This desktop instrument has a built in light source.
specification:
- Power input: 110V~220V 50HZ
- Storage Temperature: 10-35°C
- Gross Weight: 750g
Sino Science & Technology Co., Ltd. is a professional designer and manufacturer of optical instruments: refractometer, microscopes and the instruments for gem testing and lab use. With abundant technology experience and strong capital ability, we are different from some other manufacturers in CHINA. All our products are manufactured by ourselves (NOT just assemble).