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  1. Rechargeable battery
  2. Micro USB interface
  3. Measuring range 0 ... 400.0 lux
  4. Lux and footcandle units
  5. LCD display with backlight
  6. Optionally with ISO calibration certificate


The lux meter has a large measuring range of 0 … 400 lux. The illuminance is measured using an external silicon photodiode with a spectral filter. This means that the lux meter can be positioned appropriately for every measuring task. The measured values ​​can be displayed by the lux meter in lux and in footcandles. In addition to the normal measured value display on the lux meter, the measured value is also displayed on a scale.


The lux meter has additional functions so that an analysis of the illuminance can be carried out. With the additional functions of the lux meter, the largest and smallest measured value can be output using the "MIN" and "MAX" buttons. In addition, the displayed measured value can be set in relation to a reference using the "REL" button. With the "PEAK" function, the lux meter records peak values. The lux meter has a sampling rate of 10 µs.


The LMD 10 also has a data memory of 32,000 measured values. The measured values ​​from the lux meter can be read out and analyzed on the PC after a measurement. A live measurement on the PC with the lux meter is also possible. The data from the lux meter can be exported in CSV format for further processing.


The built-in 3.7V Li-Ion battery can be recharged from the lux meter via a 5V DC connection via the micro-USB interface. Due to its measuring range and its various functions, the lux meter is used to control the lighting in greenhouses, at the workplace in production workshops or in photo studios, for example. Optionally, the lux meter can be equipped with an ISO calibration certificate.

Lux Meter LMD 5

  • Measuring range 1000 ... 400,000 Lux
      0.0 ... 999.9 Lux
    Resolution 1 Lux
      0.1 Lux
    Measuring range (footcandle)   1000 ... 400,000 fc
      100 ... 999 fc
      0.00 ... 99.00 fc
    Resolution 1 fc
      1 fc
      0.01 fc
    Accuracy ±5 % of measured value ±10 digits with standard light A
      ±10 % of measured value ±10 digits
    Repeatability ±2 %
    Sampling rate 4 Hz
    Sampling rate peak hold 10 µs
    Sensor silicon photodiode with spectral filter
    Battery status display battery symbol appears, 
      when the battery voltage is too low.
    Interface Micro-USB (only for charging)
    Power supply battery   3.7 V Li-Ion battery
    Power supply USB 5 V DC, 1 A
    Operating conditions -10 … 50 °C / 14 ... 122°F / <80 % RH,
    Storage conditions -20 … 50 °C / -4 ... 122° / <80 % RH,
    Dimensions meter: 162 x 88 x 32 mm /  6.4 x 3.5 x 1.3"
      sensor: 102 x 60 x 25 mm / 4 x 2.4 x 1"
    Weight ca. 320 g / 11.3 oz
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