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PRECISION/NAPCO
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OVENS |
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FREAS OVENS |
FREAS HIGH PERFORMANCE OVENS
Precision Freas® Ovens are ideal for applications where high temperatures and ultra-precise temperature control are essential. The high-quality construction, horizontal mechanical convection and high-efficiency insulation provide temperature uniformity as precise as ± 0.5°C with excellent uniformity and air exchange. There are five different models available including the Model 605P with an extra baffle that provides low air flow for precise drying and testing of materials with minimal disruption of volatile components. The Model 625S Safety Oven features a rear blowout panel with retaining cage and positive-action front door catches for volatile material testing. These ovens require hardware installation by a qualified electrician.
General Features
Temperature range to 325°C with excellent uniformity and air exchange
Highly responsive RTO sensor provides sensitivity of ±0.1°C or better
12-hour mechanical timer
Sophisticated PID temperature controller
High limit safety with built-in circuit breaker
Powerful microprocessor
Woven stainless steel/fiberglass door gasket
Side mounted turbo blowers
Stainless steel interior
Solid chamber floor
Non-tip shelving
Conforms to ASTM E145 Type IIA, ASTM D-2436, and UL 746B performance/uniformity standards
UL listed
Performance Specifications
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Models |
605 |
605P | 625 | 625S | 645 |
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Chamber Volume |
1.4 cu. ft. 39 liters |
1.4 cu. ft. 39 liters |
4.0 cu. ft. 112 liters |
4.0 cu. ft. 112 liters |
9.5 cu. ft. 268 liters |
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Temperature Control |
Microprocessor |
Microprocessor |
Microprocessor |
Microprocessor |
Microprocessor |
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Temperature Display |
Two lines, 4-digit LED |
Two lines, 4-digit LED |
Two lines, 4-digit LED |
Two lines, 4-digit LED |
Two lines, 4-digit LED |
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Temperature Range |
Amb.±15°C to 325 |
Amb.±15°C to 325 |
Amb.±15°C to 325 |
Amb.±15°C to 325 |
Amb.±15°C to 325 |
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Uniformity at 100°C |
±0.5°C | ±0.5°C | ±0.5°C | ±0.5°C | ±0.5°C |
| Uniformity at 200°C | ±1.0°C | ±1.0°C | ±0.9°C | ±0.9°C | ±1.0°C |
| Uniformity at 300°C | ±2.5°C | ±2.5°C | ±2.2°C | ±2.2°C | ±2.1°C |
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Sensitivity |
±0.1°C | ±0.1°C | ±0.1°C | ±0.1°C | ±0.1°C |
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Heat-up Time to 325°C |
60 Minutes |
60 Minutes |
50 Minutes |
50 Minutes |
45 Minutes |
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Recovery Time1 |
2.5 Minutes |
2.5 Minutes |
4 Minutes |
4 Minutes |
4 Minutes |
| Air Changes (Max) | 128/hour | 128/hour | 195/hour | 195/hour | 155/hour |
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Chamber Dimensions L x W x H in" |
13 x 14 x 13 |
13 x 14 x 13 |
19 x 19 x 19 |
19 x 19 x 19 |
19 x 36 x 24 |
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Shelf Dimensions L x W x H in" (each) |
12 x 13 |
12 x 13 |
18 x 18 |
18 x 18 |
17.5 x 35.5 |
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Exterior Dimensions (L x W x H in" |
24 x 38.5 x 25 |
24 x 38.5 x 25 |
28 x 45 x 29 |
32 x 45 x 29 |
31 x 65 x 36 |
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Electrical Specs (50/60Hz) 120V |
2500 Watts 20.8 Amps |
2500 Watts 20.8 Amps |
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Electrical Specs (50/60Hz) 208/230V |
2500 Watts 10.9 Amps |
2500 Watts 10.9 Amps |
3700 Watts 16.1 Amps |
3700 Watts 16.1 Amps |
4800 Watts 20.9 Amps |
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BTU Output |
753 |
753 |
1084 |
1084 |
1084 |
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Net Weight lbs |
230 |
230 |
252 |
292 |
415 |
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Shelves2 |
2 supplied, 7 maximum |
2 supplied, 7 maximum |
2 supplied, 11 maximum |
2 supplied, 11 maximum |
2 supplied, 12 maximum |
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Shipping Weight lbs. |
270 |
270 |
310 |
315 |
500 |
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Catalog No. 120V |
51221137 |
51221208 |
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Catalog No. 208/230V3 |
51221138 |
51221209 |
51221139 |
51221141 |
51221140 |
1At 200°C with 30 second door opening.
2Spacing between shelves is 0.6 in. (40mm)
350/60 Hz
Call us today. We won’t make you wait for the future.