The fire hydrant intelligent monitoring terminal series products are installed on the hydrant flange, and are used to monitor the water pressure, water leakage, flow, impact and tilt of the fire hydrant in real time. Through the narrowband Internet of Things (NB-IoT) wireless remote transmission method, the monitoring data is automatically uploaded to the management platform. Through the management platform, it is possible to centrally manage the entire fire hydrant, and to check the real-time monitoring data of the fire hydrant at any time; to accurately and quickly locate and navigate the fire hydrant that has alarmed or malfunctioned, and through the mobile phone APP, it is convenient for the staff to conduct pipeline network inspections, and quickly dispatch orders for maintenance. So as to realize the real "smart firefighting". The products are divided into upper flange, lower flange and stuffy cover series, which can be used for the intelligent transformation of various old fire hydrants on urban roads and used by fire hydrant manufacturers to produce various types of intelligent fire hydrants.

Product advantages

◆Advanced technology. The pressure transmitter used in the product is packaged with a metal-based pressure-sensitive chip independently developed and produced by Qitai. Qitai Sensing is the first manufacturer in China that can mass produce the chip, and the chip quality has reached the world's first-class level.

◆Reasonable structure, built-in structure, difficult to destroy, easy to install, no need to change the existing structure of the fire hydrant, no need to break the soil when installing the upper flange and middle flange structure.

◆High comprehensive cost performance

◆Good long-term stability, high reliability, low false alarm rate, anti-corrosion, anti-rust, compact.

◆Low power consumption, long service life, easy maintenance, can automatically prompt to replace the battery, emergency battery to ensure uninterrupted data collection in severe weather.

◆The fire hydrant intelligent monitoring terminal is easy to install and does not need to change the original fire hydrant structure.

◆ Qitai provides full solutions from chip to sensor to fire hydrant intelligent monitoring terminal.

◆Can be customized according to customer needs.

◆Quality controllable, from chip to sensor packaging, completely independent production.

◆Data communication protocol can be provided to customers for secondary development to facilitate the docking of various application systems.

Product Features

◆Water pressure monitoring function

◆Undervoltage alarm function

◆High voltage alarm function

◆Water intake monitoring function

◆Water leakage alarm function

◆Knock down alarm function

◆Low temperature alarm function

◆Flow monitoring function

◆Signal strength display

◆Battery power monitoring alarm

◆Pressure sensor failure monitoring

◆Support positioning and navigation function

◆Support data reporting heartbeat settings

◆Support ip address change

technical parameter

Pressure range	0 ～ 1.6MPa
Overload pressure	2 times
Precision	±0.5%FS
stability	±0.1%FS/ year
supporting agreement	TCP/IP-V4 or V6 protocol
Maximum transmit power	25DB
Receiving sensitivity	-130DB
Time drift	±0.1%FS
Antenna interface	IPEX1
NB-IOT support frequency band	National Three Netcom: B1 @H-FDD: 2100MHz B3 @H-FDD: 1800MHz B8 @H-FDD: 900MHz B5 @H-FDD: 850MHz B20 @H-FDD: 800MHz B28 @H-FDD: 700MHz
Communication card interface	USIM
Certified Operator	China Mobile, China Unicom
Data upgrade method	UART
ESD characteristics	Contact ±4kV, air ±8kV
Protection level	IP68
temperature range	-25℃～+85℃
Service life	≥5 years
Signal output	NB-IoT wireless remote signal transmission
Data transmission interval	When the detected data is normal, the data will be sent every 4 hours, such as when the detected data is abnormal, the data will be sent in real time
Power consumption	Standby of the whole machine		8uA
	Communication data transmission	maximum	250mA
		The smallest	90mA
	System inspection		12mA

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QTC400 series fire hydrant intelligent monitoring terminal

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