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Holland Green Science

Holland Green Science builds laboratory freeze-drying equipment around one benchtop unit, the Xiros Mikro lyophilizer, along with the vacuum pumps, shelving units and trays that run it. The Xiros Mikro has an 8 kg ice condenser that reaches -40°C, removes about 4 kg of water every 24 hours and runs on 110V at 8.5A.

Shelf stacks come in 9, 7 or 5 shelves, giving 8.72 to 4.84 sq ft of tray space. The pump sets the maintenance routine: the oil-sealed Aether Premier reaches 0.003 mbar and holds 330 ml of oil, while the dry scroll Anemos runs oil-free at 0.008 mbar and 54 dB.

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A stainless steel rectangular tray with slightly raised edges, on a white background.
Holland Green Science Xiros Mikro Lyophilizer Trays
from $199.99
Holland Green Science Xiros Mikro freeze dryer with open door and trays inside.
Holland Green Science Xiros Mikro Lyophilizer
from $6,500.00
A white-topped, multi-shelf metal rack with brown shelves, likely for laboratory equipment, against a white background.
Holland Green Science Xiros Mikro Lyophilizer Shelving Units
from $845.00
Anemos oil-free pump with HG SK logo, ribbed body, dark blue casing with fan.
Holland Green Science Anemos Oil-Free Pump
$4,850.00
Grey 2-stage vacuum pump, model 2RS-7, with orange vent, silver connection, power cord. Specs: 7 CFM, 110V/60Hz, 1/2HP.
Holland Green Science Aether Premier Vacuum Pump
$795.00
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Buyer's Guide

Holland Green Science: Complete Guide

How Do I Build a Holland Green Science Freeze-Drying Setup?

Every Holland Green Science product here belongs to one system. The Xiros Mikro Lyophilizer is the main unit; the rest decide how it runs: a vacuum pump, a shelf stack sized to the material, and trays cut to match. Pick the shelf layout first, because it fixes the tray height, then pick the pump based on how much maintenance the room can absorb.

The Xiros Mikro is a benchtop unit, 770 x 748 x 507 mm and 87 kg, with a 5-inch touchscreen for programmable cycles and a USB port for data logging and firmware updates. It plugs into a standard 110V circuit at 8.5A and is rated for 24/7 operation, so back-to-back batches are part of the design rather than a strain on it.

Which Shelf Configuration Fits My Material?

Shelf count trades vertical clearance for tray area. Thin layers such as extracts suit the 9-shelf stack, while bulkier pieces need the taller gaps of the 5-shelf stack.

Shelf Stack Shelf Gap Tray Height Tray Area
9 shelves (thin layers) 21 mm 12 mm 8.72 sq ft
7 shelves (medium pieces) 28 mm 15 mm 6.78 sq ft
5 shelves (bulky items) 40 mm 20 mm 4.84 sq ft

The Xiros Mikro ships with nine stainless trays. Switching to another layout means adding the Xiros Mikro Shelving Units plus a matching set of Xiros Mikro Trays (sold separately; one stack cannot mix tray heights).

What Should I Look for in the Pump?

  • Vacuum depth: The oil-sealed, dual-stage Aether Premier reaches 0.003 mbar and moves 142 L/min (5.0 CFM). The dry scroll Anemos reaches 0.008 mbar at 12 m³/h.
  • Maintenance: The Aether Premier holds 330 ml of oil to change when it turns cloudy. The Anemos has no oil to change or dispose of.
  • Room fit: The Aether Premier weighs 9 kg. The Anemos weighs 28 kg, draws 400 W and runs at 54 dB, quiet enough for overnight cycles in a shared lab.

To see how this lab unit compares with a home freeze dryer, read Xiros Mikro vs. Harvest Right. Other lab units sit among the pharmaceutical grade freeze dryers, and other pump options among the vacuum pumps for freeze dryers.

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Frequently Asked Questions

How much material can the Xiros Mikro process per batch?
The 8 kg ice condenser supports product loads up to about 9.6 kg at 80% moisture content. The condenser removes roughly 4 kg of water per 24 hours, so wetter loads take longer cycles.
What power does the Xiros Mikro need?
The main unit runs on 110V (plus or minus 10%) at 60Hz and draws 8.5A, so it plugs into a standard North American circuit. Both pumps on this page are also built for 110V, 60Hz power; the Anemos draws 400 W.
Should I choose an oil-sealed or an oil-free pump?
Choose the oil-sealed Aether Premier for the deeper 0.003 mbar vacuum and a 9 kg footprint, and accept routine oil checks. Choose the oil-free Anemos to remove oil changes and oil contamination risk; it reaches 0.008 mbar and pumps up to 100 g of water vapor per hour.
Do Xiros Mikro trays fit other freeze dryers?
No. The 200 x 450 mm trays and the shelving units are made for the Xiros Mikro only. Tray height must match the stack: 12 mm for 9 shelves, 15 mm for 7 shelves and 20 mm for 5 shelves.
Can the Xiros Mikro run around the clock?
Yes. The Xiros Mikro is designed for continuous 24/7 operation, so back-to-back batches are part of normal use. Its USB port records cycle data so a lab can review and refine settings between runs.
What warranty does Holland Green Science offer?
The Xiros Mikro carries a limited 2-year warranty, the Aether Premier pump a limited 3-year warranty and the Anemos pump a limited 1-year warranty. None of them cover operator error or abuse.
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