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Tray Dryers

LyoStar II™ | Accessories

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LyoStar II™ Research and Development Tray Dryer
Built for performance with the most dependable components

Specification Sheet

	•	Shelf pull-down rate from ambient to -40ºC in less than 25 minutes
	•	Temperature resolution in 0.1ºC increments
	•	Powerful scroll compressors with only three moving parts (complete with two-year warranty)
	•	Three-year warranty (with the purchase of a preventative maintenance contract)
	Applications
		Process development for scale-up
		Product processing for stability studies
		Formulation work

Features		Benefits
•	Condenser coil design inside stainless steel housing	•	Provides superior lyophilization efficiency
•	Sealed shelf fluid system	•	Reduces need for frequent refills and minimizes the possibility of contamination
•	RTDs measure temperature	•	Shelf temperature stability and accuracy of ±0.5ºC
•	Touch screen computer	•	Facilitates data entry and cycle monitoring
•	Enhanced cascade refrigeration system	•	Shelf cooling to 70ºC
•	Front panel access door for pump and condenser drain	•	Provides convenient access for easy maintenance
•	Clear acrylic chamber door	•	Provides unobstructed view of product

Bulk System Configurations
Dimensional Specifications
	LYO1B	LYO2B	LYO3B	LYO4B	LYO5B
No. shelves	1	2	3	4	5
Shelf area (sq. ft/m¹)	1.5/0.14	3.1/0.29	4.6/0.43	6.1/0.57	7.6/0.71
Distance between shelves (in./mm)	9.5/241	4.5/114	2.8/71	2.0/51	1.5/38

Volumetric Specifications (Liters)
Product thickness	LYO1B	LYO2B	LYO3B	LYO4B	LYO5B
0.25 in. (0.6 cm)	0.88	1.77	2.66	3.55	4.43
0.50 in. (1.3 cm)	1.77	3.55	5.32	7.09	8.86
0.75 in. (1.9 cm)	2.66	5.32	7.98	10.64	13.29
1.0 in. (2.54 cm)	3.54	7.09	10.64	14.18	17.73

Stoppering System Configurations
Dimensional Specifications
	LYO1S	LYO2S	LYO3S	LYO4S
No. shelves	1	2	3	4
Shelf area (sq. ft./m¹)	1.5/0.14	3.1/0.28	4.6/0.43	6.1/0.57
Distance between shelves (in./mm)	9.5/241	4.5/114	2.8/71	2.0/51

Serum Bottle Dimensions and capacity (Number of bottles processed)
	2 ml	3.5 ml	5 ml	10 ml	20 ml	30 ml	50 ml	1000 ml
Diameter (mm)	17.5	18	23	25	32	37	43	52
Height (mm)¹	43	53	56	63	67	72	82	104
LYO1S	468	459	273	228	135	100	66	45
LYO2S	936	918	546	456	270	200	132	90
LYO3S	1404	1377	819	684	405	200²	132²	90²
LYO4S	1872	1377²	819²	684²	405²	200²	132²	90²
1. Includes partially inserted stopper. 2. Requires shelf latching plates. Each Bulk LyoStar II comes with one solid bottom tray per shelf. Each Stoppering LyoStar II comes with one removable bottom tray per shelf.