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Fisherbrand™ Isotemp™ Model 281A Vacuum Oven

Standard capacity vacuum oven

Supplier:  Fisherbrand™ 1326250

 View more versions of this product

Catalog No. 13-262-50

Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.



Standard capacity vacuum oven

10 in. wide (25cm), 1000-watt wraparound element completely covers top, sides and bottom of oven chamber

Operating Features

  • Capacity: 0.65 cu. ft. (0.02m3)
  • Dial-in temperatures up to 280°C (536°F)
  • Maintains 30 in.Hg (762mm) vacuum with less than 1/2 in.Hg (12.7mm) loss per day
  • Automatic temperature backup control takes over if the temperature rises more than 5°C over setpoint; constancy ±1.0°C at ultimate vacuum; control sensitivity ± 1.0°C; warning light alerts of failure

Cabinet Features

  • Full-view window permits continuous monitoring
  • 18-gauge steel cabinet is protected by chemical-resistant enamel with 4 in. thick (10cm) fiberglass insulation
  • Low-temperature handle and silicone door gasket
  • Separate inlet and outlet connectors/controls allow replacement of air with inert gas

Order Info

Capacity: 0.67 cu. ft. (0.018m2); Shelf and floor area: 313 sq. in. (2019cm2); Chamber: 11.5D x 10W x 10 in.H (29 x 25 x 25cm); Exterior: 17 3/4L x 18W x 22 3/4 in.H (45 x 46 x 58cm); Shipping weight, 90 lb. (41kg)

Service Plan

Service agreement available.


One year parts, labor and travel



0.67 cu.ft.
18.9722 L
Vacuum Oven
Baked Epoxy Enamel Coated 18G Steel
Electronic control back up prevents overheating
11.5 x 10 x 10 in. (29 x 25 x 25 cm)
45 cm
10 in.
22.75 in.
58 cm
11.5 in.
90 lb.
120 V
14.7 A
Stainless Steel
Two shelves and a power cord with plug
0 to 30 in.Hg
43.25 in.
18 in.
25 cm
10 in.
25 cm
29 cm
120 V 50/60 Hz
3500 w
50/60 Hz