How to calculate CRC16 and an example C language
program.
"How to use USB to 485 auxiliary debugging when
reading sensor communication has problems":
describes how to use auxiliary tools to solve and
troubleshoot when there are communication problems.
"How to use and set the product alarm function":
Describes the Optional product alarm function, how
to use it, how to wire and other issues.
5.1 Warranty and after-sales
The warranty clauses follow the sensor after-sales clauses of Weihai
Jingxun Changtong Electronic Technology Co., Ltd., two years for the
sensor host circuit part, one year for gas-sensitive probes, and
three months for accessories (housing/plugs/cables, etc.)