Hangzhou Zeda Instrument Co., Ltd. is a manufacturer of intelligent dataloggers, established in 1996 and located in Hangzhou, China. The company specializes in a range of recorders including Temperature Recorders, Humidity Recorders, CO2 Recorders, Rainfall Recorders, PH Recorders, Voltage Recorders, and Current Recorders. With technical support from Zhejiang University, their products are known for high stability, accuracy, and ease of use, featuring competitive pricing, palm-sized and self-powered designs, high precision, and large recording capacities. These instruments are widely applied across various sectors such as industrial automation, agricultural research, pharmaceutical and chemical industries, cold storage and transport, archives, environmental protection, museums, and electric power. The company employs between 11 and 50 people and operates a factory, continuously developing products to meet customer requirements.