| Substance | Emissivity | Substance | Emissivity |
| Asphaltum | 0.90 - 0.98 | Plastic | 0.8 – 0.95 |
| Concrete | 0.70 – 0.75 | Plastic film | 0.5 – 0.95 |
| Sand | 0.8 – 0.9 | Ceramic glaze | 0.85 – 0.95 |
| Soil | 0.85 – 0.96 | Marble | 0.90 – 0.94 |
| Water | 0.92 – 0.98 | Quartz | 0.90 |
| Ice | 0.96 – 0.98 |
Aluminium (oxidized) |
0.7 – 0.8 |
| Snow | 0.83 | Copper(oxidized) | 0.7 – 0.8 |
| Glass | 0.9 – 0.95 | Iron (oxidized) | 0.78 – 0.82 |
| Keramics | 0.9 – 0.94 | Lead (oxidized) | 0.3 |
| Gypsum | 0.89 – 0.91 | Zinc (oxidized) | 0.1 |
| Red brick | 0.75 – 0.90 | Zincified iron | 0.3 |
| Drygoods | 0.93 – 0.98 |
Cast iron (polished) |
0.2 |
| Charcoal | 0.96 |
Iron plate (oxidized) |
0.75 – 0.82 |
| Hominine skin | 0.98 |
Steel plate (oxidized) |
0.8 – 0.9 |
| Leather | 0.75 – 0.80 |
Stainless steel (Polished) |
0.1 |
| Paper | 0.8 – 0.94 | Gold (polished) | 0.1 |
| Lignum | 0.8 – 0.9 | Silver (polished) | 0.1 |
| Asbestus | 0.95 | Copper(polished) | 0.1 |
| Paint | 0.9 – 0.98 |
Aluminium (polished) |
0.1 |
| Rubber | 0.90 – 0.98 |
Chromium (polished) |
0.1 |
| Basic Function | VA6530 | VA6532 | VA6533 | |
| Measurement Range |
-20°C ~ 50°C: ±2.5°C 50°C ~ 537°C ± (reading×1%+1°C) ( -4°F ~ 999°F) |
√ | √ | √ |
| Emissivity | 0.95 | √ | adjustable | √ |
| Resolution | 0.2°C | √ | √ | √ |
| Distance to Spot Ratio | 12:1 | √ | √ | √ |
| Spectral Response | 8-14μm | √ | √ | √ |
| LCD Display | 2-temperature, 4 digits | √ | √ | √ |
| Alarming temperature range | 30°C ~ 535 °C (86°F ~ 995°F) | √ | √ | √ |
| Laser Powe | Less than 1 mW | √ | √ | √ |