Triplett LT75-NIST Digital Light Meter Lux/Fc
- Measures up to 40k Foot candles (400k Lux)
- Measures light from fluorescent, metal halide, high-pressure sodium, and incandescent sources
- Cosine angular corrected
- Zero adjustment
- Min/Max/Average function recalls highest, lowest and average readings

The Triplett Model LT75 Digital Light Meter Lux to Fc is an essential tool for measuring light intensity in various environments such as factories, schools, and hospitals. With a measurement range of up to 40,000 Foot candles (400,000 Lux), this device not only ensures compliance with OSHA safety standards but also delivers accurate readings from multiple light sources including fluorescent and incandescent lights. Enhanced features like Min/Max/Average function, Data Hold, and a low battery indicator make it user-friendly and reliable. The LT75-NIST variant comes with a Certificate of traceability to NIST Standards, ensuring precise calibration. Note: a lead-time of 3-5 days is required for NIST calibration.
Triplett LT75-NIST Digital Light Meter Features
- Measures Light Intensity: Measures up to 40k Foot candles (400k Lux), providing users with a broad range for various applications.
- Versatile Light Source Compatibility: Capable of measuring light from fluorescent, metal halide, high?pressure sodium, and incandescent sources, making it adaptable to different environments.
- Cosine Angular Correction: Ensures accurate readings by compensating for the angle of light incidence.
- Zero Adjustment: Allows users to set a baseline for precise measurements.
- Min/Max/Average Function: Recalls highest, lowest, and average readings for comprehensive light analysis.
- Data Hold Function: Freezes the reading on the display, simplifying data capture.
- Low Battery Indicator: Alerts users when battery replacement is needed, ensuring readiness.
- Auto Power Off: Contributes to energy efficiency by turning off the device automatically, with an option to disable this feature.
Triplett LT75-NIST Detailed Specifications
| Measurement Range | 0 to 40k Foot candles (0 to 400k Lux) |
| Sensor Type | Silicon photodiode with spectral response filter |
| Functions | Zero adjust, Min/Max/Average, Data Hold |
| Power Supply | 2 AAA batteries included |
| Warranty | 1-year warranty |
| NIST Certification | Included with traceability |
| Auto Power Off | Yes, with disable option |





