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硅光敏探头前置,自适应光强,余弦系数修正,直径为10mm, 与显示面有70°夹角,一键操作,自动确定测量范围,1分钟后无操作动作则自动关机。选择开关置于电池盒一侧,软保护盒可保证运输和存储安全,背光照明版可在黑暗环境下测量。
在您购买之前,已经做过校准,可通过NIST码追踪查询,符合NRC国家标准, 在使用标准钨丝光源在2856K色温下,校准了的sensor的白昼视觉响应符合CIE标准观测曲线响应曲线,读数误差在1%。包含校准认证。
| Measuring Range | Lux: 0 - 400,000 Lux Footcandle: 0 - 40,000 FC |
| Accuracy | Overall: ±5% of displayed value Photopic: better than 1.0% of CIE curve Cosine Error: less than ±1.0% up to an incident angle of ±85° |
| Lux/FC Conversion | Auto Counting Conversion |
| Display | Lux: 0 - 40,000 Lux 10mm high, easily-read 3.75" digital LCD display |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
| Power Supply | One 9V Alkaline battery (included) |
| Battery Life | 300 hours in ON position 4 years in OFF position |
| Dimensions | 141mm x 59mm x 25mm |
| Weight | 150g |
| Range | Resolution |
| 0 - 375 | 0.1 |
| 376 - 4000 | 1 |
| 4001 - 40000 | 10 |