Registration No. HOKLAS 108 Page 1 of 3 28 May 2015 Ref: HOKLAS108-13 108 CAL Hong Kong Calibration Limited 香港校正有限公司 ADDRESS 地址 : Unit 8B, 24/F., Well Fung Industrial Centre, No. 58-76, Ta Chuen Ping Street, Kwai Chung, N.T., Hong Kong. 香港新界葵涌打磚坪街 58-76 號和豐工業中心 24 字樓 8B AUTHORISED REPRESENTATIVE : Mr CHU Wai Kwong, Alan, Operation Manager 朱偉光先生 委任代表 ENQUIRY 查詢 : Mr CHU Wai Kwong, Alan, Operation Manager 朱偉光先生 Tel Fax CLIENTELE 服務對象 ACCREDITED TEST CATEGORIES 電話 傳真 : 2425 8801 : 2425 8646 : Public 公眾 : Calibration Services 校正服務 認可測試類別 SCOPE OF ACCREDITATION : Accredited activities are shown on the following pages 認可項目詳見後頁 認可範圍 * * * * * * * * Registration No. HOKLAS 108 Page 2 of 3 28 May 2015 Ref: HOKLAS108-13 108 CAL Hong Kong Calibration Limited 香港校正有限公司 TEST CATEGORY ITEM, MATERIAL OR PRODUCT TESTED SPECIFIC TEST OR PROPERTY MEASURED CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 測試類別 測試項目、材料或產品 特定測試或量度的特性 校準和測量能力* CALIBRATION SERVICES Electrical measurements 校正服務 - AC ammeters - AC voltmeters * Calibration of AC current in accordance with in-house procedure E34 over the following ranges:45 Hz to 1 kHz 30 μA to 0.33 mA 0.33 mA to 3.3 mA 3.3 mA to 33 mA 33 mA to 330 mA 330 mA to 2.2 A 0.33 μA to 0.76 μA 0.83 μA to 4.3 μA 11 μA to 40 μA 110 μA to 400 μA 0.89 mA to 2.9 mA 45 Hz to 65 Hz 2.2 A to 11 A 5.5 mA to 11 mA 65 Hz to 500 Hz 2.2 A to 11 A 6.4 mA to 16 mA 500 Hz to 1 kHz 2.2 A to 11 A 12 mA to 44 mA Calibration of AC voltage in accordance with in-house procedure E32 over the following ranges:45 Hz to 10 kHz 3 mV to 33 mV 33 mV to 330 mV 0.33 V to 3.3 V 3.3 V to 33 V 29 μV to 80 μV 43 μV to 220 μV 0.21 mV to 1.3 mV 2.5 mV to 16 mV 10 kHz to 20 kHz 33 mV to 330 mV 0.33 V to 3.3 V 3.3 V to 33 V 63 μV to 400 μV 0.4 mV to 3.2 mV 6.3 mV to 33 mV 20 kHz to 50 kHz 33 mV to 330 mV 0.33 V to 3.3 V 3.3 V to 33 V 110 μV to 660 μV 0.93 mV to 5.6 mV 14 mV to 80 mV 45 Hz to 1 kHz 33 V to 330 V 330V to 1020 V 30 mV to 200 mV 290 mV to 720 mV 1 kHz to 10 kHz 33 V to 330 V 50 mV to 330 mV THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION. Registration No. HOKLAS 108 Page 3 of 3 28 May 2015 Ref: HOKLAS108-13 108 CAL Hong Kong Calibration Limited 香港校正有限公司 TEST CATEGORY ITEM, MATERIAL OR PRODUCT TESTED SPECIFIC TEST OR PROPERTY MEASURED CALIBRATION AND MEASUREMENT CAPABILITY (CMC)* 測試類別 測試項目、材料或產品 特定測試或量度的特性 校準和測量能力* CALIBRATION SERVICES (cont’d) Electrical measurements (cont’d) 校正服務(續上) - DC ammeters Calibration of DC current in accordance with in-house procedure E33 over the following ranges:0.19 mA to 3.3 mA 3.3 mA to 33 mA 33 mA to 330 mA 0.33 A to 2.2 A 2.2 A to 11 A - DC ohmmeters Calibration of resistance in accordance with in-house procedure E35 over the following ranges:1 Ω to 11 Ω 11 Ω to 33 Ω 33 Ω to 110 Ω 110 Ω to 330 Ω 0.33 kΩ to 1.1 kΩ 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 0.33 MΩ 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 - DC voltmeters 9.4 mΩ to 11 mΩ 19 mΩ to 22 mΩ 21 mΩ to 29 mΩ 30 mΩ to 53 mΩ 0.11 Ω to 0.19 Ω 0.19 Ω to 0.43 Ω 1.1 Ω to 1.9 Ω 1.9 Ω to 4.3 Ω 12 Ω to 22 Ω 25 Ω to 53 Ω 0.12 kΩ to 0.25 kΩ 0.39 kΩ to 0.70 kΩ 3.0 kΩ to 8.3 kΩ 22 kΩ to 43 kΩ 0.21 MΩ to 0.65 MΩ Calibration of DC voltage in accordance with in-house procedure E31 over the following ranges:30 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 1020 V * 0.09 μA to 0.56 μA 0.66 μA to 4.0 μA 7.9 μA to 43 μA 0.17 mA to 0.82 mA 2.0 mA to 8.0 mA 7.5 μV to 27 μV 40 μV to 200 μV 0.63 mV to 2.1 mV 6.3 mV to 23 mV 29 mV to 69 mV THE CALIBRATION UNCERTAINTY OF A DEVICE UNDER TEST IS USUALLY REPORTED AT 95% CONFIDENCE LEVEL AND DEPENDS ON BOTH THE CMC OF THE LABORATORY AND THE PERFORMANCE OF THE DEVICE DURING CALIBRATION.