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Local Early Warning Systems for Flash Flood

Smart StormPanel (TW-86RP/TW-84RP)


1. Displays 11sets, 4digits, 25mm character height red LED display.

2. Dynamic displaysDynamic integrate and display 10min to 24hrs, six types of rainfall intensity and accumulated rainfall

3. Alert functionbuilt-in buzzer alert device automatically sounds alarm when values exceed pre-set threshold value.

4. Power-saving & backupin intelligent power saving mode, panel works for more than 24 hrs with built-in battery during AC power failure.

5. Data loggerbuilt-in 512k Flash memory store rainfall data for 420 days( 5min/per).

6. Dimensions650x350x60mm, wall hanging weatherproof coated aluminum frame.


Rain Gauge (TW-210S)

1. Typetipping-bucket 

2. Orifice200±6 mm 

3. Resolution0.5 mm/pulse 

4. Accuracy:≦±3 % 

5. MaterialS304stainless steel

Cable-Extension Float-Driven level transducer (TW-264S/TW-265S)

1. Typefloat operated, spring loaded (suspended by single steel cable)
2. Range

3. Resolution5 mm
4. Accuracy
± 0.1 % F.S.
5. Output
Absolute Serial Data String
6. Stilling well
:∮4~6 inch
7. Advantages

not affected by temperature, water quality or foam. Digital output not fluctuating if water level stays the same.

Wireless Transmitter (TW-348T)

1. Frequency433MHz

2. Data string header+ ID
code+ data value+CRC-16

3. RF power25 mW 

4. Power supplyDC 6V rechargeable battery or  3.6V lithium battery, replace once a year. Low maintenance cost. Could powered with 1w solar cell if necessary

Wireless Receiver (TW-348R)

1. Frequency433MHz

2. Data Rxheader+ Identifier
+ID code+ data value+CRC-16

3. Rangeby Tx power (700 m) 

4. Standby current10 mA
5. Display10mm LCD  

6. OutputRS-232/RS-485 port, ID+ data string; with additional output port for wireless rain gauge
    Which we suggest