Table of Contents Accurately measuring rainfall has long been a challenge, owing to its pronounced regional and diurnal variability. The emergence of modern Western scientific
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Stainless Steel Rain Gauge
The stainless steel rain gauge is recognized to be the standard for measuring rainfall and other precipitation in hydrological and environmental testing. The internal tipping bucket structure provides high accuracy in various rainfall intensity ranges. According to different materials, we have three types of tipping bucket rain gauge: all stainless steel rain gauge, semi-stainless steel rain gauge, and ABS plastic rain gauge.
- Model: RS-YL*-*-4-EX / RS-YL-*-5-EX
- MOQ: 1 PCS
- Delivery date: within 24 hours
- Price: $79~$94
Renke Rain Gauge Types
Renke is a professional manufacturer of environmental monitoring sensors with more than 15 years of production and sales experience. Our rain gauge have many types, wholesale prices and good quality. It can be widely used in agricultural irrigation, precipitation measurement, water level monitoring of water treatment plants, weather stations, and Internet of Things rainfall.
Tipping bucket material: ABS plastic
Accuracy: ±0.32mm
Resolution: 0.2mm/0.5mm
Height: 255mm
Rain-bearing mouth material: ABS plastic
Output: RS485/0-5V/0-10V/0-2V/4-20mA/Pulse
RS-YL*-*-4-EX
Tipping bucket material: ABS plastic
Accuracy: ≤±3%
Resolution: 0.2mm/0.5mm
Height: 435mm
Rain-bearing mouth material: ABS plastic
Output: RS485/0-5V/0-2V/0-10V/4-20mA/Pulse
RS-YL-*-5-EX
Tipping bucket material: stainless steel
Accuracy: ≤±4%
Resolution: 0.1mm/0.2mm/ 0.5mm
Height: 365mm
Rain-bearing mouth: 304 stainless steel
Output: RS485/0-2V/0-5V/0-10V/4-20mA/Pulse
RS-YL*-*-6S-EX
Double tipping bucket material: ABS plastic
Accuracy: ≤±3%
Resolution: 0.1mm/0.2mm/0.5mm
Height: 435mm
Rain-bearing mouth: 304 stainless steel
Output: RS485/0-2V/0-5V/0-10V/4-20mA/Pulse
RS-YL*-*-6SP-EX
Double tipping bucket material: stainless steel
Accuracy: ≤±3%
Resolution: 0.1mm/0.2mm/0.5mm
Height: 435mm
Rain-bearing mouth : 304 stainless steel
Output: RS485/0-2V/0-5V/0-10V/4-20mA/Pulse
Rain sensing diameter: 6cm
Resolution: standard 0.1mm
Typical accuracy: ±4%¹
Max. instantaneous rainfall: 24mm/min
Power supply: 9~30V DC
Output signal: RS485/Pulse
About - Stainless Steel Rain Gauge
Working principle
The tipping bucket rain gauge working principle is counting the number of times the tipping bucket falls. The tipping bucket is made of stainless steel and divided into two half-cone chambers with equal volume by a partition in the middle. It is a mechanical bistable structure. When one chamber receives water, the other chamber is waiting. When it rains, the rainwater collected by the water receiving port enters the metering bucket through the funnel. When the volume of the received rainwater reaches the predetermined value of 0.2mm, the chamber will overturn due to gravity and be waiting, and the other chamber will be in a state of receiving water. When the water receiving volume reaches the predetermined value, the bucket will overturn again and be waiting.
Magnetic steel is installed on the sidewall of the tipping bucket, which scans from the side of the dry reed tube when the tipping bucket flips to make the dry reed tube on and off. That is, every time the tipping bucket is overturned, the dry reed tube will be switched on and send out a pulse or 485 signal. This is the working principle of the stainless steel tipping bucket rain gauge.
Datasheets
| Rain gauge diameter | Φ200mm | |
|---|---|---|
| Resolution | 0.2mm/0.5mm (optional) | |
| Cutting edge angle | 40°-45° | |
| Output signal | RS485/4~20mA/0~2V/0~5V/0~10V/Pulse | |
| Operating environment | 0~55°C, ＜95% (at 40°C) | |
| Storage environment | -40°C~125°C, ＜80% (non-condensing) | |
| Measurement error | ≤±4%(RS-YL*-*-5-EX), ≤±3%(RS-YL*-*-4-EX) | |
| Rainfall range | 0mm~4mm/min Max. permissible rainfall intensity is 8mm/min |
|
| RS485 output | Power supply | DC 4.5~30V |
| Max. power consumption | 0.24W | |
| Analog output | Power supply | DC 10~30V |
| Max. power consumption | 0.24W | |
| Pulse output | Withstand voltage | ≤100V |
| Withstand current | ≤0.5A | |
Advantages
Made of all stainless steel materials to avoid rainwater retention and reduce errors. There is a stainless steel filter on the top, and the filter in the barrel can effectively prevent the interference of impurities and make the measurement more accurate. The outer casing adopts a stamped reinforced rib design, providing high strength and resistance to deformation, which significantly enhances measurement accuracy. Engineered for continuous operation, our rain gauge provides accurate rainfall data under outdoor conditions.
When the rain gauge leaves the factory, the tipping bucket inclination adjustment screw has been locked at the best inclination base point position and the inclination screw has been sealed with red paint. When installing the instrument on-site, the user only needs to level the entire instrument according to the relevant requirements of this manual. The bubble can be put into use after adjusting it to the center position, and there is no need to adjust the tilt angle of the bucket on site.
The tipping bucket of the rain gauge features a three-dimensional streamlined design with downward-curved guiding edges. This design not only offers an aesthetically pleasing appearance but also improves tipping performance. It is easier to clean and maintain, with self-dusting properties that facilitate simple washing. The water outlet funnel is designed to prevent splashing and inhibit mold growth that could affect the pivot shaft. The labyrinth structure at the bottom of the tipping bucket prevents wind from blowing upward and causing false tipping.
The tipping bucket of the rain gauge is equipped with constant magnetic steel, and the reed tube bracket is equipped with a reed tube. When the instrument leaves the factory, both the magnetic steel and the reed tube have been adjusted at the appropriate coupling distance, so that the output signal of the instrument and the number of flipping bucket flips are determined. Our rain gauge provides current rainfall, yesterday’s rainfall, instantaneous rainfall, and cumulative rainfall data. In addition, we also offer rain gauges capable of monitoring ten meteorological elements.
FAQs - Stainless Steel Rain Gauge
Why choose Renke rain gauge?
Buy the best tipping bucket rain gauge, contact us. Renke is a R & D factory for more than 10 years. Many types are available. Meet your various requirements. Precision manufacturing process. Accurate measurement. Shipped the same day.
Where to download this rain gauge manual?
In order to protect the patented technical parameters, please contact us for instructions.
What are the rain gauge accessories?
Renke all stainless steel tipping bucket rain gauge is composed of rain port, filter screen, water diversion funnel, tipping bucket bracket, tipping bucket, tipping bucket sleeve, inclination adjustment device, level adjustment device, constant magnet steel, reed pipe, a signal output terminal, drainage funnel, base, Stainless steel cylinder, base supporting feet, water diversion bucket filter screen, etc. Among them, the tipping bucket bracket is provided with a tipping bucket shaft sleeve, a round horizontal bubble, a reed tube bracket, and a signal output terminal.
The tipping bucket sleeve of the rain gauge is an integrated rotating positioning structure.
The tipping bucket is installed in the bearings of the two sleeves through the tipping bucket shaft, which makes the assembly and disassembly of the tipping bucket more convenient, and there is no need to adjust the distance between the two sleeves. , Brings convenience to on-site installation.
How to maintain a stainless steel rain gauge?
Rain gauge is outdoors for a long time and the use environment is very harsh. Therefore, the inner wall of the drain hole should be wiped with a soft cloth frequently to keep the rain hole clean. If there are foreign objects such as leaves in the drain hole, it should be cleaned in time to keep the waterway unblocked. If the rain gauge is not used for a long time, a cover should be placed on the ring mouth of the instrument to protect the rain mouth.
How to clean the tipping bucket?
Rain gauge is usually cleaned once a month for long-term work, and once every three months.
The tipping bucket is a key component of the rain gauge, which directly affects the measurement accuracy of the instrument. Over time, a little dust or oil will be deposited on the inner wall of the tipping bucket. Therefore, the tipping bucket should be cleaned. When cleaning, the inner wall of the tipping bucket can be repeatedly rinsed with clean water or gently brushed.
Why is there no data when it is raining?
This indicates that the rainfall gauge is not outputting a signal, or there is a fault in the transmission line. Possible causes include:
- Reed switch failure
- Excessive distance between the magnet and the reed switch
- Disconnected, broken, or incorrectly connected signal wires
- Tipping bucket jammed
- Instrument blockage
Why is there a big difference between the rainfall number received during rainfall and the rainfall gauge?
Possible causes include:
1. Misalignment of the tipping bucket pivot in the rain gauge. However, such errors generally do not exceed ±10%.
2. Improper positioning of the magnet relative to the reed switch, which can cause intermittent signals and result in occasional missed readings.
Why can we measure rainfall even when it’s not raining?
Check if the socket is soaked in water, which often happens after a heavy rain.
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