Waterproof Digital Refractometer - Diesel Exhaust Fluid nutrient-combo This commercially-rated sensor provides accurate

This commercially-rated sensor provides accurate readings

User-Friendly Vacuum Connections (fit most vacuum pumps)

Greensand is recommended for use on lawns

promoting a broader canopy with more bud sites

Wide Range of Sizes: Catering to various needs

Waterproof Digital Refractometer - Diesel Exhaust Fluid nutrient-combo This commercially-rated sensor provides accurateHoused 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