Vacuum Oven Programmable 216L 220V vs Vacuum Oven Programmable 91L 220V
Which should you choose?
- ▸If budget is the priority, Vacuum Oven Programmable 91L 220V is the lower-cost option; Vacuum Oven Programmable 216L 220V lists higher and typically adds capability or capacity.
Specifications side by side
| Spec | Vacuum Oven Programmable | Vacuum Oven Programmable |
|---|---|---|
| Door | Single swing door | Single swing door |
| Type | Floor-type large-capacity vacuum drying oven, programmable | Floor-type large-capacity vacuum drying oven, programmable |
| Class | Capital | Capital |
| Timer | 1 min to 999 hr 50 min | 1 min to 999 hr 50 min |
| Heater | Mica heater, 3.15 kW | Mica heater, 2.25 kW |
| System | Vacuum drying by decompressed-chamber direct heating | Vacuum drying by decompressed-chamber direct heating |
| Weight | ~290 kg | ~190 kg |
| Shelves | 2 perforated stainless-steel shelves | 2 perforated stainless-steel shelves |
| Voltage | 220V single phase, 15A, 50/60 Hz | 220V single phase, 11A, 50/60 Hz |
| Vacuum gauge | Bourdon-tube type, 0 ~ -0.1 MPa (gauge pressure) | Bourdon-tube type, 0 ~ -0.1 MPa (gauge pressure) |
| Shelf support | 4 steps / 140 mm pitch | 4 steps / 105 mm pitch |
| Exterior material | Cold-rolled steel with baked-on melamine resin finish | Cold-rolled steel with baked-on melamine resin finish |
| Interior material | Stainless steel | Stainless steel |
| Internal capacity | 216 L | 91 L |
| Program operation | 16 segments | 16 segments |
| Observation window | Tempered glass + polycarbonate resin plate | Tempered glass + polycarbonate resin plate |
| Temperature sensor | K-thermocouple (double sensor) | K-thermocouple (double sensor) |
| Temperature control | PID control by microprocessor | PID control by microprocessor |
| Exhaust / purge port | NW25 flange / Rc 1/4 (18 mm O.D.) | NW25 flange / Rc 1/4 (18 mm O.D.) |
| Heat-insulating material | Glass wool | Glass wool |
| Operating pressure range | 101 to 0.1 kPa (760 to 1 Torr) | 101 to 0.1 kPa (760 to 1 Torr) |
| Operating temperature range | 40 to 200°C | 40 to 200°C |
| Temperature control accuracy | ±1.0°C (at 200°C) | ±1.0°C (at 200°C) |
| External dimensions (W×D×H) | 820 × 819 × 1650 mm | 670 × 669 × 1500 mm |
Highlighted rows differ. Specs are sourced from manufacturer documentation.
FAQ
- What's the difference between the Vacuum Oven Programmable 216L 220V and the Vacuum Oven Programmable 91L 220V?
- The main differences are in Door, Type, Class. The table above shows every spec side by side; the decision guide highlights which fits which use case.
- Which should I buy?
- If budget is the priority, Vacuum Oven Programmable 91L 220V is the lower-cost option; Vacuum Oven Programmable 216L 220V lists higher and typically adds capability or capacity.
- Do both carry a warranty?
- Yes — both are sold through Legacy Lab Supplies as an authorized distributor and carry full manufacturer warranty.
Still deciding? Our team compares options with you — no pressure.

