7 Liter Low Profile Refrigerated Circulator, -20°C

  • Intuitive 3.75” (9.5 cm) display with touch-pad control
  • 4 languages: French, German, Spanish, English
  • Swivel 180™ Rotating Controller
  • On-board connectivity: USB-A & B, Ethernet, RS-232/RS-485, and external temperature probe
  • On-screen prompts
  • Automatic performance optimization and specific heat tuning
  • Single-point calibration capability

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Description

7 Liter Low Profile Refrigerated Circulator, -20°C

Code: AD7LR-20-A12E

Brand: Polyscience – USA

AD7LR-20

Refrigerated Circulators with
Advanced Digital Temperature Controller

AD_Controller

Key Specifications

Working Temperature: From -20° up to +200°C 
Temperature Stability: ±0.01°C 
Safety Rating: DIN 12876-1 Class III (for use with flammable liquids) 
External Temperature Control Capability: Yes 
Pump: Variable-speed 
External Circulation: Open- or closed-loop 

  • LidDock™ self-stowing reservoir cover
  • DuraTop™ insulating, chemical-resistant top deck
  • WhisperCool® Environmental Control System
  • Cool Command™ modulated refrigeration system
  • Reservoir drain
  • Washable air filter

Key Features

  • Intuitive 3.75” (9.5 cm) display with touch-pad control
  • 4 languages: French, German, Spanish, English
  • Swivel 180™ Rotating Controller
  • On-board connectivity: USB-A & B, Ethernet, RS-232/RS-485, and external temperature probe
  • On-screen prompts
  • Automatic performance optimization and specific heat tuning
  • Single-point calibration capability

Key Specifications

 
Description-20, 7 L Low Ref. Circulator
Controller Type
Advanced Digital
Display
3.75″ Touch-Pad LCD
Connectivity
Ethernet, USB A & B, RS232/addressable RS485, External Temperature Probe
Languages Supported
4: French, German, Spanish, English
Swivel 180 Rotating Controller
Yes
Working Temperature Range °C
-20° to 200°
Temperature Stability °C
±0.01°
Fluid Optimization/Specific Heat Tuning
Automatic and/or user-adjustable
Temperature Calibration Capability
1-point
Working Access (L x W x D) (cm)
15.7 x 14.2 x 12.7 cm
Pump Type
Pressure/Suction
External Temperature Control Capability
Yes
Flammability Class (DIN 12876-1)
III (FL)

Common Specifications

 
Working Temperature Range °F
-4° to 392°
Working Temperature Range °C
-20° to 200°
Nominal Cooling Capacity @ +20C (W)
200
Reservoir Capacity (gallons)
1.85
Reservoir Capacity (liters)
7
Reservoir/Tank Material
Stainless Steel
Reservoir Cover
Included
DuraTop
Yes
LidDock
Yes
Cleanable Air Filter
Yes
Working Access (L x W x D) (inches)
6.18 x 5.59 x 5 in
Working Access (L x W x D) (cm)
15.7 x 14.2 x 12.7 cm
Temperature Stability °F
±0.02°
Temperature Stability °C
±0.01°
Display
3.75″ Touch-Pad LCD
Display Resolution (Set)
0.01
Display Resolution (Read)
0.01
Pump Type
Pressure/Suction
Pump Speed
Variable
Process Connections
1/4″ (F) NPT
External Temperature Control Capability
Yes
Flammability Class (DIN 12876-1)
III (FL)
Over-Temperature Protection / Failsafe Heater Control
Yes
Low Liquid Level ProtectionYes
Reservoir Drain
Yes
Included SoftwarePolyTemp Viewer, USB driver
Maximum Ambient Temperature °F
95°
Maximum Ambient Temperature °C
35°
Overall Dimensions (L x W x H) (inches)
23.2 x 16.2 x 16.2 in
Overall Dimensions (L x W x H) (cm)
58.9 x 41.1 x 41.1 cm
Refrigerant
R134a
Environmental ComplianceRoHS, WEEE
Shipping Weight (pounds)
90.0
Shipping Weight (kilograms)
40.8

 

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