Optical Density Meter, Densimeter, Densitometer

(black-white densimeter, densitometer, film densitometer, Densimeter for Radiographic Testing, Density Tester, Density Meter)

SR3717 Light Transmission meter + Optical Density Meter

1. Size: 130mm*70mm*28mm(L*W*H
2. Sample diameter: > 10mm
3. Weigh: 500g (exclude batteries)
4. Optical Density Measuring Range: 0.000-3.000

5. Light Transmittance Resolution: 0.1%
6. Light Transmittance Accuracy: 1% (Colorless and transparent material)
6. Visible light wavelength: 380nm-760nm ( Full Weighted Spectrum)
7. Battery: 4*AAA alkaline battery

1. Optical Density and Light Transmittance two in one Meter;

2. Use parallel optical path of light source and receiver condenser design in order to measure big thickness materials;

3. Date record of History measure data, Optical density max, min, average value record function (Optical density max value is the min value of Light Transmittance.);

4. Suitable for measuring the light transmittance of glass products, solar film, paster glass, coating materials, organic material panel
5. Application for exhibition, production, quality inspection, inspection and other occasions.

DM3000 series Black-White Densitometer

DM3000 series black-white densitometer is used for measuring the blackness of films; it has advantages of accurate reading, high stability, strong anti-interference capacity, attractive appearance and easy operation. It can be widely applied to the fields such as nondestructive testing, sensitive materials, printing industry and medical industry etc. each unit is equipped with density tablet and calibration software for testing its accuracy.

Density Range

D=0.00-4.00 (DM3010)

D=0.00-4.50 (DM3010A)

D=0.00-5.00 (DM3011)



Measuring Error

0.00-2.00: 0.02

2.00-4.50: 0.05

4.50-5.00: 0.06


50~60Hz, 100V-120V or 200V-240V

Power Dissipation


Aperture Size Dia.



Three digital display

Light Source

27pcs LED

Sampling Time


Communication Port

RS232 Port, optional USB connection

Working Environment

Temperature 0C~40C, Relative humidity (RH)85%


260*265*110mm (H*W*L)



Demonstration of Calibration:

The users can calibrate the densitometer by their selves with our calibration software and standard step density tablet.