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Red handheld digital lux meter model 1339 with display and sensor

TES Electrical Electronic Corp.

TES Electrical Electronic Corp. 1339 Digital Lux Light Meter 0.01-999900 Lux Autoranging

SKU CH-58JQ-0Q8K5 MPN 1339

Measures illumination from .01 to 999900 lux with autoranging for quick, accurate readings

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • Measures extremely low light from .01 lux
  • Covers bright environments up to 999900 lux
  • Autoranging selects the correct scale automatically
  • Model 1339 built for electrician toolkits
  • Red finish aids quick identification on site

Professional Light Meter

The TES 1339 digital lux meter measures illuminance from .01 up to 999900 lux with autoranging. It is built for electricians, lighting designers and facility managers who need reliable readings on site or during commissioning.

Autoranging Measurement Limits

The single autoranging function shifts scales automatically across the full span. It cannot log data over time, connect to a computer or switch between lux and foot-candle units. Users needing timed records or software integration must choose a different instrument.

Range Capacity and Headroom

The .01 lux floor captures very dim emergency or decorative lighting. The 999900 lux ceiling covers direct sunlight and high-output industrial fixtures. Extremely low-contrast scenes or pulsed sources near the limits may exceed the meter’s practical resolution.

Highlights

  • Measures extremely low light from .01 lux
  • Covers bright environments up to 999900 lux
  • Autoranging selects the correct scale automatically
  • Model 1339 built for electrician toolkits
  • Red finish aids quick identification on site

Specifications

BrandTES
Model1339
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

Questions about this item

Which measurement range should I select for indoor versus outdoor lighting?

The meter covers 0.01 to 999900 lux with autoranging, so it automatically selects the appropriate range for both dim interiors and bright exteriors.

What does the 999900 lux upper limit mean when measuring direct sunlight?

The 999900 lux maximum exceeds typical full-sun illuminance, allowing accurate readings outdoors without over-range errors.

How does the autoranging feature affect measurement speed?

Autoranging automatically switches between scales, giving a stable reading across the full 0.01 to 999900 lux span without manual range selection.

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