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Mass and Related Quantities

No.

Calibration or Measurement Service

Measurand Level or Range

Measurement Conditions/Independent Variable

Expanded Uncertainty

Class or Quantity

Measurand(Quantity Instrument or Artifact)

Instrument Type or Method

Minimum value

Maximum value

Units

Parameter

Specifications

Value

Units

Coverage Factor

Level of confidence

Is the expanded uncertainty a relative one?

Matrix uncertainty

Mass Standards

 

1

Mass

Mass standard: national secondary standard

Derict comparison in air

1

1

kg

Air temperature air humidity

(20±0.2), (50±10)%RH

0.03

mg

2

95%

No

 

2

Mass

Mass standard

Subdivision weighing in air

20

10

kg

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.8 to 0.4

mg

2

95%

No

 

3

Mass

Mass standard

Subdivision weighing in air

10

1

kg

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.4 to 0.035

mg

2

95%

No

 

4

Mass

Mass standard

Subdivision weighing in air

1000

200

g

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.035 to 0.010

mg

2

95%

No

 

5

Mass

Mass standard

Subdivision weighing in air

200

20

g

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.010 to 0.005

mg

2

95%

No

 

6

Mass

Mass standard

Subdivision weighing in air

20

2

g

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.005 to 0.0015

mg

2

95%

No

 

7

Mass

Mass standard

Subdivision weighing in air

2

1

g

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.0015 to 0.0010

mg

2

95%

No

 

8

Mass

Mass standard

Subdivision weighing in air

1000

100

mg

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.0010 to 0.0008

mg

2

95%

No

 

9

Mass

Mass standard

Subdivision weighing in air

100

1

mg

Air temperature air humidity

(20±0.2)            (50±10)%RH

0.0008 to 0.0004

mg

2

95%

No

 

10

Mass

Mass standard

Direct comparison in air

100

2000

kg

Air temperature air humidity

(20±2)          <70%RH

1.3 to 3.2

g

2

95%

No

 

Force

 

1

Force: tension

Force measuring device:F

Direct comparison

1

10

MN

 

 

0.1F,F in MN

kN

2

95%

No

 

2

Force: compression

Force measuring device:F

Direct comparison

1

20

MN

 

 

0.1F,F in MN

kN

2

95%

No

 

3

Force: tension and compression

Force measuring device:F

Direct comparison

0.01

1000

kN

 

 

0.02F,F in kN

N

2

95%

No

 

4

Torque

Torque measuring device:T

Direct comparison

0.5

5000

Nm

 

 

1E-04T,T in Nm

Nm

2

95%

No

 

5

Torque

Torque measuring device:T

Direct comparison

1

100

Nm

 

 

2E-05T,T in Nm

Nm

2

95%

No

 

Hardness

 

1

Hardness

Hardness block

Rockwell

20

88

HRA

Preliminary
force

98.07N

0.3

HRA

2

95%

No

 

 

 

 

 

 

Total force

588.4N

 

 

 

 

 

 

2

Hardness

Hardness block

Rockwell

20

100

HRB

Preliminary
force

98.07N

0.4

HRB

2

95%

No

 

 

 

 

 

 

Total force

980.7N

 

 

 

 

 

 

3

Hardness

Hardness block

Rockwell

20

70

HRC

Preliminary
force

98.07N

0.3

HRC

2

95%

No

 

 

 

 

 

 

Total force

1471N

 

 

 

 

 

 

4

Hardness

Hardness block

Rockwell

40

77

HRD

Preliminary
force

98.07N

0.3 to 0.4

HRD

2

95%

No

 

 

 

 

 

 

Total force

980.7N

 

 

 

 

 

 

5

Hardness

Hardness block

Rockwell

70

100

HRE

Preliminary
force

98.07N

0.3 to 0.6

HRE

2

95%

No

 

 

 

 

 

 

Total force

980.7N

 

 

 

 

 

 

6

Hardness

Hardness block

Rockwell

60

100

HRF

Preliminary
force

98.07N

0.3 to 0.6

HRF

2

95%

No

 

 

 

 

 

 

Total force

588.4N

 

 

 

 

 

 

7

Hardness

Hardness block

Rockwell

30

94

HRG

Preliminary
force

98.07N

0.3 to 0.6

HRG

2

95%

No

 

 

 

 

 

 

Total force

1471N

 

 

 

 

 

 

8

Hardness

Hardness block

Rockwell

80

100

HRH

Preliminary
force

98.07N

0.3 to 0.6

HRH

2

95%

No

 

 

 

 

 

 

Total force

588.4N

 

 

 

 

 

 

9

Hardness

Hardness block

Rockwell

40

100

HRK

Preliminary
force

98.07N

0.3 to 0.6

HRK

2

95%

No

 

 

 

 

 

 

Total force

1471N

 

 

 

 

 

 

10

Hardness

Hardness block

Rockwell

70

91

HR15N(T)

Preliminary
force

29.42N

0.4

HRN(T)

2

95%

No

 

 

 

 

 

 

Total force

147.1N

 

 

 

 

 

 

11

Hardness

Hardness block

Rockwell

42

80

HR30N(T)

Preliminary
force

29.42N

0.4

HRN(T)

2

95%

No

 

 

 

 

 

 

Total force

294.2N

 

 

 

 

 

 

12

Hardness

Hardness block

Rockwell

20

70

HR45N(T)

Preliminary
force

29.42N

0.4

HRN(T)

2

95%

No

 

 

 

 

 

 

Total force

441.3N

 

 

 

 

 

 

13

Hardness

Hardness block

Brinell

80

650

HBW

Force

98.07N to 29421N

0.8 to 1.0

%

2

95%

Yes

 

14

Hardness

Hardness block

Vickers

40

1000

HV

Force

0.49N to
980.7N

0.9 to 4.0

%

2

95%

Yes

 

15

Hardness

Hardness block

Shore Hardness

105

5

HSD

Mass of impact body

36.2g

0.5 to 0.7

HSD

2

95%

No

 

 

Volume  & Density

 

 

1

Density of liquid

Standard volume vessel

Gravimetric method

0.01

2,000

l

Temperature

15 °C to 25 °C

5E-04 to 100

ml

2

95%

No

 

2

Density of liquid

Hydrometer

Hydrostatic weighing

500

650

kg/m3

Temperature

15 °C to 25 °C

0.2

kg/m3

2

95%

No

 

3

Density of liquid

Hydrometer

Direct comparison

650

2,000

kg/m3

Temperature

15 °C to 25 °C

0.08

kg/m3

2

95%

No

 

4

Density of liquid

Hydrometer

Hydrostatic weighing

2,000

3,000

kg/m3

Temperature

15 °C to 25 °C

0.2

kg/m3

2

95%

No