UT383 Mini Light Meters

The UT383 Mini Light Meters are compact and highly accurate illumination measurement tools designed for photographers, lighting engineers, HVAC technicians, laboratory workers, and environmental inspectors who require reliable lux readings in both indoor and outdoor environments. Engineered for portability and precision, the UT383 series offers fast response time, stable measurement performance, and consistent accuracy—making it ideal for evaluating lighting conditions in studios, classrooms, offices, warehouses, laboratories, and outdoor field inspections.

Using a high-sensitivity silicon photodiode sensor, the UT383 Mini Light Meters can detect even subtle changes in ambient light, providing trustworthy lux and foot-candle measurements for lighting design, workplace safety assessments, energy audits, and equipment calibration. The user-friendly interface, lightweight structure, and backlit display make these meters perfect for professionals and beginners alike who need reliable illumination data on the go.

The UT383 series includes essential functions such as MAX/MIN recording, data hold, automatic power-off, and battery status indication—ensuring efficient and convenient operation. Whether you are testing LED lighting installations, verifying compliance with lighting standards, evaluating brightness levels for photography, or conducting indoor air and environmental assessments, these mini light meters deliver stable and accurate performance every time.

Key Features

• Accurate lux and light intensity measurement

• High-sensitivity silicon photodiode sensor

• Fast sampling time with stable readings

• Backlit LCD display for easy reading in low-light environments

• Data hold function for freezing measurement results

• MAX/MIN recording for professional light analysis

• Lightweight, compact, and portable

• Ideal for photography, workplace inspections, energy audits, and environmental testing

Technical Datasheet

Measurement Range

• 0 – 199,900 Lux

• Foot-candles (depending on model version)

Accuracy

• ±(3% + 8 digits) depending on range and lighting conditions

Sensor Type

• Silicon photodiode

• Fast sampling and stable response

Display

• Large backlit LCD

• MAX/MIN indication

• Data hold function

Power

• 3 × AAA batteries

• Auto power-off feature

• Low-battery indicator

Environmental Conditions

• Operating temperature: 0°C to 40°C

• Storage temperature: -20°C to 60°C

• Humidity: < 80% RH

Physical Design

• Lightweight ABS housing

• Handheld design for field convenience