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Description
PRESTO A45 Process SystemOverview The A45 air cooled process circulators can be used flexibly and independently of cooling water supply. They compensate exothermic and endothermic reactions extremely quickly. The A45 and A45t offer very high cooling and heating capacity down to 45 C. Both systems are air cooled, the A45t offers increased heating capacity of 12 kW. Features: For highly precise, external temperature applications Rapid heating and cooling Wide working
Overview
The A45 air-cooled process circulators can be used flexibly and independently of cooling water supply. They compensate exothermic and endothermic reactions extremely quickly. The A45 and A45t offer very high cooling and heating capacity down to -45 °C. Both systems are air-cooled, the A45t offers increased heating capacity of 12 kW.
Features:
- For highly precise, external temperature applications
- Rapid heating and cooling
- Wide working temperature ranges without changing fluids
- Highest performance with small footprint
- Space-saving design optimizes space utilization in your lab
- 5,7” industrial color TFT touch screen
- USB connection
- Ethernet
- SD-Card slot
- RS232
- Modbus
- RS485 (Accessory)
- Profibus DP (Accessory)
- Removable ventilation grid
- Heating capacity up to 6 kW (or 12 kW on the A45t)
- Cooling capacity up to 3.5 kW
Key Attributes
| Type | Circulating |
| Incubation | Yes |
| Refrigeration | Yes |
| Temp Range (°C) | -45 ... +250°C |
| Capacity (L) | N/A |
| Circulation | External Only |
| Brand | Julabo |
| MaxFlow Rate (l/min) | 76 |
| Temp Stability (°C) | ±0.01 to 0.05°C |
| Timer | Yes |
| Alarms | Yes |
| Digital or Mechanical | Digital |
| Data connection | Yes |
| Tank Material | N/A |
| Sample Agitation | No |
| Media Racks Available | No |
| Warranty (years) | 1 |
| Weight (lb) | 463 |
Manufacturer Specifications
| Model | A45 | A45t |
| Dimensions | 20.9 x 26.2 x 49.6 in. | 20.9 x 26.2 x 49.6 in. |
| Internal usable expansion volume | 7.5 l | 7.5 l |
| Minimal process volume | 7.5 l | 7.5 l |
| Active heat exchanger volume | 3.5 l | 3.5 l |
| Weight | 463 lbs | 463 lbs |
| Pump connections | M30x1.5 male | M30x1.5 male |
| Working temperature range | -45.0 ... +250.0 °C | -45.0 ... +250.0 °C |
| Temperature stability | +/-0.05 ... +/-0.1 °C | +/-0.05 ... +/-0.1 °C |
| Setting the resolution of the temperature display | 0.01 °C | 0.01 °C |
| Temperature display resolution | 0.01 °C | 0.01 °C |
| Ambient temperature | +5.0 ... +40 °C | +5.0 ... +40 °C |
|
Data based on voltage version:
|
230V/3PPE/60Hz (Without Plug)
|
230V/3PPE/60Hz (Without Plug)
|
| Heating capacity | 6 kW | 12 kW |
| Cooling capacity (Medium: Ethanol) | 200°C/3.4kW | 20°C/3.5kW | 0°C/3.1kW | -10°C/2.5 kW | -20°C/1.8kW | -30°C/0.7kW | -40°C/0.2kW | 200°C/3.4kW | 20°C/3.5kW | 0°C/3.1kW | -10°C/2.5 kW | -20°C/1.8kW | -30°C/0.7kW | -40°C/0.2kW |
| Pump capacity flow rate | 35 ... 76 l/min | 35 ... 76 l/min |
| Pump capacity flow pressure | 7 ... 46.4 psi | 7 ... 46.4 psi |
| Viscosity max. | 50 cST | 50 cST |
|
Refrigerant stage 1
|
R449A | R449A |
| Global Warming Potential for R449A | 1397 | 1397 |
| Filling volume | 1050 g | 1050 g |
| Carbon dioxide equivalent | 1.467 t | 1.467 t |
| Cooling of compressor | 1-stage Air | 1-stage Air |
| Sound pressure level | 69 dbA | 69 dbA |
| Classification according to DIN12876-1 | Classification III (FL) | Classification III (FL) |
| IP Code according to IEC 60529 | IP 20 | IP 20 |
| Pump type | Centrifugal Pump (Magnetically coupled) | Centrifugal Pump (Magnetically coupled) |
| External pt100 sensor connection | integrated | integrated |
| 2nd external Pt100 sensor connection | accessory | accessory |
| Integrated programmer | 8x60 steps | 8x60 steps |
| Temperature control | ICC | ICC |
| Absolute temperature calibration | 3 Point Calibration | 3 Point Calibration |
| Temperature display | 5.7" TFT Touchscreen | 5.7" TFT Touchscreen |
| Temperature setting | Touchscreen | Touchscreen |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
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Product Reviews
★★★★★ 3
Dog likes it
Flavor Name: Marshmallow & Peanut Butter, Size: Large
It wears faster on the longer side, my dog does love this, but 2 sides are not chewed as much.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
★★★★★ 5
Coonhound approved!
My dog love loves these treats!! She gets so excited when she sees them come out of the Amazon package.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
Dogs new favorite chew!
Awesome chew...my dog loves these and sits there licking the peanut butter for awhile before even starting to chew! So far its lasting longer than other chews I give him. They don't smell bad, no upset stomach and good ingredients. Highly recommend!
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Reviewed in the United States on August 26, 2025
★★★★★ 1
A treat, not a chewing bone. Lasts only a few minutes.
Short lived - lasts only a few minutes with our Golden's. I have used other products like Natural Pet collagen rolls which last a VERY long time with our voracious chewers.
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Reviewed in the United States on November 28, 2025
★★★★★ 3
Not a happy customer
My Aussie ate the chew stick within 5min. Disappointed it didn't last longer. Won't buy again :(
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Reviewed in the United States on May 27, 2026
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