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CMCs General Physics (28)
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Angle by circle divider (2)
2-D, 3-D instruments (2)
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carbon monoxide
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Thailand (28)
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Your query 'NIMT' produced 28 results New search
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Thailand, NIMT (National Institute of Metrology (Thailand))
Complete CMCs in Length for Thailand (.PDF file)
Surface texture. Roughness standard, ISO 5436-1 type C, D: Ra (ISO 4287), 0.025 µm to 32 µm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[10, 12Ra], Ra in µm, values range from 10 nm to 3.8E+02 nm
Stylus instrument
Ra (ISO 4287): ISO 4287, ISO 4288, ISO 11562
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08060-10601
 
Surface texture. Roughness standard, ISO 5436-1 type C, D: Rz (ISO 4287), 0.025 µm to 32 µm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[18, 17Rz], Rz in µm, values range from 18 nm to 5.4E+02 nm
Stylus instrument
Rz (ISO 4287): ISO 4287, ISO 4288, ISO 11562
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08060-10601
 
2-D, 3-D instruments. CMM: error of indicated [size; location; shape], up to 1200 x 1000 x 700 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[0.52, 1.4E-03L], L in mm
Comparison with gauge blocks
CMM size: < 1200 mm x 1000 mm x 700 mm
Approved on 26 January 2012
 
2-D, 3-D instruments. CMM: error of indicated [size; location; shape], up to 1200 x 1000 x 700 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[0.52, 2.0E-03L], L in mm
Comparison with step gauges
CMM size: < 1200 mm x 1000 mm x 700 mm
Approved on 26 January 2012
 
End standards. Step gauge: face spacing, up to 1020 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[0.26, 1.4E-03L], L in mm
CMM with laser interferometer
Step gauge size: < 1020 mm
Approved on 26 January 2012
 
End standards. Caliper checker: face spacing, up to 1020 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[0.30, 2.7E-03L], L in mm
CMM with laser interferometer
Caliper checker size: < 1020 mm
Approved on 26 January 2012
 
CMM artefacts. Ball plate: 2D center coordinates, up to 620 x 620 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[0.27, 1.9E-03L], L in mm
CMM with laser interferometer using swing round method
Ball plate size: < 620 mm x 620 mm
Approved on 26 January 2012
 
Surface texture standards. Depth standard, (ISO 5436-1, type A), depth d, 0.01 µm to 10 µm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[2.4, 5.4d], d in µm
Interference microscope and stylus instrument (for pre-measurement)
Groove depth: ISO 5436-1
Approved on 26 January 2012
 
Surface texture standards. Depth standard, (ISO 5436-1, type A), depth d, 0.3 µm to 50 µm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[75, 7.3d], d in µm
Non-contact optical profiler
Groove depth: ISO 5436-1
Approved on 26 January 2012
 
Line standard. Precision line scale: line spacing, up to 250 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[41, 100.0E-03L], L in mm
Line scale interferometer
Glass scale: low coefficient of thermal expansion (8E-08 K-1)
Approved on 26 January 2012
 
Line standard. Precision line scale: line spacing, up to 1000 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in µm: Q[0.11, 2.9E-03L], L in mm
Line scale interferometer
Glass scale: working standard
Approved on 26 January 2012
 
End standards. Gauge block: central length L, 0.5 mm to 125 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[28, 0.47L], L in mm, values range from 28 nm to 65 nm
Interferometry exact fractions
Material: steel
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10101
 
End standards. Gauge block: central length L, 0.5 mm to 125 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[30, 0.39L], L in mm, values range from 30 nm to 57 nm
Interferometry exact fractions
Material: ceramic
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10101
 
End standards. Gauge block: central length L, 0.5 mm to 125 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[28, 0.22L], L in mm, values range from 28 nm to 39 nm
Interferometry exact fractions
Material: tungsten carbide
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10101
 
End standards. Gauge block: central length L, 0.5 mm to 125 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[28, 0.36L], L in mm, values range from 28 nm to 53 nm
Interferometry exact fractions
Material: chromium carbide
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10101
 
End standards. Gauge block: central length L, 0.5 mm to 125 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[50, 0.50L], L in mm, values range from 50 nm to 1.2E+02 nm
Mechanical comparison
Material: steel, tungsten carbide and chromium carbide
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10301
 
End standards. Gauge block: central length L, 0.5 mm to 125 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[70, 0.50L], L in mm, values range from 70 nm to 1.4E+02 nm
Mechanical comparison
Material: ceramic
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10301
 
End standards. Gauge block: central length L, 150 mm to 1000 mm
Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: Q[50, 0.80L], L in mm, values range from 1.3E+02 nm to 8.5E+02 nm
Mechanical comparison
Material: steel
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08020-10501, 08020-10502, 08020-10503
 
Angle by circle divider. Optical polygon: face angle, 3 faces to 72 faces
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ": 0.2
Indexing table and one autocollimator, error separation
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08030-10201, -10202, -10203, -10204
 
Angle by circle divider. Indexing table: index angle, 360/n °
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ": 0.2
Cross calibration versus polygon and autocollimator
Measured angle: 360/n °, number of division n: 3, 4, 6, 8 and 12
Approved on 28 April 2010
Internal NMI service identifier: NIMT/08030-10501