Essential specifications: ✅ Capacity (20L, 50L, 100L, etc.) ✅ Temperature rating (-196°C ±1°C) ✅ Daily evaporation rate (percentage) ✅ Safety certifications (CE, BS 4680, ISO 1710) ✅ Warranty period (typically 1-2 years) ✅ Pressure relief valve specifications ✅ Insulation type (vacuum + material)
Included in price: ✅ Cane system (how many canes?) ✅ Goblets/holders (how many?) ✅ Delivery and installation ✅ Initial training ✅ First refill
Ask about:
- Service response time (emergency repairs)
- Spare parts availability
- Installation timeline
- Insurance recommendations
- Maintenance contract options
- Refill convenience (how often needed?)
- Annual inspection costs
Red flags to avoid: ❌ No safety certifications mentioned ❌ Unrealistic warranties (too long = impossible to deliver) ❌ No after-sales support information ❌ Vague specifications ❌ Prices significantly lower than competitors (may indicate poor quality)
