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The Reed R8140 LED Light Meter is capable of measuring popular light sources including white, red, green, yellow and blue LEDs up to 199,900 Lux (19,990 Fc). The R8140 includes an auto-ranging feature to optimize resolution and keeps track of minimum and maximum readings. This instrument is also capable of measuring standard incandescent light sources.
Features
| Measuring Ranges | Lux: 0 to 199,900 Fc: 0 to 19,990 |
| Accuracy | Incandescent Light Source: ±(3% rdg.+ 5 dgt) Other Visible Light Source: ±8% rdg. |
| Resolution | Lux: 0.1 Fc: 0.01 |
| Response Time | 500mS |
| Sensor Type | Silicon photodiode with color correction filter and cosine correction |
| Light Types | White LED, Yellow LED, Green LED, Red LED, Blue LED, Warm White Fluorescent, Cold White Fluorescent Lamp, Incandescent |
| Angle deviation from cosine characteristics | 10° ±1% 30° ±2% 60° ±5% 80° ±20% |
| Autoranging | Yes (Auto and Manual) |
| Display | 6-Digit LCD |
| Backlit Display | Yes |
| Data Hold | Yes |
| Min | Yes |
| Max | Yes |
| Overrange Indicator | Yes |
| Auto Shut-Off | Yes (After 30 mins) |
| Low Battery Indicator | Yes |
| Power Supply | 2 x AA Batteries |
| Battery Life | Approx. 80 Hours |
| Product Certifications | CE, RoHS |
| Operating Temperature | 32 to 104°F (0 to 40°C) |
| Storage Temperature | 14 to 122°F (-10 to 50°C) |
| Operating Humidity Range | 0 to 80% |
| Dimensions | 6.7 x 2.5 x 1.5″ (169 x 63 x 37 mm) |
| Weight | 7.4 oz (210g) |
