Seawater Specific Gravimeter/Salinity Refractometer ; GMK-500/510.

USES :
With checking out the specific gravity or the salt density of seawater accurately and quickly
- To control the environment of raising fishes, shellfishes & 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.