Thermo Scientific PR305225M, PR305220M Data Sheet

Thermo Scientific Precision Ovens

Performance, quality and value for sample heating and drying

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Global Leadership in Quality and Reliability

For more than 50 years, Thermo Scientific products
have been trusted by the world’s leading biotechnology,
pharmaceutical, academic, industrial and clinical
laboratories. Our solutions deliver the performance,
quality and reliability required by researchers and
clinicians worldwide.

Thermo Scientific

The new Thermo Scientific Precision oven series
provides a complete range of sample heating

Precision Ovens

and drying solutions that deliver exceptional
performance, quality and value.

Our Precision®ovens are suited for all of your laboratory heating
and drying processes – from basic drying to high-performance
temperatures from ambient +5°C up to 325°C.
Our ovens include:

Precision High-Performance Ovens:

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Ultra-precise temperature stability and recovery

Precision Premium Ovens:

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Exceptional temperature control

Precision Standard Ovens:

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Everyday sample drying and heating

Precision Compact Ovens:

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Space-savings design, basic applications

Chemical resistance studies

Drug metabolism studies

Dry content analysis

Tissue drying

Drying and/or baking non-flammable crystalline chemicals

Drying filter paper strips or rounds

Fine chemical precipitation

Glassware drying

Moisture determinations

Paper drying

Pre-heating crucibles or other containers

Proteins and starch digestion

Textile drying

Total solids drying

Precision High-

Performance Ovens

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Precision

Premium Ovens

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Precision

Standard Ovens

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Precision

Compact Ovens

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Thermo Scientific Precision High-Performance Ovens

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Precise Temperature
Stability and Recovery

Our Precision high-performance ovens are built for drying
applications requiring high temperatures, ultra-precise
temperature stability and reproducibility with a very broad
temperature range of ambient +15°C to 325°C.

Three Sizes

1.4 cu. ft. (39 L) holds seven adjustable shelves (two included*)

4.0 cu. ft. (113 L) holds 11 adjustable shelves (two included*)

9.5 cu. ft. (269 L) holds 12 adjustable shelves (two included*)
(*Additional shelves are sold separately)

Excellent Temperature Stability
and Uniformity

High-quality construction and high­efficiency insulation provide tempera­ture uniformity as precise as ± 0.5°C
with excellent stability in the face of
frequent air exchange.

Mechanical Convection for Precise
Heating

Mechanical convection provides uniform
heating, precise temperature control
and fast drying using a blower that
circulates heated air in a horizontal
airflow pattern.

Precise Temperature Sensitivity

Highly responsive RTD sensor provides
temperature sensitivity of ±0.1°C
or better.

High efficiency insulation ensures
uniformity ±0.5°C at 100°C and ±2.5°C
at 300°C.

Turbo blowers for efficient drying are
side mounted within the stainless steel
chamber.

Conforms to Industry Standards

Complies with ASTM E145 Type IIA,
ASTM D-2436, and UL 746B
performance/uniformity standards.

Advanced Microprocessor PID
Controls

Intuitive microprocessor PID controls
deliver detailed information on current
temperature set-points.

Over-Temperature Protection

Built-in 12-hour mechanical timer along
with user-adjustable safety thermostat
allows for power cut-out in case of
over-temperature.

Energy-Efficient Design

High-limit safety with built-in circuit
breaker protects the oven from power
surges. A fiberglass door gasket
prevents heat loss and low-density
heating elements ensure long life.

Easy Cleaning

Stainless steel interior with a solid
chamber floor ensures easy cleaning.
All non-tip shelves can be quickly and
easily dismounted for thorough cleaning.

Two Specialty Units

Model 605P: Extra baffle provides low
air flow for precise drying and testing of
materials with minimal disruption of
volatile components.

Model 625S: Features a rear blowout
panel with retaining cage and positive
action front-door catches for volatile
material testing.

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Precision High Performance Ovens • Specifications and Ordering Information

Models 605 605P 625 625S 645
Chamber Volume 1.4 cu. ft. / 39 L 1.4 cu. ft. / 39 L 4.0 cu. ft. / 113 L 4.0 cu. ft. / 113 L 9.5 cu. ft. / 269 L
Temperature Control Microprocessor Microprocessor Microprocessor Microprocessor Microprocessor
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
Temperature Range Amb. +15 °C to 325°C Amb. +15 °C to 325°C Amb. +15 °C to 325°C Amb. +15 °C to 325°C Amb. +15 °C to 325°C
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
Sensitivity ±0.1°C ±0.1°C ±0.1°C ±0.1°C ±0.1°C
Heat-up Time to 325 °C 60 minutes 60 minutes 50 minutes 50 minutes 45 minutes
Recovery Time
Air Changes (Max) 128/hour 128/hour 195/hour 195/hour 155/hour
Dimensions (W x H x D)

Chamber 14 x 13 x 13 in. 14 x 13 x 13 in. 19 x 19 x 19 in. 19 x 19 x 19 in. 36 x 24 x 19 in.

Exterior 38.5 x 25 x 24 in. 38.5 x 25 x 24 in. 45 x 29 x 28 in. 45 x 29 x 32 in. 65 x 36 x 31 in.

Electrical Specs

(50 /60Hz)

115V 2500 Watts /20.8 Amps 2500 Watts /20.8 Amps – – –
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

Max. BTU/Hr 8538 8538 12,636 12,636 16,393
Shelves
Net Weight 230 lbs. (104.3 kg) 230 lbs. (104.3 kg) 252 lbs. (114.3 kg) 292 lbs. (132.5 kg) 415 lbs. (188.2 kg)
Catalog Number

115V 6050 6050 – – –
208 /230V

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2.5 minutes 2.5 minutes 4 minutes 4 minutes 4 minutes

(35.6 x 33 x 33 cm) (35.6 x 33 x 33 cm) (48.3 x 48.3 x 48.3 cm) (48.3 x 48.3 x 48.3 cm) (91.4 x 61 x 48.3 cm)

(97.8 x 63.5 x 61 cm) (97.8 x 63.5 x 61 cm) (114.3 x 73.7 x 71.1 cm) (114.3 x 73.7 x 83.8 cm) (165.1 x 91.4 x 78.7 cm)

*

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2 supplied, 7 max 2 supplied, 7 max 2 supplied, 11 max 2 supplied, 11 max 2 supplied, 12 max

6051 6053 6054 6055 6056

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At 200 °C with 30-second door opening.

2

Spacing between shelves is 1.6 in. (40 mm).

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50/60Hz

12 months warranty (parts and labor)
All models are UL listed.
Models require hardwired installation by a qualified technician.

* Additional shelves, clips included Catalog Number

Model 605/605P 3166188

Model 625/625S 3166179

Model 645 3166180

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Thermo Scientific Precision Premium Ovens

Exceptional Temperature Control

Featuring advanced microprocessor controls and
temperature stability, our Precision premium ovens
are ideal for your precise heating applications with
a temperature range of 50°C to 275°C.

Advanced Microprocessor Controls

Intuitive microprocessor controls
deliver detailed information on current
temperature and set-points.

Setting the oven temperature is simple
with no tuning required. Settings are
stored in memory when oven is off.

Choice of Mechanical or Gravity
Convection Models

Mechanical convection provides uniform
heating, precise temperature control
and fast drying using a blower that
circulates heated air in a horizontal
airflow pattern.

Gravity convection models offer gentle
drying with low turbulence convection
that moves the air vertically through the
oven chamber to heat samples.

Excellent Temperature Uniformity

Temperature uniformity at 200°C
proficient to ±3°C

Over-Temperature Protection

Visual over-temperature alarms and
built-in safety backup maintains temper­ature control at 5°C above setpoint
should the primary control fail. Thick
wall and door insulation maintain safe
exterior temperature to prevent burns.

Energy-Efficient Design

A circuit breaker protects the oven from
power surges. A silicone gasket on the
oven door prevents heat loss and low­density heating elements ensure long life.

Easy Cleaning

Enamel-painted steel exterior and a
stainless-steel interior are easy to
clean. Doors open 180° for unhindered
access.

Three Sizes

2.5 cu. ft. (71 L) holds five adjustable shelves (one included*)

3.75 cu. ft. (106 L) holds eight adjustable shelves (one included*)

5.0 cu. ft. (142 L) holds 11 adjustable shelves (two included*)
(*Additional shelves are sold separately)

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Precision Premium Ovens • Specifications and Ordering Information

Gravity Convection Models

Chamber Volume 2.5 cu.ft. / 71 L 3.75 cu.ft. / 106 L 5 cu.ft. / 142 L
Convection Gravity Gravity Gravity
Temperature Control Microprocessor Microprocessor Microprocessor
Temperature Display LED LED LED

Temperature

Range
Uniformity at 200°C
Sensitivity

Recovery Time

50°C to 275°C
±4°C
±0.5°C

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2 minutes 3 minutes 4 minutes

50°C to 275°C
±4°C
±0.5°C

50°C to 275°C
±4°C
±0.5°C

Dimensions: (W x H x D)

Chamber 18 x 13.5x 18 in.

(46 x 34 x 46 cm)

Exterior 25.8 x 26 x 23.5 in.

(65 x 66 x 60 cm)

18 x 20 x 18 in.
(46 x 51 x 46 cm)

25.8 x 33 x 23.5 in.
(65 x 84 x 60 cm)

18 x 26.5 x 18 in.
(46 x 67 x 46 cm)

25.8 x 39.3 x 23.5 in.
(65 x 100 x 60 cm)

Electrical Specs

120 Volts 1300 Watts/11 Amps 1800 Watts/15 Amps 1800 Watts/15 Amps
240 Volts 1300 Watts/5.5 Amps 1800 Watts/7.5 Amps 1800 Watts/7.5 Amps

BTU Output 1325 2025 2140
Shelves* 1 supplied, 5 max 1 supplied, 8 max 2 supplied, 11 max
Shipping Weight 115 lbs. / 52 kg 130 lbs. / 59 kg 145 lbs. /66 kg
Catalog Number

120V PR305045G PR305055G PR305065G
+240V PR305040G PR305050G PR305060G

Mechanical Convection Models

2.5 cu.ft. / 71 L 3.75 cu.ft./ 106 L 5 cu.ft./ 142 L
Mechanical Mechanical Mechanical
Microprocessor Microprocessor Microprocessor
LED LED LED

50°C to 275°C
±3°C
±0.5°C

50°C to 275°C
±3°C
±0.5°C

50°C to 275°C
±3°C
±0.5°C

2 minutes 2 minutes 2.5 minutes

18 x 13.5 x 18 in.
(46 x 34 x 46 cm)

25.8 x 26 x 23.5 in.
(65 x 66 x 60 cm)

18 x 20 x 18 in.
(46 x 51 x 46 cm)

25.8 x 33 x 23.5 in.
(65 x 84 x 60 cm)

18 x 26.5 x 18 in.
(46 x 67 x 46 cm)

25.8 x 39.3 x 23.5 in.
(65 x 100 x 60 cm)

1300 Watts/11 Amps 1800 Watts/15 Amps 1800 Watts/15 Amps
1300 Watts/5.5 Amps 1800 Watts/7.5 Amps 1800 Watts/7.5 Amps
2750 2925 3095
1 supplied, 5 max 1 supplied, 8 max 2 supplied, 11 max
120 lbs. / 54 kg 127 lbs. / 58 kg 135 lbs. /61 kg

PR305045M PR305055M PR305065M
PR305040M PR305050M PR305060M

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At 200°C with 30 second door opening

+Standard plug is European/International version.

12 month warranty (parts and labor)
All 120 V models are UL/cUL listed.

* Additional shelves, with clips for all Precision Premium Ovens

Catalog Number 13247S

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Thermo Scientific Precision Standard Ovens

Uniform, Gentle Drying for Everyday Needs

Featuring electronic controls and gravity convection,
our Precision standard ovens are ideal for your
everyday laboratory heating and drying needs with
a temperature range of 50°C to 225°C.

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Uniform, Gentle Heating

Gravity-convection features a vertical
air circulation pattern with low air
turbulence to ensure even heating and
accurate temperature – perfect for
drying samples, such as fine powders,
requiring low turbulence air flow.

Easy-to-Use Electronic Controls

Electronic control allows quick and easy
temperature setting. Indicator lights
clearly display power on-off settings.
A port on top of the oven allows you to
insert monitoring sensors.

Quick Temperature Recovery

Fast temperature recovery in minutes,
after oven door is opened.

Over-Temperature Protection

Thick fiberglass insulation maintains
interior heat while keeping exterior and
door handle at a safe temperature.
Built-in safety backup maintains tem­perature control at 5°C above setpoint
should the primary control fail.

Energy-Efficient Design

A circuit breaker protects the oven
from power surges in order to maximize
energy efficiency.

Simple-to-Use and Clean

Durable, powder-coated steel exterior
and stainless-steel interior are easy to
clean and corrosion resistant.

Doors open 180° for easy access and
feature two grabber-type latches.

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Precision Standard Ovens • Specifications and Ordering Information

Chamber Volume 2.5 cu.ft. / 71 L 3.75 cu.ft. / 106 L 5 cu.ft. / 142 L
Convection Gravity Gravity Gravity

emperature Control

T
Temperature Display LED LED LED

Temperature

ange

R
Uniformity at 200°C
Sensitivity

Recovery Time

1

Dimensions: (W x H x D)

Chamber

lectronic

E

0°C to 225°C

5
±5°C
±0.5°C

lectronic

E

0°C to 225°C

5
±5°C
±0.5°C

lectronic

E

0°C to 225°C

5
±5°C
±0.5°C

2 minutes 4 minutes 4 minutes

18 x 13.5 x 18 in.
(46 x 34 x 46 cm)

18 x 20 x 18 in.
(46 x 51 x 46 cm)

18 x 26.5 x 18 in.
(46 x 67 x 46 cm)

Exterior 25.8 x 26 x 23.5 in.

(65 x 66 x 60 cm)

25.8 x 33 x 23.5 in.
(65 x 84 x 60 cm)

25.8 x 39.3 x 23.5 in.
(65 x 100 x 60 cm)

Electrical Specs

120 Volts 1300 Watts /11 Amps 1300 Watts / 11 Amps 1300 Watts / 11 Amps
240 Volts 1300 Watts /5.5 Amps 1300 Watts / 5.5 Amps 1300 Watts / 5.5 Amps

BTU Output 1325 2025 2140
Shipping Weight 115 lbs. /52 kg 125 lbs. / 57 kg 140 lbs. / 64 kg
Catalog Number

120 Volts PR305145G PR305155G PR305165G
+240 Volts PR305140G PR305150G PR305160G

1

At 200°C with 30 second door opening

+ Standard plug is European/International version.

12 month warranty (parts and labor)
All 120V models are UL/cUL listed.

Three Sizes

2.5 cu. ft. (70.8 L) holds five adjustable shelves (one included*)

3.75 cu. ft. (106.2 L) holds eight adjustable shelves (one included*)

5.0 cu. ft. (141.6 L) holds 11 adjustable shelves (two included*)
(*Additional shelves are sold separately)

* Additional shelves for all Precision Standard Ovens Catalog Number 13247S

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Thermo Scientific Precision Compact Ovens

Compact Design, Economical Operation

Featuring a compact design, our Precision compact
ovens are ideal for your drying and baking applications
with a temperature range of ambient +5°C to 210°C.

Efficient, Space-Savings Design

Compact footprint conserves valuable
bench top space.

Over-Temperature Protection

Pre-set high temperature safety
thermostat ensures over-temperature
protection. Pilot light visually indicates
oven operation status.

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Choice of Mechanical or Gravity­Convection Models

Mechanical-convection models provide
uniform heating, precise temperature
control and fast drying. Models also
feature a hydraulic thermostat, LED
display and a stainless steel chamber.

Gravity-convection models offer gentle
drying with low turbulence convection
that moves the air vertically through the
oven chamber to heat samples. Gravity
models feature bimetallic thermostat
and aluminum chamber.

Durable Construction

Features a double wall interior with
1” silica-based insulation and powder­coated, cold-rolled steel exterior.

Precision Compact Ovens • Specifications and Ordering Information

Gravity Convection Models Mechanical Convection Models

Chamber Volume 0.7 cu.ft. / 20 L 1.7 cu.ft. / 48 L 1.7 cu.ft. / 48 L
Convection Gravity Gravity Mechanical
Temperature Control Bimetallic thermostat Bimetallic thermostat Hydraulic thermostat

Temperature

Range
Uniformity at 100°C

Time to Reach 200°C 52 minutes 52 minutes 30 minutes
Dimensions: (W x H x D)

Chamber

Exterior 12.5 x 18 x 13.5 in.

Electrical Specs

120V
240V

Shipping Weight 35 lbs. / 16 kg 57 lbs. / 26 kg 80 lbs. / 36 kg
Catalog Number

120V
+240V

+ Standard plug is European/International version.

Ambient +5°C to 210°C
±5°C

10 x 11.3 x 11.5in.
(25 x 29 x 29 cm)

(32 x 46 x 34 cm)

500 Watts /4.2 Amps 800 Watts / 6.7 Amps 1200 Watts /10.0 Amps
500 Watts /2.1 Amps 800 Watts / 3.3 Amps 1200 Watts /5.0 Amps

PR305215G PR305225G PR305225M
PR305210G PR305220G PR305220M

Ambient +5°C to 210°C
+5°C

16 x 16.2 x 11.5in.
(41 x 41 x 29 cm)

18.5 x 22.5 x 13.5 in.
(47 x 57 x 34 cm)

Ambient +5°C to 210°C
±7°C

16 x 16 x 11.5 in.
(41 x 41 x 29 cm)

18.4 x 25 x 15.6 in.
(47 x 64 x 40 cm)

12 month warranty (parts and labor)
All models are UL/cUL listed.

Two Sizes

0.7 cu. Ft. (20 L) includes one fixed and two adjustable shelves*

1.7 cu. Ft. (48 L) includes one fixed and two adjustable shelves*
(*Additional shelves are sold separately)

* Additional shelf kit for 0.7 cu.ft units (PR305215G, 10G)

Catalog Number 3510-8Q

Additional shelf kit for 1.7 cu.ft gravity convection units (PR305225G, 20G)

Catalog Number 3511-8Q

Additional shelf kit for 1.7 cu.ft mech. convection units (PR305225M, 20M)

Catalog Number 3515M-8Q

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Available only in North America

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Germany international [phone], Italy [phone]-254-375, Netherlands [phone],
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Switzerland [phone], UK/Ireland [phone]
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Other Asian countries [phone]

---Countries not listed: [phone] or [phone]

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