Summary
  SYD-QX-D Octane number & cetane number tester is our company's new product.It is suitable to determine the octane number and cetane number of aviation gasoline ,gasoline for motor vehicles,blended gasoline,ethanol gasoline,Methanol gasoline,automobile diesel fuels.

I. Main technical features
1.It adopts high precision test sensor, comprehensive analysis of large data,advanced calculation methods,the test result of
   gasoline octane number meets the requirement of GB/T 5487,GB/T 503 and ASTM D2699-86，the test result of diesel
   fuels meets the requirement of GB/T 386.
2.Gasoline octane number test：A test can display research octane number, motor octane number and antiknock index at
   the same time. Diesel fuels test can display the cetane number,to input standard density and mid-boiling point can get
   cetane index, to derive the correct the cetane number automatically.
3.The sensor signal adopts digital transmission technology, powerful anti-jamming performance, small variation, high
   precision, good reproducibility and repeatability.
4.It needs less test oil, every test only needs 150 ml samples; The test time is short, every test time is in 1 min.

II. Main technical specifications
1.   Working environment:
Temperature rang:  10℃～35℃
Relative humidity: ＜85％
2.Test range:
（1）Gasoline for motor vehicles:
  National standard: 70.0～110.0/RON       blended gasoline:   75.0～110.0/RON
  Ethanol:   E93: 92.0～95.0/RON         Isomerized gasoline: 87.0～108.0/RON
  Methanol:  M93 85～100/RON           M97 92～110/RON
  Methanol content:（M5～M25%）         E97: 95.0～99.0/RON
 （2）Raw material: light gasoline:50.0～80.0/MON  Arene gasoline:95.0～120.0/RON
 （3）Aviation gasoline: 85.0～105.0/MON  
 （4）Diesel fuel:  25～75/CN（cetane number）;   20～80/CI（cetane index）
3.Accuracy:
Aviation gasoline:                ≤± 1.5/MON
Gasoline for motor vehicles:       ≤±1.5/RON  ≤± 1.5/MON
Automobile diesel fuels:           ≤±2.6/CN    ≤±2.6/CI
Regression sample retest:        ≤±0.5/RON:  ≤±0.5/MON
Regression sample measurement:  ≤±1.5/RON   ≤± 1.5/MON
Calibration accuracy:             ≤±0.2/RON 
4.Precision(confidence level 95%)
Reproducibility:  ≤±0.5/RON      Repeatability: ≤±0.2/RON
5.Minimum scale:  0.1/RON    0.1/MON
6.Response time:  1s
7.Test result: LCD display, it can store and print（External printer）
8.Dimension：210×100×40 mm
9.Power supply：Charger：AC220V±10V/4.2V；One charge can be used about a week.
10. Instrument with 16 keys board(At bottom from left port to right port as printer,charger,sensor)