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Sekonic i-346 Illuminator

Cat # 401-346

The Sekonic i-346 Illuminator is a simple, easy-to-use lux/foot candle meter for monitoring illumination in workplace and other environments

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Overview Specifications Features


Items Include:

i-346 Case

Unlike Sekonic exposure meters designed for photographic use, the Sekonic Illuminometer i-346 is a light meter that displays light values in lux and foot-candles.

Simple, versatile and easy to use, the Illuminometer i-346 monitors illumination levels incrementally wherever you need it:

  • Industry: workplace illumination
  • Government: health standards
  • Police: safety
  • Sports: conformance to standards
  • Construction: worker safety
  • Museum/ Gallery: display illumination
  • Agriculture: regulation of light for best growing
  • Movie/TV/Theater: control of dramatic lighting

With its compact size and simple AA battery power source, the small yet rugged i-346 light monitoring meter fits in your shirt pocket, making it easily transportable under almost any conditions or working scenario.


Weight0.2 lbs. (0.1 kg)
Exterior Dimensions2.5W X 0.9H X 4.3D in.
(6.4 X 2.3 X 10.9 cm)
Receptor HeadFixed Lumidisc
Light Receiving MethodFixed Lumidisc
Light Receptor ElementSilicon photo diode
Auto Power OffYes, About 4 minutes after last usage
Battery Power Indicator DisplayIcon with 3 status
Battery (Power)AA battery 1.5V x 1 (Alkaline, manganese, lithium, NiMH)
Operating Temperature Range32° to 104° F (0° to 40° C)
Storage Temperature Range(-4° to 140° F (-20° to 60° C)
Measurement Cycle0.5 seconds
Measurement Range2.50 lx to 200,000 lx/ 0.23 fc to 18,600 fc
Linearity±5% (23°C+/-2°C)


  • Small and lightweight enough to carry in a shirt pocket
  • Large LCD readout and simplified controls
  • Readings can be made in 3 different ways: Single, Continued or Delayed up to 60 seconds
  • Readout can be customized to display in either lux (lx) or foot-candle (fc) increments
  • A single AA battery powers for up to 20 hours of continuous reading
  • Automatically switches off after 4 minutes to save power
  • Year Warranty, extendable at no charge to 3 years total (USA only) after registration, backed by our outstanding customer support team
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