Seawater Specific Gravimeter/Salinity Refractometer ( Gravimeter Spesifik Air Laut atau Refractometer Salinitas ); GMK-500/510.

USES :
With checking out the specific gravity or the salt density of seawafer accurately and quickly,
- To control the environment of raising fishes, shellfishes and etc,
- To investigate the fishing places.
- To research the water quality of sea
FEATURES.
1. Useful for measuring the specific gravity or the salt density of seawater.
2. Easy to use quick to read and compact
3. Using the phenomenon of light refraction.
4. Calibration by distilled water.
5. Automatic temperature compensation.
6. Low battery sign appears.
SPECIFICATIONS

GMK-500 GMK-510 :
1. Measuring Range 1.000~1.070 0~1000/00
(PER-MILL)
2. Accuracy +/-0.002% +/-20/00
3. Resolution 0.001 10/00
4. Display Digital LCD
5. Operating Temperature 5ÚC~40ÚC
6. Power Source Battery 9V x 1EA
7. Dimensions 154(L)×108(W)×43(H)mm
8. Gross Weight Approx. 1Kg