Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
DC voltage
0 mV to < 330 mV
0.33 V to < 3.3 V
3.3 V to < 33 V
33 V to < 330 V
330 V to 1 020 V
AC voltage
1 mV to < 33 mV
10 Hz to 45 Hz
> 45 Hz to 10 kHz
> 10 kHz to 20 kHz
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
> 100 kHz to 500 kHz
Temporary
Best Measurement
Capability*
70 µV/V + 3.9 µV
58 µV/V + 6.1 µV
58 µV/V + 59 µV
64 µV/V + 0.59 mV
64 µV/V + 1.9 mV
4.1 mV/V + 24 µV
1.8 mV/V + 24 µV
2.3 mV/V + 24 µV
2.9 mV/V + 24 µV
4.1 mV/V + 39 µV
12 mV/V + 70 µV
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method :
CP-01-101 by applying
known voltage from
multi - product calibrator
In-house method :
CP-01-102 by applying
known voltage from
multi - product calibrator
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 1/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
AC voltage (cont.)
33 mV to < 330 mV
10 Hz to 45 Hz
> 45 Hz to 10 kHz
> 10 kHz to 20 kHz
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
> 100 kHz to 500 kHz
0.33 V to < 3.3 V
10 Hz to 45 Hz
> 45 Hz to 10 kHz
> 10 kHz to 20 kHz
> 20 kHz to 50 kHz
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
2.9 mV/V + 58 µV
0.58 mV/V + 24 µV
1.2 mV/V + 24 µV
1.9 mV/V + 47 µV
2.8 mV/V + 0.20 mV
8.1 mV/V + 0.39 mV
In-house method :
CP-01-102 by applying
known voltage from
multi - product calibrator
1.8 mV/V + 0.29 mV
0.35 mV/V + 73 µV
0.93 mV/V + 72 µV
1.7 mV/V + 0.35 mV
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 2/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
AC voltage
0.33 V to < 3.3 V (cont.)
> 50 kHz to 100 kHz
> 100 kHz to 500 kHz
3.3 V to < 33 V
10 Hz to 45 Hz
> 45 Hz to 10 kHz
> 10 kHz to 20 kHz
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
33 V to < 330 V
45 Hz to 1 kHz
> 1 kHz to 10 kHz
> 10 kHz to 20 kHz
Temporary
Mobile
Best Measurement
Capability*
Standard/Technique/
Method/Equipment/Remark
2.8 mV/V + 2.0 mV
5.8 mV/V + 3.9 mV
In-house method :
CP-01-102 by applying
known voltage from
multi - product calibrator
1.8 mV/V + 2.9 mV
0.47 mV/V + 0.78 mV
0.93 mV/V + 3.1 mV
2.2 mV/V + 5.8 mV
2.8 mV/V + 20 mV
0.58 mV/V + 7.8 mV
0.93 mV/V + 18 mV
1.1 mV/V + 39 mV
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 3/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
AC voltage (cont.)
330 V to 1020 V
45 Hz to 1 kHz
> 1 kHz to 5 kHz
> 5 kHz to 10 kHz
DC current
0 mA to < 3.3 mA
3.3 mA to < 33 mA
33 mA to < 330 mA
330 mA to < 2.2 A
2.2 A to 11 A
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
0.58 mV/V + 93 mV
2.4 mV/V + 0.12 V
2.4 mV/V + 0.58 V
In-house method :
CP-01-102 by applying
known voltage from
multi - product calibrator
In-house method : CP0.16 mA/A + 58 nA 01-103 by applying known
0.12 mA/A + 0.29 µA current from multi 0.12 mA/A + 3.9 µA product calibrator
0.35 mA/A + 52 µA
0.70 mA/A + 0.39 mA
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 4/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
AC current
0.029 mA to < 0.33 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 1 kHz
> 1 kHz to 5 kHz
> 5 kHz to 10 kHz
0.33 mA to < 3.3 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 1 kHz
> 1 kHz to 5 kHz
> 5 kHz to 10 kHz
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-104 by applying known
current from multi 2.9 mA/A + 0.18 µA product calibrator
1.5 mA/A + 0.18 µA
1.5 mA/A + 0.29 µA
4.7 mA/A + 0.18 µA
15 mA/A + 0.18 µA
2.3 mA/A + 0.35 µA
1.2 mA/A + 0.35 µA
1.2 mA/A + 0.35 µA
2.3 mA/A + 0.35 µA
7.0 mA/A + 0.35 µA
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 5/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
AC current (cont.)
3.3 mA to < 33 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 1 kHz
> 1 kHz to < 5 kHz
> 5 kHz to 10 kHz
33 mA to < 330 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 1 kHz
> 1 kHz to 5 kHz
> 5 kHz to 10 kHz
Temporary
Best Measurement
Capability*
2.3 mA/A + 3.5 µA
1.2 mA/A + 3.5 µA
1.1 mA/A + 3.5 µA
2.3 mA/A + 3.5 µA
7.0 mA/A + 3.5 µA
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-104 by applying known
current from multi product calibrator
2.3 mA/A + 35 µA
1.2 mA/A + 35 µA
1.1 mA/A + 35 µA
2.3 mA/A + 35 µA
7.0 mA/A + 35 µA
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 6/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
AC current (cont.)
0.33 A to < 2.2 A
10 Hz to 45 Hz
> 45 Hz to 1 kHz
> 1 kHz to 5 kHz
2.2 A to 11 A
45 Hz to 65 Hz
> 65 Hz to 500 Hz
> 500 Hz to 1 kHz
DC Resistance
0 Ω to < 11 Ω
11 Ω to < 33 Ω
33 Ω to < 110 Ω
110 Ω to < 330 Ω
330 Ω to < 1.1 kΩ
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-104 by applying known
2.3 mA/A + 0.35 mA current from multi 1.2 mA/A + 0.35 mA product calibrator
8.7 mA/A + 0.35 mA
0.70 mA/A + 2.4 mA
1.2 mA/A + 2.4 mA
3.9 mA/A + 2.4 mA
0.14 mΩ/Ω + 9.3 mΩ
0.14 mΩ/Ω + 18 mΩ
0.11 mΩ/Ω + 18 mΩ
0.11 mΩ/Ω + 18 mΩ
0.11 mΩ/Ω + 70 mΩ
In-house method : CP01-105 by applying known
Resistance from multi product calibrator
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 7/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Measuring Instrument
DC Resistance (cont.)
1.1 kΩ to < 3.3 kΩ
3.3 kΩ to < 11 kΩ
11 kΩ to < 33 kΩ
33 kΩ to < 110 kΩ
110 kΩ to < 330 kΩ
330 kΩ to < 1.1 MΩ
1.1 MΩ to < 3.3 MΩ
3.3 MΩ to < 11 MΩ
11 MΩ to < 33 MΩ
33 MΩ to < 110 MΩ
110 MΩ to 330 MΩ
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
0.11 mΩ/Ω + 70 mΩ
0.11 mΩ/Ω + 0.70 Ω
0.11 mΩ/Ω + 0.70 Ω
0.13 mΩ/Ω + 7.0 Ω
0.14 mΩ/Ω + 7.0 Ω
0.18 mΩ/Ω + 64 Ω
0.18 mΩ/Ω + 65 Ω
0.70 mΩ/Ω + 0.64 kΩ
1.2 mΩ/Ω + 0.64 kΩ
5.8 mΩ/Ω + 6.4 kΩ
5.8 mΩ/Ω + 20 kΩ
In-house method : CP01-105 by applying known
Resistance from multi product calibrator
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 8/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Generating Instrument
DC voltage source/
DC voltage calibrator
0 mV to 100 mV
> 0.1 V to 1 V
> 1 V to 10 V
> 10 V to 100 V
> 100 V to 1 000 V
AC voltage source/
AC voltage calibrator
10 mV to 100 mV
10 Hz to 40 Hz
> 40 Hz to 1 kHz
> 1 kHz to 20 kHz
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-201 by direct
measurement with 8 !
digits digital multimeter
5.8 µV/V + 1.7 µV
4.7 µV/V + 1.7 µV
4.7 µV/V + 1.8 µV
7.0 µV/V + 35 µV
21 µV/V + 0.14 mV
81 µV/V + 4.8 µV
81 µV/V + 2.5 µV
0.17 mV/V + 2.4 µV
0.35 mV/V + 2.5 µV
0.93 mV/V + 2.5 µV
In-house method : CP01-202 by direct
measurement with 8 !
digits digital multimeter
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 9/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
Generating Instrument
AC voltage source/
AC
voltage calibrator
10 mV to 100 mV (cont.)
3.5 mV/V + 12 µV
> 100 kHz to 300 kHz
12 mV/V + 13 µV
> 300 kHz to 1 MHz
> 0.1 V to 1 V
81 µV/V + 47 µV
10 Hz to 40 Hz
> 40 Hz to 1 kHz
81 µV/V + 24 µV
> 1 kHz to 20 kHz
0.17 mV/V + 24 µV
0.35 mV/V + 24 µV
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
0.93 mV/V + 24 µV
3.5 mV/V + 0.12 mV
> 100 kHz to 300 kHz
12 mV/V + 0.13 mV
> 300 kHz to 1 MHz
In-house method : CP01-202 by direct
measurement with 8 !
digits digital multimeter
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 10/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Temporary
Best Measurement
Capability*
Standard/Technique/
Method/Equipment/Remark
Generating Instrument
AC voltage source/
AC
voltage calibrator (cont.)
> 1 V to 10 V
10 Hz to 40 Hz
> 40 Hz to 1 kHz
> 1 kHz to 20 kHz
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
> 100 kHz to 300 kHz
> 300 kHz to 1 MHz
Mobile
In-house method : CP01-202 by direct
measurement with 8 !
digits digital multimeter
81 µV/V + 0.47 mV
81 µV/V + 0.24 mV
0.17 mV/V + 0.24 mV
0.35 mV/V + 0.24 mV
0.93 mV/V + 0.24 mV
3.5 mV/V + 1.2 mV
12 mV/V + 1.3 mV
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 11/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Temporary
Best Measurement
Capability*
Standard/Technique/
Method/Equipment/Remark
Generating Instrument
AC voltage source/
AC
voltage calibrator (cont.)
> 10 V to 100 V
10 Hz to 40 Hz
> 40 Hz to 1 kHz
> 1 kHz to 20 kHz
> 20 kHz to 50 kHz
> 50 kHz to 100 kHz
> 100 V to 700 V
40 Hz to 1 kHz
Mobile
In-house method : CP01-202 by direct
measurement with 8 !
digits digital multimeter
0.23 mV/V + 4.7 mV
0.23 mV/V + 2.4 mV
0.23 mV/V + 2.4 mV
0.41 mV/V + 2.4 mV
1.4 mV/V + 2.4 mV
0.47 mV/V + 24 mV
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 12/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Generating Instrument
DC current source/
DC current calibrator
0 µA to 100 µA
> 0.1 mA to 1 mA
> 1 mA to 10 mA
> 10 mA to 100 mA
> 0.1 A to 1 A
AC current source/
AC current calibrator
0.1 mA to 1 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 100 Hz
> 100 Hz to 5 kHz
Temporary
Best Measurement
Capability*
23 µA/A + 0.93 nA
23 µA/A + 5.8 nA
23 µA/A + 58 nA
41 µA/A + 0.58 µA
0.13 µA/A + 12 µA
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-203 by direct
measurement with 8 !
digits digital multimeter
In-house method : CP01-204 by direct
measurement with 8 !
4.7 mA/A + 0.23 µA digits digital multimeter
1.8 mA/A + 0.23 µA
0.70 mA/A + 0.23 µA
0.35 mA/A + 0.23 µA
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 13/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Generating Instrument
AC current source/
AC current calibrator
0.1 mA to 1 mA (cont.)
> 5 kHz to 10 kHz
> 1 mA to 10 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 100 Hz
> 100 Hz to 5 kHz
> 5 kHz to 10 kHz
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-204 by direct
measurement with 8 !
0.70 mA/A + 0.23 µA digits digital multimeter
4.7 mA/A + 2.3 µA
1.8 mA/A + 2.3 µA
0.70 mA/A + 2.3 µA
0.35 mA/A + 2.3 µA
0.70 mA/A + 2.3 µA
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 14/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Generating Instrument
AC current source/
AC current calibrator
(cont.)
> 10 mA to 100 mA
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 100 Hz
> 100 Hz to 5 kHz
> 5 kHz to 10 kHz
> 0.1 A to 1 A
10 Hz to 20 Hz
> 20 Hz to 45 Hz
> 45 Hz to 100 Hz
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-204 by direct
measurement with 8 !
digits digital multimeter
4.7 mA/A + 23 µA
1.8 mA/A + 23 µA
0.70 mA/A + 23 µA
0.35 mA/A + 23 µA
0.70 mA/A + 23 µA
4.7 mA/A + 0.23 mA
1.9 mA/A + 0.23 mA
0.93 mA/A + 0.23 mA
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 15/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
CALIBRATION 0026
Permanent
Site
Parameter/Range/Item
Generating Instrument
AC current source/
AC current calibrator
> 0.1 A to 1 A (cont.)
> 100 Hz to 5 kHz
> 5 kHz to 10 kHz
DC Resistance, 4-wire
0 Ω to 10 Ω
> 10 Ω to 100 Ω
> 0.1 kΩ to 1 kΩ
> 1 kΩ to 10 kΩ
> 10 kΩ to 100 kΩ
> 0.1 MΩ to 1 MΩ
> 1 MΩ to 10 MΩ
> 10 MΩ to 100 MΩ
Temporary
Best Measurement
Capability*
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-204 by direct
measurement with 8 !
1.2 mA/A + 0.23 mA digits digital multimeter
3.5 mA/A + 0.23 mA
18 µΩ/Ω + 59 µΩ
14 µΩ/Ω + 0.58 mΩ
12 µΩ/Ω + 0.60 mΩ
12 µΩ/Ω + 6.4 mΩ
12 µΩ/Ω + 60 mΩ
18 µΩ/Ω + 2.7 Ω
58 µΩ/Ω + 0.12 kΩ
0.58 mΩ/Ω + 1.2 kΩ
In-house method : CP01-205 by direct
measurement with 8 !
digits digital multimeter
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Issue No. 4
Page 16/17
Issue Date
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
July 2007
Scope of Accreditation for Calibration
Laboratory Name :
Test Equipment Calibration Laboratory
Aeronautical Radio of Thailand Limited
Premises
:
Accreditation No. :
Laboratory Status :
CALIBRATION 0026
Permanent
Site
Temporary
Parameter/Range/Item
Best Measurement
Capability*
Generating Instrument
DC Resistance, 4-wire (cont.)
> 0.1 GΩ to 1 GΩ
5.8 mΩ/Ω + 13 kΩ
Field of
Measurement
Electrical
(cont.)
102 Ngamduplee, Tungmahamek, Sathorn, Bangkok, Thailand
Mobile
Standard/Technique/
Method/Equipment/Remark
In-house method : CP01-205 by direct
measurement with 8 !
digits digital multimeter
* expressed as an uncertainty (+) which for k = 2, providing a level of confidence of approximately 95%
Date of Issue
:
July 2007
Signature :
(Issra Shoatburakarn)
Deputy Permanent Secretary for Industry
Chairman, Ministerial Cluster
for Industrial and Entrepreneurial Promotion
Chairman of Industrial Product Standards Council
Initial Date of Issue
10th October 2001
Page 17/17
Thai Laboratory Accreditation Scheme, Thai Industrial Standards Institute, Ministry of Industry
Issue No.4