Dimension

J : Issues certificates with the JCSS symbol for measurement law traceability system.
A : Issues certificates with the A2LA (American Association for Laboratory Accreditation) symbol.

High-precision length standards, Micro scales
Wavelength-stabilized He-Ne lasers at 633nm	J	A
Standard micro scales	J
Gauge blocks(interferometry or comparison)	J	A
Glass scales, Objective micrometers	J	A
Master gauges for calibration
Ring gauges		A
Plug gauges/Pin gauges		A
Thread plug gauges		A
Three wires for screw thread measuring		A
Standard bars	J	A
Step gauges	J	A
Dial gauge testers	J	A
Optical flats		A
Optical parallels		A
Precise measuring machines
1-D length measuring machines		A
Electrical comparators		A
Microindicators		A
Measuring microscopes		A
Measuring projectors		A
Coordinate measuring machines		A

Measuring tools, Metal rules, Steel tape measures
Callipers	J	A
Micrometers	J	A
Cylinder gauges		A
Dial gauges	J	A
Depth gauges	J	A
Hole testers		A
Metal rules, Steel tape measures	J	A
Convex Rules		A
Angle standards
Rotary encoders	J
Optical polygons		A
Index tables		A
Angle gauges		A
Angle blocks		A
Autocollimators		A
Straightedges, Squares		A
Precision surface plates		A
Precision levels		A