Bundesmann Rain Tester | ISO 9865 Waterproof Fabric Testing Machine Manufacturer
Get a quote：
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Features
(1) Rainfall portion consists of 300 identical drips for uniform precipitation.
(2) Test-driving portion has four sample cups with an outer diameter of 10 cm.
(3) Sample cups are mounted at 15° from vertical for realistic simulation.
(4) Each cup includes a sample installation box and cross-shaped wiper that gently rubs the fabric underside.
(5) Cups rotate around the instrument center, ensuring consistent exposure.
(6) Rainfall intensity is adjustable via a valve (100–300 ml/min per 100 cm²).
(7) Cross-wiper ensures uniform friction and contact pressure for accurate results.
Technical Parameters
| Item | Parameter |
|---|---|
| Rainfall area | ~1300 cm² |
| Drips | 300 pieces |
| Rainfall rate | 100–300 ml/min per 100 cm² (adjustable) |
| Sample size | Ф 140 mm |
| Test area | ~80 cm² |
| Test sample cup diameter | 100 mm |
| Test cup mounting angle | 15° |
| Test cup rotation speed | ~6°/min |
| Cross-wiper arm length | 48 mm |
| Cross-wiper width | 5 mm |
| Wiper rotation speed | ~20 times/min |
| Wiper friction pressure | ~2.5 N |
| Test duration | Displayed on screen |
| Device dimensions | ~φ80 × 220 cm |
| Weight | ~200 kg |
| Power supply | AC 220V, 50Hz, 200 W |
Accessories
Standard sample cups and cross-shaped wipers
Rainfall drip assembly
Valve for rainfall adjustment
Optional: additional sample holders or calibration kits
Test Procedures
(1) Install the fabric sample in the test cup.
(2) Position the cross-wiper beneath the fabric.
(3) Set rainfall intensity using the valve.
(4) Activate cup rotation and rainfall simulation.
(5) Monitor water absorption, surface wetting, and outflow.
(6) Record results displayed on the screen.
(7) Remove the sample and clean the device after testing.
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