GRANT Optima cooled, circulated water baths, TXF200 R series
The GRANT Optima cooled, circulated water baths of the TXF200 R series have been specially developed for laboratory environments with the highest demands on precision, temperature stability and flexibility. For applications in research laboratories, industry and quality assurance, this system is a central solution when temperature-critical processes and reliable circulation are important. The TXF200 R Series impresses with one of the most advanced control concepts on the market and sets standards in terms of safety, performance and ease of use - a clear advantage over comparable water baths in the precision temperature control segment.
Performance features for professional applications
The GRANT Optima cooled water baths of the TXF200 R series combine a robust stainless steel tank, versatile selection of cooling units and state-of-the-art control technology in a system that is designed for biological, chemical and materials science laboratories. The following key features make these devices particularly special:
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Extended temperature range: Depending on the model, the systems cover a temperature range from -47 °C (TXF200-R5) to +100 °C, offering maximum flexibility for sample preparation, reaction control or stability testing.
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Outstanding temperature stability: With a stability and uniformity of ±0.1 °C (tested in accordance with DIN 12876), the bath ensures consistent conditions and excellent reproducibility.
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High-performance circulation: The powerful pump achieves a variable flow rate (up to approx. 23 l/min) and provides a maximum pressure of up to 530 mbar. This guarantees uniform temperatures throughout the bath and during external circulation.
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Intuitive operating concept: A full-colour QVGA TFT display shows setpoint/actual values, pump speed and status symbols clearly and concisely. Operation is convenient via the central user interface or via PC using a USB/RS232 interface. Programmability and data acquisition: Up to 10 programmes with 100 segments each can be stored. The device software (Labwise) allows convenient monitoring, precise control and graphical documentation of test series. Adaptive safety standard: Adjustable over-temperature shutdown and float switch prevent damage due to overheating or low fill level.
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Multilingual user guidance: The menu navigation is available in several languages (EN, DE, FR, IT, SP), which simplifies integration into internationally operating laboratories.
Important technical data at a glance
- Temperature range depending on version:
- TXF200-R1, R2: -25 to 100 °C
- TXF200-R3, R4: -30 to 100 °C
- TXF200-R5: -47 to 100 °C
- Temperature stability: ±0.1 °C
- Volume options: 5 l, 12 l, 20 l
- Pump capacity: up to 23 l/min, up to 530 mbar
- Heating capacity: 1.9 kW (230 V), 1.4 kW (120 V)
- Material (tank): stainless steel, various sizes depending on variant
- Communication interfaces: USB / RS232 for external control and data evaluation
- Safety functions: overtemperature protection (adjustable), low fluid protection, acoustic and visual alarms
- Dimensions and weight depending on model (e.g. up to 47 kg and up to 585 x 575 x 415 mm external dimensions)
- Recalibration: Up to five calibration points can be set for accurate temperature measurement
These features are complemented by programmable timer functions (1 min to 99 hrs 59 mins) and 3 storable temperature values, allowing routine tasks to be automated and standard protocols to be performed reliably and repeatedly.
Certifications and standards you can rely on
The devices comply with DIN 12876 (stability, uniformity), which ensures consistent and safe temperature control. This increases process reliability when used in certified laboratories, QA processes and regulated environments.
Precise temperature control in a wide range of applications
The TXF200 R series of cooled, circulated water baths are ideal for temperature control in chemical reactions, incubations and emergency cooling in a wide range of sectors:
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Biotechnology and molecular biology: Controlled sample incubation of enzyme tests, DNA/RNA purifications or protein analyses with buffer substances, ethanol or water-glycol mixtures.
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Chemical research and analysis: Temperature-controlled syntheses, stability tests or extractions with solvents such as acetone, methanol or isopropanol.
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Pharmaceutical industry: Comprehensive stability tests, quality control protocols for pharmaceutical substances and temperature profiles for drug development.
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Materials science: Investigations of polymers and composite materials under controlled temperature cycles, for example for elongation tests or resistance to cold exposure. Temperature-controlled tests in quality determination (e.g. melting and solidification points, pasteurisation tests).
Depending on the application and intensity of use, the liquid phase in the water bath can be selected individually - from purified water to buffer solutions to water/glycol-based mixtures for low temperatures.
Frequently asked questions (FAQs)
How can temperature calibration be performed?
Up to five calibration points for internal and external temperature sensors can be set via the user-friendly interface. This enables precise adjustment to standard or reference thermometers.
What safety features protect the device and samples?
The water baths have an adjustable overtemperature cut-off and a low-liquid float switch, which provide effective protection against overheating and dry running.
Can the device be controlled and monitored externally?
Convenient external control - including data acquisition and real-time monitoring - is easily possible via USB or RS232 connection and optional Labwise PC software.
What is the maximum temperature and how flexible is the temperature ramp?
Depending on the model, temperature control of up to 100 °C (and down to -47 °C) is possible, e.g. for heating or cooling ramps during complex thermal cycles.
Which liquids are suitable?
Water, water-glycol mixtures (for low temperatures), and various buffer substances or common solvents are recommended in accordance with the specifications of the medium and device manufacturer.
Summary
The cooled, circulated water baths of the TXF200 R series from GRANT set new standards for laboratories with high requirements for reliability, temperature precision and safety. With state-of-the-art control, efficient circulation and flexible connection and programming options, this system is equipped for a wide range of scientific and industrial requirements. The standard-compliant design, together with a well-thought-out safety concept, make this a worthwhile investment for professional applications with the highest quality standards.
