
SKU: LT300-NIST
Insufficient lighting can create security risks or result in OSHA crackdowns. The Extech LT300 light meter can determine whether you have adequate illumination to protect workers, students, visitors, patients or attendees of different venues. This handheld instrument measures up to 40,000 Fc (or 400,000 Lux) utilizing a remote light sensor connected via 12 in. coiled cable (expandable to 24 in.). A prominent LCD readout displays a digital calculation and complementary analog bar graph for quick, reliable assessments. Complete with 9V battery, light sensor with protective cover, protective holster, and soft case.
List price. Volume pricing available.
Insufficient lighting can create security risks or result in OSHA crackdowns. The Extech LT300 light meter can determine whether you have adequate illumination to protect workers, students, visitors, patients or attendees of different venues. This handheld instrument measures up to 40,000 Fc (or 400,000 Lux) utilizing a remote light sensor connected via 12 in. coiled cable (expandable to 24 in.). A prominent LCD readout displays a digital calculation and complementary analog bar graph for quick, reliable assessments. Complete with 9V battery, light sensor with protective cover, protective holster, and soft case.
The Extech LT300-NIST Light Meter, Analog and Digital w/NIST LT300 # LT300-NIST is manufactured by Extech. Valley Instrument Service is an authorized Extech dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681| NIST Calibration | Yes |
| Cosine and Color Corrected | Yes |
| Light (Foot Candle) | 40,000Fc |
| Light (Foot Candle) Basic Accuracy | ±5% of reading |
| Light (Foot Candle) Max Resolution | 0.01Fc |
| Light (Lux) | 400,000Lux |
| Light (Lux) Basic Accuracy | ±5% of reading |
| Light (Lux) Max Resolution | 0.01Lux |
| Certifications | LT300-NIST_S: CE, NIST / LT300_S: CE |
| Dimensions | 5.9 × 2.95 × 1.57" (150 × 75 × 40mm) |
| Power | 1 × 9V battery |
| Warranty | 2 years |
This product is part of a family with 2 models. Select a model below to view details.
| Model | Price | |
|---|---|---|
LT300 | Request Quote | View Details → |
LT300-NISTCurrent | Request Quote | Viewing |

Meter features fast/slow response time and an analog output (1mV per count) for capturing readings to a recorder. Comes complete with 9-Volt battery.

This 407026 Heavy Duty Light Meter has 4 lighting type settings for enhanced accuracy (Tungsten/Daylight, Fluorescent, Sodium, Mercury). Additional features include Data Hold, Min/Max/Average, Auto power off and a % reading of the differential from a reference point. Built-in RS-232 interface with optional Data Acquisition Software and Data logger. Complete with 9V battery, light sensor with 45" (1.1m) cable, protective cover, and holster with stand.

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