Water level alarm -- simple water level station -- simple water level alarm

1. overview
This instrument is compatible with the outdoor water level signal trigger, and is widely used in river, reservoir and program street water level alarm.
The instrument alarm has sound and light voice alarm, low power supply alarm function.
2. performance and main technical parameters
2.1 display mode and content: LCD double row Chinese display screen display time, alarm type.
2.2 clock function: display time information
2.3 alarm mode: when the water level reaches or exceeds the set water level, sound and light voice alarm + power supply voltage low alarm.
2.4 signal transmission mode: wired, wireless optional one, in which the wireless signal transmission distance <300 meters.
2.5 alarm output interface: audio signal output interface: the load impedance of 600 ohm /Vpp = 1V
2.6 power supply mode: DC4.5V, 3 section ordinary 1# dry battery + AC / DC conversion module automatic switching power supply (dry battery as standby power).
2.7 working environment: ambient temperature: -10 ~ 50
Relative humidity: <95% (40)
2.8 alarm for size, weight: 240 x 170 x 60mm = 1200g (without battery)