Niigata seiki JLVC-30 Instruction Manual

Precision Measuring Tools
LONG JAW CALIPER
Thank you for purchasing the Niigata Seiki Long Jaw Caliper.
This product is a precision measurement tool with a main scale and a vernier scale to indicate the measured value.
●For safe and correct use of this product, please read this instruction manual before use and follow the procedures described.
Please keep manual where it is accessible to user for future reference.
●Keep this manual with the instrument if transferred or leased to a third party.
●For inquiries about this product please contact dealer or Niigata Seiki at the address listed on the following page.
■
PART IDENTIFICATION & FUNCTION
④ Inside Jaws
③ Step Meas.
Surfaces
② Outside Jaws
①Outside Meas. Surfaces ···
②Outside Jaws ················
SAFETY PRECAUTIONS
To prevent injury to yourself and others, and to prevent damage to property,
always follow the procedures marked with the following symbols.
WARNING:
Read the manual and follow the directions.
・Use of product other than as described in the manual
may cause accident.
Use only for measuring.
・Use for any purpose other than measuring may damage
or wear the instrument. Improper use may also cause accident.
Use only in suitable environment.
・Do not use in locations that are very humid, wet, very
hot, cold, or in direct sunlight.
・Due to large size and weight, please use care and be
aware of your surroundings during use.
CALIBRATION
●To maintain instrument accuracy, periodic calibration is
recommended.
Wear of measuring surfaces from repeated use may affect accuracy
and periodic accuracy checks should be performed.
④ Inside Meas.
Surfaces
⑥ Lock Screw
0
1 2 3 4 5 6 7 8 9 10 11
0.05mm
0 1 2 3 4 5 6 7 8 9 0
⑩ Slide (Vernier Scale)
① Outside Meas.
Surfaces
Position measured object between these surfaces.
Measures external dimensions.
Move Slide to open and close.
Indicates risk of personal injury or property damage if not followed.
INSTRUCTION MANUAL
⑦ Fine Adjust Lock
12 13 14 15 16 17 18 19 20 21 22 23
⑨ Fine Adjust
Feed
③ Step Meas. Surfaces ··
④Inside Jaws ·············
⑤ Inside Meas. Surfaces ·
⑥Lock Screw ·············
⑦ Fine Adjust Lock ·····
※ For Fine Adjustment, Loosen Lock Screw ⑥, and tighten
Fine Adjust Lock ⑦. Rotate Fine Adjust Feed Wheel ⑨.
⑧ Main Scale ·············
⑨ Fine Adjust Feed ·····
⑩ Slide (Vernier Scale) ···
Please Observe
Denotes a prohibition –
You MUST NOT do
Handle with Care.
・Do not drop or subject instrument to excessive shock.
・Do not scratch instrument, for example by writing ID number.
Jaw Tips Are Sharp — Handle With Care.
・Careless handling may cause injury.
Do not disassemble or modify.
・Do not remove the vernier slide, Please do not attempt to
Outside Japan,
Please inquire contact distributor or place of
purchase to inquire about calibration services.
Model
JLVC-30 / JLVC-60
No.
⑧ Main Scale
24 25 26 27 28 29 30
c m
Measures the height of steps.
Measures internal dimensions.
Move Slide to open and close.
Position surfaces inside object to be measured.
Locks the Slide.
Tighten to use Fine Adjustment Feed Wheel.
Indicates measured value in 1mm graduations.
Feed screw for fine adjust of Slide.
Scale for measuring with a resolution of 0.05mm.
Refer to following page for usage instructions.
Do not place under heavy objects. Improper handling
may cause damage or poor accuracy.
disassemble or modify as it may cause damage or poor
accuracy.
Denotes a requirement –
You MUST do