Demulsibility Characteristics Tester LDCT-T2011

Introduction

Demulsibility Characteristics Tester offers automatic stirring at a controlled speed of 1500 ± 15 rpm. It operates within an ambient temperature range of RT to 35°C, with a temperature control range of RT to 99.9°C. Consisting of glassware system designed to allow easy visual observation. Designed to meet D1401 standards, it provides reliable results for evaluating the demulsibility properties of petroleum-based and synthetic fluids.

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

Our Demulsibility Characteristics Tester is used in laboratories and industrial settings to evaluate the separation efficiency of oil and water mixtures in various petroleum and chemical applications.

Specifications

Stirring Speed	1500 ± 15 rpm
Ambient Temperature	RT to 35 °C
Relative Humidity	≤ 85 %
Temperature Controlling Range	RT to 99.9 °C
Temperature Controlling Accuracy	± 1 °C
Power Supply	AC 220 V ± 10 %, 50 Hz
Dimension	740 × 510 × 680 mm

Features

Man-machine conversation interface

Automatic stirring and timing

Movable test arm

screen

FAQs

1. What is the purpose of the automatic stirring feature in the Demulsibility Characteristics Tester ?

The Demulsibility Characteristics Tester features an automatic stirring system that operates at a fixed speed of 1500 ±15 rpm, ensuring uniform mixing of oil and water samples during the test. This consistency is crucial because improper agitation can result in inaccurate or non-repeatable emulsion separation results. By automating this step, it removes user-dependent variability, improving reliability across multiple tests. It also allows operators to focus on monitoring and recording results rather than manually stirring.

2. What is the benefit of the transparent bath in the Demulsibility Characteristics Tester ?

Demulsibility Characteristics Tester features a transparent bath design that allows clear visual observation of the oil-water separation process during and after stirring. This is important because emulsion breakdown needs to be visually assessed as part of D1401 testing procedures. Users can directly observe phase clarity, interface level, and the formation of the water layer without removing the sample. It also helps in training and quality assurance by letting operators cross-check digital results with real-time visual changes.

3. How does the Demulsibility Characteristics Tester assist with visual assessment of emulsion separation?

Demulsibility Characteristics Tester uses clear cylindrical glass test vessels placed in a transparent water bath, allowing users to directly observe oil-water interface formation and layer separation over time. This visual clarity is important for detecting when the sample reaches the defined break point according to the standard method. The stationary setup minimizes sample disturbance, ensuring a true visual representation of phase clarity. This design supports both qualitative and quantitative evaluation of emulsion behaviour.

4. What kind of samples should not be tested using the Demulsibility Characteristics Tester ?

The Demulsibility Characteristics Tester is optimized for lubricating oils, turbine oils, and synthetic fluids commonly used in industrial applications. Samples with extremely high viscosity, non-petroleum-based emulsions outside the D1401 scope, or substances that react dangerously at elevated temperatures should not be tested. Testing such incompatible fluids may lead to inaccurate results or potential damage to the device. For non-standard fluids, preliminary evaluation and careful parameter adjustments are necessary to avoid system strain or safety hazards.

5. What protections are in place to prevent overheating or equipment failure in the Demulsibility Characteristics Tester ?

The Demulsibility Characteristics Tester includes internal safeguards such as overheating protection circuits and thermal cutoffs in the heating element. These features automatically shut off the heating system if temperature limits are exceeded, preventing damage to the unit or unsafe lab conditions. The instrument also has insulation and component shielding to protect the electronics from prolonged exposure to heat and humidity. These built-in protections ensure long-term operational safety and reduce service-related downtime.