便攜式折射儀系列-鹽度儀
RHS系列鹽度儀是為測量鹽溶液、含鹽食品及海水、鹽水的濃度而設計的。的兩條條刻度線能直接讀取溶液的比重及濃度（以千分數記）。RHS-10對于農業、食物制作及野外作業具有很大的用處，增加了溫度自動補償系統對野外作業尤其理想。


型號
測量范圍
分辨率

備注

RHS-10
Salinity: 0-100‰
Specific gravity:
1.000-1.070
Salinity: 1‰
Specific gravity:
0.001
Salinity: &plun;1‰
Specific gravity:
&plun;0.001

RHS-10
Salinity: 0-100‰
Specific gravity:
1.000-1.070
Salinity: 1‰
Specific gravity:
0.001
Salinity: &plun;1‰
Specific gravity:
&plun;0.001
帶溫度補償

RHS-28
Salinity: 0-28%
Salinity: 0.2%
Salinity: &plun;0.2%

RHS-28
Salinity: 0-28%
Salinity: 0.2%
Salinity: &plun;0.2%
帶溫度補償

RHS-10a
Salinity: 0-100‰
Brix: 0-10%
Specific gravity:
1.000-1.070
Salinity: 1‰
Brix: 0.2%
Specific gravity:
0.001
Salinity: &plun;1‰
Brix: &plun;0.2%
Specific gravity:
&plun;0.001

RHS-10b
Salinity: 0-100‰
Brix: 0-10%
Specific gravity:
1.000-1.070
Salinity: 1‰
Brix: 0.2%
Specific gravity:
0.002
Salinity: &plun;1‰
Brix: &plun;0.2%
Specific gravity:
&plun;0.002

RHS-28a
Salinity: 0-28%
Brix: 0-32%
Salinity: 0.2%
Brix: 0.2%
Salinity: &plun;0.2%
Brix: &plun;0.2%