
Harvest Right Pharmaceutical Freeze Dryer in Medium Stainless Steel
This is a stainless steel countertop freeze dryer that pulls water out of herbs, oils, extracts and remedies under deep vacuum. Material freezes solid, then the ice sublimates straight to vapour, so colour, shape and potency hold instead of fading in a warm drying room. Built-in controls set the vacuum pressure and drying temperature for each run, and the cycle finishes on its own once started. Inside, a shelf holds 7 stainless trays measuring 7.5 x 18 x 0.75 in, for 6.5 sq ft of tray space. The condenser collects up to 4 L of ice per batch and cools to -46°C. That works out to roughly 7–9 lb of wet material per cycle. The cabinet measures 20 x 25 x 30 in overall and plugs into a standard 110V outlet. It ships with the Premier vacuum pump, factory tested to 25 microns or better and rated at 7.2 CFM. Pump oil, an oil filter, the tray set and a Guide to Freeze Drying come in the box. Fresh-frozen ice water hash is the job most extraction rooms put it to.
Running a Medium Pharmaceutical Freeze Dryer in a Processing Room
Spread material thin and even across the trays and pre-freeze the load, as the manual recommends, before the controller takes over. Leave the extra dry time on, since a load that feels dry but still holds moisture can spoil a whole jar later. Room temperature drives batch length more than anything else. The manual rates operation between 35 and 90°F, with the best efficiency from 45 to 75°F. A batch that takes about a day at 75°F can stretch past forty hours in a hot room, so park it somewhere cool and ventilated. Power draw averages 9–11 amps with spikes near 16, which is why Harvest Right recommends a dedicated 20-amp circuit. Skip surge protectors and GFI outlets, because the manual rules out both. The pump needs the most attention, with about three cups of oil to drain, filter and top up on a regular schedule. After a move, let the unit stand upright for a day and run one burn-in batch before loading anything valuable. The crate arrives at about 212 lb, so plan the lift and the cart before delivery day. Coverage is a one-year limited warranty, so register the unit and keep up with pump care from the first batch.
Key Features
- 6.5 sq ft of Tray Space: Seven stainless trays give a medium-scale batch room without needing a large-frame machine.
- Automatic Process Control: The controller manages vacuum pressure and drying temperature for each material, start to finish.
- Deep-Cold Condenser: A collector that reaches -46°C holds up to four litres of ice before the batch is done.
- Premier Vacuum Pump Included: A 7.2 CFM pump tested to 25 microns or better comes with oil and a reusable oil filter.
- Stainless Steel Build: The pharmaceutical cabinet and trays wipe down cleanly between resin, herb and oil batches.
- Countertop Footprint: At about 20 x 25 x 30 in, the unit sits on a bench, cart or sturdy table.
- Standard 110V Power: It plugs into a normal household outlet, ideally on its own 20-amp circuit.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Harvest Right |
| Model | HRFDMPH |
| Type | Pharmaceutical freeze dryer, medium, stainless steel |
| Trays | 7, stainless steel |
| Tray size | 7.5 x 18 x 0.75 in |
| Tray space | 6.5 sq ft |
| Ice capacity | 4 L |
| Batch capacity | 7–9 lb wet material |
| Condenser low temperature | -46°C (-51°F) |
| Overall dimensions | 20 x 25 x 30 in (W x D x H) |
| Power | 110V outlet |
| Average draw | 9–11 A |
| Recommended circuit | Dedicated 20 A |
| Vacuum pump | Premier pump, 7.2 CFM, 3/4 HP, 25 microns or better |
| Pump oil | About 3 cups |
| Operating room temperature | 35–90°F (best 45–75°F) |
| In the box | Freeze dryer, Premier vacuum pump, pump oil, oil filter, 7 stainless trays, Guide to Freeze Drying |
| Warranty | 1-year limited |
| Shipping weight | 212 lb |
| Package dimensions | 26 x 36 x 45 in |