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| Chinese National Standard Category: Environmental monitoring instrument and its complete equipment |
| English Title: | General specification for air ion measuring instruments |
| Chinese Title: | 空气离子测量仪通用规范 |
| Standard No.: | GB/T 18809-2002 |
| Category No.: | N56 |
| Issued by: | AQSIQ |
| Issued on: | 2002-10-08 |
| Implemented on: | 2003-4-1 |
| Status: | superseded |
| Superseded by: | GB/T 18809-2019 General specification for air ion measuring instruments |
| Superseded on: | 2020-3-1 |
| Abolished on: | 2020-03-01 |
| Superseding: | |
| Word Count: | 4000 words |
| Similar Standards: | T/CAEPI 28-2020 GB 50493-2009 HJ/T 377-2007 HJ/T 372-2007 HJ/T 354-2007 HJ/T 353-2007 HJ/T 355-2007 HJ/T 356-2007 JJG 1022-2007 GB 12358-2006 GB/T 18809-2002 HJ/T 48-1999 HJ/T 46-1999 HJ/T 47-1999 CJ/T 38-1999 MT 502-1996 MT 424-1995 MT 51-1994 MT 275-1994 MT 273-1994 |
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