28 Liter Refrigerated Circulator, -30°C
Key Specifications
| Description | -30, 28 L 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 | -30° 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) | 31.4 x 35.9 x 14 cm |
| Pump Type | Pressure/Suction |
| External Temperature Control Capability | Yes |
| Flammability Class (DIN 12876-1) | III (FL) |
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, RS232/addressable RS485, and external temperature probe
- On-screen prompts
- Automatic performance optimization and specific heat tuning
- Single-point calibration capability
Common Specifications
| Working Temperature Range °F | -22° to 392° |
|---|---|
| Working Temperature Range °C | -30° to 200° |
| Nominal Cooling Capacity @ +20C (W) | 915 |
| Reservoir Capacity (gallons) | 7.4 |
| Reservoir Capacity (liters) | 28 |
| Reservoir/Tank Material | Stainless Steel |
| Reservoir Cover | Included |
| DuraTop | Yes |
| LidDock | Yes |
| Cleanable Air Filter | Yes |
| Working Access (L x W x D) (inches) | 12.35 x 14.13 x 5.5 in |
| Working Access (L x W x D) (cm) | 31.4 x 35.9 x 14 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 Protection | Yes |
| WhisperCool Environmental Control Technology | Yes |
| Cool Command Refrigeration Technology | Yes |
| Reservoir Drain | Yes |
| Included Software | PolyTemp Viewer, USB driver |
| Maximum Ambient Temperature °F | 95° |
| Maximum Ambient Temperature °C | 35° |
| Overall Dimensions (L x W x H) (inches) | 26.5 x 18 x 26.9 in |
| Overall Dimensions (L x W x H) (cm) | 67.2 x 45.7 x 68.3 cm |
| Refrigerant | R404A |
| Environmental Compliance | RoHS, WEEE |
| Shipping Weight (pounds) | 146.0 |
| Shipping Weight (kilograms) | 66.1 |
| Catalog Page Number | 40-41 |
60 Hz Only
| Part Number | AD28R-30-A11B |
|---|---|
| Maximum Pressure (psi) | 4.3 |
| Maximum Pressure (bar) | 0.30 |
| Maximum Pressure Flow Rate (gpm) | 5.30 |
| Maximum Pressure Flow Rate (l/min) | 20.1 |
| Maximum Suction Flow Rate (gpm) | 3.9 |
| Maximum Suction Flow Rate (l/min) | 14.7 |
| Cooling Capacity @ -20°C (W) | 165 |
| Cooling Capacity @ 0°C (W) | 505 |
| Cooling Capacity @ +20°C (W) | 915 |
| Cooling Capacity @ +100°C (W) | 915 |
| Included Hardware | Nylon hose adapters for 3/8″, 1/4″, and 3/16″ |
| Heater Wattage | 1100 |
| Electrical Requirements (VAC/Hz/Ph/A) | 120/60/1/13 |
| Regulatory Approvals | ETL |
50 Hz Only
| Part Number | AD28R-30-A12E |
|---|---|
| Maximum Pressure (psi) | 3.6 |
| Maximum Pressure (bar) | 0.25 |
| Maximum Pressure Flow Rate (gpm) | 4.40 |
| Maximum Pressure Flow Rate (l/min) | 16.7 |
| Maximum Suction Flow Rate (gpm) | 3.2 |
| Maximum Suction Flow Rate (l/min) | 12.2 |
| Cooling Capacity @ -20°C (W) | 165 |
| Cooling Capacity @ 0°C (W) | 505 |
| Cooling Capacity @ +20°C (W) | 915 |
| Cooling Capacity @ +100°C (W) | 915 |
| Included Hardware | Nylon hose adapters for 3/8″, 1/4″, and 3/16″, and 1/4″ NPT to M16 adapter |
| Heater Wattage | 2200 |
| Electrical Requirements (VAC/Hz/Ph/A) | 240/50/1/13 |
| Regulatory Approvals | CE |














