Introduction of wireless remote water meter system equipment

1

2. Main technical indicators:

(1) power supply voltage: DC3.6V (1 lithium ion battery)

(2) rated working pressure: ≤ 1.6Mpa

(3) Ambient temperature: -30℃ ~+60℃

(4) Relative humidity: 30% ~ 95% RH

(5) Working years: 10 years.

(6) Operating frequency: 472.5 MHz

(7) Micro-emission power: ≤50mW

(8) Receiving current ≤5mA, transmitting current ≤90mA, and sleeping current ≤ 20&; Microscopic; Answer.

(9) The receiving sensitivity is higher than-100dBm.

(10) Temperature of water medium: 0℃ ~ 40℃ (cold water) and 0℃ ~ 95℃ (hot water).

B.T R- 13 1 building wireless meter reading concentrator

1. Function:

(1) You can flexibly set the management table number, electronic table number and variance compensation of the management scope.

(2) 90-day historical data can be automatically calculated and recorded every ten days, which is convenient for property companies, water supply companies, gas companies and power companies to know the detailed electricity consumption information of users in time.

(3) Support single meter reading and batch meter reading, automatically record all kinds of fault information uploaded by the meter, and automatically record whether the meter is installed.

(4) Support wireless remote transmission and manual meter reading.

2. Technical indicators:

(1) equipment model: tr-131;

(2) Interface features: the interface is compatible with the RS-485 standard of EIA/TIA and has wireless communication;

(3) Power supply voltage: 220V or solar energy;

(4) Current: Static current ≤ 5 mA; Working current: ≤ 100mA (maximum capacity is 200m).

(5) Communication mode: the upper computer can communicate wirelessly, or RS485, and the manual reader can communicate RS232; ;

(6) Isolation: the isolation voltage is 3500VRMS 500VDC continuously;

(7) Protection level: 600W lightning surge protection for each line of RS-485 interface;

(8) Working environment: temperature: -5℃~55℃, relative humidity: 5% ~ 95%.

C. Community wireless meter reading concentrator

1. Function:

(1) interface equipment is connected to the local computer host to realize the conversion between RS-232 level of computer serial port and RS-485 bus level;

(2) Half-duplex communication mode, zero-delay automatic transmission and reception direction conversion.

(3) Building concentrator data automatic copying equipment;

(4) The fast transient voltage suppressor (TVS) provides 600W surge protection power per line, which can effectively suppress lightning and ESD and prevent lightning strike and * * * grounding interference.

2. Technical indicators:

(1) equipment model: tr-135;

(2) Working power supply: 220 V;

(3) Communication mode: with the upper computer: connected to the computer host RS-232 serial port; With the lower computer: wireless communication;

(4) Maximum capacity: 3000m

(5) Working environment: temperature:-5 ~+55℃; Humidity: 5 ~ 95% RH.