Cascade Tek TFO-3 Forced Air Drying Oven

The Cascade Tek TFO-3 is a 3 cubic foot forced air laboratory oven designed for precise heating and drying applications in research, quality control, and industrial settings. This model features forced-air circulation for uniform temperature distribution, a programmable Watlow EZ-ZONE controller for customized heating profiles, and a stainless steel interior for durability and ease of cleaning. Its robust construction and reliable performance make it suitable for demanding laboratory and manufacturing environments.

## Technical Specifications

### Capacity and Dimensions
* **Interior Volume:** 3 cu.ft. (85 liters)
* **Interior Dimensions (W x D x H):** 16.5″ x 19.5″ x 16.2″ (419 x 495 x 412mm)
* **Exterior Dimensions (W x D x H):** 26.9″ x 28.6″ x 34.0″ (684 x 727 x 840mm)
* **Unit Weight:** 170.5 lbs (77.3 kg)
* **Shipping Weight:** 170.5 lbs (77.3kg) (Note: Some sources list shipping weight as 216 lb or 220 lbs)

### Temperature Control
* **Temperature Range:** 20°C above ambient to 306°C (Some sources list up to 300°C)
* **Controller:** Watlow EZ-ZONE PID (Note: Older models may use Watlow EZ controllers, and newer models may offer an upgrade to the Watlow F4T Touchscreen Controller)
* **Programmable Features:** Ramp and soak capabilities, ability to store and execute up to 4 recipes with up to 40 steps
* **Integrated Over Temperature Limit (OTL):** Digital set-point for additional temperature limit control
* **Temperature Uniformity:**
* ±1°C at 80°C
* ±1.80°C at 150°C
* ±3°C at 150°C
* ±5.00°C at 306°C
* **Heat-Up Time:**
* To 80°C: 6.0 minutes
* To 150°C: 27 minutes (Some sources list 20 minutes or 15 minutes)
* To 306°C: 124 minutes
* **Recovery Time after Door Opening (30 sec.):**
* To 80°C: 1.5 minutes
* To 150°C: 2 minutes (Some sources list 3 minutes)
* To 306°C: 18 minutes
* **Recovery Time after Door Opening (60 sec.):**
* To 80°C: 2 minutes
* To 150°C: 4.5 minutes
* To 306°C: 36 minutes

### Airflow
* **Air Flow Rate:** 11.3 CFM (Some sources list 5.6 CFM)
* **Air Changes Per Hour (at Max):** 225
* **Forced Air Circulation:** Ensured for maximum temperature uniformity

### Construction
* **Interior Construction:** 300 series stainless steel
* **Exterior Construction:** 20 gauge steel, powder coated
* **Insulation:** 1 inch (25mm) wall insulation
* **Door Gasket:** Standard door gasket is woven fiberglass, fluorocarbon coated, rated for 300°C max. Silicone gaskets (235°C Max) are also mentioned.

### Shelving
* **Standard Shelves:** 2 (Note: Some sources list 3 standard shelves)
* **Maximum Shelves:** 7
* **Maximum Weight Per Shelf:** 50 lbs / 22.6 kg
* **Permitted Total Load:** 200 lbs / 91 kg
* **Shelf Material:** Stainless steel, adjustable on 0.5″ (12.7mm) centers

### Interfaces and Ports
* **Access Port:** 1.75″ diameter rear port (Some sources list 2.5″ rear port)
* **Serial Communication Port:** DB25 pin RS-485 serial comm port
* **Intake and Exhaust Ports:** 3.0″ diameter (76 mm), adjustable, with external connections for customer-supplied vent

### Electrical Specifications
* **Voltage:** 110V-120V (220V configurations are also available)
* **Frequency:** 50/60Hz
* **Phase:** 1Ø
* **Full Load Amps:** 14A
* **Recommended Breaker:** 15 Amps
* **Nominal Power (watts @150°C):** 675W
* **Heater Wattage:** 1600 Watts
* **NEMA Plug Supplied:** 5-15P
* **Energy Consumption (kWh/day):**
* At 80°C: 7.2 kWh/day
* At 150°C: 13.1 kWh/day
* At 306°C: 23.5 kWh/day

### Safety and Compliance
* **Certifications:** TÜV SÜD America: Canada CSA 61010-1, USA UL 61010-1, EU EN 61010-1, CE
* **Internationally Certified:** CAN/CSA, UL, EN, IEC 61010, and compliant with CE
* **Overtemperature Safety:** Integrated Over Temperature Limit (OTL) with digital set-point

### Environmental Conditions
* **Operating Ambient Temperature Range:** 59°F to 104°F (15°C to 40°C)
* **Maximum Relative Humidity:** 80% (at 77°F / 25°C)
* **Ambient Air Pressure Range:** 22.14 – 31.3 inHg (75 – 106 kPa)

### Physical Requirements
* **Ventilation Clearances:**
* Vertical Clearance: 24.0” (600mm)
* Wall Clearance, Each Side: 6.0” (152mm)
* Wall Clearance, Rear: 12.0” (300mm)
* **Leveling Feet:** Included for stability and proper air circulation

## Why Choose Aumictech for Cascade Tek TFO-3?
At Aumictech, we specialize in supplying high-end laboratory and industrial equipment. Whether you need reliable heating solutions for material testing, precise drying for sample preparation, or efficient curing for production processes, our team ensures the Cascade Tek TFO-3 delivers maximum performance for your application.