Vacuum Distillation Tester LDT-T2013

Introduction

Vacuum Distillation Tester is designed to determine distillation properties of products like paraffin oil, lubricating oil and other high boiling point petroleum products. Composed of distillation & vacuum parts, it is complied with D1160 standard Test Method for (Distillation of Petroleum Products at Reduced Pressure).

This petroleum testing is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Used to determine high boiling point petroleum products, such as paraffin oil, lubricating oil, and others at reduced pressure.

Specifications

Ambient temperature	5 °C to 35 ℃
Relative humidity	≤ 85 %
Cubage of buffer vessel	1000 ml
Max. Residual pressure	≤ 2 mm Hg
Temperature controlling accuracy	± 1 ℃
Temperature range air bath	Ambient temperature ~ 100 ℃ adjustable
Heating power for distillation flask	1000 W
Heating power for receiving flask	350 W
Power supply	AC 220 V, 50 Hz

Features

Continuous adjustment for heating power of furnace

High quality cooling device to cool down temperature of the heating furnace

Excellent vacuum performance, with maximum reduced pressure 2 mmHg

Air bath with Pt 100 temperature sensor

Air bath with Digital temperature controller

FAQs

1. How does the air-bath in the Vacuum Distillation Tester improve performance over oil or metal baths?

Vacuum Distillation Tester features an air-bath system that minimizes the risks associated with conventional oil or metal baths, such as contamination, overheating, and uneven heat distribution. This air-bath uses forced convection to deliver consistent and uniform heat to the distillation flask, preventing hot spots and thermal shock. The system enhances operator safety while maintaining highly accurate temperature control throughout the distillation process. Additionally, it offers easier cleaning, longer lifespan, and avoids the environmental and fire hazards commonly linked to oil-based baths.

2. How can the operator identify signs of sample degradation during a test on the Vacuum Distillation Tester ?

The Vacuum Distillation Tester enables operators to detect sample degradation through signs such as darkening of the distillate, unusual odors, foaming in the flask, or abnormal distillation curve patterns. If the system shows rising temperatures without a corresponding distillate recovery or leaves behind a charred or sticky residue, it may indicate thermal cracking. These issues can result from overheating, inadequate vacuum pressure, or inappropriate sample composition. system supports early detection by allowing precise monitoring of distillation rate and behavior.

3. What safety precautions should be taken while operating the Vacuum Distillation Tester under vacuum conditions?

Vacuum Distillation Tester should always be operated with thorough safety checks, including regular inspection of glass components for microfractures that could lead to vacuum implosion. The system must be placed in a well-ventilated area, properly grounded, and used with a stable AC power source. Operators should wear safety gear like gloves and eye protection and must ensure the sample does not contain volatile or reactive substances that could behave unpredictably under vacuum. The system design incorporates built-in safety elements to support reliable and hazard-free operation.

4. What should be done if the sample foams excessively during a test on the Vacuum Distillation Tester ?

The Vacuum Distillation Tester should be paused immediately if excessive foaming occurs, as this can lead to contamination of the condenser or vapor path. The sample must be checked for the presence of surfactants, impurities, or components unsuitable for vacuum distillation. We recommend to gently preheat the sample under low vacuum or using an approved anti-foaming agent to reduce foaming behavior. The system’s adjustable heating controls allow users to manage temperature increases carefully, helping to prevent foam formation and maintain process stability.

5. What common issues can affect distillation accuracy in the Vacuum Distillation Tester , and how can they be resolved?

Vacuum Distillation Tester can be affected by factors such as vacuum leaks, incorrect temperature settings, or contamination in the glass components, which may impact distillation accuracy. To address these issues, users should inspect all seals, joints, and glassware to ensure they are clean and properly fitted. Regular calibration of the temperature sensors and confirmation of uniform heating in the air-bath are crucial for maintaining consistent performance. We also recommend using well-prepared, filtered, and moisture-free samples in correct volumes to achieve reliable and accurate distillation curves.