Digital Flame Photo Meter

Portable Dissolved Oxygen (D.O.) Meter | High-Accuracy Measurement for Aquatic & Environmental Analysis | LCD Display | Compact Design | Field-Ready Instrument | Reliable Performance

Fully Automatic Microprocessor Photo Colorimeter., 400-700 nm

Care Vision Manual Lensometer | Accurate Lens Power Measurement | Cross-Line Reticle | White

Illuminated Scale Magnifying Glass with MeasuringScale and Light for Engineers Scientists by mLabs

WISKA Digital Lux Meter for Light - 4 Digit Color LCD Screen Photometer - 0.1~200000 Lux Range - Ideal for Plants, Car Headlights, Office & Home LEDs - Versatile Lux Meter for Photography

*Ships With in 1-Day* Digital Lux Meter (Range: 0 to 4,00,000 Lux) for Auditoriums, Theatres, Stadiums, Labs Along with Factory Calibration Certificate Model: LX-1108

SHINING SUN VISION Auto Lense Meter SV LM 900 colour and touchscreen led green light with uv printer

Quantum PAR Meter Full-Spectrum High Precision PPFD Tester for Photosynthetic Activity of Indoor and Outdoor Plants 400-700nm Light Lux Tester

Digital Solar Power Meter (Pyranometer) - Handheld Sun Light Radiation Measuring Testing Instrument, Solar Radiation Energy Insolation Tester