Waterproof Digital Refractometer - Salinity X Nutrients Grow Spray 1 Gal The grille is constructed from

The grille is constructed from strong and durable steel

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System cover: BPA-free plastic

What's more

Its robust design ensures that it can be relied upon season after season

Waterproof Digital Refractometer - Salinity X Nutrients Grow Spray 1 Gal The grille is constructed fromHoused 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