Category Archives: Products

16 Channels ISO NAS Benchtop Liquid Particle Counter

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The KRT Benchtop Liquid Particle Counter uses a particle counting system developed by the principle of photoresist (shading method). It uses a specially designed sensing area oil-passing tank and uses precise optical components to ensure high resolution and accuracy of detection. The particle counter is used to detect the size and quantity of solid particles in liquid. It can be widely used in aerospace, electric power, petroleum, chemical, transportation, port, metallurgy, machinery and automobile manufacturing. It can be used for hydraulic oil, lubricating oil and transformer. Oil (insulating oil), turbine oil (turbine oil), gear oil, engine oil, aviation kerosene and other oils for solid particle contamination detection, as well as organic liquid, polymer solution for the detection of insoluble particles.

benchtop oil particle counter

Features of Oil Particle Counter:

1. 7.0-inch color LCD touch screen, graphical menu display, touch operation, simple and convenient

2. Built-in Chinese and English switch button, can achieve Chinese, English language selection display

3. Using the principle of photoresist, with fast detection speed, strong anti-interference, high precision, good repeatability, etc.

4. Precision syringe sampling system, to achieve constant sampling speed and accurate sampling volume control

5. Positive / negative pressure sampling chamber device to achieve sample degassing and high viscosity sample testing

6. 16 particle size channels that can be set arbitrarily for particle size analysis

7. Detection data storage function, can facilitate data retrieval, storage and analysis

8. RS-232 interface and feature-rich detection software for external computer communication

9. Built-in thermal printer, can print test results in real time

10. Built-in ISO 4406, NAS 1638, GJB 420A-1996, GJB 420B-2006, SAE AS4059E, SAE 749D, SH-T 0868 (IP565) and other testing standards, can be customized channels and standards, can also support two compatible Evaluation standard

11. The equipment can be calibrated and calibrated according to GB/T 18854-2002, ISO 4402, latex ball standard, and the automatic conversion of particle size between different standards can be realized.

 

Technical Parameter:

(1) Detection channel: 16 arbitrarily set particle size sizes can display channels

(2) Particle size range: 1-400μm

(3) Viscosity range: 0-400cSt

(4) Measurement range: 1-100μm (ISO-4402)

4-70μm (c) (ISO-11171)

(5) Sensitivity: 1μm (ISO-4402)

4μm (c) (ISO-11171)

(6) Sampling method: bottled

(7) Sample volume: 1~25mL, adjustable

(8) Sample speed: 5-20mL/min, adjustable

(9) Sampling accuracy: ±0.5%

(10) Maximum pressure of the sampling chamber: 0.95MPa

(11) Maximum vacuum of the sampling bin: 0.085MPa

(12) Oil temperature: 0-80 °C

(13) Ambient temperature: 0-50 °C

(14) Working humidity: relative humidity 20-85%, no condensation

(15) coincidence error limit: 24000 p/ml

(16) Particle diameter Resolution: ≤10%

(17) Repeatability: ≤3%

(18) Power supply mode: AC220V±10%, 50Hz

 

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Oil PPM Water Meter – Online Oil Moisture Monitor

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Model:KR-F1

This ppm water in oil meter is an accurate and reliable sensor designed for measurement of water content in oil. It is able to detect the moisture in oil quickly and transfer the data via serial port. It can test the ppm range from 0 to 1000.

ppm water in oil meter

Features:

1. Relative water content is determined by continuous measurement by spiral rod-type sensor. Data will be updated and stored continuously.

2. 3/4 probe is utilized which can be dipped into oil circuit or oil tank for measurement.

3. RS232 serial port is adopted.

4. Data is to be obtained via serial port. Data could be stored as long as half a year.

 

Specification:

Basic Info Max Operating Pressure 10 Bar
Oil Temperature -20…100 ℃
Protection Class IP67
Compatible Fluid mineral composition,esters,Polyolefin
Power Supply Voltage 9…33 V
Current ＜0.2max A
Environment Storage Temperature -20…+80 ℃
Humidity 0…95 % r.H
Connection Threaded Connection G3/4
Electric Connection M12X1,8 connector
Range of Measurement Relative Permittivity 1…7 –
Relative Humidity 0…100 %
PPM 0…1000
Conductivity 0…45000 PS/M
Temperature -20…120 ℃
Resolution Relative Permittivity 1*10-4 –
Relative Humidity 0,1 % r.H
Conductivity 1 PS/M
Temperature 0,1 K
Accuracy Relative Permittivity ±0.015 –
Relative Humidity ±3 % r.H
Conductivity Typ. ＜10 %
Temperature ±1 K

 

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Rotating Pressure Vessel Oxidation Tester (RPVOT)

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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

 

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ASTM D2272 RPVOT RBOT Testing Apparatus

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Model: KR-93Coxidation stability tester

The rotating pressure vessel oxidation tester (RPVOT) which also called the rotating bomb oxidation test (RBOT) is used to determine the oxidation stability of turbine oil, lubricating oil and other petroleum oils.

This automatic lubricating oil oxidation stability instrument is designed and manufactured according to ASTM D 2272 and petrochemical industry standard SH / t0193 “determination of lubricating oil oxidation stability by rotating oxygen bomb method”. This instrument is used to evaluate the oxidation stability of new and used turbine oils with the same composition (base oil and additives) at 150 ℃. The oxidation stability of new mineral insulating oil containing 2,6-di-tert-butyl-p-cresol and (or) 2,6-di-tert-butyl-phenol antioxidant can also be rapidly evaluated at 140 ℃.

 

Instrument features

 

1. Bath form: in accordance with the latest ASTM D 2272 standard metal bath structure design. The metal bath does not need expensive silicone oil medium, which can reduce the bad smell emitted by the medium oil during the test. There is no oil fume, no heavy bullet body, and no complicated cleaning after the test. The desktop design has small volume, light noise, no need of fume hood, energy saving and environmental protection.

2. Instrument display: 7 inch color touch screen, beautiful interface, easy to operate. Temperature and pressure calibration.

3. Operation design: double independent design, make the test process has the ability of rapid turnover, in the case of using double equipment, can greatly improve work efficiency.

4. High degree of automation: automatic constant temperature, automatic oxygen flushing, automatic judgment of leakage, automatic recording of test data and real-time display of curve, automatic judgment of test inflection point, automatic cut-off of heating after test.

6. Special configuration: equipped with small winding machine to facilitate test preparation.

 

Main Parameters of Oxidation Stability Tester

 

1. Power supply: AC220V ± 10%

2. Heating tube power: (1500 kW) × 2）W

3. Pressure sensor range: 0 ~ 1.6Mpa, accuracy: 0.5MPa ± 2‰。

4. Temperature control range: room temperature ~ 200.0 ℃ continuously adjustable, commonly used 150.0 ℃.

5. Temperature control accuracy: ± 0.1℃

6. Rotation speed of rotating mechanism: 100 ± 5r/min

7. Angle between oxygen bomb and horizontal plane: 30 °
8. Printer: panel thermal

 

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ASTM D92 Cleveland Open Cup Fire Point Tester

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Model:KR106B

This automatic open cup flash and fire point tester, according to the People’s Republic of China standard GB/T 3536 “Petroleum product flash point and ignition point method (Cleveland open cup method)” and GB/T267-1988 petroleum products flash point and ignition point determination method Designed and manufactured according to the requirements specified in the (open cup method) and ASTM D92 standard.

open cup flash point tester

Instrument characteristics

1. This flash point measuring instrument adopts color LCD large screen display, English man-machine dialogue interface, no identification keyboard, and has parameters such as pre-valued temperature, sample label, atmospheric pressure, test date, etc., with prompt menu and guide input function.

2. The analog tracking shows the function curve of temperature rise and test time. It has the micoperation software prompt modification function, and is equipped with parameter prompt function such as test date and test time.

3. Automatically correct the influence of atmospheric pressure on the test and calculate the correction value.

4. Differential detection, system deviation is automatically corrected.

5. The sweeping, detecting and printing data is automatically completed, and the test arm is automatically raised and dropped.

6. Electronic ignition, forced air cooling.

7. Can do not need air source automatic ignition, improve the safety of the test.

 

Technical Parameters:

1. Working power: AC220V ± 10%, 50Hz

2. Temperature measurement: range: room temperature ~ 400 ° C.

Repeatability: flash point ≤150°C error ±2°C

flash point ≥150°C error ±3°C

Resolution: 0.1 ° C; accuracy: 0.5%.

3. Heating rate: in line with GB/T3536 standard.

4. Ignition mode: electronic ignition, gas flame 3mm~4mm.

5. Ambient temperature: (10~40) °C.

6. Relative humidity: ≤80%.

 

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ISO 3679 Balance Method Closed Cup Flash Point Tester

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KR05D model balance method low temperature closed flash point meter is designed and manufactured according to the requirements of the People’s Republic of China standard GB / T 5208 “Determination of the flash point of the rapid balance closed cup method”. This instrument also meets the requirements of ISO 1523 and ISO 3679.

flash point tester

The instrument is based on advanced electronic temperature control instrument, equipped with appropriate interface circuit to realize temperature control automation, automatic heating power switching, automatic temperature control and other functions. The instrument is simple in operation, reasonable in structure, accurate in detection, stable in performance and intuitive in display. It is an ideal substitute for fast flash point testing of petroleum, chemical, paint, paint, railway, aviation, electric power, commodity inspection, military and scientific research units.

This instrument is especially suitable for the test of all kinds of color paints, paints, adhesives, solvents, petroleum and related products in the closed cup flash point in the range of -30 ° C ~ + 100 ° C.

Technical Parameters:

1. Working power: AC220V ± 10%, 50Hz;
2. Flash point detection range: (-20 ~ + 80) ° C;
3. Measurement precision: the absolute difference between the two experimental results is less than 2 ° C (same operator);
The absolute difference between the two experimental results is less than 3 ° C (different operators);
4. Temperature control accuracy: ± 0.5 ° C;
5. Ignition device: electronic ignition gun ignition;
6. Cooling method: semiconductor refrigeration
7. The power supply voltage: AC220V ± 10%, 50Hz;
8. The whole machine power: no more than 300W;
9. Ambient temperature: 5 ° C ~ 30 ° C;
10. Relative humidity: (30~80) %.

 

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Transformer Oil Dielectric Loss Tan Delta Tester

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Model: KR-DL800

The tan delta meter is a new generation of fully automatic portable insulating oil dielectric loss and resistivity meter designed according to GB / 5654. It can measure oil dielectric loss and volume resistivity at the same time, and has the characteristics of simple operation and accurate and reliable test data.

 

tan delta meter

Performance characteristics:

1. The structure of the instrument is an oil collecting cup, heating, temperature control and pressure regulating functions.
2. This device has its own automatic cup calibration function. The capacitance and dielectric loss factor of the empty electrode cup are measured to determine the cleaning and assembly of the empty electrode cup. Calibration data is automatically saved to facilitate accurate calculation of relative permittivity and DC resistivity.
3. The instrument has over-voltage, over-current and temperature-limiting protection functions, and has perfect protection functions. When there is overvoltage, overcurrent, and high voltage short circuit, the instrument can quickly cut off the high voltage and issue a warning message. A warning message is issued when the temperature sensor fails or is not connected.
4. High-frequency induction heating electrode cup, uniform heating for a short time.
5. The instrument adopts large-screen color touch screen design, easy to operate.
6. Directly measure the temperature by placing the probe inside the measuring electrode cup.
7. Contains positive selection wave generator, digital voltage regulation produces standard 50Hz high power test power supply.

Main Specifications:

1. Test voltage range: 500~2000V AC 50Hz; 0~500V DC
2. Test temperature range: room temperature ~ 125 ° C
3. Dielectric loss test range: 0.00001~1
4. Measurement accuracy: ± (indicator × 0.5% + 0.0001)
5. Relative dielectric constant: (1.0~10.0 |) ±1%
As shown in Figure 6, the resistivity resolution: 0.01MΩ?m
As shown in Figure 7, the resistivity measurement range: 2.5MΩ?m~20TΩ?m
8. Power: 500W
9. Power supply voltage: AC220V±10% Frequency: 50Hz±1Hz
10. Dimensions: 470mm * 430mm * 380mm
11. Ambient temperature: 0 ° C ~ + 40 ° C
12. Relative humidity: <75% RH

 

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Wide Temperature Automatic Dropping Point Tester ASTM D2265

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Kolery KR3498 model automatic wide temperature drop point tester is based on a microprocessor. It integrates mechanical, optoelectronic and micro-detection technologies. It has automatic heating control, automatic adjustment of heating rate, automatic detection and recording of drop point data, automatic printout and other functions. The determination of the wide temperature drop point is completed.

dropping point tester
Features:

1. The program is started and easy to operate;
2. German and MO company original temperature sensor to ensure accurate and stable temperature measurement and control;
3. The metal bath is heated, no noise, no pollution, and the heating rate is fast;
4. Drop point detection uses photoelectric detection;
5. Equipped with an internal clock, no need to enter an experiment date.

Applicable standards:
GB/T 3498 ASTM D2265

Technical Parameters:

Temperature range: 0 ~ 400 ° C
Number of test channels: 2 roads
Ambient temperature: 10 ° C ~ 35 ° C
Resolution: 0.1 ° C
Relative humidity: 30～80%RH
Power supply: AC220±10%V 50HZ±1HZ
Power supply: less than 2KW
Display: LCD display
Printing: yes

 

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Automatic Oil Dielectric Strength BDV Tester

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Model: KR-DS600

oil bdv testers

This oil dielectric strength tester complies with GB/T507-2002 and DL429.9-91 standard. This instrument is suitable for testing the degree of physical contamination of insulating oil caused by water or other suspended matters. It can fast test the dielectric strength of transformer oil. Widely used in electric power, petroleum, chemical and other industries.

 

Features:

 

1. The use of microprocessors, automatic boost, hold, stirring, static release, calculation, printing and other operations, can be 0 ~ 80KV range of oil cycle pressure test.

2. 1 ~ 6 times oil dielectric value and the number of cycles will be automatically stored. After the testing, the thermal printer can print out the breakdown voltage and the average value.

3. Power down to store, can store 100 experimental results, and can display the current ambient temperature and humidity.

4. With over-voltage, over-current, limit and other protection to protect the safety of operators

 

Technical Parameters:

 

Testing voltage: 0~80KV for option
Voltage distortion rate: <3%
Boosting rate: 2.0~3.5 KV/S, adjustable
Electrostatic discharge time: 15 min, adjustable
Boosting interval: 15 min, adjustable
Boosting frequency: 1~6 times, optional
Booster capacity: 1.5KVA
Testing accuracy: +/- (2%+2bit)
Power: 500W
Environment temperature: 10~45C°
Environment Humidity: 30%~80%
Dimension(largest): 465×385×425 (L*W*H)

 

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ASTM D445 Kinematic Viscometer

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Model: KR-KV806

 

kinematic viscometer

 

The method is to measure the time when a certain volume of liquid flows under gravity through a calibrated glass capillary viscometer at a constant temperature, and the capillary constant of the viscometer multiplied by the flow time is the kinematic viscosity of liquid at that temperature.

KR-KV806 type kinematic viscosity tester is suitable for “GB265 petroleum product kinematic viscosity measurement method”, ASTM D445 and other standards. It has been widely used in electric oil, electric power, chemical, railway, scientific research and other industries.

Main Features:

1. It adopts color LCD touch screen to display the working status of the instrument, such as temperature, time and parameters.

2. 8 viscometer testing holes design, unique modular technology, can be measured regardless of low viscosity or high viscosity range.

3. Using a new temperature sensor and temperature control algorithm, display resolution of 0.01 ° C, temperature control accuracy ± 0.02 ° C.

4. The instrument automatically calculates the kinematic viscosity value and viscosity index of the product, and automatically prints and stores the measurement result.

5. Double glass cylinder design, can carry out the kinematic viscosity test under high and low temperature conditions at the same time, and automatically calculate and print the viscosity index value of the product.

6. 0.1 second to 999.9 seconds timing, room temperature – 100.00 degrees temperature range can be set arbitrarily.

7. The heater and other components are made of stainless steel, corrosion-resistant and durable, easy to observe.

8. The capillary meter card adopts three-point vertical type, which is flexible and convenient to operate, and the clamping is reliable.

 

Performance Standard:

 

GB265, ASTM D445, etc.

Display mode: 10-inch color LCD display

Temperature control range: arbitrarily set from room temperature to 100 °C

Temperature control accuracy: ±0.01°C

Timing accuracy: ±0.1S

Timing range: 0.1 seconds – 999.9 seconds

Thermostatic bathtub: 250×250mm double layer

Printer: Low-power thermal printer, paper width 56mm

Temperature measuring element: Imported precision platinum resistance

Stirring speed: 1520 rpm

Maximum power: 1800W

Operating environment:

Ambient temperature 15-35 °C

Ambient humidity less than 85%

Power supply: AC220V±10% 50Hz

Maximum size: 560mm*370mm*520mm

Weight:20Kg

 

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