Bio-Rad Model 785 Vacuum Blotter - Manual (Page 6)

Gasket or standard gel transfer using the precut Window Gasket.
• Green Window Gasket allows you to easily see the gel/gasket overlap for easy
alignment.
• Vacuum Regulator facilitates accurate vacuum pressure using Bio-Rad’s Vacuum
Pump or almost any vacuum source.
• Durable molded construction for long term heavy use.
• Base Unit and Sealing Frame designed for easy alignment of gel and membrane.
1.5 Specifications
Dimensions
Overall outer size 21” (L) x 12” (W) x 5” (H)
Gel capacity (maximum size) 20 cm x 25 cm
Unit weights
Complete assembly 8.5 lb
Lid weight 1.5 lb
Sealing frame assembly 1.5 lb
Porous vacuum support 0.25 lb
Materials
Base Mindel-S plastic
Springs Stainless steel
Posts Delrin plastic
Vacuum stage Mindel-S plastic
Window gasket Flexible green vinyl
Porous vacuum plate Polypropylene
Sealing frame Glass-filled Mindel-S
O-ring Silicone rubber
Lid Acrylic
Tubing Tygon (1/2” OD x 1/4” ID)
Vacuum regulator pump
Dimensions
Overall outer size 16” (L) x 9” (W) x 8” (H)
Weights
With pump 9.5 lb
Without pump 3.9 lb
Materials
Valve Polyvinylchloride
Fittings Nylon
Housing Acrylic
Interior pump components
PTFE
Ratings
Vacuum pump 20 inches Hg (max)/250 Torr
Regulator 0-25 inches Hg (max)/125 Torr
Electrical
Input voltage range 100–120 VAC/50-60 Hz/1.5 A
220–240 VAC/50 Hz/0.75 A
Fuses
Internal Thermal Fuse
2