The PS-A3 stands out with its innovative design, durable construction using high-quality materials, and optimized performance. Equipped with an oversized control panel, its striking black-and-gold interface acts as a visual warning sign, enhancing visibility and aesthetic appeal in installation areas.
Performance Features:
- LCD screen clearly displays body voltage and resistance values.
- Integrated sensor detects human presence and triggers voice notifications.
- Automatically issues voice alarms when body voltage exceeds 150V, ensuring ESD safety.
- Enhanced power-saving function and double-capacity battery extend usage time.
- Tracks the number of touches—enabling convenient field monitoring and management.
- Signal output port supports interlock control with third-party equipment.
- Touch ball is made from anti-static conductive material, preventing spark discharge upon contact.
Product Certifications:
- Explosion-proof certification with comprehensive inspection report.
- Compliant with China's national 3C safety certification for electrical devices.
- Holds a national patent (Patent No.: ZL 2010 1 0112731.7).
- Charge transfer test report showing <0.1μC—within safe limits.
- Corrosion and surface protection test report for durability in harsh environments.

Technical Specifications:
| Model |
PS-A3 |
PS-A2 |
PS-Y (Tunnel Version) |
PS-Y |
PS-E |
| Explosion-proof Grade |
ExibI ICT4 Gb |
ExibI ICT4 Gb |
ExibI ICT4 Gb |
ExibI ICT4 Gb |
None |
| Product Height |
1.1 m |
1.1 m |
1.26 m |
1 m |
1 m |
| Ball Diameter |
80 mm |
90 mm |
90 mm |
90 mm |
90 mm |
| Steel Pipe Diameter |
70–140 mm |
38 mm |
114 mm |
38 mm |
51 mm |
| Steel Pipe Wall Thickness |
1.0 mm |
1.0 mm |
1.0 mm |
1.0 mm |
1.0 mm |
| Ground Wire Length |
2 m |
2 m |
2 m |
2 m |
1 m |
| Alarm Mode |
Sound + Light |
Sound + Light |
Sound & Light Alarm |
Sound & Light Alarm |
None |
| Voltage Display |
Yes |
Yes |
No |
No |
No |