Heating Bath Circulator (Jeio Tech) - CW3-20 (20L)
AAH52361K
Heating bath circulator with standard digital controller. 20L reservoir from Amb. +5°C to 150°C with ±0.08°C stability. Five-speed adjustable pump for internal and external circulation.
Key Specifications
Performance
Microprocessor PID Control
Accurate, stable, and efficient temperature management with automatic tuning and automatic run.
Three-Point Calibration
Automatic three-point temperature calibration for lab-grade accuracy.
Powerful Variable-Speed Pump
Five-speed adjustable pump with powerful pressure and flow rate throughout the whole temperature range.
Heat Up Time
Rapid heating to 50°C within 30 minutes for efficient workflow.
Convenience
Bright VFD Display
Clear VFD display with quick adjustable dial knob and 0.1°C resolution for precise control.
Dual Wait On/Off Timer
Flexible timer modes from 1 minute to 99 hours 59 minutes for scheduled operation.
Memory Function
Convenient memory storage of up to three frequently set temperatures for quick recall.
Stainless Steel Bath
Corrosion-resistant, leak-proof, round-cornered, easy-to-clean bath with front access drain valve.
Side Handles
Integrated side handles for convenient handling and transport between workstations.
RS-232 Interface
On-board RS-232 for external control and data collection (USB converter provided).
Safety Features
Isolated Design
Agitator, heater, and sensor isolated by a baffle plate to minimize turbulence and protect users and samples.
Complete Safety Protection
Low fluid level, dry-running, over-temperature, and over-current warning alarms.
Keypad Lock Function
Prevents accidental changes during operation for secure unattended use.
Five-Speed Pump Performance
| Pump Step | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Max. Pressure (psi) | 0.5 | 1.1 | 2.4 | 4.9 | 5.9 |
| Max. Flow Rate (L/min) | 5.6 | 8.0 | 12.8 | 18.8 | 28.0 |
Steps 1–3 for internal circulation | Steps 4–5 for external circulation
Technical Specifications
| Specification | Value |
|---|---|
| SKU | AAH52361K |
| Reservoir Capacity | 20 L |
| Temperature Range | Amb. +5°C to 150°C |
| Temperature Stability | ±0.08°C |
| Temperature Accuracy | ± 0.05°C at 50°C |
| Temperature Uniformity | ± 0.01°C at 50°C |
| Heat Up Time (to 50°C) | Within 30 minutes |
| Pump Max. Pressure | 406.8 mbar (5.9 PSI) |
| Pump Max. Flow Rate | 28 L/min (7.4 GPM) |
| Pump Max. Suction Flow Rate | 28 L/min (7.4 GPM) |
| Pump Inlet & Outlet | 12.7 mm |
| Bath Opening / Depth (W x L / D) | 290 x 214 / 200 mm |
| Overall Dimensions (W x L x H) | 360 x 510 x 464 mm |
| Net Weight | 17.5 kg / 38.6 lbs |
| Controller | VFD Display with Dial Knob (0.1°C resolution) |
| Connectivity | RS-232 (USB converter provided) |
| Reservoir Capacity | 20 L |
|---|---|
| Temperature Range | Amb. +5°C - 150°C |
| Temperature Accuracy | ± 0.05°C at 50°C |
| Temperature Uniformity | ± 0.01°C at 50°C |
| Heat up time | 50C within 30 minutes |
| Pump Max. pressure, max. flow rate | 406.8 milibar (5.9 PSI), 28 liters/minute (7.4 gallons/minute) |
| Pump Max. suction flow rate | 28,0 liters/minute (7,4 gallons/minute) |
| In/out let size | 12.7mm |
| Bath opening/depth (WxL/D) | 290x214/200mm |
| Dimensions | 360x510x464mm (WxLxH) |
| Net Weight | 17.5kg |
