Scope of Application

【Operating Instructions】

Used to determine the water repellency of fabrics by the Bundessmann rain shower method, simulating the water repellency of fabrics under moving conditions during a shower. It can evaluate the amount of water penetrating the test specimen as well as the water repellency of the fabric.

**YS354 Textile Bundessmann Rain Shower Tester**

**【Scope of Application】**  

Used to determine the water repellency of fabrics by the Bundessmann rain shower method, 

simulating the water repellency of fabrics under moving conditions during a shower. It can 

evaluate the amount of water penetrating the test specimen as well as the water repellency

 of the fabric.

**【Applicable Standards】**  

GB/T 14577-1993, ISO 9865, BS EN 29865, DIN 53888, JIS L1092, etc.

**【Technical Parameters】**  

1. **Number of spray nozzles:** 300, evenly distributed on a plane with a diameter of 406 mm  

2. **Rainfall area:** Approx. 1300 cm²  

3. **Rainfall intensity (per 100 cm²):** 100–300 mL/min (adjustable)  

4. **Specimen size:** Diameter 140 mm  

5. **Test cup diameter:** 100 mm  

6. **Test cup mounting angle:** 15°  

7. **Test cup rotation speed:** 6 r/min  

8. **Cross‑shaped wiper dimensions:** 48 × 5 mm  

9. **Wiper rotation speed:** Approx. 20 r/min  

10. **Wiper friction pressure:** Approx. 250 cN  

11. **Distance from spray nozzle to test specimen:** 1.5 m  

12. **Overall dimensions:** Approx. 750 × 750 × 2400 mm (L × W × H)  

13. **Power supply:** AC 220 V, 50 Hz, 400 W  

14. **Weight:** Approx. 170 kg

**【Product Features】**  

1. 7‑inch color touch screen display and control, menu‑driven operation mode.  

2. Timer function: automatic stop and buzzer alarm when the set time is reached.  

3. Entire body made of stainless steel, rust‑proof and corrosion‑resistant.  

4. Core control component uses Siemens PLC.  

5. Equipped with a level detection device and a pre‑air‑bleeding device for the dripper.  

6. Universal Fuma castors for easy movement and fixing.  

7. Bench‑top design, stable operation, low noise.  

8. Precision motor control drive: short response time, no overshoot, uniform speed.  

9. Spray volume and spray range can be customized according to customer requirements.  

10. Panel made of special aluminum material with metal keys, sensitive operation and durable.  

11. Automatic specimen wiper, 4 test cups inclined at 15°.  

12. The instrument has a Chinese/English interface for the convenience of foreign customers.  

13. Easy‑to‑install specimen holder; built‑in water filter.