Introduction
A high temperature oil bath is a laboratory heating device that uses a bath of heat transfer oil, maintained at an elevated temperature by electric heating, to heat samples, reaction vessels, and instruments uniformly and precisely, and it is used for reactions and processes that require temperatures above the boiling point of water. The oil bath consists of an insulated tank filled with a heat transfer oil, such as silicone oil, mineral oil, or other high-boiling liquids, a heating element, a temperature controller, and in many models a stirrer or circulation system that ensures uniform temperature throughout the bath; the oil can be heated to temperatures typically up to 200-300 degrees Celsius, depending on the oil type and its flash point, and the controller maintains the set temperature with high accuracy, allowing controlled heating of round-bottom flasks, beakers, and other vessels immersed in the oil. High temperature oil baths are used in chemistry and research laboratories for high-temperature reactions, for distillation, for reflux, for evaporation and concentration, for digestion, and for maintaining samples and reagents at elevated temperatures, and they are also used in industry for testing and processing, and in quality control laboratories for viscosity and other temperature-dependent measurements. Features include precise temperature control, uniform heating, overtemperature protection, and corrosion-resistant construction, and the oil must be selected carefully for the temperature range and the application, since overheating the oil can cause smoke, odors, or fire hazards. With their ability to provide uniform high-temperature heating, high temperature oil baths are essential for reactions and processes that require elevated temperatures.
High Temperature Oil Bath LHOB-T2026
High Temperature Oil Bath is a highly versatile oil bath designed to maintain a constant and controlled temperature environment for drying, concentrating, and distilling chemical reagent...
High Temperature Oil Bath LHOB-T2025
High Temperature Oil Bath is a tabletop oil bath with advanced internal and external circulating pump system for precised temperature control. Constant temperature uniformity and heated ...
High Temperature Oil Bath LHOB-T2023
High Temperature Oil Bath is a tabletop oil bath with advanced internal and external circulating pump system for precised temperature control. Constant temperature uniformity and heated ...
High Temperature Oil Bath LHOB-T2024
High Temperature Oil Bath is a tabletop oil bath with advanced internal and external circulating pump system for precised temperature control. Constant temperature uniformity and heated ...
High Temperature Oil Bath LHOB-T2021
High Temperature Oil Bath is a tabletop oil bath with advanced internal and external circulating pump system for precised temperature control. Constant temperature uniformity and heated ...
High Temperature Oil Bath LHOB-T2022
High Temperature Oil Bath is a tabletop oil bath with advanced internal and external circulating pump system for precised temperature control. Constant temperature uniformity and heated ...
High Temperature Oil Bath LHOB-T2010
High Temperature Oil Bath offers a capacity of 27L, providing ample space for heating and circulation. This oil bath features a temperature control range for precise thermal management. ...
High Temperature Oil Bath LHOB-T2020
High Temperature Oil Bath is a tabletop oil bath with advanced internal and external circulating pump system for precised temperature control. Constant temperature uniformity and heated ...
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. High temperature oil bath for laboratory heating up to 200-300 degrees Celsius.
2. Precision temperature control with oil circulation for uniform high-temperature heating.
3. Suitable for chemical synthesis, material testing, bitumen and industrial applications.
4. Includes heating chamber, circulation pump, controller, safety features and operation manual.
5. Supports high-temperature reactions, distillation and thermal testing beyond water bath range.
FAQ
Q1: What testing scenarios is this bath mainly applied to?
A: The high temperature oil bath is used in chemical synthesis, material science, petroleum testing, bitumen laboratories, pharmaceutical research and industrial quality control to provide precise high-temperature heating for reactions, distillations, tests and processes requiring temperatures beyond the range of water baths. It supports high-temperature organic synthesis, bitumen and asphalt testing including softening point and viscosity, polymer and material thermal testing, high-temperature distillation and evaporation, industrial process simulation, and thermal stability testing. The oil medium provides stable, uniform heating up to 200-300 degrees Celsius with less evaporation and better temperature consistency than water baths at high temperatures. It is essential for chemical, material, petroleum, bitumen and industrial laboratories requiring reliable high-temperature heating for reactions, material characterization, quality control and process development, where temperatures above water bath range are necessary for chemical synthesis, bitumen testing, polymer processing, thermal testing and industrial applications requiring precise, uniform high-temperature heating with oil as the heat transfer medium.
Q2: What standards does the bath comply with?
A: The high temperature oil bath complies with relevant IEC 61010 laboratory electrical safety standards and GB/T standards for laboratory heating equipment. Specific applications follow their own test methods including ASTM and ISO standards for bitumen and materials. Temperature accuracy should be verified with a calibrated reference thermometer for critical applications. Thermal oil should be rated for the maximum temperature.
Q3: What is the warranty period for the whole machine and key components?
A: The whole bath is covered by a 12-month warranty. The heating element, circulation pump, controller and tank are covered, while thermal oil, gaskets and fuses are consumables or accessories. Damage from improper oil use, overheating without oil or unauthorized repair is excluded.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory personnel familiar with high-temperature oil bath safety and thermal fluid handling. We provide an operation manual and remote guidance. Proper oil selection, level maintenance, temperature setting and safety procedures are important for safe, reliable operation at high temperatures.
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. Thermal oil level and quality checked regularly, with changes when degraded or contaminated. Over-temperature protection tested periodically. Pump flow and heating performance verified periodically. Routine cleaning of oil residue recommended.
Q7: Are supporting consumables universal?
A: Thermal oil is available from chemical suppliers, though type should match the temperature range and manufacturer recommendation. Long-term consumable cost is moderate, with oil replacement being the main recurring item.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes maximum temperature, bath capacity, circulation pump, controller type and safety features. Additional test tube racks, lids 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 bath and accessories with an operation manual. On-site installation, calibration and training are recommended for high-temperature oil baths and can be arranged at additional cost. Remote guidance is provided.
Q10: What types of samples are compatible with this equipment?
A: The high temperature oil bath heats compatible vessels and samples within the temperature range and oil compatibility. Water-based samples should not be heated in oil baths without proper sealing to avoid boiling and splattering. Highly flammable reactions require fume hood protection. Users should select appropriate thermal oil rated for the maximum temperature, ensure adequate oil level, never operate without oil, use heat-resistant gloves for handling, avoid water contamination of hot oil which can cause violent splattering, follow proper ramp rates, and ensure adequate ventilation. The oil should be changed periodically to maintain thermal stability and prevent degradation, and the bath should be placed on a heat-resistant surface with proper clearance.
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