Refrigerated Circulated Bath – General and Programmable

Refrigerated Circulated Baths from Jeiotech provide precise, programmable temperature control for demanding laboratory applications. Available from Apex Scientific, these compact systems feature energy-efficient refrigeration and an intuitive VFD display for easy operation.

Ideal for routine or complex protocols, they support up to 10 customizable programs with timers and repeat intervals up to 99 hours. Designed for reliability and simple maintenance, they are a trusted choice for labs across South Africa. Explore our full range of equipment or learn more through our expert Insights here.

Refrigerated Circulating Baths from Jeiotech offer precise, programmable temperature control for laboratories across South Africa. Distributed by Apex Scientific, these advanced systems combine smart technology, high performance, and intuitive operation. They are ideal for both routine and demanding temperature-sensitive applications.

 

Wide Temperature Range and Pump Versatility

Refrigerated Circulating Baths cover a broad temperature range: -35 °C to 150 °C for RW3-35/P models and -25 °C to 150 °C for RW3-25/P models. A five-speed adjustable pump enables smooth switching between internal and external circulation.

Pump steps 1 to 3 minimize turbulence inside the bath, while steps 4 and 5 deliver greater flow and pressure for external setups. As a result, these baths support diverse experimental needs with high accuracy.

 

User-Friendly Operation and Smart Control

Each unit offers intuitive controls via a bright VFD display or a high-resolution touchscreen LCD, depending on the model. Additionally, dual timer modes range from 1 minute to 99 hours and 59 minutes, providing flexible scheduling.

Users can interlock external devices using digital input/output, while RS-232 and USB interfaces support convenient data management. Furthermore, up to 10 programmable steps can be saved and repeated up to 99 times, making ramp and dwell cycles fully customizable.

Progammed Temperature Profile
Pump Capacities for Circulated Baths
Pump Capacities for Circulated Baths
Drain Valve
Drain Valve
Easy to Clean Filter

Durable Design and Easy Maintenance

The baths are constructed from corrosion-resistant stainless steel with a seamless, rounded design for easy cleaning. Moreover, a detachable condenser air filter and quick-release front grill to simplify maintenance.

Built-in casters and side handles make relocation effortless. In addition, the use of eco-friendly CFC-free refrigerants such as R-507 and R-404A ensures sustainable operation.

 

Advanced Safety and Sample Protection

Refrigerated Circulating Baths are designed with multiple safety features to protect users and maintain sample integrity. The isolated layout of the agitator, heater, and sensor—shielded by a baffle plate—prevents direct contact and reduces turbulence.

A color-coded visual indicator alerts users to temperature conditions. The system also includes alarms for low fluid level, dry-running, over-temperature, and over-current. Additionally, a splash-proof keypad, keypad lock, and visual warnings enhance operational safety.

Temperature and Humidity Chamber
Temperature and Humidity Chamber

Get Connected

Monitor and control your chamber remotely using the LC Connected mobile app when paired with the LC GreenBox. This convenient setup allows you to access real-time data, adjust settings, and ensure reliable performance from anywhere. All collected data can be easily exported as Excel or text files for seamless reporting and further analysis.

Remote Monitoring and App Connectivity

These baths support mobile monitoring via Jeiotech’s LC Connected system. When paired with the optional LC GreenBox, users can track bath performance remotely improving convenience, especially for long experiments or shared lab setups.

Accessories


For more details, read our article, Laboratory Water Baths Demystified: How to Select the Ideal Model for Your Lab. At Apex Scientific, we provide expert support and high-quality products to laboratories across South Africa. Explore our insights page for technical resources and helpful guides.

General Refrigerated & Heating Bath Circulators

ModelRW3-0525RW3-0535RW3-1025RW3-1035RW3-2025RW3-2035RW3-3025RW3-3035
Bath Volume5 L / 0.2 cu ft10 L / 0.4 cu ft20 L / 0.7 cu ft30 L / 1.1 cu ft
Temperature
Working Temp. Range (℃ / ℉)-25 to 150 / -13 to 302-35 to 150 / -31 to 302-25 to 150 / -13 to 302-35 to 150 / -31 to 302-25 to 150 / -13 to 302-35 to 150 / -31 to 302-25 to 150 / -13 to 302-35 to 150 / -31 to 302
Temp. Stability (±℃ / ℉)0.05 / 0.09
Cooling Capacity
At 20℃ (+68℉), W400390560460850800980920
At 0℃ (+32℉), W270220360320610580700670
At -20℃ (-4℉), W140110180190310300465450
Dimensions
Bath Opening / Depth (W x D x H, mm / inch)150 x 99 x 160 / 5.9 x 3.9 x 6.3211 x 154 x 180 / 8.3 x 6.1 x 7.1290 x 214 x 200 / 11.4 x 8.4 x 7.9300 x 264 x 230 / 11.8 x 10.4 x 9.1
Exterior (W x D x H, mm / inch)308 x 480 x 733 / 12.1 x 18.9 x 28.9366 x 532 x 780 / 14.4 x 20.9 x 30.7386 x 602 x 825 / 15.2 x 23.7 x 32.5446 x 662 x 895 / 17.6 x 26.1 x 35.2
Net Weight37 kg / 81.6 lbs44 kg / 97 lbs60 kg / 132.3 lbs67 kg / 147.7 lbs

 

Programmable Refrigerated & Heating Bath Circulators

ModelRW3-0525PRW3-0535PRW3-1025PRW3-1035PRW3-2025PRW3-2035PRW3-3025PRW3-3035P
Bath Volume (L / cu ft)5 / 0.25 / 0.210 / 0.410 / 0.420 / 0.720 / 0.730 / 1.130 / 1.1
Temperature Working Temp. Range (℃ / ℉)-25 to 150 / -13 to 302-35 to 150 / -31 to 302-25 to 150 / -13 to 302-35 to 150 / -31 to 302-25 to 150 / -13 to 302-35 to 150 / -31 to 302-25 to 150 / -13 to 302-35 to 150 / -31 to 302
Temp. Stability (±℃ / ℉)0.05 / 0.09
Cooling Capacity at +20℃ (+68℉) (W)320280380450550800740880
Cooling Capacity at 0℃ (+32℉) (W)230150270330420660630700
Cooling Capacity at -20℃ (-4℉) (W)8080150150300400470440
Dimension (Bath Opening / Depth) (W x D x H, mm / inch)150 x 99 x 160 / 5.9 x 3.9 x 6.3211 x 154 x 180 / 8.3 x 6.1 x 7.1290 x 214 x 200 / 11.4 x 8.4 x 7.9300 x 264 x 230 / 11.8 x 10.4 x 9.1
Exterior (W x D x H, mm / inch)308 x 480 x 733 / 12.1 x 18.9 x 28.9366 x 532 x 780 / 14.4 x 20.9 x 30.7386 x 602 x 825 / 15.2 x 23.7 x 32.5446 x 662 x 895 / 17.6 x 26.1 x 35.2
Net Weight (kg / lbs)37 / 81.644 / 9760 / 132.267 / 147.7
SKUDescription
AAH57042KRW3-0525 Refrigerated & Heating Bath Circulator -25℃ to 150℃, 5LT
AAH57142KRW3-0535 Refrigerated & Heating Bath Circulator -35℃ to 150℃, 5LT
AAH57052KRW3-1025 Refrigerated & Heating Bath Circulator -25℃ to 150℃, 10LT
AAH57152KRW3-1035 Refrigerated & Heating Bath Circulator -35℃ to 150℃, 10LT
AAH57062KRW3-2025 Refrigerated & Heating Bath Circulator -25℃ to 150℃, 20LT
AAH57162KRW3-2035 Refrigerated & Heating Bath Circulator -35℃ to 150℃, 20LT
AAH57072KRW3-3025 Refrigerated & Heating Bath Circulator -25℃ to 150℃, 30LT
AAH57172KRW3-3035 Refrigerated & Heating Bath Circulator -35℃ to 150℃, 30LT
AAH57642KRW3-0525P Refrigerated & Heating Bath Circulator – Programmable -25℃ to 150℃, 5LT
AAH57742KRW3-0535P Refrigerated & Heating Bath Circulator – Programmable -35℃ to 150℃, 5LT
AAH57652KRW3-1025P Refrigerated & Heating Bath Circulator – Programmable -25℃ to 150℃, 10LT
AAH57752KRW3-1035P Refrigerated & Heating Bath Circulator – Programmable -35℃ to 150℃, 10LT
AAH57662KRW3-2025P Refrigerated & Heating Bath Circulator – Programmable -25℃ to 150℃, 20LT
AAH57762KRW3-2035P Refrigerated & Heating Bath Circulator – Programmable -35℃ to 150℃, 20LT
AAH57672KRW3-3025P Refrigerated & Heating Bath Circulator – Programmable -25℃ to 150℃, 30LT
AAH57772KRW3-3035P Refrigerated & Heating Bath Circulator – Programmable -35℃ to 150℃, 30LT

Insights Article: Laboratory Water Baths Demystified: How to Select the Ideal Model for Your Lab

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