Heat, Moisture and Physical Chemistry

The metrological laboratory of Heat, Moisture and Physical Chemistry under QUATEST 1, has been equipped with measuring standards in the fields of heat, moisture and physical chemistry to serve the state management and also provide services in verification, calibration, testing and training…in this domains.

There are 5 staffs in the laboratory:

Mr. Nguyen Duy Thao – 0912.721.615 – Head of laboratory

Mr. Tong Van Viet – 0912.789.898

Mr. Nguyen Duc Hien – 0980.199.273

Mr. Vu Truong Tam – 0987.899.383

Mr. Nguyen Manh Cuong – 0975.623.517

With available standard equipment, the laboratory has the capacities in:

I.  Verification of measurement means

No

Measurement means

Measurement range

Accuracy/

Uncertainty

1.

Liquid-in-Glass Thermometer

(-40 ~ 420) oC

± 0,3 oC

2

Mercury-in-glass Thermometer

(35 ~ 42) oC

+ 0,1 oC

- 0,15 oC

3.

Thermocouples

(35 ~ 42) oC

± 0,15 oC

4.

Moisture meters for seeds (paddy rice, rice, maize and coffee).

(6 ~ 30) %

1; 2

5.

Hydrometer

(600 ~ 2 000) kg/m3

± 0,5 kg/m3

6.

pH meter

Độ pH: (0 ~ 14)

± 0,01

7.

Electrolytic conductivity meter

(0 ~ 500) mS/cm

± 0,5 %

8.

Turbidity meter

(0 ~ 4 000) NTU

± 5 %

9.

Dissolved oxygen meter

(0 ~ 20) mg/l

± 6 %

 

II.  Calibration of measurement means

No

Measurement means

Measurement range

Accuracy/

Uncertainty

1.

Liquid-in-glass thermometer

(-40 ~ 140) oC

0,15 oC

(140 ~ 420) oC

0,30 oC

2.

Digital and Analog thermometer

(-40 ~ 140) oC

0,10 oC

(140  ~ 420) oC

0,30 oC

(420 ~ 650) oC

0,45 oC

(650 ~ 1 200) oC

4,00 oC

3.

Industrial platinum resistance thermometer

(-40 ~ 140) oC

0,15 oC

(140 ~ 420) oC

0,30 oC

(420 ~ 650) oC

0,45 oC

4.

Incubator, BOD box, heat box

(-40 ~ 0) oC

1,50 oC

(0  ~ 70) oC

0,40 oC

(70  ~ 150) oC

0,70 oC

(150  ~ 300) oC

0,90 oC

5.

Lò hiệu chuẩn nhiệt kiểu khô (Thermo chamber?)



(-40 ~ 140) oC

0,10 oC

(140 ~ 650) oC

0,30 oC

(650 ~ 1 200) oC

1,00 oC

6.

Thermo-transmitters

(-40 ~ 140) oC

0,25 oC

(140 ~ 420) oC

0,35 oC

(420 ~ 650) oC

0,47 oC

(650 ~ 1 200) oC

4,00 oC

7.

Digital and Analog Indicator

(-200 ~ 700) oC  đối với RTD

0,10 oC

(-200 ~ 1 600) oC  đối với TC

0,33 oC

8.

Industrial Thermocouple

(-40 ~ 140) oC

0,20 oC

(140 ~ 420) oC

0,45 oC

(420 ~ 650) oC

0,50 oC

(650 ~ 1 200) oC

3,30 oC

9.

Industrial Radiation Thermometer

(50 ~ 1 200) oC

0,5 oC

10.

Thermo - hygrometer

Nhiệt độ: (5 ~ 85) oC

Độ ẩm: (10 ~ 95) %RH

± 0,2 oC

± 0.5 %

11.

pH meter

(0 ~ 14)

0,01

12.

Electrolytic conductivity meter

1 mS/cm ~

200 mS/cm

0,2 %

13.

Kinematic viscometer

(0 ~ 100 000) mPa.s

0,5 %

14.

Refractometers for measurement of sugar/salt content

Chỉ tiêu đường:

(0 ~ 50) %

0,05 %

Chỉ tiêu muối:

(0 ~ 30) %

0,05 %

15.

Hygrometer

(600 ~ 2 000)

kg/m3

0,0001 kg/m3

16.

Turbidity meter

(0 ~ 4 000)

NTU

5 %

17.

Moisture meters for seeds (paddy rice, rice, maize and coffee).

(5 ~ 30) %

0,2 %

18.

Dissolved oxygen meter

(0 ~ 20) mg/L

2 %

19.

Nhớt kế mao quản thủy tinh

(0,002 ~ 20) mm2/s2

0,2 %

20.

 Total dissolved solids meter

(0 ~ 20 000) mg/L

0,5 %

21.

Chlorin content meter

(0 ~ 5) mg/L

0,01 mg/L

22.

UV Spectrometer

(200 ~ 900) nm
(0 ~ 2) Abs

± 0,5 nm

±  0,01 A

23.

Atomic absorption spectrometer AAS

As, Pb, Cu, Zn, Fe, Hg, Cr(VI), Na, K, Ca,...

± 0,1 mg/L

24.

HPLC

Các máy sắc ký lỏng có áp suất hoạt động ≥ 400 bar

 

25.

Gas Chromatography

Các máy sắc ký khí có khả năng điều khiển khí bằng điện tử.

 

26.

Noise meter

(35 ~ 130) dB

± 0,5 dB

 

The laboratory has been granted by BOA since 05/04/2006 in the field of metrology and calibration with the code VILAS 216.

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