PESSL INSTRUMENTS LUX METER
Photometry or Luxmeter IM508D refers to the measurement of visible radiation (light) with a sensor having a spectral responsivity curve equal to the average human eye. The sensor is used to measure lighting conditions where the eye is the primary receiver, such as illumination of work areas, greenhouses, interior lighting etc.
SENSOR | PESSL INSTRUMENTS LUX METER |
Part No. | IM508D IM5081D IM5089D |
Technical specifications
Sensor | VTB 1012 HB |
Calibration | Skye SKL 310 |
Stability | 5% drift on 2 years use |
Time to measure | 250 ms |
Temperature dependency | 0.15% per °C |
Cosines correction | Sensor corrects up 80° degrees |
Direction error | 1% through 360 degrees at 45° |
Working temperature | -20°C to 65°C |
Relative Humidity | 0 to 100% |
Sensor | Photodiode |
Housing | Weatherproof PAS case with acrylic diffuser, stainless steel hardware |
Size | 35 mm diameter, 45 mm height |
Weight | 114g |
Evaluation | Pulse Wide Modulation Output 8.18% pulse wide at 0 Lux 91.82% pulse wide at 80 000 Lux |
Spectral range | 330-730nm, Peak at 580 nm Par Quantum |

PESSL INSTRUMENTS GmbH
Werksweg 107, A-8160 Weiz, Austria
Tel: +43 (0) 3172 5521, Fax: +43 (0) 3172 5521 23
E-mail: sales@metos.at, Webpage: www.metos.at
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