Vacuum leak indicator

• For monitoring:
- Double-walled containers, even if their interstitial space is still partially filled with leak detection liquid
- Single-walled tanks with leak protection lining (inner shells)
• Approvals:
- General building authority approval no. Z-65.22-2
- Variant IIIF: Type approval 02/PTB No. III B/S 1277
- Variant IVF: Type approval 02/PTB No. III B/S 1278
• Must not be installed in an Ex zone

Variant DIII F
PPAus - 450 mbar
PPEin - 375 mbar
PAOn - 325 mbar
PAOff - 410 mbar

Variant DIV F
PPOff - 80 mbar
PPOn - 65 mbar
PAOn - 34 mbar
PAOff - 50 mbar
(All data are approximate values)