Waterproof Digital Refractometer - Salinity trays The Fan Heat Shield blocks

The Fan Heat Shield blocks the heat generated by inline duct fans from radiating off of them

High Standards: Our lenses surpass international drop ball test standards

We recommend testing the hose for leaks before using it

Durable Vortex ImpellerBuilt to resist clogging and wear from debris and sandy water

Waterproof Digital Refractometer - Salinity trays The Fan Heat Shield blocksHoused in a protective Rubberized IP65 waterproof case to safeguard the electronics from wet environments and makes for easy clean UPS. Measure samples as small as 1 ml, in the field with laboratory accuracy. Sample temperature is initially displayed on the large LCD followed by the measurement results. The sophisticated microprocessor provides automatic calibration, automatic temperature compensation and automatic shutoff (after 3 minutes). Features