SPECIFICATIONS
| Model | NH300 | NH310 |
| Illuminating/Viewing Geometry | 8/d | 8/d |
| Measuring Aperture | Φ8 mm | Φ4 mm |
| Detector | 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 | |
| Errors Between Each Equipment | 0.40ΔE*ab | |
| Storage | 100 pcs standards 20,000 pcs samples | |
| Repeatability | Standard deviation within ΔE*ab 0.07Average of 30 measurements of standard white plate | |
| Weight | 500 g | |
| Dimension | 205 × 70 × 100 mm | |
| Power source | Rechargeable lithium-ion battery 3.7V@3200mAh | |
| Lamp Life | 5 years, more than 1.6 million measurements | |
| Charging Time | 2 hours (first time 8 hours--100% electricity) | |
| Measurement Times Before Recharging | More than 3,000 times | |
| Operating Temperature/Humidity Range | -10~40, relative humidity 0~85% with no condensation | |
| Data Interface | USB | |
| Extended Aperture (optional) | - | Φ8mm extended aperture, available for measuring concave surface |
| Printer (optional) | Miniature thermal printer | |