Best Light Meters: 9 Reliable Picks for Precise Lux Measurement
Nine light meters compared on stated lux range, accuracy, resolution and sensor design, including wide-range, split-sensor and PAR options.
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Temperature, humidity, light, sound, weather and data loggers.
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How to Choose a Light Meter
Cosine-corrected sensor, a stated spectral match, a range that covers your lighting, and LED capability if you measure LEDs.
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Extech LT45 Review: LED Light Meter for Modern Lighting
A lux and foot-candle meter with a range to 400,000 lux and settings for coloured LED sources; the Amazon listing bullets describe a different product.
Read Review→Extech LT300 Review: Handheld Light Meter for General Measurement
A lux and foot-candle meter reading to 40,000 lux with a remote cosine- and colour-corrected sensor, backlit LCD, min/max, data hold and relative mode.
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Extech 407026 Review: Heavy-Duty Light Meter With PC Interface
A rugged lux and foot-candle meter with four light-type settings including sodium and mercury, min/max/average, relative mode and an RS-232 PC interface.
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What Is a Lux Meter and When Is It Useful?
Measures how much light lands on a surface. Useful for workplaces, plants, photography and checking a "bright" room.
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