Page 1
Specifications
Model
Exterior dimensions
(W x D x H)
Interior dimensions
(W x D x H)
Capacity
Cooling performance
Control range
Baskets
Access ports
Compressor
Refrigerant
Alarm system
Calibration
Options
MDF-137
*
640 x 687 x 881 (mm)
25.2 x 27.0 x 34.7 (inch)
525 x 440 x 715 (mm)
20.7 x 17.3 x 28.1 (inch)
138L (4.9 cu. ft.)
-30°C (AT: 35°C, no load)
-20°C to -30°C
2
MDF-237
905 x 687 x 881 (mm)
35.6 x 27.0 x 34.7 (inch)
790 x 440 x 715 (mm)
31.1 x 17.3 x 28.1 (inch)
221L (7.8 cu. ft.)
*
1265 x 807 x 905 (mm)
49.8 x 31.8 x 35.6 (inch)
1140 x 550 x 735 (mm)
44.9 x 21.7 x 28.9 (inch)
426L (15.0 cu. ft.)
-35°C (AT: 35°C, no load)
3
17mm diameter, right-hand side and bottom left
Hermetic, 150W
Hermetic, 200W
• High/low temperature alarm (SV ±5°C to ±15°C adjustable) • Power failure • Remote alarm contact
Temperature recorder (MTR-G85, MTR-4015LH),
Baskets (MDF-13B2/13B3/43B2/43B3), SANYO DAQ system
MDF-436
MDF-U537
804 x 772 x 1802 (mm)
31.5 x 30.4 x 70.9 (inch)
658 x 607 x 1272 (mm)
25.9 x 23.9 x 50.1 (inch)
482L (17.0 cu. ft.)
-20°C to -35°C
4
30mm diameter, rear
Hermetic, 350W
HFC
Zero adjustment via control panel
Temperature recorder (MTR-G85, MTR-4015LH), SANYO DAQ system
MDF-U537D
804 x 772 x 1802 (mm)
31.7 x 30.4 x 70.9 (inch)
658 x 607 x 589/Top (mm) 658 x 607 x 603/Bottom (mm)
25.9 x 23.9 x 23.2 (inch) 25.9 x 23.9 x 23.7 (inch)
452L (16.0 cu. ft.)
-30°C (AT: 35°C, no load)
-20°C to -30°C
Top: 6 medium. Bottom: 8 small
Two 30mm diameter, rear
Hermetic, 350W
Biomedical Freezers
Model
Exterior dimensions
(W x D x H)
Interior dimensions
(W x D x H)
Capacity
Cooling performance
Control range
Baskets
Access ports
Compressor
Refrigerant
Alarm system
MDF-U333
614 x 733 x 1620 (mm)
24.2 x 28.9 x 63.8 (inch)
490 x 485 x 1290 (mm)
19.3 x 19.1 x 50.8 (inch)
274L (9.7 cu. ft.)
-30°C (AT: 35°C, no load)
-20°C to -30°C
4 large, 1 small
30mm diameter, left-hand side
Hermetic, 225W
HFC
• High/low temperature alarm
(SV ±5°C to ±15°C adjustable)
• Power failure • Remote alarm contact
• High/low temperature alarm
(SV ±5°C to ±20°C adjustable)
• Power failure • Filter clogging
MDF-U443
800 x 832 x 1810 (mm)
31.5 x 32.8 x 71.3 (inch)
640 x 615 x 1090 (mm)
25.2 x 24.2 x 42.9 (inch)
426L (15.0 cu. ft.)
-40°C (AT: 35°C, no load)
-15°C to -40°C
40mm diameter, left-hand side
Hermetic, 400W/750W
*
—
• Remote alarm contact • Battery/
fanmotor replacement notification
Calibration
Options
MDF -137 & 237 for 60Hz, MD F-U 44 3 for 110V/60 Hz and 115V/60Hz are unav ailable .
*
*Cooling performance is indicated by the temperature reached at the center of the freezer (at ambient temperature
of 30°C with no load). In order to use the freezer at a stable temperature for a long time, it is recommended that
the temperature be set to at least 5°C higher than the indicated lowest temperature.
In addition, depending on the usage conditions, it may not be possible to reach the indicated lowest temperature.
Caution:
SANYO guarantees the product under certain warranty conditions.
SANYO in no way shall be responsible for any loss of content or damage to content.
• Appearance and specifications are subject to change without notice.
Zero adjustment via control panel
Temperature recorder (MTR-G85,
MTR-4015LH), SANYO DAQ system
—
Temperature recorder (MTR-85H,
MTR-4015LH), SANYO DAQ system
Options
Storage Baskets
Outer dimensions:
255(W) x 420(D) x 205(H)mm
Inner dimensions:
210(W) x 370(D) x 200(H)mm
Temperature Recorders
MTR-G85
MTR -40 15LH
MTR-85H
SANYO DAQ system
MTR-5000/Ethernet (LAN) Interface MTR-L03 or RS232C/
RS4 85 Inter face MTR-480
For MDF-137/237
MDF-13B2
(set of two)
MDF-13B3
(set of three)
Outer dimensions:
275(W) x 530(D) x 205(H)mm
Inner dimensions:
230(W) x 480(D) x 200(H)mm
MTR-G85 (except MD F-U44 3) -100°C to +40°C
• Mounting kit for chest: M DF- S740
• Mounting kit for MDF -U537 and MDF- U537D
(lower room): MPR- S7
• External mounting kit for MDF -U333 and MDF- U537D
(upper room): MDF-S740T
• Recording paper: RP-G85
• Recording pen: PG -R
MTR- 4015LH -40°C to +14°C
• Mounting kit for chest: M DF- S3040
• Mounting kit for upright: MPR-S30
(No kit required for MDF-U44 3)
• Recording paper: RP-40
MTR-85H
(for MDF -U443 only) -100°C to +50 °C
• Recording paper: RP-85
• Recording pen: DF-38 FP
For MDF-436
MDF-43B2
(set of two)
MDF-43B3
(set of three)
Performance Data
Pull-down characteristics
under no-load condition
MDF-137 MDF-237 MDF-436
+40
+20
0
-20
Tempera ture (˚ C)
-40
1 2 3 4 5 6
Time (Hr)
SANYO Electric Co., Ltd., Biomedical Division, Gunma is certified for:
Quality management system: ISO9001 / Medical devices quality management system: ISO13485 / Environmental management system: ISO14001
Distributed by:
Pull-up characteristics
under no-load condition
MDF-137 MDF-237 MDF-436
+40
+20
0
-20
Tempera ture (˚ C)
-40
1 2 3 4 5 6
Time (Hr)
Pull-down characteristics
Pull-up characteristics during power failure
+40
+20
0
-20
Tempera ture (˚ C)
-40
1 72 3 4 5 6 98
MDF-U537
Time (Hr)
+40
+20
0
-20
Tempera ture (˚ C)
-40
1 72 3 4 5 6 98
MDF-U537D
Top chamber
Bottom chamber
Time (Hr)
+40
+20
0
-20
Tempera ture (˚ C)
-40
1 72 3 4 5 6
Central air temp. in cabinet
Ambient temp. 35˚C, No-load
MDF-U333 MDF-U443
Time (Hr)
+40
+20
0
-20
-40
Tempera ture (˚ C)
-60
1 72 3 4 5 6
Time (Hr)
SANYO Biomedical Freezers offer
the outstanding reliability and
performance required in a wide
variety of storage and research
applications.
MDF-U333
MDF-U537
MDF-U537D
MDF-U443
SANYO Electric Co., Ltd.
Biomedical Division
http://biomedical.sanyo.com/
©2009 SANYO Printed in Japan 2009.11 MA
SHR153
MDF-436
MDF-237
MDF-137
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Chest type
Power to cope with frequent
door openings
SANYO’s MDF Series Biomedical Freezers offer the outstanding reliability and
performance required in a wide variety of storage and research applications. In
the medical field, they provide effective storage of life-saving fresh and frozen
blood supplies and vaccines, as well as samples for diagnosis. In the biotechnology field, they provide effective storage of enzymes for genetic research, as
well as culture media, reagents and samples for testing. In the industrial field,
they are ideal for aging and temperature tests on electronic components,
precision devices, and compound resins. As a storage environment, with
excellent safety features, easy operability, and a host of other features, these
freezers offer unsurpassed reliability and functionality. If you are looking for
precision temperature controlled storage equipment, look to SANYO.
Upright type
Maximum capacity in minimum installation space Powerful fan ensures temperature
uniformity throughout the freezer
cabinet.
MDF-137
Effective capacity:
138 liters (4.9 cu.ft.)
Small size suitable for personal use
• Digital temperature display as standard feature
• Compact, personal size
Enhanced Operation
• Front-mounted display/control panel (with
new microprocessor) located at convenient
waist height
Photo is
MDF-U537D
• Memory backup
• Temperature display
• Front access calibration for temperature
recorder
• The control panel, alarm system and
non-volatile memory are the same for all
models in the series.
Dimensions
Unit: mm
687
97
640
40
881
Front Front Front Front Front Front FrontSide Side Side Side Side Side Side
MDF-137
550
440
MDF-237
Effective capacity:
221 liters (7.8 cu.ft.)
Versatile mid-size model
• Digital temperature display as standard feature
• Easy-to-use 200-liter mid-size model
• Single electrical box makes servicing
simpler.
• The chamber temperature is displayed for
five seconds if BUZZER key is depressed
during power failure alarm.
• After a power outage, operation resumes
at pre-outage settings (non-volatile memory
for temperature and alarm temperature
settings)
• Control panel can be reset to zero for
validation.
• Two access ports (right-hand side and
bottom left) (chest type)
• Four casters and two adjustable feet
687
905
40
881
550
440
MDF-436
Effective capacity:
426 liters (15.0 cu.ft.)
Large size 400-liter class
• Digital temperature display as standard feature
• Large-capacity, economical size
Recording Features (Optional)
Recorder can be fitted in convenient position
that will not interfere with installation. Choice
of optional recorders
• 7-day circular recorder (MTR-G85) and
32-day strip recorder (MTR- 4015LH) are
available. (except MDF- U443)
• Temperature recorder with auto recharging
batter y
• Front access calibration for temperature
recorder
Environment-Friendly
• HFC refrigerant (non-CFC, non-HCFC
refrigerant) is environment-friendly but offers
superb performance.
• Pre-coated metal body causes less
environmental damage than conventional
paint coating.
97
1265
905
MDF-436MDF-237
40
670
550
807
97
MDF-U537
Effective capacity:
482 liters (17.0 cu.ft.)
Large-capacity, economical,
space-saving model
• Top/bottom twin door design
prevents cold air escaping
• Individual freezer circuits for each
of the five drawers
MDF-U537D
Effective capacity:
452 liters (16.0 cu.ft.)
Independent top/bottom
control meets differing freezer
needs simultaneously
• Two independent freezer cabinets
in one body, with separate defrost
and operation
• Individual freezer circuits for each
of the five drawers
Safety Features
• Alarm & Recording System
• High/low temperature alarm
• Power failure alarm
• Remote alarm contact
• Self diagnostics function. Should an
abnormality be picked up, an error code
will be displayed in red figures.
• Breaker switch turns power off in event of
over current abnormality.
• Balance hinges keeps the lid open in any
840
804
658
692
1802
692
260
MDF-U537
position to make
this chest freezer
easier to use. This
means you have
both hands free to
work. (chest type)
781
772
525
1272
607
173
171
172
177
120.5
142
122.5
MDF-U537D
MDF-U333
Effective capacity:
274 liters (9.7 cu.ft.)
Easy-to-use, compact upright
model
• Microprocessor digital temperature display
• Convenient storage drawers
• Secure lock safe guards the contents of
the freezer and keeps hazarous items out
of harm’s way.
Newly designed lid lock
(chest type, except
MDF -436).
• Door latch can
accommodate a pad
lock for added
protection of valuable
samples. (upright type)
1802
1272
781
772
525
607
173
171
172
168.5
124.5
141.5
122.5
840
804
658
692
260 692
650
614
490
MDF-U333
1620
MDF-U443
Effective capacity:
426 liters (15.0 cu.ft.)
Forced air circulation & auto defrost
• High freezing power increases temperature
uniformity
• Auto defrost for easy maintenance
Temperature Monitoring Features
(optional)
SANYO Data Acquisition (DAQ) System
enebles remote monitoring of SANYO
biomedical freezers.
SANYO Data Acquisition Software
MTR-5000
Graph Display
Ethernet (LAN ) Interface
MTR-L03
1290
280270270270200
742
540
105
85
50
1110
MDF-U443
856
832
615
24
1090
Channel List
30 800
1400410
1810
640
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