产品介绍

Product Introduction

1. Overview

The NJTT-301V Road mark Retroreflection Measuring Instrument is a professional measuring instrument developed for measuring the reflective performance of road markings. The measured parameter is the reflection coefficient R 'or specific brightness of the marking, in units of mcd · lx-1 · m-2. This instrument is easy to operate and has reliable measurement values. It is suitable for both laboratory environments and on-site measurements. It is a preferred instrument for production, quality supervision, engineering construction, and supervision units to measure the retroreflective performance of road markings.

2. Standard:

International Commission on Illumination (CIE) No. 72, ASTM D4061-94, DIN67520, DIN67521, GB/T 26377-2010, GB/T 16311-2009, JJF 1809-2020, JJG (Traffic) 059-2004.

3. Product Features

1. One-off calibration of white and yellow standard coefficients for long-term use

2. Color touch screen display

3. With voice broadcasting function

4. Temperature and humidity display mode

5. Data storage function (built-in data storage card can be connected to the computer to export and store data)

6. Aluminum alloy host, rust proof

7. The overall size of the host is small and exquisite, making it easy to carry

8. Can measure the line retroreflection coefficient under wet (rainy night) and dry conditions

4. Main parameters

Observation angle of the instrument α= 1.05 °, incidence angle β= 88.76 °, complementary angle is 1.24 °.

The color temperature of the light source is 2856K ± 50K (CIEA light source)

The detector is a silicon diode+V（ λ） Corrector, corrected by a filter, meets the CIE standard photometric observer spectral optical efficiency V（ λ） Requirements.

The measurement range of the reflection coefficient R 'is 0-3000 mcd · lx-1 · m-2

Battery continuous working time: ≈ 72 hours

Data storage: 10000 test messages

Screen: 4.5 "854x480 (touch screen)

Computer connection method: TF memory card

Charging method: 220VAC 50HZ; DC8.4V

Power supply: lithium battery (6600mAh)

Protection level: IP54

Operating temperature: -15 ° C~+50 ° C

Storage temperature: -30 ° C~+85 ° C

Operating humidity: 10~90%, no condensation

Volume (length x width x height): 450mm x 130mm x 110 mm

Net weight: 3.8kg