The Chinese word for instruments is
仪器

yí qì

Chinese Definition

Components
仪
1. Simplified form of 儀
器
1. device; tool; utensil; ware
器具 - utensil
2. (medicine, biology) organ
器官 - organ
3. capacity; tolerance
器量 - tolerance
4. talent; ability
大器晚成 - idiom A great talent takes time to mature.
器重 - to regard highly