Demulsibility Characteristics Tester LDCT-T2010

Introduction

Demulsibility Characteristics Tester is a high-performance tester designed to analyze the demulsibility characteristics of petroleum oils and synthetic fluids. This tester is built with high-quality materials for durability and reliability, ensuring long-term performance. It delivers quick testing outcomes to enhance workflow efficiency. Our Demulsibility Characteristics Tester is ideal for various petroleum oils and synthetic fluids in the oil, gas and lubricant industries.

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

Demulsibility Characteristics Tester is used in industries and laboratories to evaluate the demulsibility of petroleum oils and synthetic fluids, ensuring effective water-oil separation and compliance with quality standards.

Specifications

Temperature Range	(Room temp.∼100)℃
Temperature control accuracy	±0.1℃
Data storage	350 groups test data
Stirring time	(0~100)min
Timing	(0~99.9)h
Testing hole	4 samples
Power Supply	AC(220±10%)V, 50Hz
Maximum power consumption	1500W
Ambient temperature	(5∼40)℃
Relative Humidity	≤85％
Dimension	520*330*550 mm
Net weight	32 Kg
Gross Weight	40 Kg

Features

Rapid Testing

User-friendly Interface

Temperature Control

Automatic Calibration

Multiple Test Modes

FAQs

1. What types of samples can be tested using the Demulsibility Characteristics Tester ?

The Demulsibility Characteristics Tester is suitable for testing a wide range of petroleum-based oils, including turbine oils, hydraulic fluids, and other lubricants. It can also evaluate synthetic fluids that are prone to forming emulsions with water. The instrument helps determine how quickly and effectively these fluids separate from water after agitation. This makes it a valuable tool for quality control in lubricant production and in-service fluid monitoring.

2. What kind of glassware is recommended for use with the Demulsibility Characteristics Tester ?

Demulsibility Characteristics Tester typically uses 500 mL graduated cylinders that conform to D1401 specifications. These cylinders allow clear visual observation of oil-water separation during and after testing. It's important to use clean, residue-free glassware to avoid contamination that could affect the results. We can recommend or supply compatible glassware to ensure the test meets standard compliance.

3. Can the Demulsibility Characteristics Tester detect subtle formulation differences between lubricant batches?

Demulsibility Characteristics Tester is sensitive enough to detect even small variations in formulation that impact emulsion stability. Two samples with nearly identical base stocks but differing dispersant or surfactant content may show distinct separation times or emulsion volumes. This makes the tester valuable in production quality control, where batch-to-batch consistency is critical. By using D1401 as a control reference, even minor formulation drifts or additive over- or under-dosing can be flagged before reaching the market.

4. How does the Demulsibility Characteristics Tester handle fluids that show incomplete separation after the standard observation time?

The Demulsibility Characteristics Tester provides precise visual access to the fluid column, allowing the operator to measure the final volume of oil, water, and emulsion when full separation does not occur within the 30-minute D1401 limit. These readings are accepted under the method as valid results and indicate poor demulsibility performance. Such outcomes can guide further testing, formulation adjustments, or outright product rejection. Extended observation protocols may also be documented for research, development, or compliance with non-standard specifications.

5. What are common errors to avoid when using the Demulsibility Characteristics Tester ?

Demulsibility Characteristics Tester delivers accurate results when standard procedures are followed, but common mistakes can compromise test reliability. These include using dirty or incompatible glassware, inaccurate sample or water volumes, and skipping proper heating equilibration. Failing to secure the stirrer paddle or varying the stirring time can also distort separation behavior. Testing oils outside the recommended viscosity range without preheating may further affect emulsion clarity. Adhering strictly to the method and maintaining the equipment regularly ensures consistent and dependable performance.

6. How frequently should the Demulsibility Characteristics Tester be calibrated, and what parameters require verification?

Demulsibility Characteristics Tester requires temperature and timer calibration every 6 to 12 months for reliable operation, depending on usage volume. Temperature can be verified using a certified thermometer placed in the test bath or by comparing with a reference fluid. The timer should be checked against a stopwatch to ensure accurate control of stirring durations. Although stirring speed calibration is needed less often, it should be performed if motor vibration or irregular motion is noticed. Keeping calibration records supports audit readiness and helps meet 17025 accreditation requirements.