BIPM - Calibrations

Calibration and characterization certificates: China

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2010

No. 15	Ionization chamber PTW 30012, No. 163 in a ⁶⁰Co gamma-ray beam	NIM, China
No. 14	Ionization chamber PTW 30010, No. 2369 in a ⁶⁰Co gamma-ray beam	NIM, China
No. 13	Ionization chamber NE 2571, No. 708 in a⁶⁰Co gamma-ray beam	NIM, China
No. 12	Ionization chamber Radcal RC6M, No. 9066 in mammography x-rays	NIM, China
No. 11	Ionization chamber Radcal RC6M, No. 9066 in low-energy x-rays	NIM, China

2009

No. 58	1 kg mass prototype, No. 64	China
No. 57	1 kg mass prototype, No. 60	China

2005

No. 11

Helium-neon laser at 633 nm, NIM D1

2004

No. 22	Volume magnetic susceptibility, NIM-Ti	NIM, China
No. 21	Volume magnetic susceptibility, NIM-A1ac	NIM, China