Scope of Application

【Operating Instructions】

This instrument is used to determine the electrostatic decay performance of medical protective clothing and heat-sealable flexible antistatic barrier materials under specified laboratory environmental conditions. It applies a high-voltage electric field to the test material and then measures the charge decay time.

**YG342S Electrostatic Decay Performance Tester for Protective Materials**

**【Scope of Application】**  

This instrument is used to determine the electrostatic decay performance of medical protective clothing and heat-sealable flexible antistatic barrier materials under specified laboratory 

environmental conditions. It applies a high-voltage electric field to the test material and then measures the charge decay time.

**【Applicable Standards】**  

- GB 19082-2009 Technical requirements for disposable medical protective clothing, Clause 5.10  

- GJB 2605-1996 Specification for heat-sealable flexible antistatic barrier materials, Clause 4.7.16  

**【Technical Parameters】**  

1. **Test Voltage:** 0 V to +5 kV, 0 V to –5 kV  

2. **Decay Voltage:** Digitally settable from 100 V to 4800 V  

3. **Charging Time:** Digitally settable from 1 s to 3000 s  

4. **Decay Time:** Real-time display, resolution 0.001 s  

5. **Decay Mode:** Two modes — decay ratio and decay voltage  

6. **Test Voltage Display:** Real-time display of test voltage and decay voltage  

7. **Charging Timer Range:** 1 s to 10 s (digital display)  

8. **Decay Timer Range:** 1 s to 10 s (digital display)  

9. **Decay Ratio Setting:** 10% to 99% (digital setting)  

10. **Number of Specimen Pieces:** 1 to 9 pieces  

11. **Number of Tests:** 1 to 9 times  

12. **Instrument Weight:** ____ kg  

13. **Power Supply:** AC 220 V ±10%, 50 Hz  

14. **Overall Dimensions:** 835 mm × 430 mm × 560 mm  

**【Instrument Features】**  

1. The instrument adopts computer-controlled testing technology combined with high-level programming, ensuring accurate and reliable testing, convenient and safe operation. It can be equipped with a printer. The screen clearly displays the applied voltage and decay time for the specimen.  

   - Microcomputer control, intelligent testing; various indicators and parameters are displayed intuitively, clear at a glance, and easy to use.  

2. Under specified environmental conditions, after clamping the specimen, simply press the "Start" button. The instrument automatically performs the entire test process, requiring minimal operator intervention to complete the test task.