Sanyo MDF-237 Folheto

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Small size suitable for personal use
• Digital temperature display as standard feature
• Compact, personal size
Versatile mid-size model
• Digital temperature display as standard feature
• Easy-to-use 200-liter mid-size model
Large size 400-liter class
• Digital temperature display as standard feature
• Large-capacity, economical size
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 biotech-
nology 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.
Forced air circulation & auto defrost
• High freezing power increases temperature 
uniformity
• Auto defrost for easy maintenance
Large-capacity, economical, 
space-saving model
• Top/bottom twin door design 
prevents cold air escaping
• Individual freezer circuits for each 
of the five drawers
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
Easy-to-use, compact upright 
model
• Microprocessor digital tempera-
ture display
• Convenient storage drawers
Effective capacity: 
482
 liters
 (17.0 cu.ft.)
MDF-U537
Effective capacity: 
138
 liters
 (4.9 cu.ft.)
MDF-137
Effective capacity: 
221
 liters
 (7.8 cu.ft.)
MDF-237
Effective capacity: 
426
 liters
 (15.0 cu.ft.)
MDF-436
Effective capacity: 
452
 liters
 (16.0 cu.ft.)
MDF-U537D
Effective capacity: 
274
 liters
 (9.7 cu.ft.)
MDF-U333
Effective capacity: 
426
 liters
 (15.0 cu.ft.)
MDF-U443
Enhanced Operation
• Front-mounted display/control panel (with 
new microprocessor) located at convenient 
waist height
• 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.
• 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
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 
battery
• 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.
Photo is 
MDF-U537D
Upright type
Maximum capacity in minimum installation space
Powerful fan ensures temperature 
uniformity throughout the freezer 
cabinet.
Chest type 
Power to cope with frequent 
door openings
Graph Display
Channel List
Ethernet (LAN) Interface 
MTR-L03
Dimensions
Unit: mm
807
670
550
1265
40
97
905
MDF-436
MDF-237
881
905
687
97
40
550
440
MDF-137
881
640
687
97
40
550
440
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 
position to make 
this chest freezer 
easier to use. This 
means you have 
both hands free to 
work. (chest type)
• Secure lock safe guards the contents of 
the freezer and keeps hazarous items out 
of harm’s way.
• Door latch can 
accommodate a pad 
lock for added 
protection of valuable 
samples. (upright type)
Temperature Monitoring Features 
(optional)
SANYO Data Acquisition (DAQ) System 
enebles remote monitoring of SANYO 
biomedical freezers.
SANYO Data Acquisition Software 
MTR-5000 
Newly designed lid lock 
(chest type, except 
MDF-436).
MDF-U537
692
1802
260
804
658
840
692
781
177
142
607
171
172
525
772
1272
122.5
173
120.5
MDF-U443
105
615
856
24
1110
1090
832
640
30
800
1400
410
1810
MDF-U333
614
650
490
1620
742
1290
280
270
270
270
200
540
85
50
MDF-U537D
141.5
171
172
168.5
122.5
124.5
173
804
658
840
692
1802
260
692
607
1272
781
525
772
Front
Front
Front
Front
Front
Front
Front
Side
Side
Side
Side
Side
Side
Side