220V Countertop Freeze Dryer 4Kg Food Freeze Dryer For Home Use HM400
- One-key start,fully automatic run
- Color LCD Touch screen
- Powder coated housing
- SUS304 chamber and thermostatic heating trays reliable for food safety and easy for cleaning
- Clear acrylic glass door with direct observation of freeze drying status
- Full accessories, ready for use
- Optional: Premium vacuum pump,vacuum solenoid valve, vacuum pump inlet dust filter, vacuum pump outlet smoke filter, non-stick silicone food mat, SUS304 stainless steel exterior
| Model | HM-400 |
| Heating Method | Thermostatic Shelf Heating |
| Control System | One-key start, automatic run |
| Tray Area(㎡) | 0.35 |
| Tray Size(WxDxH,mm) | 195x425x20 |
| Tray Qty. (PCS) | 4 |
| Tray Space (mm) | 48 |
| Load Capacity (Kg/batch) | 4 |
| Freeze Drying Time(Hour,approx.) | 20-40 |
| Defrost | Automatic |
| Min. Shelf Temperature(℃) | -35(RT<25℃) |
| Shelf Temperature Sensor | PT100 x 2 |
| Product Temperature Sensor | PT100 x 1 |
| Vacuum Pump Type | Oil Vacuum Pump |
| Extreme Vacuum Degree(Pa) | 10 |
| Refrigerant | R404a/R507 |
| Total Power(Kw) | 1.45 |
| Power Consumption (Kw/Hr) | 1.0 |
| Environmental Temperature | ≤30℃ (Freeze drying time may Increase if higher than 25℃) |
| Dimensions (WxDxH,cm) | 55x80x85 |
| Packing Size(LxWxH,cm) | 108x70x101 |
| N.W.(main unit) / G.W. (Kg) | 81/145 |
| Power Supply | AC200-240V/50Hz(Optional: AC200-240V/60Hz, 115V±10%/60Hz),1 phase |
Q: What is the HS code?
A: Typically 8419331000, 8419339090, or 8419399090. Confirm with your local customs.
Q: How to get a quote and brochure?
A: Tell us the model and quantity. You'll receive a detailed quote with specs and brochure.
Q: Compatible with 110V/60Hz or 220V/60Hz?
A: Yes. Supports 110V/60Hz and 200V-240V/50-60Hz. Specify your requirement when ordering.
Q: Operating vacuum level?
A: 15Pa (0.15 mbar).
Q: English version available?
A: Yes.
Q: Can the power plug be replaced?
A: Yes. We provide cords with various international plugs. Specify your standard.
Q: Ready to use upon delivery?
A: Almost. Connect the pump, plug in, and power on. Use the touch screen to operate.
Q: Difficult to install for first-time users?
A: No. We provide a manual, picture checklist, and a setup video for easy installation.
Q: Can I get an oil-free vacuum pump?
A: Yes, as an optional upgrade for extra cost.
Q: What is the packaging?
A: Strong plywood crate for safe international shipping.
Q: Can it ship by air?
A: Yes, but extra inspections/fees apply for refrigerant. Sea freight is more cost-effective.
Q: Can we check quality before shipment?
A: Yes. We provide photos and videos of your actual unit for approval before shipping.
Q: Payment terms?
A: T/T (Bank Transfer).
Q: Delivery time?
A: 5-20 working days after payment, depending on order.
Q: Company location? Can we visit?
A: Based in Shanghai with a factory nearby. Visits are welcome.
Q: What certifications?
A: ISO 9001 and CE.
Q: After-sales service?
A: Includes online support, video training, quick spare parts supply, and optional factory training.
Q: Warranty?
A: 12-month standard warranty (14 months for stock orders). Lifetime maintenance support.
Freeze-drying, or lyophilization, is an age-old method for preserving perishable items and enhancing their portability. It involves freezing materials and then lowering the surrounding pressure to allow sublimation of water. This technique dates back to Andean Indians in the 13th century but only became a refined, widely accessible technology in the 1950s. During World War II, it was first developed for blood plasma preservation due to its organic compatibility. Post-war, it expanded to consumer foods. Notably, in 1890, German scientist Albert Altmann freeze-dried organ pieces, and in the 1920s, Vansteenberghe and d’Arsonval patented a method for freeze-drying the rabies virus. The 1950s saw broader applications, including camping meals. NASA later adopted it for astronaut food, with freeze-dried ice cream famously used on Apollo and Gemini missions. In 1965, Nestlé launched the first freeze-dried instant coffee, popularizing the process. Historically, even Aztecs and Eskimos used early freeze-drying for biological samples. Modern freeze-drying involves freezing products in specialized chambers with controlled heating to form solid granules, determined by chamber speed and geometry.
Benefits include extended shelf life—7–8 times longer than fresh products—retained nutrition, and convenience. Freeze-dried foods are nutritious, cost-effective, and preserve dairy probiotics.
Senova, a global leader in freeze dryer innovation for 15 years, serves over 80 countries with reliable performance and support, now with an EU office in 2024.
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