serial number	name	specification
1	Gas temperature sensor	Range: 0-100 ℃ Type: PT100 Accuracy: ± 0.1 ℃ Display accuracy: 0.01 ℃
2	Gas pressure sensor	Range: 0-7kPa Accuracy: 0.2% FS Display accuracy: 0.01kPa
3	Primary pressure sensor	Range: 0-7kPa Accuracy: 0.2% FS Display accuracy: 0.01kPa
4	Secondary pressure sensor	Range: 0-2kPa Accuracy: 0.5% FS Display accuracy: 0.01kPa
5	Gas pressure regulating valve	0.5～50mbar
6	Inlet and outlet water temperature sensor	Range: 0-100 ℃ Type: PT100 Accuracy: ± 0.1 ℃ Display accuracy: 0.01 ℃
7	Water outlet temperature sensor	Range: 0-100 ℃ Type: T-shaped Accuracy: ± 0.5 ℃ Display accuracy: 0.01 ℃
8	Inlet and outlet water pressure sensor	Range: 0-1.6 MPa Accuracy: 0.5% FS Display accuracy: 0.01MPa
9	Inlet pressure regulating valve	0.07~1.7MPa
10	Atmospheric pressure sensor	Range: 0-210kPa Accuracy: 0.2% FS Display accuracy: 0.01kPa
11	Environmental temperature and humidity sensor	Range: Humidity: 0-100% Range: Temperature: 0-50 ℃
12	Smoke exhaust temperature sensor	Range: 0-450 ℃ Type: T-shaped Accuracy: ± 0.5 ℃ Display accuracy: 0.01 ℃

serial number	name	test item
1	GB6932-2015	Thermal efficiency test Heat load test Hot water production rate Hot water stabilization time&water temperature overshoot Stop water and increase temperature heating time
2	EN26-2015	Thermal efficiency test Heat load test
3	10CFR Pt.430 Subpt.B APP.E（American Standard）-2022	Maximum GPM testing DOE 24-hour energy efficiency test
4	AS5263.1.2-2016	Hot state heat load test Cold state heat load test Start water heating capacity test energy efficiency test
5	EN13203-2&Regulation 812、814(ERP)	24-hour energy efficiency test
6	T/CAQI 263-2022 (Group Standard)	Sine wave test Square wave fluctuation test