Brief introduction: DW300R is an automatic model that we launch according to ASTM standard, with full independent intellectual property rights. DW300R is used to measure the anti-explosion performance of gasoline used in automobile and ignition aviation engine, which fully conforms to ASTM D2699 and ASTM D2700 (covering the latest standard requirements of GB/T5487 and GB/T503 at the same time). The standard reference fuel and the tested sample are used for the same test method, and the designed octane number test range is 40 ~ 120. The stability and reliability of the instrument, as well as the level of test operation automation, accuracy and stability of the results can reach the world's advanced level. Specification parameters: Cylinder diameter: 82.55mm(3.25in), piston stroke: 114.3mm(4.5in), displacement: 0.61l (37.33in3); The integral cooling jacket design, cooling fluid temperature: 100 + / - 1.5 ℃ (212 + 3 ℉) Engine speed: motor method (900 9) r/min research method (600 6) r/min; Adjustment range of compression ratio: 4:1 ~ 18:1; Lubricating oil pressure: 172 ~ 207 kpa, lubricating oil temperature: 57-8 ℃; Motor method of mixture temperature: 149 + / - 1.1 ℃ (300 ℉) plus or minus 2 Method of motor inlet temperature: 38 + / - 2.8 ℃ (100 + 5 ℉) Study inlet temperature: 52 + / - 1 ℃ (under standard atmospheric pressure) remain within + / - 1 ℃ Ignition advance Angle: the motor epsilon (26 5.0 + / - 0.1 °) according to automatically adjust the compression ratio, method: 13 °; Power supply: 380VAC 10%,50Hz with three-phase stabilized power supply, power: 8KWw; Instrument mounting size (W*D*H) : 2100 * 1800 * 1650(mm); Total weight: 800kg. Functional features: One machine is dual-use, and the motor method and the research method can achieve quick switching between two working conditions, and the operation is simple and easy. The instrument achieves all the operating functions required by the standards and is suitable for most laboratory applications. The engine adopts integral cooling jacket design and is equipped with four oil storage tanks, which has the function of automatic liquid level search and simplifies the liquid level adjustment of the maximum detonation signal. Precise rotation encoder is used to measure the running phase of the engine accurately, and precise ignition control is realized. The sensitivity and frequency response of knock sensor DT30DS have reached the level of imported products. The specially designed signal transmitter ensures the interchangeability of knock sensor. The atmospheric pressure compensation module is equipped with built-in octane number and compression ratio curve, which can directly output the test results and support access to the LIMS system. Equipped with large-capacity air conditioning unit DW30AU with two-stage temperature control function, providing dustless, dry and thermostatic gas in line with the standards; Equipped with lubricating oil preheating module, preheating time is controlled within 30 minutes, the lubricating oil is divided into coarse and fine filtering; Equipped with DW30CU low-power circulating cooling water system, users do not need to access tap water or large capacity water tank in the laboratory; The whole machine adopts structural design, and the control system adopts modular controller, which enhances the reliability and makes the daily maintenance, maintenance and fault treatment easy and convenient. All kinds of real-time status monitoring information on the operation interface is clear at a glance. The interface displays 100S detonation intensity trend curve in real time, automatically records startup time and cumulative running time, and automatically prompts for maintenance.
Brief introduction: DW300R is an automatic model that we launch according to ASTM standard, with full independent intellectual property rights. DW300R is used to measure the anti-explosion performance of gasoline used in automobile and ignition aviation engine, which fully conforms to ASTM D2699 and ASTM D2700 (covering the latest standard requirements of GB/T5487 and GB/T503 at the same time). The standard reference fuel and the tested sample are used for the same test method, and the designed octane number test range is 40 ~ 120. The stability and reliability of the instrument, as well as the level of test operation automation, accuracy and stability of the results can reach the world's advanced level.
