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The ultimate protection for your samples is ensured by placing the cooling coils inside the shelves to provide the most efficient heat extraction. No reliance on air convection to transfer energy to the walls of the freezer but transfer by conduction with DirectFREEZE™.
When the DF series are used according to instructions, occasionally wiping away the ‘snow’, no ice will form on the door, maintaining efficient cooling.
The chamber of the DF series is designed around the sizes of the most commonly used cryoboxes that account for over 80% of all usage. This means that the maximum numbers of samples are stored in the minimum footprint.
The DF series Ultra Low Temperature Freezers are powered by N-SmArt™ which has internal memory storing temperatures records up to ten years with one hour intervals as digitally and graphically. By means of NuveCloser™ software, The DF series can be controlled via internet. Sample safety is given top priority with audible and visual alarm system and optional NuveWarn™ remote alarm system, plus an optional AlerText™ text message to multiple mobile phones. Sending e-mail up to five e-mail addresses in case of any failure is offered as standard Alarms are independently powered by a permanently recharged battery. The units can be placed in corridors as the door, power switch and optional chart recorder are all key lock protected.
Model Nos. |
DF 290 |
DF 490 |
DF 590 |
Capacity (lt.) |
261 |
461 |
560 |
Minimum Temperature |
-86 °C* |
||
Control System |
Programmable Microprocessor N-Smart™ |
||
Data Memory |
10 years |
||
Safety System |
Lockable ON-OFF Switch |
||
Temperature Display |
4,3” Colourful TFT LCD display (Unaffected by power failure) |
||
Temperature Set Range |
-45/-90°C |
||
Temperature Limit |
-55 / -86°C |
||
Temperature Reading and Setting Sensitivity |
1°C |
||
Temperature Sensor |
PT -100 |
||
Cooling System |
DirectFREEZE™ direct cooling |
||
Temperature Alarm Range |
Set Point +5°C/+25°C |
||
Power Failure Alarm |
Audible and visual |
||
Door Open Alarm |
Audible and visual |
||
Alarm Feeding System |
12 hour battery with automatic charging |
||
Independent Cell / Inner insulation door (pcs) |
3/3 |
4/4 |
4/4 |
Noise Level |
<65 dB |
||
Isolation ( CFC free) |
High density injected polyurethane (130 mm) |
||
Gasket Structure |
Heated sealing surface |
||
Refrigerant gas |
R507a-R 508b |
||
Circular temperature recorder |
Optional |
||
Central Alarm Output |
Standard |
||
Remote Alarm Output |
Standard |
||
Internal Surface Material |
Stainless Steel |
||
External Surface Material |
Electrostatic powder coated stainless steel sheet |
||
Wheel System |
4 wheel, 2 fixation foot |
||
Power Supply |
1600 |
||
Power Ratings |
230 V - 50 Hz |
||
Internal Dimensions (W x D x H) |
420 x 630 x 995 |
555 x 630 x 1320 |
555 x 770 x 1320 |
External Dimensions (W x D x H) |
680 x 975 x 1715 |
820 x 975 x 2035 |
820 x 1120 x 2035 |
FACTORY FITTED OPTIONS |
|
|
DF XXX Y |
Weekly temperature chart recorder 0ºC / -100ºC |
Each |
OPTIONS |
|
Each |
A 08 191 |
AlerText™ GSM alarm module |
Each |
K 13 009 |
NuveWarn™ remote alarm system with 10 m cable |
Each |
A 08 195 |
NuveCloser™ software for PC (operates through internet) |
Each |
A 08 231 |
NuveCloser™ multi software (connection up to 15 devices) |
Each |
ACCESSORIES |
|
Each |
A 08 135 |
CO2 back up unit |
Each |
A 08 138 |
PP Cryobox 52X133X133 mm capacity 9x9 tubes |
Each |
A 08 165 |
PP Cryobox 75X133X133 mm capacity 9x9 tubes |
Each |
A 08 171 |
Cryobox 137x137x50 mm |
Each |
A 08 172 |
10x10 Divider for up to Ø 12 mm tubes. Divider height: 30 mm |
Each |
A 08 173 |
9x9 Divider for up to Ø 13,6 mm tubes. Divider height: 30 mm |
Each |
A 08 160 |
Diagram paper for chart recorder 0ºC / -100ºC (Pack of 100) |
Each |
A 08 070 |
Spare pen for chart recorder |
Each |