Product Introduction
Main functions and features
Closed cup flash point tester, color touch screen instead of keyboard operation. Used to determine the closed flash point value of petroleum products. Adopt convenient, fast, open, fuzzy control integrated software, modular structure, in line with national standards, American standards and other standards. Widely used in railways, aviation, electric power, petroleum industry and scientific research.
Core function
Test standard: Compliant with domestic and international standards such as GB/T261, ASTM D93, and ISO 1523, and capable of determining the flash point using the closed cup method.
Temperature control: The temperature control range is from room temperature to 299.9℃, with a resolution of 0.1℃. An adaptive PID algorithm is adopted to automatically adjust the heating rate.
Operation mode: Supports electronic ignition or gas ignition. It has an automatic pressure correction function for atmospheric pressure. The testing process is completed automatically (heating, opening the cover, ignition, alarm, cooling, and printing).
Typical application
Determine the flash points of industrial oils such as transformer oil and hydraulic oil
Assess the flammability of liquid fuels and lubricants and other products
Comply with the regulatory requirements for flash points of dangerous goods in railway and air transportation
Technical Specifications
Power Supply: AC 220V ± 10%, Power Consumption ≤ 500W
Display: 320×240 LCD touch screen
Expansion Functions: Supports data storage, offline printing (built-in thermal printer), and can be connected to a computer for data processing.
Technical indicators
With the use of a new type of high-speed digital signal processor, the operation is reliable and the accuracy is high;
One main unit can simultaneously control multiple test furnaces to conduct tests on multiple samples, saving testing time;
Detection, opening the lid, ignition, alarm, cooling, printing, the entire experimental process is automatically completed;
Gas-electric dual ignition method, namely platinum alloy electric heating wire and gas ignition method;
Automatic detection of atmospheric pressure, automatic correction of test results, applicable to high-altitude areas;
Using the newly developed high-power high-frequency switching power supply heating technology, the heating efficiency is high, adopting adaptive PID control algorithm, automatically adjusting the heating curve;
Temperature exceeds the limit automatically stops the test and gives an alarm;
Thermal-sensitive trailing printer, making the printing more beautiful and faster, with offline printing function;
Historical records of time marks, up to 500 can be stored;
A century-long chronometer with temperature compensation, accurate timing, automatically recording the date and events of the measurement, and can run for more than 10 years even in the power-off state;
Using a 320*240 large-screen graphic LCD display, Chinese character display interface, rich content;
Using full touch screen buttons, intuitive and convenient operation.
Technical features and functions
HZBS-3 fully automatic closed flash point tester main technical features and functions:
1. Adopt new high-speed digital signal processor, reliable and accurate operation.
2. Test, open cover, ignition, alarm, cooling, printing, the whole test process is completed automatically.
3. This instrument adopts electric ignition;
4. Atmospheric pressure is automatically measured, and the test results are automatically corrected.
5. Adopt newly developed high-power high-frequency switching power supply heating technology, high heating efficiency, and adaptive PID control algorithm to automatically adjust the heating temperature curve.
6. Automatically stop detection alarm when the temperature is too high.
7. Thermal micro printer, more beautiful and faster printing, with offline printing function.
8. Up to 50 historical test records with time stamps can be stored.
9.640x480 color touch screen, easy to operate.
10. Full-screen touch screen buttons are used, and the operation is intuitive and convenient.
11. A variety of built-in execution standards are available.
2. Working principle
Under the conditions specified by the national standard, the equipment puts the sample into the test cup, affects the heating experiment of the oil cup, and ignites the flame with the oil vapor ambient air and the lowest temperature gas as the flash point. The digital signal processor controls the heater according to the temperature change, so that the test oil temperature rises at a certain speed. Automatically control ignition and flash detection; when measuring the flash, the system stops data acquisition, displays the flash temperature, prints and records the results, and stops heating.
3. Main technical indicators
1. Temperature measurement:
Measuring range: -49.9℃-400.0℃
Repeatability: 0.029X (X-average of two consecutive test results)
Resolution: 0.1℃
Accuracy: 0.5%
Temperature measuring element: platinum resistance (PT100)
Flash detection: K-type thermocouple
2. Ambient temperature: 10-40℃
Relative humidity: ﹤85%
Power supply voltage: AC220V±10%
Power: 50W
3. Heating speed: in line with national standards, American standards, etc.
4. Dimensions: 390X300X302(mm)
5. Instrument weight: 15kg
FAQ
01.Calibration Specification for Closed Cup Flash Point Tester?
Visual inspection: Check whether the appearance of the instrument is intact and free from obvious damage.
Accuracy calibration: Calibrate the instrument using standard oil, and check whether the values displayed by the instrument are accurate.
Repeatability calibration: Under the same conditions, measure the same sample multiple times to check if the instrument's repeatability is satisfactory.
Alarm function calibration: Check whether the alarm function of the instrument is functioning properly.
Air tightness check: Check whether there is any oil leakage at the connection points of each component of the instrument.
02.What are the calibration conditions?
Calibration environment: Calibration should be conducted indoors. The indoor temperature should be maintained at (20 ± 5)℃, and the relative humidity should not exceed 80%.
Calibration equipment: Standard calibration oil certified by the metrology department should be used.
03.What is the working principle?
The core working principle of the closed cup flash point tester is based on the standard of the closed cup test. The specific process includes the following key steps:
Sample loading.
Inject the liquid to be tested (such as petroleum products) into a sealed metal test cup to ensure that the testing environment is isolated from external air interference.
Programmed heating.
The sample is heated at a standard rate (typically 5-6°C/min) using an accurate temperature control device, and the temperature changes are monitored in real time by sensors.
Accumulation of vapor concentration.
As the temperature rises, the combustible vapor generated by the evaporation of the sample gradually reaches the combustible concentration threshold within the sealed container. Flash ignition detection.
When the temperature approaches the flash point, the instrument automatically triggers the ignition device, creating a test fire source above the cup. Once the concentration of the steam and air mixture reaches the critical value, it will come into contact with the fire source, resulting in a flash ignition phenomenon.
Temperature recording.
After the photoelectric sensor detects the flash ignition phenomenon, it immediately locks the current temperature value as the closed flash point. This data must meet the condition that the continuous burning lasts for no more than 1 second.
Technical Feature Supplement
Standardized design: Strictly follow the GB/T261-2008 standard to ensure the comparability and authority of the test results.
Safety protection mechanism: The device is equipped with explosion-proof structure and overheat protection device to prevent accidental combustion and spread during the testing process.
Automation control: Modern instruments integrate automatic ignition, temperature calibration and data recording functions, significantly reducing human operational errors.
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