Hydrometers

Hydrometers are instruments that measure the specific gravity or relative density of a liquid in relation to water. Hydrometers are typically constructed of a glass cylindrical tube complete with a weighted bulb that floats in liquid.

To operate the hydrometer, you place it in the liquid and take a reading from where the hydrometer breaches the surface. This reading will give you the specific gravity of the water. In high density liquids the hydrometer will float much higher than in low density liquids.

Specialised variants are available depending on their application. For example, a lactometer is used to check the purity of dairy products whereas an alcoholmeter indicates the alcoholic strength of a liquid (where water and alcohol have been mixed).

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Description Price Maximum Specific Gravity Minimum Specific Gravity Resolution Scaling Length
RS庫存編號 380-5038
製造零件編號10/501/0
BrandBrannan
HK$111.15
單位
1°SG 0.8°SG 0.002 SG Yes 250mm
RS庫存編號 196-8193
BrandRS PRO
HK$431.47
單位
- - - - -
RS庫存編號 380-5044
製造零件編號10/502/0
BrandBrannan
HK$112.76
單位
1.2°SG 1°SG 0.002 SG Yes 250mm
RS庫存編號 380-5050
製造零件編號10/503/0
BrandBrannan
HK$112.13
單位
1.4°SG 1.2°SG 0.002 SG Yes 250mm
RS庫存編號 380-5072
製造零件編號10/404/0
BrandBrannan
HK$121.04
單位
1.1g/ml 1g/ml 0.002 g/ml Yes 250mm