From 2E-1

Page 1 of 5
Number of certificate 000000

SAMPLE

Calibration Certificate
Client's name○○○○

Client's address○○○○○○○○

ArticleNon-automatic electronic weighing instrument

Type

○○○○

Serial number○○○○

Manufacturer○○○○○○○○

Calibration item

Mass(balance)

Calibration method

Per our calibration manual (Document No.MJB-03)

Instruments used by calibration

Standard instruments(Refer to attached data sheet)

Date of acceptance

6 Jan. 2020

Date of calibrated

6 Jan. 2020

A place of calibration○○○○○○○○○○○○The place where the article used○○○○○○○○

Ambient condition

As per attached data sheet

This is to certify that the calibration result of the above article are as shownin the attached sheets.
10-31 Akagawa 2-chome Asahi-ku Osaka, Japan
Date of issue : 6 Jan. 2020
MURAKAMI KOKI CO., LTD.
The calibration authority

This certificate is based on article 144 of the Measurement Act and indicates the result of calibration in accordance withmeasurement standards traceable to Primary Measurement Standards (National Standards) which realizes the physical unitsof measurement according to the International System of Units (SI). The accreditation symbol is attestation of which theresult of calibration is traceable to Primary Measurement Standards (National Standards).
The certificate shall not be reproduced except in full, without the written approval of the issuing laboratory.
The calibration laboratory who issued this calibration certificate conforms to ISO/IEC 17025:2017.
This calibration certificate was issued by the calibration laboratory accredited by IAJapan who is a signatory to the Mutual
Recognition Arrangement (MRA) of International Laboratory Accreditation Cooperation (ILAC) and Asia PacificAccreditation Cooperation (APAC). This(These) calibration result(s) may be accepted internationally through
ILAC/APAC MRA.

From 2E-2

The attached data sheet

Page 2 of 5
Number of certificate 000000

SAMPLE
1. Specification
Kind of balanceSingle range instrument

Maximum capacity / Acutual scale interval

120 g / 0.1 mg

Temperature characteristic

1.50 ppm/K

Accuracy class----Sensitivity adjustment

Bult-in calibration weights.

Remarks 1

A preload is carried out.

Remarks 2

Indication before calibration 100.0106 gIndication after calibration 99.9999 g

2. Ambient condition
BeforeMiddle 1Middle 2

After

ChangeTemperature

23.3 ºC

23.4 ºC

23.4 ºC

23.5 ºC

0.2 ºC

Humidity

59.0 %

59.0 %

0.0 %Atmospheric pressure

1004.0 hPa

1004.0 hPa

0.0 hPa

3. Uncertainty evaluationa) Repeatability
No.

LoadIndication

Deviation

160 g

59.9999 g-0.0001 g

260 g

59.9999 g-0.0001 g

360 g

60.0000 g

0.0000 g

460 g

59.9999 g-0.0001 g

560 g

59.9999 g-0.0001 g

660 g

59.9999 g-0.0001 g

Standard deviation
Uncertainty dispersion vw

0.04 mg0.0017 mg 2b) Rounded error
Uncertainty dispersion vr

0.0017 mg 2

From 2E-3

The attached data sheet

Page 3 of 5
Number of certificate 000000

SAMPLEc) Off-center loading
Load60 g
Position

Indication

Difference
3

1.Center

59.9999 g

2.Ahead on the left

59.9998 g-0.0001 g

3.Rear on the left

59.9999 g

0.0000 g

4.Rear on the right60.0001 g

0.0002 g

5.Ahead on the right60.0001 g

0.0002 g

Maximum difference

0.0002 g

Relative uncertainty dispersion ve

4.12E-13434121525r≒0.7d) TruenessNo.

TareCorrectionvalue

LoadIndication

Deviation

10g

120 g

-0.194 mg

119.9999 g

20g

30 g

-0.053 mg

29.9999 g-0.00005 g

30g

60 g

-0.106 mg

59.9999 g+0.00001 g

40g

90 g

-0.142 mg

89.9999 g+0.00004 g

550 g

30 g

-0.053 mg

30.0000 g+0.00005 g

650 g

60 g

-0.106 mg

59.9999 g+0.00001 ge) Temperature effectTemperature change

0.2 ºC

Ingredient of thermometer uncertainty

1.0 ºC

Temperature characteristic

1.50 ppm/K

Relative uncertainty dispersion vTf) Weight used by calibrationUncertainty
dispersion vsLoad120 g

2.62E-02 mg 230 g

9.26E-03 mg 260 g

1.21E-02 mg 290 g

3.19E-02 mg 230 g

9.26E-03 mg 260 g

1.21E-02 mg 2

2.70E-13+0.00009 g

From 2E-4

The attached data sheet

Page 4 of 5
Number of certificate 000000

SAMPLE
4. Calibration results
Nominalvalue W

TareDeviation

Expanded
uncertainty UDegrees
of feedom

Coverage
factor k0g

120 g+0.09 mg ±0.40 mg≧ 1020g

30 g-0.05 mg ±0.23 mg

≧ 10

20g

60 g

+0.01 mg ±0.27 mg≧ 1020g

90 g+0.04 mg ±0.41 mg

≧ 10

250 g

30 g

+0.05 mg ±0.23 mg≧ 10250 g

60 g+0.01 mg ±0.27 mg≧ 102

From 2E-5

The attached data sheet

Page 5 of 5
Number of certificate 000000

SAMPLE
Standard instruments
ID No.
Nominalvalue○Certificate No. 000000
Mark100 g
50 g

Conventional
mass value

Expanded
uncertainty

Uncertainty
by buoyancy

Uncertainty
by aging

Uncertainty
by standard-0.14 mg ±0.14 mg

0.00 mg

0.08 mg

0.11 mg-0.107 mg ±0.090 mg

0.002 mg

0.052 mg

0.069 mg

20 g1-0.054 mg ±0.072 mg0.001 mg

0.042 mg

0.055 mg

20 g

20.019 mg ±0.072 mg0.001 mg

0.042 mg

0.055 mg0.001 mg ±0.054 mg

0.000 mg

0.031 mg

0.041 mg

10 g

The expanded uncertainty corresponds to a level of confidence of approximately 95 % with a coveragefactor k being equal to 2.
End of the certificate.