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NH310 paper brightness tester color meter

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Shenzhen 3nh Technology CO., LTD

NH310 paper brightness tester color meter

Country/Region china
City & Province shenzhen guangdong
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Product Details

NH310 paper brightness tester color meter 


Easy Operation Color ColorimeterHigh Precise and High Stable Portable Colorimeter
Product Instroduction

Certificates: ISO9001:2008; CE; FCC; ROHS; TUV.


NH310 high-quality portable colorimeter has adopted multi-channel color sensors of international brands, more stable IC platform as well as efficient and accurate algorithms to provide users with accurate and fast color management and application.


NH310 colorimeter is also designed with ergonomics and humanized operation and it has applied for a number of patents. NH310 colorimeter is a multifunctional colorimeter with high quality and competitive price. 3nh insists on independent research whose technology innovation is unique in color management field. 





NH310 colorimeter


Display Mode

CIE L*a*b; CIE XYZ; CIE RGB;CIEL*u*v; CIE*C*H; Whiteness &Yellowness; Color Fastness


Color Difference Formula

ΔE*ab; ΔL*ab; ΔE*C*H; ΔECIE94; ΔEHunter


Illuminating/viewing geometry  

8/d (8°illumination angle/diffuse viewing)


Light Source

LED blue light excitation



Silicon photoelectric diode


Measuring Aperture

Φ8mm; Φ4mm; Φ8mm extended aperture (optional)


Measuring Conditions

Observer: CIE 10° Standard Observer                                               Illuminant: CIE Standard Illuminant D65; D50; A


Measuring Range

L: 0 to 100



Standard deviation within ΔE*ab 0.06    (Measurement Conditions: Average of 30 measurements of standard white plate)



100 pcs standard samples; 20000 pcs test samples


Minimum Interval Between Measurement

Approx. 1 sec


Battery Life

More than 3000 measurements


Lamp Life

more than 1.6 million times in 5 years



TFT True-color; 2.8 inch@(16:9)



Model B: USB RS-232: Baud rate 19200bps


Operating Temperature Range

-10°C to 40°C (14°F to 104°F)


Storage Temperature

-20°C to 50°C (-4°F to 122°F)


Humidity Range      

less than 85% relative humidity, no condensation






205 x 70 x 100 mm


Size of the Packing

435 x 205 x 345mm


Standard Accessories

AC Adapter; Li-ion Battery; Operation Manual; Software CD; USB Cable; White Calibration Cover; Φ8mm Measuring Aperture; Φ4mm Measuring Aperture


Optional Accessories

Extended Aperture(Φ8mm); Mini-printer; Printer Cable, Universal Test Components, Powder Test Box






1. Repeatable accuracy DE<0.06.


2. Both camera locating and illumination locating


3. Built-in standard white calibration plate; Automatic calibration at startup


4. Optional 8mm extended aperture, available for measuring concave surface


5. Configuring 8mm & 4mm apertures which can measure colors of any item




3nh colorimeter spectrophotometers are widely used to compare color difference in plastic, electronic, painting, coating, ink, texile, garment, printing, dyeing, food, medical, cosmetic industries and institutes, schools and laboratoris. 



Company Information


Shenzhen 3nh Technology Co., Ltd. is a high-tech enterprise. We research, develop, produce and market photoelectric detection products in photoelectric detection technology field and color management field.



The parameters of test results are integrating with international standards. Our 3nh brand colorimeter spectrophotometer products are exported around the world. We can provide customization service which has been well received by customers.


Product Details
Colorimeter Spectrophotometer Certifications


All our products have one year warranty from the purchase date. If it has something wrong during warranty, you can send it back to us. The buyer pays for the returning shipping cost and we will pay for the sending shipping cost.


Related Knowledge about Spectrophotometer


Color Space

-L(Lightness)-0 is black,100 is white
-a(Red-Green)-positive values are red; negative values are green and 0 is neutral
-b(Blue-Yellow)-positive values are yellow;negative values are blue abd 0 is neutral

L: Lightness,value is the same in each scale C:Chroma H:Hue Angle

dE Total Color difference
Delta-E is a measurement used to indicate how much a color deviates from an accepted standards.The higher the dE, the more inaccurate the color.


Waiting for your inquiry, any more questions I will reply you within 24 hours 


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