MA877 Digital Refractometer SG for Saltwater by Milwaukee

Instruments.

The MR series refractometers are precision optical instruments used

for measuring aquarium water salinity. They work using principle of light refraction through liquid.

Specifications:

Range:
PSU: 0 - 50
PPT: 0 - 150
S.G.: 1.000 - 1.114

* Resolution:
PSU: 1
PPT: 1
S.G.: 0.001
Temp: 0.1 C/F

* Accuracy:
PSU: +/- 2
PPT: +/- 2
S.G.: +/- 0.002
Temp: +/- 0.3C / +/- 0.5F
Temp: 0 - 80C / 32 - 176F

* Calibration: automatic