Extech LT300 Light Meter (400,000 LUX)

  • Wide range – measures up to 20,000 foot-candles or 200,000 lux
  • Fast response – instant light readings for quick checks
  • Data hold – freeze readings for easy recording
  • Min/Max function – monitor light level fluctuations
  • Auto power off – saves battery during field use
  • Cosine and colour corrected sensor – accurate under all light sources
  • Large LCD display – clear visibility in any environment
£208.80 £174.00

Availability: Usually 5 working days

Product Code
EXTLT300

Free Delivery

90-day Returns

Technical Support

Extech LT300 Light Meter (400,000 LUX)

What is the Extech LT300 Light Meter?

The Extech LT300 is a digital light meter designed for electricians, HVAC engineers and facility technicians who need accurate lux or foot-candle readings in workplaces, offices and industrial environments. It helps ensure lighting systems meet compliance standards, improve safety and optimise energy efficiency.

With a simple one-handed design and high-accuracy sensor, the LT300 delivers instant, reliable readings for fast light level verification and maintenance checks across a range of lighting conditions.

 

How does the LT300 stand out in everyday use?

Compact, easy to use and highly accurate, the Extech LT300 makes lighting assessments straightforward, from checking emergency lighting to verifying indoor illumination levels for compliance.

 

Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.

 

More Information
ManufacturerExtech
Manufacturer Part NumberLT300
GTIN0793950473009
Included CalibrationCall for info
document Datasheet (178.59 kB)
document Manual (216.30 kB)
  • Display: 3½ digit (2000 count) LCD
  • Measurement range: 0 to 20,000 Fc / 0 to 200,000 Lux
  • Resolution: 0.1 Lux / 0.01 Fc
  • Accuracy: ±5% (calibrated to standard incandescent lamp)
  • Sampling rate: 2.5 times per second
  • Sensor: cosine and colour corrected silicon photodiode
  • Data hold: Yes
  • Min/Max recording: Yes
  • Auto power off: Yes
  • Power supply: 9V battery
  • Dimensions: 170 × 80 × 40 mm
  • Weight: 300 g
  • Extech LT300 Light Meter
  • Light sensor with protective cap
  • 9V battery
  • Protective carry case
  • User manual
Other products you might like

Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.