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Model 8.0 UVC Lamp Meter, Handheld Digital UV Light Meter Radiometer and Light Bulb Tester for Testing Bulbs, Equipment & UV Blocking Glasses, 0-1999 μW/cm2 UVC, Made in USA

$105

Compare at 11 stores

Model 8.0-RP UVC Lamp Meter, Handheld Digital UV Light Meter Radiometer and Light Bulb Tester for Testing Bulbs, Included with Remote Probe, UV Meter, 0-1999 μW/cm² UVC, Made in USA

$425

Compare at 11 stores

Model 8.0-RP UVC Lamp Meter, Handheld Digital UV Light Meter Radiometer and Light Bulb Tester for Testing Bulbs, Included with Remote Probe, UV Meter, 0-1999 μW/cm² UVC, Made in USA

$425

Compare at 11 stores

Apogee Instruments MQ-500 Full-Spectrum Quantum PAR Meter - Digital PPFD Meter for Indoor Grow Lights, Sunlight & Plant Monitoring

$532

Compare at 9 stores

Apogee Instruments MQ-500 Full-Spectrum Quantum PAR Meter - Digital PPFD Meter for Indoor Grow Lights, Sunlight & Plant Monitoring

$532

Compare at 9 stores

Apogee Instruments MQ-610: 400-750 nm ePAR Quantum Meter Bundle w/AM-330 Telescopic Sensor Wand - Meter for Extended Range LED Greenhouse Grow Lights, Sunlight, and Plant Care

$593

Compare at 7 stores

Apogee Instruments MQ-610: 400-750 nm ePAR Quantum Meter Bundle w/AM-330 Telescopic Sensor Wand - Meter for Extended Range LED Greenhouse Grow Lights, Sunlight, and Plant Care

$593

Compare at 7 stores

Sense Energy Monitor with Solar – Track Electricity Usage and Solar Production in Real Time Meets Rigorous ETL/Intertek Safety Standards

$279

Compare at 7 stores

JD-2600A Lensmeter Lensometer Focimeter Lens Meter 7-inch Screen Touch Screen Focimeter New Digital Auto PD UV Printer PD Meter

$799

Compare at 7 stores

Apogee Instruments MQ-610: 400-750 nm ePAR Quantum Meter - for Extended Range LED Greenhouse Grow Lights, Sunlight, and Plant Care

$568

Compare at 7 stores

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

$29.8

Compare at 6 stores

Quantum PAR Meter,6000umol/(㎡s),DLI Calculator,PPFD Distribution Record,Show PAR for Red,Blue Seperately in Light,Full Spectrum

$59.8

Compare at 5 stores

Quantum PAR Meter,6000umol/(㎡s),DLI Calculator,PPFD Distribution Record,Show PAR for Red,Blue Seperately in Light,Full Spectrum

$59.8

Compare at 5 stores

Universal Single Phase kWh Meter, 2 or 3-Wire, 120V up to 120/240V, 100A, 60Hz

$133.24

Compare at 4 stores

Quantum PAR Meter - Upgraded: High Precision, Grow Light Meter, Indoor Plants Meter, Good for Growing droseras and All Indoor Plants

$159.19

Compare at 3 stores

SpotOn Quantum PAR Meter Bundle. Steel Extension Wand Included. Take readings further away. Easy to read large LCD display. One hand operation. Shows real-time PPFD and DLI under any light source.

$359

Compare at 3 stores

Model 6.2 Sensitive UVB Meter, Digital UV Radiometer, Portable UV Meter for Eyewear UV Block Testing & More, Effective UVB Light Meter, Measures 280-320 nm, from 0-199.9 mW/cm² UVB, Green

$249

Compare at 3 stores

SpotOn Quantum PAR Meter Bundle. Steel Extension Wand Included. Take readings further away. Easy to read large LCD display. One hand operation. Shows real-time PPFD and DLI under any light source.

$359

Compare at 3 stores