【Scope of application】
The retroreflective sign measuring instrument is also called the retroreflective coefficient measuring (determining) instrument for reflective school uniforms in primary and secondary schools. It is a special instrument used to measure the retroreflective coefficient (R') of traffic on reflective school uniforms.
【Related standards】
GB/T 28468-2012 traffic safety reflective school uniforms for primary and secondary school students
【technical parameter】
1. Observation angle (α): continuously adjustable within the range of 0°～2.0°, and the reading accuracy is 0.002°;
2. Incident angle (β): continuously adjustable within the range of 0～±40°, and the reading division is 1;
3. Light source color temperature: 2856K (ie CIEA light source);
4. Detector: silicon diode, after being corrected by the filter, it meets the requirements of CIE standard photometric observer's spectral luminous efficiency V(λ);
5. The opening angle of the detector aperture to the sample: 12';
6. Measuring range: 0～1999 cd·lx-1·m-2 (three gears: ×1, ×10, ×100)
7. Instrument display: three and a half digital display meter;
8. Power supply: input AC voltage 220V, 50Hz; output DC voltage is continuously adjustable within the range of about 1～6V, and the accuracy is ±0.02V;
Service hotline：
Receipt mail：
