Introduction
A circulating water bath is a laboratory instrument that maintains water or another liquid at a precise, constant temperature and circulates the liquid, providing a uniform temperature environment and a source of heated or cooled liquid for other equipment, and it is used in laboratories and industry for incubation, reactions, temperature control, and calibration. The instrument consists of an insulated tank filled with water, a heating element and, in many models, a refrigeration system, a circulation pump that circulates the liquid within the bath to ensure temperature uniformity and, in some models, to an external device through connections, a temperature controller, and a digital display; the circulating action provides excellent temperature uniformity and stability, and the bath can be used as a standalone incubation bath, and the circulated liquid can be supplied to external equipment, such as jacketed vessels, condensers, viscometers, and refractometers, for temperature control. Circulating water baths are used for incubating samples and reactions, for maintaining samples at a constant temperature, for providing temperature-controlled liquid to external instruments, for calibrating thermometers and temperature sensors, for viscosity measurements, for thawing samples, for chemical reactions, and for many other applications, in biology, chemistry, clinical, pharmaceutical, and food laboratories, and they are available in various sizes and temperature ranges, with features such as precise temperature control, circulation, and overtemperature protection. With their precise and uniform temperature control, circulating water baths are essential instruments for temperature-controlled work.
Circulating Water Bath LCRB-T2012
Circulating Water Bath offers a 22.5L capacity and a temperature range of RT+5 to 100°C. It is equipped with advanced audible and visual alarms for alerting temperature fluctuations and...
Circulating Water Bath LCRB-T2010
Circulating Water Bath is a benchtop heating circulating (constant temperature) bath offers 6.7 L of capacity, temperature range from RT +5 to 100˚C with ±0.1˚C precision. Designed wi...
Circulating Water Bath LCRB-T2011
Circulating Water Bath is a benchtop and heating circulating (constant temperature) bath offers 10.9 L of capacity, temperature range from RT +5 to 100˚C with ±0.1˚C precision. Design...
Standards
ASTM E2488-09(2014)-Standard Guide for the Preparation and Evaluation of Liquid Baths Used for Temperature Calibration by Comparison
Complies with the above standards, but is not limited to them.
Features
1. Circulating water bath for precise temperature control with water circulation.
2. Pump circulation for uniform temperature and external equipment cooling/heating.
3. Suitable for chemistry, biology, pharmaceutical, analytical and research labs.
4. Includes bath tank, pump, heating/cooling, controller and operation manual.
5. Supports temperature control for internal use and external equipment connection.
FAQ
Q1: What testing scenarios is this bath mainly applied to?
A: The circulating water bath is used in chemistry, biological research, pharmaceutical testing, analytical laboratories, food testing and research to provide precise temperature-controlled water with circulation for internal sample incubation and external equipment temperature control. It supports chemical reaction temperature control, biological sample incubation, analytical instrument temperature stabilization (viscometers, polarimeters, refractometers), pharmaceutical sample testing, external equipment cooling/heating, and general laboratory temperature control. The circulation pump ensures uniform temperature throughout the bath and enables connection to external equipment, providing consistent, reliable temperature control. It is essential for chemistry, biological, pharmaceutical, analytical and research laboratories requiring precise temperature-controlled water with circulation for internal incubation and external equipment temperature control, where the pump circulation ensures uniform temperature and enables connection to external instruments, supporting chemical reactions, biological incubation, analytical measurement and pharmaceutical testing in laboratory and research environments requiring reliable, consistent temperature control with circulation capability.
Q2: What standards does the bath comply with?
A: The circulating water bath complies with relevant IEC 61010 laboratory electrical safety standards and applicable GB/T standards for laboratory temperature control equipment. Temperature accuracy should be verified with a calibrated reference thermometer for critical applications. The instrument complies with relevant electromagnetic compatibility standards. Specific applications follow their own test methods and standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole circulating water bath is covered by a 12-month warranty. The heating/cooling system, pump, controller, tank and housing are covered, while gaskets, tubing and fuses are consumables or accessories. Damage from improper use, dry operation or unauthorized repair is excluded. Extended service contracts are available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation is simple: fill with water, set temperature, connect external equipment if needed, and allow stabilization. No professional training is required, but users should follow proper water level, temperature setting, pump operation and maintenance procedures. We provide an operation manual and remote guidance.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Temperature calibration against a reference thermometer recommended every 6-12 months for critical applications. Pump flow and performance verified periodically. Water quality and level maintained. Routine cleaning and descaling per water quality. Full system performance check annually.
Q7: Are supporting consumables universal?
A: Gaskets, tubing and fuses are available from laboratory suppliers. Long-term consumable cost is very low for a circulating water bath.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes bath capacity, temperature range (heating only or heating/cooling), pump flow, pressure/suction pump, controller type, external circulation fittings and accessories. Additional tubing, probes and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the circulating water bath and accessories with an operation manual. On-site installation, calibration and training are not included for standard orders but can be arranged for laboratory setup. Remote guidance is provided.
Q10: What types of applications are compatible with this equipment?
A: The circulating water bath provides temperature control for compatible laboratory applications within the temperature range, pump capacity and bath specification. For external connection, use compatible tubing rated for the temperature range. Highly corrosive fluids should not be used in the bath without proper lining. Users should maintain proper water level (never operate dry), use distilled or deionized water, set appropriate temperature for the application, ensure proper external tubing connections, allow temperature stabilization before use, and follow proper safety procedures for hot or cold water. The bath should be cleaned regularly to prevent bacterial growth and mineral buildup, and water should be changed periodically. For external equipment cooling, ensure the pump flow and pressure are compatible with the equipment requirements. The unit should be placed on a stable, level surface with proper ventilation. For cooling models, the refrigeration system should be maintained per manufacturer schedule, and the condenser should be cleaned regularly for efficient performance.
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