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  • Product Name: RK400-04 Tipping Bucket Rainfall Sensor

RK400-04 Economical Tipping Bucket Rainfall Sensor is a hydrology, meteorological instrument used to measure the nature of rainfall, and it converts the precipitation into a pulse signal output. Designed with insect-proof nets, free blocking nozzle and built-in leveller. The model can be used in meteorology, hydrology, agriculture, forestry, field monitoring stations and other industries .Combined with rainfall recorder can be used to measure measure precipitation, precipitation intensity, precipitation time.

FEATURES

  * Compact size for easy use
  * High accuracy, good stability
  * Mesh in the funnel preventing debris such as leaves and insects from entering the working of rain sensor
  * Well made tipping bucket with low resistance
  * The main body made of high strength ABS
  * Horizontal Bubble in the bottom

APPLICATIONS

  * Meteorological monitoring
  * Hydrologic monitoring
  * Natural disaster monitoring
  * Agrometeorological research
  * Climate research

SPECIFICATIONS

Item

Specification

Collector

diameter :φ200mm, height: 271mm

Measuring range

≤ 4mm/min

Resolution

0.2mm

Accuracy

±2%

Maximum load voltage

30VDC(pulse output)

Maximum load current

20mA

Output

Pulses(@10kΩ&0.01uF),RS485(12-24VDC supply)

Operating temperature

-20-80℃

Main material

ABS

Weight(unpacked)

1kg

WORKING PROCESS

Rainfall is captured in the 200mm diameter collector funnel and is directed through a delivery pipe to fill a divided ABS injection molded tipping bucket device.The bucket is pivoted through its center and has a preset calibration to tip for 0.2 mm of rainfall. When the bucket is “full”, it pivots and empties - this action magnetically closes and opens a reed switch, sending a pulse signal to the data logger or electronic counter. Through this tipping “seesaw” action, the other side of the bucket is aligned to receive the flow from the delivery pipe. This recording and tipping cycle continues with rainfall.

DIMENSION & MOUNTING

Adjust the balance foot screws to ensure that it is in a horizontal position.Using three fastening screws to fix this three support legs at the platform to keep the entire apparatus at an optimum level , which ensure the accuracy of rainfall data.

PARAMETER SELECTION TABLE

Remark

Series

Type

Output

Cable Length

 

RK

 

 

 

 

 

 

400

 

 

 

 

 

 

04

 

 

 

 

 

 

A

 

Pulse

 

 

 

B

 

RS485

 

 

 

C

 

Customization

 

 

 

 

1500

Units:mm(typ)

 

 

 

 

3000

Units:mm

 

 

 

 

...

Units:mm

Example: RK400-04A1500   Output:pulse  Cable Length:1.5m.

    
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