Product Category Description:

• True Horizontal Airflow Design
• Programmable 24-Step Ramp and Soak Controller
• Type-304 Stainless Steel Interior and Exterior
• Durable Powder-Coat Paint Exterior Finish
• Three-inch Intake and Exhaust Ports
• Equipped with Adjustable Stainless Steel Shelves
• VWR Two-Year Limited Parts and Labor Warranty

Horizontal airflow is created using a turbo blower that re-circulates air over the heating element, providing fast heat-up and recovery times, and ensuring a more rapid and efficient rate of drying. By forcing continuously warmed air into the chamber, the turbo blower assures uniform heating across all shelves and to every area of the chamber, eliminating concerns of obstructed air, regardless of how the shelves are loaded.

The Watlow® microprocessor-based controller provides 24-step ramp and soak capability to an accuracy of 0.1°C. Other ramping operations include ramp-rate or time-based programming, guaranteed soak deviation, program looping, and program status selection after power outages. Easy, non-ramping set point operation is also available. Temperature range: 40 to 260°C (104 to 500°F).

To maintain temperature uniformity and stop heat loss, a 8.9cm (31/2") thick, double-layer insulating barrier of high-density alumina silicate and high-temperature fiberglass wraps around all five sides of the chamber. A high temperature silicone rubber door seal eliminates air leakage. In addition, the door latch and hinges are user-adjustable to maintain a better seal as metal expands and contracts over the life of the oven.

The independent over-temperature safety is user-adjustable and protects the unit against damage to contents and burnout in the unlikely event that the main controller fails. The sealed membrane touch-pad control panel guards against any harm to the electronics. Stainless steel interior and exterior provide maximum corrosion resistance.

Unfiltered power exhaust accessory (52202-530) available for fast drying, to exhaust fumes from the lab, or to pull moisture out of high-moisture samples. Can be operated at the end of program for fast cool down, or during all or part of program. If attached, power exhaust can be activated by the controller. All units are 208–230V, 50/60Hz, except 16000-224, which is 208V, 50/60Hz only.

Ordering Information: Supplied with adjustable stainless steel shelves. Chart recorder outlet available on all but Model 1670 (52201-754).

Specifications for VWR Signature High-Performance Horizontal Air Flow Ovens 1690 Floor Model, Two-Door:

Description:		Floor Model, Two-Door
No. ofShelves:		12
Interior Dimensions,W x D x H, cm (in.):		111.8 x 63.5 x 137.2 (44 x 25 x 54)
Exterior Dimensions,*W x D x H, cm (in.):		172.7 x 83.8 x 203.2 (68 x 33 x 80)
Electrical:		11900W, 49.6A

(Please note that the description and stock photo may not correspond to the specific model listed above)

We offer only genuine VWR products, authorized for sale in the U.S. and other markets, so you can be sure that you are buying authentic Baths, Ovens, Incubators, and Cryogenics Storage with a full manufacturer's warranty in addition to our own 100% Satisfaction Guarantee. We are your premier online distributor for VWR Baths, Ovens, Incubators, and Cryogenics Storage. We are an authorized supplier to all federal and state government agencies, as well as to research and educational institutions, and can facilitate volume orders on many types of laboratory equipment, lab consumables, and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over $29.95. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses.

In addition to the VWR Signature High-Performance Horizontal Air Flow Ovens Floor Model, Two-Door 1690/ 52202-509, we carry a full complement of Baths, Ovens, Incubators, and Cryogenics Storage as well as other product offerings from VWR. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs.

For a complete selection of VWR Baths, Ovens, Incubators, and Cryogenics Storage, please visit our VWR page. For more brand name Baths, Ovens, Incubators, and Cryogenics Storage please visit our Baths, Ovens, Incubators, and Cryogenics Storage store section. To see our complete line of lab, medical, industrial, and scientific products, please see our science and lab equipment online catalog.