Excellent chemical resistance. Made of borosilicate glass and and high chemical resistance materials. High reproducibility of the measurements. Re-circulable valve that prevents liquid leaks. Security lock. Includes calibration tool and 4 universal adapters for bottles. Easy to clean and maintain due to a springless valve design. This instrument is designed for dispensing liquids, under the following conditions of use: temperature range: 15 to 40 °C (instrument and reagent), vapor pressure up to 500 mbar, density up to 2.2 g/cm³ and viscosity up to 500 mm²/s. Warranty 2 years. Each dispenser has been calibrated individually as per EN-ISO 8655. It has a unique serial number engraved and is delivered with a calibration certificate. Check the complete table of chemical compatibilities on our website www.labbox.com