英国Index Instruments
Index Instrument公司是世界上第一家生产如此高精度折光仪并最先获得由英国科技集团（BTG）授权执照的的商业公司。通过与英国物理实验室（NPL）的通力合作，Index Instruments公司率先树立起了这个行业的新标准，并成功生产出了世界上最高准确度的商用折光仪。
Index Instruments, have been making refractometers since 1975 and offer a wealth of experience in this specialised field of scientific instrumentation.

All of our equipment is designed with simplicity of use in mind. With their automatic control routines, even unskilled personnel can obtain quick, accurate results, freeing qualified technicians or chemists for
other work. Training time is minimised and maintenance costs are very low.

We spend a high proportion
of our turnover in a
programme of continuous research and development
to improve and innovate
our products.