Scope of Application

【Operating Instructions】

Manufactured in accordance with GB 24540‑2009, it is mainly used for testing the penetration time performance of chemical protective clothing against acids and alkalis. Widely used in special labor protective equipment supervision and inspection stations, safety production science research institutes, product quality inspection institutes, and acid/alkali protective clothing manufacturers.

**YS301 Penetration Time Tester (Protective Clothing)**

**【Scope of Application】**  

Manufactured in accordance with GB 24540‑2009, it is mainly used for testing the penetration 

time performance of chemical protective clothing against acids and alkalis. Widely used in special

 labor protective equipment supervision and inspection stations, safety production science research

 institutes, product quality inspection institutes, and acid/alkali protective clothing manufacturers.

**【Method Standard】**  

GB 24540‑2009 "Protective clothing — Protective clothing against chemicals — Test methods"

**【Instrument Features】**  

1. The upper and lower electrode plates and conductive wires are made of corrosion‑resistant stainless steel.  

2. The electrode holder is made of corrosion‑resistant polytetrafluoroethylene (PTFE).  

3. Automatic timing device: real‑time recording of test duration from the start; an audible alarm is triggered upon penetration.  

4. Optional permeation test function available.

**【Technical Parameters】**  

1. **Specimen size:** 100 mm × 100 mm  

2. **Test reagents:** 80% H₂SO₄, 30% NaOH, 30% HCl, 40% HNO₃ (selected according to actual test requirements)  

3. **Reagent volume:** 0.1 mL  

4. **Timing range:** 0–9999 min, accuracy 1 second  

5. **Power supply:** 220 V, 50 Hz