BTMETER Light Lux Meter Logger BT-5000A, Digital Lumen Tester Measure Lighting Level Intensity 0.1~400,000 Lux(0.1~40,000 FC) Foot Candle Luxometer with Data Logging for Plant Grow Aquarium

✅【High Precision】Featured with 3999 counts display, BTMETER digital luxmeter 5000A can test light Illuminance up to 400,000 Lux with 0.1 LUX/FC high resolution. Measure accuracy: +/- 4% of readings for ≤ 10000 Lux; +/- 5% of readings +/- 1.5% f.s for ≥ 10,000Lux and +/- 8% of readings +2.0%f.s for ≥200,000 Lux measure range. light measuring units lux and footcandles FC switchable. ✅【3 Measure Modes】This ft candle light meter supports maximum, minimum, and real-time value measurement modes switchable, helping you to find the proper light level for indoor LED plant growing light , greenhouse farming, photography, reef tank and aquarium decoration easily. ✅【Light Meter Recorder】Not only available to monitor light lux level, but also support light data logging up to 30 groups and allowing for easy review. One-button to freeze lighting measurement data. Useful light measurement tool in balancing optimal light levels for interior design, including art galleries, museum, schools and offices