ASTM D3246 D5080 D3120 Micro-coulomb Sulfur Content Analyzer

Posted on May 17, 2021May 24, 2021 by Andy

Model: KR-AS300

This micro-coulometric sulfur content and chlorine analyzer uses micro-coulometric analysis technology and computer-controlled micro-coulometric titration. It is easy to operate, stable, and easy to install. It is used for the analysis of trace sulfur and chlorine content in petrochemical products. Petroleum, chemical, scientific research and other departments.

sulfur content analyzer

KR-AS300 type micro-coulometric sulfur content tester uses Windows XP operating system as its working platform, and its friendly user interface makes it easy for analysts to operate. In the process of system analysis, operating conditions, analysis parameters and analysis results are directly displayed on the display.

The KR-AS300 micro-coulomb sulfur and chlorine content test equipment is based on the micro-coulomb principle. The entire analysis process is controlled by a computer, and the sample is loaded by an automatic sampler. The instrument has a high degree of automation. The host uses a 7-inch LCD touch screen to operate the sample introduction, stirring speed and timing shutdown functions, which greatly facilitates the operation of the laboratory technician.

KR-AS300 Standard: ASTM D3120/ASTM D3246; ASTM D5808-03/ASTM D5808-09a /ASTM D5194-06.

This instrument is also applicable to the following standards:

GB/T 11061.4-2010 “Determination of Total Sulfur in Natural Gas by Oxidative Micro-coulometric Method);

GB/T 6324.4-1986 “Determination of Trace Sulfur in Organic Liquid Products by Micro-coulometric Method”;

GB/T 12688.6-1990 “Determination of Trace Sulfur in Industrial Styrene by Oxidative Micro-coulometric Method”;

GB/T 11141-1989 “Determination of Trace Sulfur in Light Olefins by Oxidative Micro-coulometric Method”;

SH/T 1757-2006 “Industrial Aromatics Determination of Organochlorine Micro-coulometric Method;

GB/T 18612-2011 Determination of Organic Chlorine Content in Crude Oil;

GB/T 3208-2009 Micro-coulometric Method for Determination of Total Sulfur Content in Benzene Products;

SH/T 1147- 2008 “Industrial Aromatics Traces ASTM D5808-2009 Test Method for Determination of Organic Chlorides in Aromatics and Related Compounds by Micro-coulometric Method.

Features

1. The host adopts LCD touch screen, which can be operated by one button for stirring and sending samples.

2. The whole testing process is controlled by a microcomputer.

3. One machine with dual purposes, can be used to determine the trace sulfur and chlorine content by replacing the electrolytic cell and the cracking tube.

4. Easy to install, the cracking method is air cooling, and the fan automatically starts and stops.

5. Using adaptive PID control algorithm, automatically adjust and control the temperature rise according to standard requirements.

6. One-key setting of automatic delayed shutdown solves the shortcomings of waiting for cooling off after the traditional micro-coulomb test.

Main Technical Parameters

Measuring range (S):Sulfur content: 0.2 mg/L ~ 10000 mg/L

Measuring range (Cl):Chlorine content: 0.2 mg/L ~ 10000 mg/L

Accuracy A:When the concentration is ≤1.0mg/L, the absolute error: ≤±0.1 mg/L

Accuracy B:When the concentration is 1.0mg/L~10mg/L, relative error: ≤10%

Accuracy C:When the concentration is more than 10mg/L, relative error: ≤5%

Test lower limit:0.2 mg/L

Sample size:10ul

Maximum power:3500VA

Voltage:220V±10%

Ambient temperature:0℃~40℃

environment humidity:≤80% RH

Instrument weight:55Kg

ASTM D4530 ISO 10370 Full Automatic CRT Carbon Residue Tester

Posted on May 17, 2021October 31, 2021 by Andy

Model: KR-CR109

This full-automatic micro carbon residue tester is designed and manufactured in accordance with GB / T 17144-1997 “Petroleum product carbon test (micro method)”, “ASTM D4530” and “ISO 10370: 1993”. It has the characteristics of beautiful appearance and convenient operation. The test results are consistent with the GB / T268 (Kang’s method) test results, and are also suitable for detecting petroleum products with residual carbon values below 0.10 (m / m) and composed of distillates.

Carbon Residue Tester

Performance Characteristics:
1. This residue carbon test apparatus adopts color LCD touch screen to automatically calculate, optional printing function, and the motherboard has a communication interface.
2. It adopts full temperature process control, automatic control of heating rate, automatic control of set temperature, stable temperature control.
3. The instrument is in a state of “purge”, “heating up”, “constant temperature”.
4.Embedded operating system, automatic heating and flow control, real-time display of experimental progress.
5. The quality of the sample tube and sample can be edited and the residual carbon value can be calculated automatically.
6. It can store hundreds of historical data for easy inquiry. Historical data can be queried based on date.

The Main Technical Parameters of residue carbon analyzer:
1. Measurement range: 0.10% (m / m) -30.0% (m / m)
2. Temperature range: room temperature–500 ℃
3. Constant temperature accuracy: 500 ℃ ± 2.0 ℃ for 15min
4. Air consumption: standard nitrogen bottle with a pressure of 14700kPa (150kg / cm2)
5. Setting time error: <0.1s
6. Pressure adjustment range: 0kPa (0kg / cm2) -392kPa (4kg / cm2)
7. Combustion chamber size: Φ85mm × 105mm
8.Waste liquid collection bottle: 200ml
9. Heater power: 1000W
10. Dimensions: 230 × 320 × 425mm
11. Flow adjustment range: 100ml / min-1000ml / min; 150ml / min and 600ml / min automatically switch
12. Working power: AC220V ± 10%, 50Hz

Rotating Pressure Vessel Oxidation Tester (RPVOT)

Posted on May 8, 2021September 23, 2021 by Andy

Model:KR-93Z

RPVOT

This automatic lubricating oil oxidation stability tester which also called RPVOT or RBOT, is designed and manufactured according to sh/t0193 “determination of oxidation stability of lubricating oil” of petrochemical industry standard of the people’s Republic of China and ASTM D2272 standard. The oxidation stability of the new and in use steam turbine oil with the same composition (base oil and additive) is evaluated at 150 ℃ under the condition of water and copper catalyst using an oxygen pressure vessel (oxygen bomb).

The oxidation stability of new mineral insulating oil containing 2,6-di-tert-butyl-p-cresol and / or 2,6-di-tert-butylphenol antioxidant can also be evaluated at 140 ℃. This instrument is not suitable for measuring viscosity greater than 12mm²／s at 40 ℃ mineral insulating oil containing antioxidant.

Characteristics of the oxidation stability instrument:

1. this automatic lubricating oil oxidation stability tester is designed by embedded system.
2. The whole process of the test is automatically detected, and the temperature rises rapidly, and the recording is automatic.
3.The rotating motor rotates at a constant speed automatically.
4.Color touch screen;
5.The curves and results of the test can be stored;
6.You can view historical data;
7.The results can be printed on the instrument.
8. After the test, the whole test process is carried out automatically, without human participation.
9.It not only greatly reduces the labor intensity of the operator, but also improves the accuracy of the test results. It is the first automatic instrument for modern enterprises.

Technical parameters:

1. Power supply: AC220V ± 10％ 50Hz

2. Pressure sensor range: (0-1.6) MPa, accuracy: 0.5% FS.

3. Temperature control point of oil bath: 140.0 ℃, commonly used; 150.0℃。

4. Temperature control accuracy: ± 0.1℃。

5. Test form: two bombs design, two samples can be made at the same time, which is convenient for parallel test.

6. Rotating mechanism speed: (100) ± 5)r/min。

7. Angle between oxygen bomb and horizontal plane: 30 °。 8. Oil bath volume: About 30L.

9. Heating pipe power: 2500 w