Purchaser: Datong Tongxing Antibiotic Co., LTD.                                Date: February 2025

Product Name: Fully Automatic Refractometer                                   Specification and Model: Digipol-R500

Datong Tongxing Antibiotic Co., Ltd. is a joint-stock enterprise specializing in the production of antibiotic raw materials. It is one of the key production backbone enterprises in Shanxi Province. The company was established in 1998 and currently has 1,016 employees. Its annual production capacity of oxytetracycline is 8,000 tons, and its comprehensive technical and economic indicators rank among the top in the same industry nationwide.

The DigiPol-R series of fully automatic refractometers are equipped with high-performance linear array CCD photosensitive components. Through high-speed and high-precision signal acquisition and analysis processing technology, they are also equipped with a semiconductor Peltier super temperature control system. It can efficiently and accurately measure the refractive index (nD) of various liquids such as transparent, semi-transparent, dark and viscous, as well as the mass fraction (Brix) of sugar solutions. Built-in Peltier temperature control improves accuracy and stability; The first domestic dual-temperature control, sapphire prism; LED cold light sources replace traditional sodium lamps and halogen tungsten lamps. Comply with 21CFR Part11 audit trail, pharmacopoeia and electronic signature; Support network printing and data statistics and retrieval; Multi-level permission management, with freely configurable permissions; 7-inch touch color screen, user-friendly operation interface; The whole 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, Datong Tongxing Antibiotic Co., LTD., for trusting the Jiahang brand and choosing Jiahang among many peers. Jiahang Instruments will surely live up to expectations. We look forward to another cooperation between Datong Tongxing Antibiotic Co., Ltd. and our company, and welcome the relevant technical personnel of Datong Tongxing Antibiotic Co., Ltd. to offer us valuable suggestions.