Standard

GB/T503-2015, GB/T5487-2015, ASTMD2700 (motor method), ASTMD2699 (research method), ASTM D613

Specification

1. Measurement range: ⑴ Aviation gasoline: 86.0～105.0/MON

⑵ Vehicle gasoline

GB: 55.0～115.0/RON

Country 5: 65.0～115.0/RON

Blending: 75.0～120.0/RON Heterogeneous: 85.0～120.0/RON

Lightweight: 50.0～85.0/MON Aromatics: 90.0～120.0/RON

Ethanol: E93: 92.0～95.0/RON; E97: 95.0～99.0/RON

Judgment: 60.0～120.0/RON

(3) Vehicle diesel: 25～75/CN (Cetane Number); 20～80/CI (Cetane Index)

2. Accuracy:

Aviation gasoline: ≤± 1.5/MON;

Motor gasoline: ≤±1.5/RON; ≤±1.5/MON

Vehicle diesel: ≤±2.5/CN; ≤±2.5/CI

Regression sample retest: ≤±0.5/RON; ≤±0.5/MON

Regression sample measurement: ≤±1.5/RON; ≤±1.5/MON

Calibration accuracy: ≤±0.2/RON ≤±0.2/MON

3. Precision (95% confidence level): Reproducibility: ≤±0.5/RON;

                                                         Repeatability: ≤±0.2/RON