Introduction

WF series colorimeter adopts advanced design methods and excellent and strict manufacturing techniques to achieve high repeatability, fast and reliable measurement. 

Shenzhen CDW combines advanced technology in multiple breakthroughs in colorimeter challenges, such as when measuring darker colors, 

about instrument-stable problems, tedious startup calibration problems

Features

Repeatability <0.07

Utra-long life LED light source

Faster 05s measurement speed

Large capacity lithium battery supply

8mm universal aperture measurement

Specification

Model WF28

Display Mode   CIELAB、CIELCH

Color Difference Formula   △E*ab

Illumination Condition   CIE Recommendation：8/d

Light Source   LED blue excitation

Sensor   Photodiode array

Measurement Aperture   φ8mm

Measurement Condition   Observer：CIE 10° Standard observer

Light source: D65 

Contain light way：SCI SCE

Measurement Range   L: 0 to 100

Repeated Accuracy   △E<0.07(take the deviation average after 30 times measuring the whiteboard)

Table Difference   △E<0.2

Measurement Interval   0.5 Sec.

Storage Capacity   Type sample data : 100 with testing sample data: 200

Language Simplified Chinese/English

Battery Charging Time   8 hrs

Battery   Li-ion battery, 5000 times Measurement

Lifetime of Bulb   5 years more than 1.6 million measurements

Display Screen   TFT true color 2.8inch@(16:9)  Resolution ratio:400x240

Interface of External   RS-232 (115200bps)- connected with micro printer

Working Temperature Range   0℃-40℃（32℉-104℉）

Storage Temperature Range   -20℃-50℃（-4℉-122℉）

Humidity Range   Relative humidity less than 85%,without condensation

Weight   700g

Size   199*68*90mm

Size of Exterior Package   400*240*340mm

Standard Accessories   3000mAH Li-ion battery/AC adapter/User manual/Warranty card

Optional Accessories   Flour measuring device/Liquid measuring device/Micro printer