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PRESTO A45 Process System

Category Stirred / Circulating Baths
Manufacturer Julabo
Country of manufacture Germany
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
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