Carbon Residue Tester (Ramsbottom) LRCT-T2020

Introduction

Carbon Residue Tester (Rams bottom) is used to determine the carbon residue of sample which provides an indication of the deposit-forming tendencies of fuels. It inserts up to five samples the furnace quickly reaches the test temperature ranges from ambient to 550°C. Device contain electric heating method and digital temperature controller it adopts to ensure the high precision. It features with digital temperature setting, over temperature control, ceramic band heater with cast iron block, and heavily insulated stainless steel cabinet.

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

Carbon Residue Tester is used in petroleum products carbon residue to determination method and also suitable for measuring the carbon residue in lubricating oil, heavy liquid fuels or other petroleum products.

Specifications

Coking furnace	Metal furnace
Heating mode	Electric heating
Test unit	5 units
Temperature range	Ambient to 550°C
Temperature precision	≤ ± 5℃
Ambient temperature	(Room temp. to 35)℃
Relative humidity	≤ 85 %
Power consumption	2000 W
Power Supply	AC 220V ±10%, 50Hz

Features

The coking furnace adopts the metal furnace in accordance with environmental protection

Digital temperature controller and electric heating mode

Designed with 5 test units

Temperature ranges from ambient to 550°C

It adopts detachable receiver, which is easy to use

FAQs

1. What does the Ramsbottom method mean in Carbon Residue Tester (Ramsbottom) ?

The Carbon Residue Tester (Ramsbottom) uses a standard testing process where a small amount of oil or fuel is placed in a specially designed glass bulb and heated in a controlled environment to a high temperature, usually around 550?°C, allowing the sample to fully evaporate and break down. After the heating cycle, the remaining carbon is collected and measured to determine how much residue the sample leaves behind, indicating its carbon-forming tendency. This Ramsbottom method is widely accepted in petroleum laboratories due to its consistent and reliable results. It simplifies this entire process through electric heating and digital controls, making testing more accurate, safer, and easier for lab technicians.

2. What is the benefit of testing five samples at once with the Carbon Residue Tester (Ramsbottom) ?

Carbon Residue Tester (Ramsbottom) allows testing of five samples at the same time, which helps laboratories increase their daily testing capacity, reduce time per batch, and manage higher workloads more efficiently without losing accuracy. Since all five samples are exposed to the same temperature and timing conditions, the results remain consistent and easy to compare. This batch testing feature is especially valuable in quality control labs and fuel testing environments where multiple samples must be analyzed regularly. It also reduces power consumption and minimizes operator involvement during each test cycle.

3. Are the glass coking bulbs reusable or disposable in the Carbon Residue Tester (Ramsbottom) ?

The Carbon Residue Tester (Ramsbottom) comes with glass coking bulbs that are designed to be reusable, but they must be cleaned carefully after each test to remove any carbon buildup and keep them in good condition. When the bulbs are handled properly and cleaned with the right tools, they can last through many test cycles without needing replacement. However, if a bulb becomes cracked, cloudy, or worn, it should be replaced to maintain the accuracy of the test results. The tester usually includes extra bulbs, and replacements can be easily ordered when needed.

4. What types of samples are suitable for the Carbon Residue Tester (Ramsbottom) ?

Carbon Residue Tester (Ramsbottom) is mainly used for testing petroleum products such as diesel, fuel oil, lubricants, and similar heavy oil-based liquids. It works best with samples that require heating to determine how much carbon remains after thermal breakdown. It is not suitable for testing volatile liquids, gases, or materials that do not produce measurable residue. Before using, it's important to ensure the sample type matches the Ramsbottom carbon residue test method.

5. Is it necessary to calibrate the Carbon Residue Tester (Ramsbottom) regularly?

The Carbon Residue Tester (Ramsbottom) requires regular calibration to ensure that temperature readings remain accurate and consistent over time. Although its digital controller provides precise heating control, small variations in equipment performance or environmental conditions can still affect accuracy. Therefore, laboratories should follow a routine calibration schedule, especially when the tester is used frequently. Calibration can often be performed in-house or with assistance from the supplier when needed.

6. What safety steps should be followed while using the Carbon Residue Tester (Ramsbottom) ?

Carbon Residue Tester (Ramsbottom) requires operators to wear protective gloves and lab coats because the equipment reaches very high temperatures during use. The area around the tester should be kept clean and free from any flammable materials to ensure safety. It is important to handle the hot glass bulbs carefully and use the tools provided for their removal after testing. Users should also verify that the over-temperature protection system is functioning properly and ensure the power cord is securely grounded.