1. Product Overview

ZTT-101E Portable Multi-Angle Reflectometer is a smart traffic sign retro-reflectivity coefficient measuring instrument developed and produced by Beijing Tiandi Xinghuo Science and Technology Development Co., Ltd. It can be used for laboratory and field measurement of the retro-reflectivity coefficient of traffic sign (reflective film) materials, vehicle reflective stickers and other materials. It is suitable for quality supervision departments, engineering construction and supervision units to control and inspect the quality of sign retro-reflectivity coefficient; traffic management departments and vehicle inspection stations to measure the reflective performance of truck-type motor vehicle body reflective identification; and the production enterprises of retro-reflective materials to monitor the quality of their produced reflective materials.




2. Meeting Standards

It conforms to the national and transportation industry standards of our country.

GB/T 26377-2010: Reflectometer for Back Reflection

GB/T18833-2012, "Reflective Sheeting for Road Traffic"




Appendix C and D of GB 20653-2020, "Highly Visible Safety Clothing for Occupational Use"

GB/T 33536-2017, "Protective clothing - Forest firefighter's clothing"

GB/T 38046-2019: Reflective Vest for Vehicle Passengers

GB/T 28468-2012 - Standard for Reflective School Uniforms for Primary and Secondary School Students




JJG (Transportation) 059-2004 "Standard for Calibration of Retro-Reflectometer"

JTT 690-2022: "Method for Measuring Photometric Performance of Retroreflective Devices"




Meanwhile, the design of the instrument conforms to the international standard ISO 3864 (1984) and the technical specifications of CIE No. 54 issued by the International Commission on Illumination, and it also references other relevant national standards.

ASTM E808-01 Standard for Description of Retroreflectivity

ASTM E809-00: "Measurement of Optical Performance of Retroreflective Devices"

ASTM E8-100, "Standard Test Method for Reflective Sheeting for Horizontal Traffic Applications - Measurement of Retroreflectivity"

Germany DIN 67520-1994, etc.


3. Technical Specifications

1. Observing angle (α): standard 0.2°, 0.5°, 1° (simultaneous measurement);

2. Incident angle (β): standard configuration of -4°, 15°, and 30°;

3. Light source color temperature: 2856K ± 50K (CIE A light source);

4. Detectors: Silicon diodes, corrected by filters to meet the requirements of the CIE standard observer spectral luminous efficiency.

5. Measuring Area: A 1.18-inch circular area;

6. Reflective coefficient measurement range: 0~3500 cd·lx-1·m-2;

7. Resolution: 0.1 cd·lx-1·m-2;

8. Repeatability measurement error: ≤2%;

9. Screen: 4.3 inch high definition IPS color touch LED daylight display (resolution 800*480)

10. Data storage: over 150,000 test records

11. Color Recognition: Standard color recognition for white, yellow, red, green, blue, and other colors.

12. Storage method: Data is stored on a TF card (a TF data storage card is included for connecting to a computer and exporting stored data).

13. Voice Announcements: Standard Feature

14. Temperature and humidity display: standard feature

15. Bluetooth printer: standard equipment

16. Auto Shutdown: Supported (can set automatic shutdown time by yourself)

17. Language: Chinese/English

18. Voice Switch: Supported.

19. Backlight Adjustment: Supported.

20. Date display and setting: supported.

21. Data Correction: Supported.

22.Power Supply: Powered by a lithium battery (8.4V, 5200mA).

23.Operating temperature: -15°C to 55°C

24. Operating humidity: 10%-90%, no condensation.

25. Net dimensions: 230mm x 120mm x 260mm

26. Net weight: 2.4kg (main unit)



4. Configuration List

1. One host;

2. Calibration boards (3): white, yellow, red-green, and blue-black;

3, 15° and 30° angle heads each

4. A Bluetooth printer

5. 2 rolls of printing paper

6. 1 card reader

7. Two chargers (one for the host and one for the printer);

8. One instrument case;

9. One certificate of conformity, one warranty card, and one user manual.