Nylex Rain Gauge 1000 250mm – UV Protected Rainfall Measuring Gauge with 5mm Graduations
Specifications
Details
Nylex Rain Gauge 1000
A high-capacity, easy-to-read rain gauge designed for rainfall monitoring on farms, plantations, vineyards, nurseries, gardens, parks and school grounds. The inner measuring cylinder uses professionally calibrated 1mm increments, while the outer cylinder retains overflow from heavier rainfall for total measurements up to 250mm.
Common search names in Malaysia: rain gauge, rainfall gauge, rain measuring gauge, pluviometer, tolok hujan, penyukat hujan, alat ukur hujan, alat pengukur hujan, 雨量计 / 量雨器 / 降雨量测量器
Tried-and-Tested Rainfall Monitoring
The Nylex Rain Gauge 1000, also known as the Nylex 250mm Professional Rain Gauge, model RG1000 or reference MW/RAINFALL-250, helps users record rainfall instead of relying on visual estimates.
Reliable rainfall records support better irrigation decisions, help reduce unnecessary watering and make it easier to compare wet and dry periods over time.
- Measures light showers and heavy tropical rainfall.
- Transparent body allows quick visual checking.
- UV-protected, high-grade non-yellowing plastic.
- Supplied with mounting bracket and wood screws.
- Simple manual operation with no battery required.
- Suitable for professional and home applications.
- Product packaging indicates a 2-year warranty.
Why Measure Rainfall?
One millimetre of rainfall is approximately equal to one litre of water over one square metre. Recording rainfall therefore gives growers and gardeners a practical reference when reviewing irrigation needs.
How the 250mm Rain Gauge Works
The funnel directs rainfall into the numbered inner measuring cylinder, which is calibrated in 1mm increments up to 25mm. Once the inner measure is full, excess water is retained in the larger outer cylinder for the overflow reading method.
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Suitable for Professional and Home Use
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Correct Installation for Better Accuracy
Select an Open Site
Choose level ground away from trees, buildings, roofs, fences and other obstructions.
Fix the Bracket
Mount the supplied bracket securely to a sturdy post with the enclosed wood screws.
Keep It Vertical
Position the gauge truly upright, near ground level or at the lowest safe height.
Allow Clear Distance
As a guide, place it about twice as far away as the height of nearby buildings or trees.
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How to Read Rainfall
Reading Up to 25mm
- Remove the catchment funnel.
- Lift out the inner measuring cylinder.
- Hold it upright at eye level.
- Read the water level using the calibrated 1mm graduations.
Reading Above 25mm
- Empty and count each full inner-cylinder measure.
- Pour the remaining outer-cylinder water into the tube.
- Add every full measure and the final residue.
- Empty and reassemble the gauge after recording.
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Nylex Rain Gauge 1000 Specifications
| Product Name | Nylex Rain Gauge 1000 / Nylex 250mm Rain Gauge |
|---|---|
| Model / Reference | RG1000 / MW/RAINFALL-250 |
| Maximum Rainfall Measurement | Up to 250mm of rainfall using the inner measure and overflow method |
| Inner Measuring Cylinder Scale | 25mm capacity with professionally calibrated 1mm increments |
| Inner Cylinder Dimensions | Approximately H 266mm; Ø 40mm at the top and Ø 35mm at the base |
| Material | Durable transparent UV-resistant plastic / polycarbonate |
| Approximate Product Size | Ø 101mm × H 355mm |
| Approximate Product Weight | 0.58kg |
| Country of Origin | Australia |
| Installation | Post or wall mount with supplied bracket and wood screws |
| Power Requirement | None |
Care and Maintenance
- Empty the gauge after each recorded reading.
- Keep the funnel clear of leaves, insects and debris.
- Rinse with clean water when residue is visible.
- Check that the bracket remains secure and vertical.
Use for Rainfall Decisions
A rain gauge records rainfall received at its location. Irrigation decisions should also consider soil type, drainage, crop stage, root depth and local weather.
Frequently Asked Questions
What does 1mm of rainfall mean?
Does the Nylex Rain Gauge measure up to 25mm or 250mm?
What graduations are shown on the inner cylinder?
Where should I install the rain gauge?
Can this rain gauge be used on farms and plantations?
Is it suitable for a home garden?
Does it require batteries?
Complete Rainfall Gauge Calibration & Calculation Guide
This technical section explains the mathematics behind rainfall depth and the Nylex Rain Gauge 1000 calibration. It first shows why 1mm of rainfall equals 1 litre of water per square metre, then calculates the expected collected volume for the gauge's 101mm diameter collector.
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Part 1: Why 1mm Rainfall = 1L/m²
Rainfall in millimetres describes the depth of water spread evenly over an area. Imagine a flat area measuring 1m × 1m.
One metre is 1,000mm. A 1mm layer of rain over this area gives:
= 1,000,000mm³ = 1 litre
Example: 10mm of rainfall supplies approximately 10L of water to every 1m² of ground, before run-off, evaporation and water caught by leaves are considered.
Part 2: Nylex Rain Gauge 1000 Collector Calibration Calculation
The circular collector opening has a diameter of 101mm. Its radius is:
To simulate 10mm of rainfall, use the collector radius and rainfall depth:
= 80,118.47mm³
= approximately 80.12mL
Therefore, pouring approximately 80mL of water evenly into the collector should produce a reading close to 10mm. Each 1mm of rainfall represents approximately 8.01mL collected by this 101mm-diameter opening.
The calibration guide rounds the amount to 80mL. A small reading difference may occur because of the meniscus, pouring loss, installation angle or normal manufacturing tolerance.
| Rainfall Reading | Rainfall per 1m² | Expected Water in Nylex Gauge |
|---|---|---|
| 1mm | 1L/m² | Approximately 8.01mL |
| 5mm | 5L/m² | Approximately 40.06mL |
| 10mm | 10L/m² | Approximately 80.12mL |
| 15mm | 15L/m² | Approximately 120.18mL |
| 20mm | 20L/m² | Approximately 160.24mL |
| 25mm | 25L/m² | Approximately 200.30mL |
Need Stock or Bulk-Order Confirmation?
Contact Swee Chiang Hardware for Nylex Rain Gauge 1000 stock, delivery arrangements, farm requirements or quantity orders in Malaysia.
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