| NH300 | NH310 |
Illuminating/Viewing Geometry | 8/d | 8/d |
Measuring Aperture | Φ8mm | Φ8mm/Φ4mm |
Detector | Silicon photoelectric diode | Silicon photoelectric diode |
Color Space | CIEL*a*b*C*h* CIEL*a*b* | CIEL*a*b*C*h* CIEL*a*b* CIEXYZ CIERGB CIEL*u*v* CIEL*C*h Yellowness & Whiteness Color Fastness |
Color Difference Formula | △E*ab △L*a*b △E*C*h | △E*ab △L*a*b* △E*C*h* △ECIE94 △Ehunter |
Light Source | D65 | D65 D50 A |
Light Source Device | LED blue light excitation | LED blue light excitation |
Errors Between Each Equipment | ≤0.40ΔE*ab | ≤0.40ΔE*ab |
Storage | 100pcs standards 20000pcs samples | 100pcs standards 20000pcs samples |
Repeatability | Standard deviation within ΔE*ab 0.07 Average of 30 measurements of standard white plate | Standard deviation within ΔE*ab 0.06 Average of 30 measurements of standard white plate |
Weight | 500g | 500g |
Dimension | 205×70×100 mm | 205×70×100 mm |
Power source | Rechargeable lithium-ion battery 3.7V@3200mAh | Rechargeable lithium-ion battery 3.7V@3200mAh |
Lamp Life | 5 years, more than 1.6 million measurements | 5 years, more than 1.6 million measurements |
Charging Time | 2 hours (first time 8 hours--100% electricity) | 2 hours (first time 8 hours--100% electricity) |
Measuring Times Before Recharging | more than 3000 times | more than 3000 times |
Operating Temperature/Humidity Range | -10~40℃, relative humidity 0~85% with no condensation | -10~40℃, relative humidity 0~85% with no condensation |
Data Interface | USB | USB |
Extended Aperture (optional) | - | Φ8mm extended aperture, available for measuring concave surface |
Printer (optional) | Miniature thermal printer | Miniature thermal printer |