execution standard：

GB135801.1-13580.13Sampling and Analysis Methods for Atmospheric Precipitation

HJ/T174-2005Technical Requirements and Testing Methods for Rainfall Automatic Samplers

GB/T 19117-2017Specification for Acid Rain Observation

Scope of Application：

This instrument is suitable for automatic rainfall sampling at all levels of environmental monitoring stations and research institutes.

Main Features：

1，Adopting advanced embedded systems with good performance, comprehensive functions, and watchdog function to ensure high reliability of the instrument, as well as snow melting, anti freezing, and ventilation functions;

2，All structural components of the product are made of stainless steel material, which can withstand long-term exposure to sunlight and rain;

3，Comb shaped rain sensor, high sensitivity, can prevent debris and bird droppings from falling and causing misoperation;

4，The display screen of the instrument control part adopts backlit LCD character display, which enables the outdoor sampler to display real-time information clearly even in low light or strong light;

5，The lid of the acid rain bucket adopts a four-bar linkage transmission mechanism, which automatically moves in an arc after receiving precipitation information, accurately and smoothly covering the acid rain bucket in the sponge body of the lid, ensuring the sealing of the rain bucket, and thus ensuring the cleanliness and dust-free of the rain bucket when windy;

6，Double bucket type, capable of collecting rainwater and dust;

7，High sensitivity and adjustable switch cover delay time;

8，Can automatically store and query 200 pieces of rainfall information (rainfall start time and duration);

9，Users can choose to have or not have automatic rainfall measurement and storage function.

Main parameters：