
(<100mm) +/-0.03mm/0.001” (>100-200mm)
+/-0.04mm/0.0015” (>200-300mm)
• Repeatability: +/-0.01mm/0.0005”
MAINTENANCE:
1. Handle with care. Avoid exposure to dirt, moisture,
and extreme temperatures.
2. Keep DC-1 clean and dry for proper performance.
Clean with a dry, soft, cotton cloth. Do not use
water or cleaning solutions.
3. To save battery power, turn off DC-1 when idle.
BATTERY REPLACEMENT:
Flashing digits in the display indicates the battery needs replacement. Remove the battery cover as shown in
Figure 5. Replace battery (SR44 button cell) with positive side facing out.
TROUBLE SHOOTING:
Trouble Action
Five digits flash simultaneously Replace battery
Display doesn’t change when slider is moved Remove battery for 30 seconds, then re-install
No reading on display
1. Check for proper battery connection
2. Replace battery
Tool is less accurate than specified
Remove slider cover and assembly, clean face
of sensor with clean, compressed air
Figure 1
Figure 4
Figure 5
Figure 2
Figure 3