Purchasing Manufacturer: Xinjiang Xuandong Energy Co., LTD.                           Time: May 2025

Product Name: Fully Automatic Refractometer                                                     Specification Model: Digipol-R300

Xinjiang Xuandong Energy Co., Ltd. was jointly established by Xinjiang Xuanli Environmental Protection Energy Co., LTD. (hereinafter referred to as "Xuanli Environmental Protection Energy Co., LTD."), Xinjiang Xinli Energy Development Co., Ltd. and Shandong Lujiang New and Old Kinetic Energy Fund (a state-owned asset fund initiated by the Shandong Provincial Department of Finance) in Naomao Lake Industrial Park, Yiwu County, Hami City.

The DigiPol-R series of fully automatic refractometers are equipped with high-performance linear array CCD light-sensitive components. Through high-speed and high-precision signal acquisition and analysis processing technology, they are also equipped with a semiconductor Paltier super temperature control system. It can efficiently and precisely measure the refractive index (nD) of various liquids such as transparent, semi-transparent, dark, and viscous ones, as well as the mass fraction (Brix) of sugar solutions. Built-in Peltier temperature control to enhance accuracy and stability; The first dual-temperature control sapphire prism in China; LED cold light sources replace traditional sodium lamps and halogen tungsten lamps. Complies with 21CFR Part11 audit trail, pharmacopoeia and electronic signature; Supports network printing and data statistical retrieval. Multi-level permission management, with freely configurable permissions; 7-inch touch color screen with a user-friendly operation interface; The entire machine has passed TART and CE certifications. The fully automatic refractometer is widely used in the petroleum industry, oil industry, pharmaceutical industry, food industry, daily chemical industry, sugar industry, etc. It is also one of the commonly used devices in schools and related research institutions.

Thank you, Xinjiang Xuandong Energy Co., LTD., for trusting the Jiahang brand and choosing Jiahang among many peers. Jiahang Instruments will surely live up to your expectations. We look forward to further cooperation with Xinjiang Xuandong Energy Co., Ltd. and welcome the relevant technical personnel of Xinjiang Xuandong Energy Co., Ltd. to offer us valuable suggestions.