This instrument is designed and manufactured in accordance with GB/T7598 “Test Method for Water-Soluble Acids in Insulating Oils and Turbine Oils in Service (Colorimetric Method)”. It is specially used for the determination of water-soluble acids (pH) in petroleum products such as transformer oil, turbine oil, and fire-resistant oil. Main features: 1. The pH value is determined by colorimetry, which can process and sequentially complete the detection of 1-3 samples at a time. 2. It features a color touch screen display, and the detection system uses laser components with low power consumption and high precision. 3. Simply inject oil and water in accordance with the standard regulations, and the instrument will automatically complete functions such as heating, oscillating, standing, oil-water separation, color development, colorimetry, displaying and printing the determination results. Technical indicators: Display mode： Color touch screen display Applicable standards： GB/T7598 Measurement range： PH3.8～7.0 measurement error ≤±0.1 PH repetitiveness ≤0.1 PH Applicable temperature 10℃～45℃ Applicable humidity ＜85%RH power supply AC220V/50Hz power 500W Overall dimensions 570*380*300mm weight Approximately 36Kg

This instrument is designed and manufactured in accordance with GB/T7598-2008 “Test Method for Water-Soluble Acids in Insulating Oils and Turbine Oils in Service (Colorimetric Method)”. It is specially used for the determination of water-soluble acids (pH) in petroleum products such as transformer oil, turbine oil, and fire-resistant oil. The instrument features a high degree of automation. After injecting the oil sample and water in accordance with the standard regulations, the instrument will strictly perform heating, oscillation, oil-water separation, extraction of duplicate water samples, addition of two indicators (bromocresol green and bromocresol purple) respectively, color development, colorimetric determination, display and print the test results in the sequence specified by the standard. It can process and sequentially complete the detection of 3 samples (3-cup type) or 6 samples (6-cup type) at one time. Technical indicators： Display mode： Chinese LCD screen  Test scope： PH3.8-7.0 Measurement error： ≤±0.05 PH Repetitiveness： ≤0.05 PH Applicable temperature： 10℃～45℃ Applicable humidity： ＜85%RH Power Supply： AC220V/50Hz  Power： 500W

This instrument is designed and manufactured in accordance with the national standard GB/T507-2002 and the electric power standard DL429.9-91. It is suitable for testing the degree of physical contamination of insulating oil by water and other suspended substances, and is widely used in industries such as electric power, petroleum, and chemical engineering. Main features: 1. Adopting a microprocessor, with three cups integrated, it automatically completes operations such as boosting voltage, maintaining voltage, stirring, standing, calculating, and printing. It can conduct oil circulation withstand voltage tests within the range of 0-80KV. 2. The instrument will automatically complete the withstand voltage tests for 1-3 oil samples. After completion, it can print out the breakdown voltage values and average values of each test for each oil sample. 3. It has power-off retention function, can store 100 test results, and can display the current ambient temperature and humidity. 4. It uses a single-chip microcomputer to control the uniform voltage boosting, and the voltage frequency is accurately 50HZ, making the entire process easy to control. 5. It is equipped with overvoltage, overcurrent, and limit protection to ensure the safety of operators. 6. It has a standard RS232 interface, which can communicate with a computer. Main…

This instrument is designed and manufactured in accordance with the national standard GB/T507-2002 and the electric power standard DL429.9-91. It is suitable for testing the degree of physical contamination of insulating oil by water and other suspended substances, and is widely used in industries such as electric power, petroleum, and chemical engineering. Main Features: 1. Equipped with a microprocessor, it can automatically perform operations such as boosting, maintaining, stirring, standing, calculating, and printing, and can conduct oil circulation withstand voltage tests in the range of 0 to 80KV. 2. The breakdown voltage values and cycle times for 1 to 6 times are automatically stored. After the test is completed, the thermal printer can print out each breakdown voltage value and the average value. 3. It has power-off retention function, can store 100 test results, and can display the current ambient temperature and humidity. 4. It is equipped with overvoltage, overcurrent, and limit protection to ensure the safety of operators. Main technical indicators: Test voltage: 0-80KV（Optional） voltage distortion rate: <3% boosting speed: 2.0-3.5KV/S （adjustable） Standing time: 15 minutes (adjustable) Boost interval: 15 minutes (adjustable) Number of boosting times: 1-6 times (optional) Booster capacity: 1.5KVA measurement accuracy: ±（2%+2） Power Supply: AC220V/50Hz Power: 500W Applicable temperature: 10℃～45℃ Applicable humidity: 30%～85% Size: 465X385X425mm

This instrument complies with standards such as GB/T 509 “Determination of Actual Gum in Engine Fuels”, GB/T 8019, and ASTM D381. It is suitable for determining the tendency of fuels (gasoline, kerosene, diesel) to form gum during use in engines in accordance with the method specified in GB/T 509. Main Features： 1. High-precision PT100 temperature sensor is adopted, with good temperature control accuracy. 2. Fast heating speed, high constant temperature precision, and metal bath constant temperature. 3. No noise, no pollution, and uniform and stable air flow distribution. Main technical indicators： Bath constant temperature range: room temperature – 300℃ Constant temperature points and accuracy: 150±1.0℃, 180±1.0℃, 250±1.0℃; Power consumption: less than 2500W Oil bath: Φ200×220mm, rated current: 10A Temperature control accuracy: ±0.1℃ Temperature sensor: Pt100 Number of test holes: 3 Flowmeter flow range: 40-70L/min Relative humidity: ≤85% Thermometer: 0-360℃, graduation value 1.0℃ Ambient temperature: 5℃-40℃ Power supply voltage: AC 220V±10% 50Hz±10% Overall dimensions: 560mm×400mm×320mm Instrument weight: 30.9kg

This instrument is suitable for determining the ash content of petroleum products and adopts the national standard “GB/T508 Test Method for Ash Content of Petroleum Products”. Use ashless filter paper as the ignition wick, ignite the sample placed in an appropriate container, burn it until only carbon remains, then heat the carbonaceous residue in a high-temperature furnace at 775°C to convert it into ash, and then cool and weigh it. The instrument is mainly composed of a high-temperature furnace, a temperature controller, a porcelain crucible, quantitative filter paper (selected by the user), large iron tongs, etc. The temperature controller can measure, display and control the temperature in the electric furnace, so that the temperature in the furnace can automatically maintain a constant temperature. The controller uses a pointer display and is equipped with an ammeter, which is convenient and intuitive to use. The resistance furnace is a heating resistor, and the maximum temperature in the furnace is from room temperature to 1000°C. Main technical indicators： Room temperature ~ 1000℃, high-temperature constant temperature furnace, Operating temperature: 775℃±25℃ Input voltage: AC 220V±10% 50Hz Heating power: 2.5KW Furnace chamber size: 300×200×120mm Porcelain crucible: 50ml Ambient temperature: around 25℃ at room temperature

This instrument is designed and manufactured in accordance with the requirements specified in the People’s Republic of China standard GB/T11132 “Test Method for Hydrocarbons in Liquid Petroleum Products (Fluorescent Indicator Adsorption Method)”. It is suitable for using fluorescent indicators to display the main hydrocarbons in liquid petroleum products on a silica gel adsorption column in accordance with the method specified in standard GB/T11132, and calculating their volume percentages, which serve as quality determination indicators for fuel oils such as engine fuels and aviation fuels. This instrument is a special-purpose instrument for determining the volume fractions of aromatics, olefins and saturated hydrocarbons in petroleum fractions. Main technical indicators： Power supply voltage: AC220V±5%; 50Hz Pressure regulating range of pressure reducing valve: 0～400kPa Electric oscillator: Two channels are controlled separately Ultraviolet light source tube: Length 1220mm, wavelength 365mm±5nm Lighting lamp: Length 1220mm, power 40W Gas supply mode: Nitrogen cylinder (or air compressor, compressed air cylinder) Ambient temperature: 5～35℃ 

The BC-0301 Hydraulic Oil Hydrolytic Stability Tester is manufactured in accordance with SH/T0301 Hydraulic Fluid Hydrolytic Stability Test Method (Wine Bottle Method) and ASTM D2619. It is suitable for determining the hydrolytic stability of hydraulic fluids using the glass bottle method. The hydraulic oil hydrolytic stability tester is applicable for testing mineral oil-based and synthetic hydraulic fluids. Main Features： 1. Equipped with a 7-inch color touch screen with a resolution of 800×480, featuring a simple and user-friendly human-machine interaction. 2. Uses a 32-bit microprocessor as the main control core and an intelligent operating system. 3. A large-sized observation window for easy monitoring of the test progress. 4. High-precision and high-torque motor, DD direct drive, no transmission noise, capable of conducting 6 groups of tests simultaneously. 5. Rotating mechanism that is easy to install and disassemble, with simple operation. 6. High-precision Pt100 temperature sensor, PID automatic temperature control, and real-time display of temperature curves. 7. Automatic timing and time-up alarm prompt system. 8. High degree of automation, featuring automatic temperature control, automatic rotation, automatic timing reminder, and no need for manual intervention. Main technical indicators： 1. Applicable standard: SH/T0301 2. Temperature control method: PID control method 3. Temperature control range: 0~150℃…

This instrument is designed and manufactured in accordance with the requirements specified in the People’s Republic of China standard GB/T3145 “Test Method for Crystallization Point of Benzene”. It is suitable for determining the crystallization point of benzene in accordance with the test method specified in the GB/T3145 standard. Under specified cooling conditions, when the test sample is cooled to a certain temperature, after solids precipitate, the temperature rises again, and the highest temperature reached during this rise is the crystallization point. Main technical indicators： Operating power supply: AC220V±10%, 50HZ Temperature range: room temperature ~ -15℃, temperature control accuracy 0.1℃ Application range: determination of the crystallization point of benzene Performance characteristics: desktop, digital temperature control, compressor refrigeration Number of test holes: double holes Stirring speed: 60 times per minute

The BC-0210 Hydraulic Oil Filterability Tester is designed and manufactured in accordance with SH/T 0210 “Test Method for Filterability of Hydraulic Oils”. It is suitable for determining the filtering performance of various petroleum-based and synthetic hydraulic oils. It adopts an integrated design, making operation and maintenance simple and convenient, without the need for an external vacuum pump or water bath. Main Features： 1. 7-inch color touch screen with a resolution of 800×480, featuring an attractive and user-friendly human-machine interaction. 2. Adopting a 32-bit microprocessor as the main control core and a graphical operating system. 3. Integrated design of temperature control, suction filtration, and timing, enabling simple operation. 4. Equipped with a built-in oil-free and maintenance-free vacuum pump, with program-controlled suction filtration. 5. Built-in high-power Peltier temperature control module, no noise. 6. PID temperature control for precise control of sample temperature. 7. Using a digital pressure sensor, which can be calibrated with an external precision pressure gauge. Main technical indicators： 1. Display method: 7-inch liquid crystal display (LCD) with a resolution of 800×480. 2. Temperature control range: 18~24 ℃ (as specified in the standard); 10~40℃ (expandable) 3. Temperature control accuracy: ±1 ℃ 4. Resolution: 0.1 ℃; Pressure measurement range: (-100~0) kPa….