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Laboratory of Mass

There are 8 staffs working at laboratory, including doctor (Dr.), master (M.Sc), engineers and technical
- Head of Lab: Dr. Do Duc Nguyen (email : nguyendd@vmi.gov.vn)
- Office lab. address: Room 107 - building D, No 8 Hoang Quoc Viet, Cau Giay dist., Ha Noi
- Tel: (+844) 3836 1137 | Fax: (+844) 3756 4260
- Email of lab.: khoiluong@vmi.gov.vn

List of CMCs (Calibration and Measurement Capabilities)

1. Mass (E2). Mass standard, 1 mg to 100 mg
2. Mass (E2). Mass standard, 0.1 g to 1 g
3. Mass (E2). Mass standard, 1 g to 10 g
4. Mass (E2). Mass standard, 10 g to 100 g
5. Mass (E2). Mass standard, 0.1 kg to 1 kg
6. Mass (E2). Mass standard, 1 kg to 20 kg

More visit to link (BIPM): 
http://www.bipm.org/exalead_kcdb/exa_kcdb.jsp?_p=AppC&_q=VMI%2C+Mass&x=106&y=18 

Calibration and Verification capabilities, Testing capabilities

No
Measured quantities/ equipment calibrated
Range of measurement
Calibration method
The best of measurement capability/ the smallest  uncertainty of measurement (±)
1
Comparator
3g ÷ 2000 kg
V02.M-03.10
0.1 mg  ÷  30 g
2
Automatic gravimetric filling instruments
Up to  20 ton
(Flow rate up to 100 t/h)
V02.M-05.10
0.05% đến 0.1%
Mass standard weights
3
Mass standard E1
1 mg ÷ 10 kg
V02.M-01.10
 
4
Mass standard E2
1 mg ÷ 50kg
5
Mass standard F1
1 mg ÷ 50 kg
V02.M-02.10
6
Mass standard F2
1 mg ÷ 100 kg
7
Mass standard M1
1 mg ÷ 2000 kg
Non-automatic weighing instruments
8
Non-automatic weighing instruments Class 1
Up to 500 mg
V02.M-07.10
Up to  0.03 mg
1g ÷ 5g
(0.05 ÷ 0.08) mg
5g ÷ 10g
(0.08 ÷ 0.1) mg
10g ÷ 100g
(0.1 ÷ 0.2) mg
100g ÷ 200g
(0.2 ÷ 0.5) mg
200g ÷ 1000g
(0.5 ÷ 2.5) mg
9
Non-automatic weighing instruments Class 2
Đến 100g
Đến 0.5 mg
100g ÷ 200g
(0.5 ÷ 1.5) mg
200g ÷  400g
(1.5 ÷ 2.0) mg
400g ÷ 1kg
(2 ÷ 10) mg
1 kg ÷ 10 kg
(10 ÷ 100) mg
10 kg ÷ 20 kg
(100 ÷ 200) mg
20 kg ÷ 50 kg
(200 ÷ 500) mg
10
Non-automatic weighing instruments Class 3
Up to 100g
Up to 5 mg
100g ÷ 200g
(5 ÷ 15) mg
200g ÷ 400g
(15 ÷ 20) mg
400g ÷ 1 kg
(20 ÷ 100) mg
1 kg ÷ 10 kg
(100 ÷ 1000) mg
10 kg ÷ 20 kg
(1 ÷ 2) g
20 kg ÷ 50 kg
(2 ÷ 5) g
50 kg ÷ 100 kg
(5 ÷ 15) g
100 kg ÷ 500 kg
(15 ÷ 150) g
500 kg ÷ 1000 kg
(150 ÷ 250) g
1000 kg ÷ 3000 kg
(250 ÷ 500) g
3000 kg ÷ 10000 kg
(500 ÷ 1000) g
10 tấn ÷ 100 tấn
(1 ÷ 10) kg
100 tấn ÷ 150 tấn
(10 ÷ 25) kg
11
Non-automatic weighing instruments
Class 4
Up to 100 g
Up to 100 mg
100 g  ÷ 200 g
(100 ÷ 200) mg
200 g ÷ 500 g
(200 ÷ 500) mg
500 g ÷  1 kg
(500 ÷ 1000) mg
1 kg ÷  10 kg
(1 ÷ 10) g
10 kg ÷  20 kg
(10 ÷ 20) g
20 kg ÷ 50 kg
(20 ÷ 50) g
50 kg ÷ 100 kg
(50 ÷ 100) g
100 kg ÷  200 kg
(100 ÷ 200) g
200 kg ÷ 1000 kg
(0.2 ÷ 1) kg
1000 kg ÷ 2000 kg
(1 ÷ 2) kg
2000 kg ÷ 10000 kg
(2 ÷ 10) kg
10 ton ÷ 30 ton
(10 ÷ 20) kg

 

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