JJG 311-1996 Focometer
This procedure is applicable to the verification of newly manufactured, in-use, and repaired focal length meters.
Current Category: CN-JJG - National Metrology and Inspection Regulations JJG
This procedure is applicable to the verification of newly manufactured, in-use, and repaired focal length meters.
This procedure is applicable to the verification of cone roller diameter, angle, and straightness measuring instruments with a graduation value of 0001 mm that are newly manufactured, in use, or repaired.
This procedure is applicable to the verification of the newly manufactured, in-use, and repaired SLC 9 direct-reading current meters (hereinafter referred to as current meters). Other direct-reading current meters can also be verified in accordance with this verification procedure.
This procedure is applicable to the verification of newly manufactured, in-use, and repaired polycrystalline X-ray diffractometers (hereinafter referred to as "instruments").