Comparison Display

SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 1-2

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 2-3

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 3-4

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 4-5

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 5-6

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 6-7

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 7-8

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 8-9

D_i / ″

Participating institutes

This is the possibility to place a comment.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Polygon, faces 9-1

D_i / "

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 15º angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Angle block, 15º

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5º angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Angle block, 5º

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5′ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Angle block, 5′

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 3′ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Angle block, 3′

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 30″ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Angle block, 30"

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5″ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

Angle block, 5″

D_i / ″

Participating institutes

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.003	0.142
NIST	-0.005	0.101
NRC	0.000	0.040
CENAM	0.007	0.194
INMETRO	0.017	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	0.020	0.142
NIST	0.013	0.101
NRC	-0.010	0.040
CENAM	0.020	0.194
INMETRO	0.000	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.016	0.142
NIST	-0.009	0.101
NRC	0.004	0.040
CENAM	0.014	0.194
INMETRO	0.004	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	0.021	0.142
NIST	-0.024	0.101
NRC	0.009	0.040
CENAM	-0.019	0.194
INMETRO	-0.029	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.036	0.142
NIST	0.024	0.101
NRC	-0.006	0.040
CENAM	0.014	0.194
INMETRO	0.034	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.015	0.142
NIST	-0.002	0.101
NRC	0.002	0.040
CENAM	-0.015	0.194
INMETRO	0.025	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	0.020	0.142
NIST	-0.017	0.101
NRC	0.006	0.040
CENAM	0.000	0.194
INMETRO	-0.030	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.004	0.142
NIST	0.033	0.101
NRC	-0.007	0.040
CENAM	0.036	0.194
INMETRO	-0.054	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	"	"	"
INTI	0.014	0.142
NIST	-0.011	0.101
NRC	0.004	0.040
CENAM	-0.056	0.194
INMETRO	0.024	0.174

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 15º angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	0.028	0.261
NIST	0.036	0.109
NRC	-0.034	0.082
CENAM	0.048	0.167
INMETRO	-0.042	0.188

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5º angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	0.007	0.261
NIST	0.024	0.109
NRC	-0.033	0.082
CENAM	0.047	0.167
INMETRO	-0.003	0.188

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5′ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.100	0.292
NIST	0.034	0.109
NRC	0.004	0.081
CENAM	-0.050	0.167
INMETRO	0.010	0.188

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 3′ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.058	0.292
NIST	0.039	0.109
NRC	-0.051	0.081
CENAM	0.072	0.167
INMETRO	0.022	0.188

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 30″ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	-0.041	0.293
NIST	-0.011	0.109
NRC	0.027	0.082
CENAM	-0.001	0.145
INMETRO	-0.051	0.189

Participating institutes

SIM.L-K3.2019

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5″ angle block

Degrees of equivalence represented by D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in ″ (arcsecond).

LAB_i	D_i	U_neg,i	U_pos,i
	″	″	″
INTI	0.007	0.262
NIST	0.027	0.110
NRC	-0.036	0.083
CENAM	0.027	0.146
INMETRO	0.017	0.189

Participating institutes

SIM.L-K3.2019

Comparison

Comparison close

SIM.L-K3.2019

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Information & contact
Participants

Metrology area, Sub-field	Length, Dimensional Metrology
Description	Calibration of angle blocks and a polygon
Time of measurements	2019 - 2020
Status	Approved for equivalence

Final Reports of the comparisons	Metrologia 2023 60 Tech.Suppl. 04002
References	SIM.L-K3.2019 Technical Protocol
Measurand	Angle
Transfer device	6 angle blocks and a polygon with 9 measuring faces

Comparison type	Key Comparison
Consultative Committee	CCL (Consultative Committee for Length )
Conducted by	SIM (Inter-American Metrology System)
Pilot institute	INTI Instituto Nacional de Tecnologia Industrial Argentina
Contact person	B. Gastaldi +54 0351 4604137

Pilot laboratory
INTI	Instituto Nacional de Tecnologia Industrial, Argentina, SIM

CENAM

Centro Nacional de Metrologia, Mexico, SIM

INMETRO

Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil, SIM

NIST	National Institute of Standards and Technology, United States, SIM

NRC	National Research Council, Canada, SIM

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.263″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.340″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.296″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.051″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.404″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.015″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.020″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.036″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.414″ u_R = 0.024″

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 15º angle block

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.302" u_R = 0.034"

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5º angle block

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.313" u_R = 0.034"

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5′ angle block

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.890" u_R = 0.034"

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 3′ angle block

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = -0.032" u_R = 0.034"

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 30″ angle block

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.091" u_R = 0.033"

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5″ angle block

The key comparison reference value x_R and its associated standard uncertainty u_R are computed from a weighted mean of the reported results.

x_R = 0.153" u_R = 0.033"

The degree of equivalence of laboratory i relative to the key comparison reference value x_R is given by a pair of terms, both expressed in ″ (arcsecond):

D_i = (x_i - x_R) and its expanded uncertainty U_i at a 95 % level of confidence where U_i = 2 (u_i² - u_R²)^1/2

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.260	0.075
NIST	0.258	0.056
NRC	0.263	0.031
CENAM *	0.27	0.10
INMETRO	0.28	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.360	0.075
NIST	0.353	0.056
NRC	0.330	0.031
CENAM *	0.36	0.10
INMETRO	0.34	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.280	0.075
NIST	0.287	0.056
NRC	0.300	0.031
CENAM *	0.31	0.10
INMETRO	0.30	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.030	0.075
NIST	-0.075	0.056
NRC	-0.042	0.031
CENAM *	-0.07	0.10
INMETRO	-0.08	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.440	0.075
NIST	-0.380	0.056
NRC	-0.410	0.031
CENAM *	-0.39	0.10
INMETRO	-0.37	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.030	0.075
NIST	-0.017	0.056
NRC	-0.013	0.031
CENAM *	-0.03	0.10
INMETRO	0.01	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.040	0.075
NIST	0.003	0.056
NRC	0.026	0.031
CENAM *	0.02	0.10
INMETRO	-0.01	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.040	0.075
NIST	-0.003	0.056
NRC	-0.043	0.031
CENAM *	0.00	0.10
INMETRO	-0.09	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle between two faces of a 9-sided polygon

x_i measured deviations of the pitch angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.400	0.075
NIST	-0.425	0.056
NRC	-0.410	0.031
CENAM *	-0.47	0.10
INMETRO	-0.39	0.09

*After Draft A was released CENAM reversed the signs for all the polygon measurements.

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 15º angle block

x_i measured deviations of the angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.33	0.14
NIST	0.338	0.064
NRC	0.268	0.053
CENAM	0.35	0.09
INMETRO	0.26	0.10

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5º angle block

x_i measured deviations of the angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.32	0.14
NIST	0.337	0.064
NRC	0.280	0.053
CENAM	0.36	0.09
INMETRO	0.31	0.10

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5′ angle block

x_i measured deviations of the angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.99	0.15
NIST	-0.856	0.064
NRC	-0.886	0.053
CENAM	-0.94	0.09
INMETRO	-0.88	0.10

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 3′ angle block

x_i measured deviations of the angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	-0.09	0.15
NIST	0.007	0.064
NRC	-0.083	0.053
CENAM	0.04	0.09
INMETRO	-0.01	0.10

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 30″ angle block

x_i measured deviations of the angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.05	0.15
NIST	0.080	0.064
NRC	0.118	0.053
CENAM	0.09	0.08
INMETRO	0.04	0.10

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SIM.L-K3.2019

MEASURAND Deviation from nominal angle of a 5″ angle block

x_i measured deviations of the angle reported by laboratory i, Lab_i

u_i combined standard uncertainty of x_i

Lab_i	x_i	u_i
Lab_i	″	″
INTI	0.16	0.14
NIST	0.180	0.064
NRC	0.117	0.053
CENAM	0.18	0.08
INMETRO	0.17	0.10

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