Refrigerated & Heating Bath Circulator (5L / Programmable / -25C=>150C)
AAH57642K
Programmable refrigerated & heating bath circulator with 5L reservoir. Microprocessor PID control from -25°C to 150°C with ±0.05°C stability. Five-speed adjustable pump for internal and external circulation.
Key Specifications
Intelligent Program Control
10 Programs Available
Temperature ramp up and dwell control with up to 10 stored programs.
10 Steps Per Program
Each program supports up to 10 steps with 99 hours 59 minutes per step.
Linkable Programs
Stored programs are easily linkable for complex multi-stage protocols.
99 Cycles Repeat
Programs can be repeated up to 99 cycles for automated long-term operation.
Pre-Heating & Heating Time
Settable pre-heating and heating time before the program starts.
Dual Wait On/Off Timer
Timer modes from 1 minute to 99 hours 59 minutes for flexible scheduling.
Performance & Convenience
Three-Point Calibration
Automatic tuning and automatic run with three-point temperature calibration.
Touch Screen LCD Controller
Intuitive controller with easy icons, logical menus, and splash-proof keypad.
Built-In Cooling Coil
Suitable for both internal and external bath environments with reduced turbulence.
Digital I/O Control
Digital input and output control function for interlocking external devices.
Stainless Steel Bath
Corrosion-resistant, leak-proof, round-cornered, easy-to-clean bath with front drain valve.
CFC-Free Refrigerant
R-507 / R-404A refrigerant with double service valve for leakage prevention.
Safety Features
Isolated Design
Agitator, heater, and sensor isolated by a baffle plate to minimize turbulence and protect users.
Temperature Warning Indicator
Three-color indicator shows inner reservoir temperature status at a glance.
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 | AAH57642K |
| Reservoir Capacity | 5 L |
| Temperature Range | -25°C to 150°C |
| Temperature Accuracy | ± 0.05°C at -10°C |
| Temperature Uniformity | ± 0.05°C |
| Cooling Capacity @ -20°C | 80 W |
| Cooling Capacity @ 0°C | 280 W |
| Cooling Capacity @ +20°C | 420 W |
| Pump Max. Pressure | 406.8 mbar (5.9 PSI) |
| Pump Max. Flow Rate | 28 L/min (7.4 GPM) |
| Pump Max. Suction Flow Rate | 10.0 L/min (2.6 GPM) |
| Pump Inlet & Outlet | 12.7 mm |
| Bath Opening / Depth (W x L / D) | 150 x 99 / 160 mm |
| Overall Dimensions (W x L x H) | 302 x 438 x 690 mm |
| Controller | Touch Screen LCD with Icons & Menus |
| Connectivity | RS-232 (USB converter provided) |
| Refrigerant | CFC-Free (R-507 / R-404A) |
| Reservoir Capacity | 5 L |
|---|---|
| Temperature Range | -25ºC to 150ºC |
| Temperature Accuracy | ± 0.05°C at -10°C |
| Temperature Uniformity | ± 0.05°C |
| Cooling Capacity | -20ºC - 80 Watts 0ºC - 280 Watts +20ºC - 420 Watts |
| Pump Max. pressure, max. flow rate | 406.8 milibar (5.9 PSI), 28 liters/minute (7.4 gallons/minute) |
| Pump Max. suction flow rate | 10.0 liters/minute (2.6 gallons/minute) |
| Pump Inlet & Outlet | 12.7mm |
| Bath opening/depth (WxL/D) | 150x99/160mm |
| Overall Dimensions | 302x438x690mm (WxLxH) |
