इसी प्रकार केTG-222

• TG-221
  • 1.0-20.0 KV High-energy triggered spark gap
• TG-222
  • 18.0-40.0 KV High-energy triggered spark gap
• TG-224
  • 1.0-20.0 KV High-energy triggered spark gap
• TG-225
  • 18.0-40.0 KV High-energy triggered spark gap
• TG-226
  • 35.0-60.0 KV High-energy triggered spark gap
• TG-240
  • 0.4-0.85 KV three electrode high-energy spark gap
• TG-242
  • 0.7-1.7 KV three electrode high-energy spark gap
• TG-243
  • 0.8-2.1 KV three electrode high-energy spark gap