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The BP-13L Circulating Heating and Cooling Bath provides a substantially larger 13L tank volume with the same ±0.2°C temperature precision as the compact BP-5B — making it the right choice for laboratory applications requiring higher bath immersion capacity, larger sample vessels, or continuous circulation to external systems at higher sustained flow demands. Spanning -10°C to 150°C with an 8 L/min built-in circulation pump, a 240 × 170 mm stainless steel tank opening, and a 200 mm tank depth, the BP-13L accommodates larger flask formats, multiple simultaneous immersion samples, and external process equipment requiring sustained temperature-controlled fluid delivery. At 2300W, the BP-13L provides efficient heating and cooling performance across its full temperature range for continuous laboratory, chemical, and pharmaceutical temperature control operations. Enquire about the BP-13L today.
The BP-13L Circulating Heating Cooling Bath delivers 13L of precise temperature-controlled bath immersion and external circulation from -10°C to 150°C at ±0.2°C — combining a wide temperature range, high-capacity stainless steel tank, built-in 8 L/min circulation pump, and suitability for continuous operation in laboratory, chemical, and pharmaceutical temperature control applications.
The BP-13L covers a 160°C temperature span from -10°C to +150°C — providing both sub-zero cooling capability and high-temperature heating in a single large-capacity 13L circulating bath. This combined heating and cooling range covers the standard sub-zero laboratory temperature control applications (cold-temperature chemical reaction control, precipitation cooling, cold sample conditioning) through ambient incubation and high-temperature heating applications (synthesis jacket heating, elevated temperature dissolution testing, thermal stability studies) — making the BP-13L a versatile single-instrument temperature control solution for multi-protocol laboratory environments.
The BP-13L maintains ±0.2°C temperature precision across its full operating range — the same precision specification as the compact BP-5B, achieved across a significantly larger 13L bath volume. This precision is maintained by the BP-13L's high-precision temperature control system that continuously monitors bath fluid temperature and modulates the heating and cooling outputs to correct deviations in real time. ±0.2°C precision supports demanding analytical, pharmaceutical, and chemical process applications where temperature accuracy is a controlled parameter with direct impact on measurement or process outcome quality.
The BP-13L's built-in circulation pump delivers 8 L/min of temperature-controlled bath fluid through the 13L tank and any connected external systems — providing both the internal fluid mixing required for uniform temperature distribution throughout the larger 13L bath volume and the flow rate required for effective heat transfer to external equipment. At 13L volume, active circulation by the built-in pump is particularly important for temperature uniformity: without circulation, natural convection in a large bath volume creates temperature gradients that can exceed the ±0.2°C precision specification at points distant from the heating or cooling element.
The BP-13L features a stainless steel tank construction — providing corrosion resistance to the heat transfer fluids used across the -10°C to 150°C operating range, including water, glycol/water mixtures, and silicone oils. The stainless steel tank interior is easy to clean between different heat transfer fluid changes and is compatible with standard laboratory disinfection and cleaning procedures. The larger 240 × 170 mm tank opening accommodates wider flask formats, larger sample containers, and multi-vessel immersion configurations that cannot fit in the BP-5B's 150 × 160 mm opening.
The BP-13L is designed and specified for continuous operation — supporting extended laboratory workflows including multi-day pharmaceutical stability testing, continuous-process chemical synthesis temperature control, ongoing analytical instrument temperature control, and sustained environmental simulation studies requiring uninterrupted temperature-controlled fluid circulation over periods of hours to days. The BP-13L's control system, pump, and heating/cooling components are specified for sustained duty cycle performance without degradation of temperature precision or flow rate.
The BP-13L Circulating Heating Cooling Bath incorporates over-temperature protection, a stable and reliable control system, and safe electrical operation — ensuring secure, unattended temperature control for continuous laboratory, chemical, and pharmaceutical heating and cooling applications across its full -10°C to 150°C operating range.
The BP-13L's over-temperature protection monitors bath fluid temperature and activates automatic heating shutdown if the temperature exceeds the safe upper limit independently of the primary control circuit. In a 13L bath operating at temperatures up to 150°C, an over-temperature event affects a significantly larger volume of heat transfer fluid than in smaller baths — with proportionally greater risk of heat transfer fluid degradation, external equipment damage from overheated circulated fluid, and potential safety hazards from overheated surfaces in contact with chemical solvents or reagents. The independent protection circuit provides the essential safety backstop for continuous and unattended BP-13L operation.
The BP-13L's control system provides stable, predictable temperature control across the full -10°C to 150°C range through continuous monitoring and active correction — preventing the temperature drifts and oscillations that would compromise the ±0.2°C precision specification during extended continuous operation. For external circulation applications where the BP-13L controls the temperature of connected chemical or pharmaceutical process equipment, stable control system performance is a direct process quality requirement: temperature instability in the circulating bath translates directly to process temperature variability in the connected equipment.
The BP-13L is designed for safe operation across its full -10°C to 150°C operating range — with electrical systems rated for the 2300W continuous load, insulation and component specifications appropriate for the thermal environment of a wide-range heating and cooling circulator, and control system architecture that maintains safe operation across mode transitions (heating to cooling and cooling to heating) and across the full range of ambient laboratory temperatures. Reliable operation throughout continuous duty cycles protects connected laboratory processes from temperature control interruptions that could compromise results or process quality.
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