TSL2591 High Dynamic Digital Light Sensor I2C Interface with Infrared and Full Spectrum Diodes 3.3?5V

$12.99

High Power Luxeon C LED Light Module - 6500K Cool White

$53

Light Meter Digital Illuminance Meter Handheld Ambient Temperature Measurer, Range up to 200,000 Lux, Luxmeter with 4 Digit Color LCD Screen

$8.99

HiLetgo GY-906 MLX90614ESF Non-Contact Infrared Temperature Sensor Module IIC I2C Serial for Arduino

$13.99

Eletechsup 4 bit 7-Seg I2C LED Display IIC Digital Tube Module for Ardunio MEGA2560 (4)

$7.49

Digital Illuminance Light Meter Tester 200,000Lux Meter (18,500FC) Luxmeter Lighting Intensity Brightness Measurement Tool for Indoor Outdoor Grow Plants Film Photography lumens LED Photometer

$119

UNI-T UT383 Light Meter Lux Meter Lumens Digital Illuminance Meter 0~199,900 Lux (0~18,500 FC) Foot Candles Luxmeter for Film Photography Plants Photometer Lighting Intensity Brightness Measurement

$14.98

EC Buying 2PCS 3.3V-5V UV Inspection Sensor Module Detection 200-370nm Light UV Intensity Sensor Detection Ultraviolet Light Board for Arduino

$20.95

Dr.meter LX1330B Digital Illuminance Light Meter, 0-200,000 Measurement Range Lux Meter

$49

Hopoocolor HPCS320 Spectrometer Handheld CCT CRI Lux Spectrum for LED Light Tester

$84.99

Light Meter Digital Illuminance with 360° Removal Pro, Meter Handheld Ambient Temperature Measurer, Range up to 200,000 Lux, Luxmeter Sampling for Laboratory Tunnel Subway Classroom

$39

BTMETER BT-881D Digital Illuminance Light Meter, Measure Lights 0.01~400,000 Lux (0.01~40,000 FC) Foot Candles Luxmeter with 270º Rotated Sensor for Plants LED Lights Indoor Outdoor Light Tester

$624

uxcell Photosensitive Sensor Module Light Intensity Detection with Wire DC 12V 2pcs

$27.89

OPPLE Light Master 4 Light Meter, Digital Light Meter Light Lux Meter Illuminometer Motion Sensor Bluetooth APP LED Lighting Sensor Tester for CCT CRI Flicker DUV Measurement Rechargeable with Type-C

$129.99

Cheffort Digital Lux Meter, Illuminometer, Photometer, 0～200,000 Lux Measure Range, Lux/FC Unit Selection for Homes, Agriculture, Warehouses, Farms, Stage, Stadiums

$624

Visible Spectrophotometer 721 LDC Digital Lab Spectrophotometer 350-1020nm Tungsten Lamp Lab Equipment

$31.99

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

$20.95

Digital Illuminance Meter Light Meter 20Lux to 200,000Lux Meter/18,500FC,Luxmeter for Photography Grow Plants Led Photometer Lighting Intensity Brightness Measurement

$139

HiLetgo 2pcs GUVA-S12SD UV Detect Sensor Ultraviolet Light Sensor Module S12SD Light Sensor Wavelength Detection Range 240nm-370nm 130 Degrees Large Angle Detection

$10.99

LUX

$20.98

Lux Light Meter for Photography Grow Plants Led Photometer Lighting Intensity Brightness Measurement Pocket Digital Photo Illuminance Sensor

$27.5

Spectrophotometer 4 LDC 721 Digital Lab Visible Wavelength Range 350-1020nm Wave Tungsten Lamp Equipment 110V Photometer USA Stock

$479

AmScope LED-144W-ZK White Adjustable 144 LED Ring Light Illuminator for Stereo Microscope & Camera

$14.89

AMTAST UVC Light Meter, 1uW/cm²～39.99mW/cm², UV Radiation Intensity Measuring

$144.19

Mean Well APC-16-350 | 16W 350mA CC LED Driver

$33.12

DORHEA 10PCS INA219 I2C Interface Bi-Directional DC Current/Power Monitoring Sensor Module DIY 3V-5V IIC I2C Current Power Supply Sensor SOT23 Breakout Module

$7.99

AMTAST UV340B UV Light Meter UVA & UVB Light Measure Tester, 290~390nm

$39

BTMETER BT-881E Digital Illuminance/Light Meter, Measure Lights 0.01~300,000 Lux (0.01~30,000 FC) Foot Candles, Par Meter Luxmeter for Plants Aquarium Light Tester

$14.98

uxcell Photosensitive Sensor Module Digital Light Intensity Detection 4pins DC 3.3-5V for UNO

$10.32

LEDGUHON IR LED 10Pcs 3W 850nm High Power LED Chip Infrared Emitting Illuminator for Night Vision (700mA/1.4-1.6V/42mil chip)

$5.89

EC Buying INA219 I2C Bi-Directional 2pcs DC Current Power Supply Sensor High Precision Module for Zero Drift/Bidirectional Current/Power Monitoring

$8.88

Intellitronix Red LED Digital Transmission Temperature Gauge

$73.81

PHOTOBIO LGBQM2 Advanced Quantum Sensor PAR Meter (Micromoles), Measure Light Intensity

$84.99

Advanced Quantum PAR Meter ppfd Meter for led Grow Lights 400-700nm Spectrum Range, Par Light Lux Meter with 100 Groups Datalog for Indoor & Outdoor Plants Growing Light Intensity Measurement

$41.99

LATNEX Light Meter LM-50KL Measures Lux/Fc - LED/Fluorescent, Industrial, Household, and Photography - Calibration Certificate Included

$19.95

Lolicucte Visible Spectrometer Spectrophotometer Portable Visible Optical Spectrometer Spectrophotometer 50-1020nm Tungsten Lamp Lab Equipment Shipping from US

$199

EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy - for Studying Light Sources, Measuring Wavelengths & Color Spectra

$8.89

Astro Kos Round 140 LED Dimmable Outdoor Downlight (Textured White) - Wet Rated - AC LED Module, Designed in Britain - 1326029-3 Years Guarantee

$169.99

CMVision IR130-830NM - 198 LED Indoor/Outdoor Long Range 150 feet IR Illuminator with Free 3A 12VDC Power Adaptor (Special for photobiomodulation, Light Therapy Application)

$13.49

Vision Scientific VMLIHL-20 6 Watt LED Double Gooseneck Illuminator | Heavy Base for Stability | Color Temperature Unchanged When Adjusting Intensity

$7.99

Hopoocolor OHSP350UV Irradiance Spectrometer UV Tester 230-850nm

$209.99

NEEWER Upgraded 660 PRO II RGB LED Video Light with App Control&Stand Kit, 2 Pack Constant 50W No Color Shift/1% Precise Min Dimming/360° RGB/CRI97+/3200K~5600K for Game Streaming YouTube Photography

$129.99

Hach 9385100 DR 900 Multiparameter Handheld Colorimeter

$69.95

Fluke 324 True-RMS Clamp Meter with Temperature & Capacitance, Measure AC Current Up To 400 A and AC/DC Voltage Up to 600 V, Includes Backlit Display, Measure Resistance Up To 4000 Ohms

$59.99

Vision Scientific VMLIFR-09W White Adjustable 144 LED Ring Light Illuminator for Stereo Microscope

$217.99

Adafruit TSL2591 High Dynamic Range Digital Light Sensor - Stemma QT

$603

CMVision IR130-198 LED Indoor/Outdoor Long Range 300-400ft IR Illuminator with Free 3A 12VDC Adaptor

$49.99

TORCHSTAR New Generation 12-Pack 6 Inch 5CCT Ultra-Thin LED Recessed Lighting, 2700K/3000K/3500K/4000K/5000K Selectable, CRI 90+, Dimmable Slim LED Downlight, ETL & UL Listed

$119.99

3PCS INA3221 Triple-Channel Shunt Current Voltage Monitor Sensor Power Monitoring Control Module Low Side/High Side I2C Output Replace INA219 for Arduino

$12.99

Digital Brix Refractometer, ACEGMET Automatic Temperature Compensation Brix Refractometer Range 0-53%, ±2 PSU Accuracy, 1 PSU Resolution Brix Meter

$45.99

VBR-300 Light Meter,CCT Meter,Color Temperature,Test LUX Distribution,Foot Candle Meter

$68

Amprobe LM-200 LED Light Meter

$28.49

Hanna Instruments Checker Copper High Range Colorimeter

$660

CMVision IR130-940 CMVision 940nm Invisible Wide Angle 198pc High Power Small LED IR Illuminator with Free Power Adapter

$45.98

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

$84.97

Datacolor Spyder4Pro S4P100 Colorimeter for Display Calibration

$660

CMVision IR110-114 LED Indoor/Outdoor Long Range 200-300ft IR Illuminator with Free 2A 12VDC Adaptor

$51.95

LED-144-ZK Black Adjustable 144 LED Ring Light Illuminator for Stereo Microscope (144 LED Ring Light)

$63.99

BGX-35N Photoelectric Sensor,Diffuse Reflective Spot Size 2MM Sensor,LED Display Light Detection Distance 400MM

$5.99

PT-DW6300US DLP Proj Wxga 16:10 2000:1 6000 Lumens RGB 35.3LBS

$401.16