Sper Scientific 300059 Waterproof Digital Refractometer Brix 0 to 60%, 4 1/2" x 2 1/4" x 1" (108 x 57 x 25 mm) Weight 5 oz. (141 g), Grey

Housed 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 one button calibration to distilled water and indicates when the battery is low. Powered by a rechargeable, long-life, li (lithium ion) battery providing 50, 000 tests or about half a year use on a single charge. Comes ready to use with instructions, carrying case, transfer- pipet and an AC power adapter. Dimensions: 4 ½" x 2¼" x 1 inch (108 x 57 x 25 mm) weight 5 oz. (141 G)

• WATERPROOF & DURABLE: Designed with a rugged, IP65 waterproof rubberized case, this refractometer is perfect for field use and can easily withstand wet environments.
• ACCURATE MEASUREMENTS: Measures Brix from 0 to 60%, with a resolution of 0.1% and accuracy of ±0.2%, providing precise readings for your samples.
• EASY TO USE: One-button calibration to distilled water, automatic temperature compensation, and automatic shutoff after 3 minutes for hassle-free operation.
• LONG-LASTING BATTERY: Powered by a rechargeable lithium-ion battery that provides up to 50,000 tests or approximately six months of use on a single charge.
• READY TO USE: Includes a transfer pipet, AC power adapter, carrying case, and user instructions. Backed by a 1-year warranty for peace of mind.