SKU: 41729013186

DYNEO DD 4L Refrigerated and Heating Circulators

Sale price$4317.30 Regular price$4797.00
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Description

DYNEO DD 4L Refrigerated and Heating CirculatorsOverview New temperature control technology for demanding applications DYNEO DD heating circulators for internal and external applications are equipped with closed bath tanks. The tanks are well insulated and include a coil for counter cooling. An integrated drain tap makes emptying the tank safe and clean. The multilingual 3. 5 inch color display and unique rotary knob provide for straightforward and intuitive operation. Available in 2 different size

Overview

New temperature control technology for demanding applications DYNEO DD heating circulators for internal and external applications are equipped with closed bath tanks. The tanks are well insulated and include a coil for counter-cooling. An integrated drain tap makes emptying the tank safe and clean. The multilingual 3.5-inch color display and unique rotary knob provide for straightforward and intuitive operation.

Available in 2 different size configurations to accommodate your lab's requirements. DYNEO thermostats can optionally be equipped with analogue and digital interfaces.

Features:

  • USB connection
  • Removable ventilation grid
  • Space-saving cooling coil design provides more usable space in the bath tank
  • For internal and external applications
  • Powerful and infinitely adjustable pressure pump
  • Flow rate 27 l/min, pressure 0.7 bar
  • Easy switching between internal and external circulation
  • Large color TFT display, multilingual interface
  • Central rotary knob (controller) simplifies operation
  • Integrated programmer
  • Integrated external Pt100 connection
  • RS232 interface or analog interfaces (optional)
  • Powerful cooling machines
  • Optimized cooling coil design saves space in the bath tank
  • Bath cover included with delivery
  • Integrated drain makes emptying liquid easy and safe.
Key Attributes
Type Stirred / Circulating Baths
Incubation Yes
Refrigeration Yes
Temp Range (°C) A -20 to 200 (DD-300F model is -25)
Capacity (L) 3 to 4
Circulation 8-27 l/min
Brand Julabo
MaxFlow Rate (l/min) 27
Temp Stability (°C) ±0.01
Timer Yes
Alarms Yes
Digital or Mechanical Digital or analog option
Data connection USB and Optional analog or RS232 connection
Tank Material Stainless Steel
Sample Agitation No
Media Racks Available No
Warranty (years) 1
Weight (lb) Varies by model
Width (in) Varies by model
Depth (in) Varies by model
Height (in) Varies by model

 

Manufacturer Specifications

Model

DD-200F

DD-201F

DD-300F

Dimensions (W × L × H)

9.1 x 15.4 x 25.6 in.

17.3 x 16.1 x 17.3 in.

9.4 x 16.5 x 26 in.

Filling volume

3 ... 4 l

Weight

56.7 lbs

54.5 lbs

61.1 lbs

Pump connections

M16x1 male

Barbed fittings inner diameter

8/12 mm

Working temperature range

-20 ... +200 °C

-20 ... +200 °C

-25 ... +200 °C

Temperature stability

±0.01 °C

Setting the resolution of the temperature display

0.01 °C

Ambient temperature

+5.0 ... +40.0 °C

Data based on voltage version:

115V/60Hz (Nema N5-15 Plug)

Heating capacity

1 kW

Cooling capacity (Medium: Ethanol)

200°C = 0.2 kW / 20°C = 0.2 kW / 10°C = 0.17 kW / 0°C = 0.15 / -10°C = 0.1 / -20°C = 0.02 kW

200°C = 0.3 kW / 20°C = 0.3 kW / 10°C = 0.3 kW / 0°C = 0.27 / -10°C = 0.19 / -20°C = 0.08 kW

Pump capacity flow rate

8 ... 27 l/min

Pump capacity flow pressure

1.5 ... 10.2 psi

Viscosity max.

50 cST

Refrigerant stage 1

R134a

Global Warming Potential for R134a

1430

Filling volume

70 g

100 g

Carbon dioxide equivalent

0.1 t

0.143 t

Bath tank

Stainless steel

Bath cover

integrated

Usable bath opening (W x L / D)

5.1 x 5.9 / 5.9 in.

Cooling of compressor

1-stage Air

Classification according to DIN12876-1

Classification III (FL)

Pump function

Pressure Pump

Pump type

Immersion Pump

External pt100 sensor connection

integrated

Integrated programmer

8x60 steps

Temperature control

PID2

Absolute temperature calibration

3 Point Calibration

Temperature displayTemperature display

3.5" TFT Display

Temperature settingTemperature setting

Shaft Encoder

Electronic Timer hr:min

99 ... 59

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41729013186

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4.6 ★★★★★
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Stef
Bozeman, US
★★★★★ 5
Shark dog approved
Size: Large, Color: Broccoli, Size: Large, Color: Broccoli
My new baby shark.... I mean puppy really enjoys chewing. I can't just give her a ton of pig ears or bully sticks all day, which she would definitely love, so I'm constantly looking for well made chew toys. I'd put this right up with Kong. Very durable and nice. I also love the different textures, she seems to also love it. She can gnaw at the top and chew on the stem. She wanted it as soon as I opened it - it does smell like bacon but I haven't taken a chomp at it to be able to write a complete review! My dog is about 23 lbs but I can see a 80 lb dog chew this, it's not small.
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Reviewed in the United States on October 8, 2025
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Nunya B
Alexandria, US
★★★★★ 4
So cute
Size: Large, Color: Pumpkin
My French Bulldogs have really strong jaws and are aggressive chewers. These really are sturdy and last a good amount of time. They are a bit heavy and awkward for my dogs to hold onto but they do like them.
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Reviewed in the United States on April 25, 2026
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Brandy REVIEWS
Waukegan, US
★★★★★ 5
Cute toy and super tough!
Size: Small, Color: Lobster
My small dog is a serious chewer, and this lobster toy has been holding up great. Usually, he destroys toys within a day, but this one’s still going strong after a couple of weeks. The shape is perfect — easy for him to grab and chew, and the little claws keep him entertained. The filet mignon flavor must be good because he goes right for it every time. It’s sturdy without being too hard on his teeth, and it doesn’t leave any mess or pieces behind. If you’ve got a small but mighty chewer, this one’s definitely worth it. Cute design, lasts forever, and keeps my pup busy — total win. 🦞🐾
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Reviewed in the United States on October 26, 2025
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Verified Purchase
SS
Fort Morgan, US
★★★★★ 5
Excellent toy
Size: X-Large, Color: Lobster
Very durable. Dog who has destroyed every toy ever purchased loves this and it is still in great condition.
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Reviewed in the United States on April 21, 2026
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Verified Purchase
Honorific Tails
Massapequa, US
★★★★★ 3
Cheese the Day with Nylabone's Power Chew Cheese Chew Toy!
Size: X-Large, Color: Cheese
As a devoted dog parent, I've always believed that our furry friends deserve the best, especially when it comes to their favorite pastime—chewing! Nylabone's Power Chew Cheese Chew Toy is a game-changer that's added an extra layer of excitement to our dog's chewing routine. **Chew-Tastic Design:** First things first, the cheese-inspired shape of this chew toy is a hit in our household. Our dog can't resist its quirky design, and it's become a beloved addition to his chew toy collection. It's like a fun surprise every time he reaches for it! **Flavor Pockets for Fun:** What truly sets this chew toy apart is its flavor pockets. We fill them with spreadable treats, turning regular chew time into an epic adventure. Our dog absolutely loves the challenge of getting every last bit of treat, and it keeps him engaged for hours. **Dental Health Bonus:** Beyond the fun factor, the unique textures on this toy serve a dual purpose. Not only do they provide extra sensory enjoyment for our pup, but they also help clean his teeth as he chews. It's a win-win for both entertainment and dental health. **Built to Last:** Now, let's talk durability. Our dog is a power chewer, and this toy has proven to be up to the challenge. Made from Nylabone's most robust material, it's stood the test of time, promoting healthy chewing habits and saving our furniture from destruction. **Satisfaction All Around:** This chew toy isn't just for our dog's enjoyment; it brings joy to our family too. Seeing our furry friend so engaged and happy is priceless. It satisfies his natural urge to chew while teaching him healthy chewing habits. **A Flavorful Experience:** Did I mention the cheese flavor? It runs throughout the toy, adding another layer of enjoyment for our pup. It's like a delicious treat that never ends! **Perfect for Big Dogs:** As the proud parent of an extra-large dog, we opted for the "Souper" size, designed for dogs over 50 pounds. It's the perfect size for our gentle giant. In conclusion, Nylabone's Power Chew Cheese Chew Toy has become an integral part of our dog's life. It's more than just a chew toy; it's an adventure, a dental health solution, and hours of entertainment all rolled into one. We've embraced the mantra of "Cheese the Day" with this fantastic chew toy, and we wholeheartedly recommend it to fellow dog parents looking to add more joy and flair to their furry friend's life!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2023

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