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Testboy TV 333 Digital Lux Meter



The Testboy TV 333 accurately and easily measures light strength and intensity using a freely moving sensor. The Testboy TV 333 can measure up to 100,000 Lux.

The Testboy TV 333 is a Digital Light Meter in a handy and robust plastic housing. The 18mm high-contrast LCD display allows quick, safe and accurate reading of the detected light intensity. The digital lux meter Testboy TV 333 is a high precision instrument for the precise determination of luminance and the incidence of light on a certain area. The measurement is made on a photo element, the result will be displayed in four measurement areas on the LCD screen.

The silicon photo diodes behind a large diffuser enables precise measurements of up to 100,000 Lux. It is suitable for measurements in offices, conference rooms, classrooms and other public buildings.


  • Free-moving sensor with coiled cable
  • Large, high-contrast display
  • Sensor protection cover


- Display: 18mm high LCD
- Measurement range:0 to 100000 lx
- Power supply:1 x 9 V Block
- Operating temperature:0 to 50 C (32 to 122 F)
- Measurement rate:0.4 s
- Over-range indication:"1" for exceeding measurement range
- Dimension:130 x 72 x 30 mm



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