WINTACT WT81 Digital Light Meter — 0–200,000 Lux

Digital light meter for illuminance and ambient-temperature measurement with onboard record storage.

Key Specifications

• Model: WT81
• Illuminance range: 0–200,000 lux
• Illuminance accuracy: ±3% below 10,000 lux; ±4% above 10,000 lux
• Temperature range: 14.18°F to 121.82°F (−9.9°C to 49.9°C)
• Temperature accuracy: ±1°C
• Units: Lux, foot-candles, °F and °C
• Data storage: Up to 67 records
• Power: 3 × AAA batteries
• Battery life: Approx. 200 hours without backlight

Key Features

• MAX, MIN and difference-value measurements
• Data hold and stored-record recall
• High/low illuminance alerts
• Backlit LCD, low-battery indicator and auto power off
• Protected top-mounted light sensor and tripod socket

Ideal For

• Indoor plants and LED grow lights
• Offices, schools, warehouses and hospitals
• Laboratories, photography spaces and industrial lighting checks

Package Contents

• WT81 digital light meter
• 3 × AAA batteries
• Sensor cover

Important Notes

• Remove the sensor cover before measuring and replace it for storage.
• Keep the sensor level and unobstructed for consistent readings.