DYS-1 Digital BarometerDetailed product description：

I. Overview
The DYS-1 digital barometer (hereinafter referred to as the instrument) adopts a new imported high-precision silicon piezoresistive sensor. It is mainly used for measuring atmospheric pressure. This instrument adopts single-chip microcomputer pressure automatic calculation, pressure correction, and temperature automatic compensation functions; It has the characteristics of high precision, light weight, small size, and easy operation; It is a portable instrument used by departments such as instrument laboratories, education, scientific research, factories and mines, environmental protection, meteorology, and sports to measure atmospheric pressure.
This instrument can also serve as a reference tool for measuring atmospheric environmental temperature.

2、 Technical parameters
Working temperature ................. -10℃ ～+40 ℃
Range ................. 600 hPa～1060 hPa
Basic error ................. ± 1.5 hPa
Resolution ................. 0.1 hPa
Power Supply. DC 4.5V (3 No. 5 batteries or external 5V regulator)
Host size ................. 220×108×50

Key Features:
1. Adopting advanced silicon pressure column precision sensors;
2. Equipped with automatic temperature compensation function;
3. It has the function of quickly correcting displayed values;
4. It has dual-use functions of AC and DC;
5. Equipped with environmental temperature measurement function