FIELD: physics.
SUBSTANCE: invention relates to charge residual powder measuring device 2 including means 4 to confine first chamber 4 accommodating measured charge, means 12 to confine second chamber 11 around first chamber, means 6, 10 to create fluid layer or damp layer around first chamber 4, and means 8, 18, 20, 22 to maintain constant temperature and/or pressure outside first chamber 4 or inside second chamber 11.
EFFECT: accurate data.
26 cl, 4 dwg
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