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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJG 1056-2010 |
Verification regulation of standard hyhones in the frequency range 20 Hz to 3.15 kHz under high hydrostatic pressure (Acoustic coupler reciprocity method) 高静水压下20hz～3.15khz标准水听器检定规程（耦合腔互易法） |
China Metrological
Standards reciprocity |
 English PDF |
| JJG 790-2005 |
Verification regulation of laboratory standard microphones (coupler reciprocity method) 实验室标准传声器(耦合腔互易法) |
China Metrological
Standards reciprocity |
English PDF |
| JJG 482-2005 |
Verification regulation of laboratory standard microphones (free-field reciprocity method) 实验室标准传声器(自由场互易法)检定规程 |
China Metrological
Standards reciprocity |
English PDF |
| JJG(CB)6-1991 |
(Standard hydrophone coupled cavity reciprocity law test methods) |
China Metrological
Standards reciprocity |
English PDF |
| JJG(CB)5-1991 |
(Standard hydrophone spherical wave free field testing method reciprocity Act) |
China Metrological
Standards reciprocity |
English PDF |
| JJG(SJ)12028-1989 |
(4143-type reciprocity calibrator test procedures) |
China Metrological
Standards reciprocity |
English PDF |
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