| Model | ST-PC31 |
| Illuminating/Viewing Geometry | 8/d |
| Measuring Aperture | Φ8mm/Φ4mm |
| Detector | Silicon photoelectric diode |
| Color Space | CIEL*a*b*C*h* CIEL*a*b* CIEXYZ CIERGB CIEL*u*v* CIEL*C*h Yellowness & Whiteness Color Fastness |
| Color Difference Formula | ΔE*ab ΔL*a*b* ΔE*C*h* ΔECIE94 ΔEhunter |
| Light Source | D65 D50 A |
| Light Source Device | LED blue light excitation |
| Errors Between Each Equipment | ≤0.40ΔE*ab |
| Storage | 100pcs standards 20000pcs samples |
| Repeatability | Standard deviation within ΔE*ab 0.06 Average of 30 measurements of standard white plate |
| Weight | 500g |
| 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 me 8 hours--100% electricity) |
| Measuring Times | Before Recharging more than 3000 mes |
| 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 concative surface |
| Printer (optional) | Miniature thermal printer |
| Model | ST-PC31 |
| Illuminating/Viewing Geometry | 8/d |
| Measuring Aperture | Φ8mm/Φ4mm |
| Detector | Silicon photoelectric diode |
| Color Space | CIEL*a*b*C*h* CIEL*a*b* CIEXYZ CIERGB CIEL*u*v* CIEL*C*h Yellowness & Whiteness Color Fastness |
| Color Difference Formula | ΔE*ab ΔL*a*b* ΔE*C*h* ΔECIE94 ΔEhunter |
| Light Source | D65 D50 A |
| Light Source Device | LED blue light excitation |
| Errors Between Each Equipment | ≤0.40ΔE*ab |
| Storage | 100pcs standards 20000pcs samples |
| Repeatability | Standard deviation within ΔE*ab 0.06 Average of 30 measurements of standard white plate |
| Weight | 500g |
| 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 me 8 hours--100% electricity) |
| Measuring Times | Before Recharging more than 3000 mes |
| 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 concative surface |
| Printer (optional) | Miniature thermal printer |