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  • Product Name: RK400-01 Tipping Bucket Rainfall Sensor

The RK400-01 Tipping Bucket Rainfall Sensor is an instrument for testing rainfall in the nature. In order to meet the requirement of information transmission, processing, recording and display, the amount of rainfall is converted to pulse output. It can be widely used in weather stations, hydrometric stations, agriculture & forestry, defense & field monitoring stations. It can provide the original data for flood-prevention, water-supply system, and reservoir water management in plant.

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
  * Highly polished stainless steel construction
  * Horizontal Bubble in the bottom

APPLICATIONS

  * Water supply system
  * Hydrologic monitoring
  * Natural disaster monitoring
  * Agro-meteorological research
  * Climate research

SPECIFICATIONS

Item

Specification

Collector

diameter :φ200mm, height: 350mm

Measuring range

4mm/min(8mm/min max.)

Resolution

0.1mm,0.2mm

Accuracy (2mm/min)

±4%

Maximum load voltage

30VDC(pulse output)

Maximum load current

20mA(pulse output)

Output

Reed Switch Pulses, RS485(12-24VDC supply)

Operating temperature

-20-+80℃

Main material

Collector: 304SS, tipping bucket:ABS

Tipping bucket Single
Heating(optional)
Heating power: approx.1000W, Heating voltage:220VAC

Weight(unpacked)

3.5kg

 1.Heating start point and heating end point should be confirmed to us before production.

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

 

PARAMETER SELECTION TABLE

Remark

Series

Type

Output

Resolution

Heating

Cable Length

 

RK

 

 

 

 

 

 

 

 

400

 

 

 

 

 

 

 

 

01

 

 

 

 

 

 

 

 

A

 

 

 

Pulse (reed switch)

 

 

 

B

 

 

 

RS485

 

 

 

C

 

 

 

customization

 

 

 

 

A

 

 

0.2mm (default)

 

 

 

 

X

 

 

Other

          A   Without heating
          B   With heating

 

 

 

 

 

 

1500

Units:mm(typ)

 

 

 

 

 

 

3000

Units:mm

 

 

 

 

 

 

...

Units:mm

Example: RK400-01AAA1500 Output: Pulse, Resolution:0.2mm, without heating, Cable Length:1.5m.

    
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