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Home  >>  Products  >>  Lab Apparatus  >>  Laboratory Ovens
Laboratory Ovens

Economical Model LO, LR, LW - Not For Use with Flammable Solvents or Vapors

Model LO-201C Model LR-271C Model LW-201C
Model LO-201C Model LR-271C Model LW-201C
This Model LO-201C laboratory oven is a compact and economical unit. It has a work space that measures 12" wide x 10" deep x 10" high. Temperatures to 200°C (392°F).   Used when a large work space and high temps. are required. Resilient silicone rubber door gasket. Work space measures 13" wide x 13" deep x 13" high. Temperatures to 270°C (518°F).   The largest laboratory oven affording more than twice the capacity of the LO-201C. Work space, 18" wide x 12" deep x 16" high. Temperatures to 200°C (392°F).



FEATURES TECHNICAL DATA MORE INFO PRICE LIST
 

 

Features

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Low cost, fully equipped, all purpose laboratory ovens for sample drying, baking, annealing, conditioning, sterilizing, evaporating and dehydrating, and other general laboratory work.

  • Fully factory tested
  • Sturdy welded steel construction
  • Thermostatically controlled
  • Over-temperature protection
  • 3-wire cord & plug standard on 120 volt models
  • On/off switch and a Mercury thermometer
  • Damper controlled gravity air circulation
  • 2 nickel plated shelves adjustable at 1/2" increments
  • Red pilot light that indicates heater action
  • Incoloy sheathed tubular heating element
  • Brushed stainless steel exterior
  • Corrosion resistant galvanized steel interior
  • 6 lbs/cf density industrial rockwool insulation

 

Technical Data

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Technical Data
  OV-LO-201C OV-LW-201C OV-LR-271C
Work Space Dimensions: 12"x 10"x 10" 18" x 12"x 16" 13"x 13"x 13"
Volume (Cu Ft): 0.7 2 1.3
Outside Dimensions: 14"x 12"x 19" 20"x 14" x 25" 17"x 17-3/8"x 24"
Maximum Temperature: 200°C 200°C 270°C
No. of Shelves: 2 2 2
Insulation: 1" 1" 2"
Watts: 800 1600 800
Weight Approx.: 41 lbs 72 lbs 72 lbs

 

Standard Equipment

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■ Standard Electrical Characteristics:
- 120V , 50-60 Hz, 3-wire cord and plug
- 240V, 50-60 Hz, 3-wire cord (Can be operated on 208 volts. Heat input will be reduced by 20%.)
Circulation Diagram
 
■ Standard Temperature Control System
Models LO-201C and LW-201C
Bimetal control thermostat sets desired oven temperature. Thermal cutoff limits maximum oven temperature. Red pilot light indicates heater operation. Top mounted dial thermometer.
Model LR-271C
Primary hydraulic control thermostat sets desired oven temperature. Second manual reset hydraulic thermostat limits maximum oven temperature. Red pilot light indicates heater operation. Top mounted dial thermometer.
■ Gravity Convection
All Models
Heat is transferred from the bottom up through the oven chamber by natural convection and exits through vents in the oven top. Adjustable fresh air inlet damper at the oven bottom provides control of the amount of fresh air entering the oven.

NOT FOR USE WITH FLAMMABLE SOLVENTS OR VAPORS. OTHER MODELS AVAILABLE FOR THESE APPLICATIONS - PLEASE CONSULT US.

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Description Prices (Ea) Addt'l Shelves*:
OV-LO-201C 12" wide x 10" deep x 10" high oven $680.00 72.00
OV-LW-201C 18" wide x 12" deep x 16" high oven 882.00 98.00
OV-LR-271C 13" wide x 13" deep x 13" high oven 993.00 77.00
*15 lbs. distributed load per shelf. 30 lbs. maximum oven load. Each additional shelf includes four (4) support clips.
Please specify 120V or 240V

 

 

 

Bench Ovens

Model NBS-400 - For Flammables

These rugged bench ovens are designed for a wide variety of industrial heat processing applications. Models are available for those applications where flammable solvents or vapors will be present in the oven. Model NBS-400 - shown with optional shelves.
16” x 8” x 12” exhaust hood not shown
Model NBS-400



FEATURES | TECHNICAL DATA | PRICE LIST
 

 

Features

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  • Manual reset excess temperature controller turns off heat if oven exceeds 400°F.
  • Back-up heating element relay turns off oven heat on excess temperature controller actuation in the event of failure of the primary heating element relay
  • 35 CFM separately powered forced exhauster provides safety ventilation
  • Exhauster air flow safety switch turns off oven heat if exhauster fails
  • Recirculating blower air flow safety switch turns off oven heat if recirculating blower fails
  • Purge Timer provides time delay to allow exhauster to pull four oven volumes of air through the oven prior to turning oven heat on.

All the features of Model NB-350 combined with the safety equipment required when flammable solvents or vapors are present in an oven. Model NBS-400 meets the requirements of OSHA and National Fire Protection Association Standard 86 for Class A ovens. Not for use in hazardous locations as defined in the National Electric Code.

Same as Model NB-350, plus additional safety equipment required by OSHA and NFPA 86 for Class A ovens. Will handle a maximum of 3 oz. (0.024 gallons) of flammable solvents or vapors per batch at a maximum temperature of 400°F.

Note: Model NB-350 is NOT for use with flammable solvents or vapors — use Model NBS-400, which includes additional safety equipment required by OSHA and NFPA 86 for handling a maximum of 3 oz. (0.024 gallons) of flammable solvents or vapors per batch at a maximum temperature of 400°F.


 

Technical Data

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Technical Data
  OV-NBS-400
Work Space Dimensions: 28"x 24"x 18"
Volume (Cu Ft): 7
Outside Dimensions: 41"x 30"x 39 "
Maximum Temperature: 400°F
Insulation: 2"
Watts: 4000
Weight Approx.: 300 lbs

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
OV-NBS-400 Oven for flammables, 230V $7,711.00
OV-NB-S Optional Shelves Each 118.00
208V and 460V Available, 115V Not Available. Available in single phase only.

 

 

 

Forced Convection Bench Oven

Economical ovens easily moved to various locations. For processing large parts, baking, drying components after cleaning, dehydration, preheating, curing and other applications requiring circulation of heated air. Model NB-350



FEATURES | TECHNICAL DATA | MODELS | MORE INFO | PRICE LIST
 

 

Features

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  • Recirculating blower
  • 304 stainless steel interior
  • Incoloy sheathed tubular heating elements
  • 6 lb/cf density industrial rockwool insulation
  • Sturdy steel construction
  • Calibrated temperature controller
  • Manual reset excess temperature controller
  • On-off switch
  • Red pilot light indicates heater operation
  • Brushed stainless steel exterior
  • Silicone rubber door gasket
  • 3-wire cord and plug on 115 volt model
  • Fully factory tested
  • 1 year limited warranty

 

Technical Data

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Technical Data
  OV-NB-350 OV-NB-550 OV-DR-350
Work Space Dimensions: 28"x 24"x 18" 26" x 22"x 16" 8 Drawers ‡
Volume (Cu Ft): 7 5.3 4.8
Outside Dimensions: 41"x 30"x 23" 41"x 30" x 23" 41"x 30" x 23"
Maximum Temperature: 350°F 550°F 350°F
Insulation: 2" 3" 2"
Watts 115V*/208V&230V: 2000/2000 2400/3000 2000/2000
Weight Approx.: 210 lbs 235 lbs 285 lbs

 

Models

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Model NB-350

Provides 7 cubic feet of work space at temperatures to 350°F. Includes two (2) removable nickel plated wire shelves easily adjustable on 2" centers. Holds a maximum of seven (7) shelves.

Widely used for drying small items, preheating plastics, drying powdered metals, and curing potting compounds. Double doors for easy loading of large parts.

Model NB-350

Model NB-550

Similar to Model NB-350. Also includes two (2) shelves and will hold a maximum of seven (7) shelves. Provides over 5 cubic feet of work space at temperatures to 550°F.

Ideal for high temperature processes such as annealing springs and plated parts.

Model NB-550

Model DR-350

Specially designed for processing and drying of plastic granules, powdered metal parts and other small parts that must be separated. Eight (8) individual 304 stainless steel drawers keep parts separated and allow individual inspection or removal without opening conventional doors. This reduces heat loss and prevents process interruption.

Temperatures to 350°F. Standard drawers have 3/4" diameter perforations on 1-1/4" staggered centers on bottom and sides. Solid drawers also available.

Model DR-350

 

Standard Equipment

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Standard Electrical Characteristics
115V, 60 Hz, 3-wire cord with plug
208V, 1-phase, 60 Hz
230V, 1-phase, 60 Hz
Other Electrical Characteristics Available
 
■ Standard Temperature Control System
Calibrated main temperature controller regulates desired oven temperature. Independent manual reset excess temperature controller protects against failure of main temperature controller. On-off switch located on panel controls electrical power to oven. Red pilot light indicates heater operation.

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Description Prices:
OV-NB-350 28"x 24"x 18" oven 115V $2,156.00
208V 2,932.00
230V 2,398.00
(Ea) Additional Shelves § 118.00
OV-NB-550 26" x 22"x 16" oven 115V 3,808.00
208V 4,584.00
230V 4,050.00
(Ea) Additional Shelves § 109.00
OV-DR-350 8 Drawers ‡ oven 115V 3,207.00
208V 3,981.00
230V 3,447.00
(Ea) Additional Shelves § N/A
* Model NB-550 requires 30 ampere service on 115 volts.
‡ Eight (8) individual 304 stainless steel drawers each 11-3/4"W x 25"D x 2"H (3-1/2" total height clearance). Perforated
metal bottoms and sides standard, solid bottoms and sides available at no additional cost.
§20 lbs. distributed load per shelf. 40 lbs. maximum oven load.
Additional Equipment Available
Set of Eight (8) 304 Stainless Steel Drying Pans, 11-1/2"W x 20"D x 2"H (NB Models only, requires two (2) additional shelves) 751.00
Oven Stand, raises unit to convenient 31" work level (Shipped separately, requires assembly) 478.00
Exhaust Chamber Adapter, to fit standard 3" stove pipe (Shipped separately, requires assembly) 335.00
Digital Indicating Temperature Controller, microprocessor based, thermocouple actuated, in lieu of standard controller 1,132.00
Digital Timing Temperature Controller, microprocessor based, digital indicating, incorporates 99 hour 59 minute timer. Starts timing when temperature reaches set point and shuts down oven heat at end of set time. 1,817.00
Programmable Temperature Controller, microprocessor based, digital indicating, thermocouple actuated, in lieu of standard controller 2,470.00
Shut Down Timer, with continuous "hold" feature.  
60 minute range 270.00
12 hour range 352.00
Complete line of Grieve ovens also available...CALL for current information and pricing.



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