Product Description
Jeio Tech RW3 Refrigerated Circulating Baths offer precise temperature control over a broad range, making them ideal for both heating and refrigeration applications. Engineered for performance and reliability, the RW3 Series features powerful circulation for uniform temperature distribution and efficient thermal transfer to external devices such as jacketed reactors, viscometers, and analytical instruments. With a compact, space-saving design and intuitive digital interface, the RW3 is well-suited for demanding environments in biotechnology, pharmaceuticals, chemical processing, and quality control. Built-in safety features, robust construction, and stable PID control ensure dependable operation for critical temperature-sensitive processes.
Features
Features 1
- General Type
Features 2
- Alert function when deviation from control temperature upper limit and lower limit occurs.
- Easy and convenient to use with simple operation.
- Clear VFD panel for clear information display.
- Applies smart refrigeration system using Lab Companion’s technology.
- Optimized control reduces overall power consumption.
- Easily removable condenser grill structure.
- Equipped with advanced filter with flat plate structure. in refrigeration condenser.
- Compact structure design.
- Structural Functional Features
Features 3
- Internal circulation and internal/external circulation of solution.
- Refrigerator stopped automatically when it rises too high of temperature, saving power, extending freezer life, and reducing noise generation.
- High-efficiency refrigeration through application of electronic expansion valve.
- Built-in bath cover with handle.
- Internal bath with seamless integral structure.
- (except RW3-3025, 3035 models)
- Stainless steel material inside and at the top of the bath is excellent in terms of corrosion resistance and clean maintenance.
- Left and right handles for convenient handling.
- Drain valve for easy draining of bath solution.
- Easy-to-clean refrigerator condenser filter.
- Equipped with easy-to-move/install caster.
- 8 models provided according to temperature range, capacity, etc.
- 5-steps pump speed adjustment with simple operation.
- Outstanding Safety
Features 4
- Top-rated overheating protection system.
- (Registration KR 10-0397583)
- Over temperature limiting function.
- Prevention of mal-operation with controller lock function.
- Check and alert of temperature sensor abnormality.
- If an error occurs during operation, the details of the error are displayed on the screen and an alarm is sounded.
- Safe structure in which the heater, sensor, and pump inside the bath are separated by covering plates.
- Use Convenience Features
Features 5
- Temperature calibration of up to 3 points provides more reliable temperature control.
- Optimized control with auto-tuning.
- Save and use 3 frequently used temperatures.
- Wait On/Off timer. (up to 999 hours 59 minutes)
- Microprocessor PID method for precise temperature control.
- USB/RS-232 connection and software provide convenient computer operation and data management.
- Notification of low solution. (low level limiter)
- Automatic restart of operation when power is restored after power failure.
- Monitor via mobile app anytime, anywhere with LC Connected. (mobile monitoring system)
- (when purchased LC GreenBox)
Specifications
| Specification | Value |
|---|---|
| Bath volume (L / cu ft) | 5 / 0.2 |
| Temperature | |
| Temperature range (°C / °F) | -25 to 150 / -13 to 302 |
| Temperature stability1) | (±°C / °F) 0.05 / 0.09 |
| Cooling capacity | |
| at +20°C (+68°F), W 400 | |
| at 0°C (+32°F), W 270 | |
| at -20°C (-4°F), W 140 | |
| Dimension | |
| Bath opening / depth (W x L, D) (mm / inch) | 150 x 99 x 160 / 5.9 x 3.9 x 6.3 |
| Exterior (W x L x H) (mm / inch) | 308 x 480 x 733 / 12.1 x 18.9 x 28.9 |
| Net weight (kg / lbs) | 37 / 81.6 |
| Electrical requirements (120V, 60Hz, A) | 12.6 |
Application
Circulating baths are used to precisely control the temperature of samples, instruments, or processes in laboratory and industrial settings. Common applications include maintaining stable temperatures for chemical reactions, calibrating sensors, thermostating analytical devices, and supporting equipment like jacketed reactors or viscometers. They are widely used in biotech, pharmaceutical, materials testing, and quality control labs for both heating and cooling purposes.





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