Best Lab Photometers & Light Meters Under $100 (2026)
We scored products by measurement capability, spectral coverage, sensor quality, build and display usability, and overall value within the under-(price varies) price constraint
The Verdict
- Best Overall: VABIRA VBR-100 Quantum PAR Meter — Best for plant PPFD: compact quantum PAR meter ideal for measuring PAR/PPFD in grow environments
Top Picks
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1
Best Overall VABIRA VBR-100 Quantum PAR Meter
Best for plant PPFD: compact quantum PAR meter ideal for measuring PAR/PPFD in grow environments
Par meter measuring PPFD and PAR across light spectra with separate red/blue readings. Includes DLI calculation and PPFD mapping for uniformity; app-based data access and Bluetooth connection. Customers note easy setup, accurate readings, and helpful mapping features
- separate red/blue PPFD display
- grid-based PPFD data recording
- DLI and PAR uniformity analysis
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2
AH-Quantuv PAR Meter for PAR/UVA irradiance
Best for UVA/par combo: handheld unit that measures PAR and UVA irradiance for grow-light diagnostics
Measures PAR (400-750nm) and UVA (320-400nm) irradiance with separate R/G/B PAR readouts. Includes a sensor IC from a noted Japan semiconductor company. Customers find it accurate, easy to use, and good value for money
- PAR and UVA irradiation measurement
- separate blue/green/red PAR readouts
- sensor from reputable Japanese supplier
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3
Digital Tint Meter TM-26 for car side windows
Best for automotive VLT checks: tint meter focused on side-window VLT and UV rejection testing
Digital Tint Meter TM-26 tests side car window films for VLT and UVR. Accurate readings with self-calibration feature reported by users
- side-window tint testing
- VLT and UVR data
- portable with case
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4
Klein Tools ET130 Digital Light Meter
Best for general lighting: portable lux/foot-candle meter suited to electrical and lighting inspections
A user-friendly light meter that measures light in FC and Lux with auto and manual ranges. Clear backlit display with a 40-segment bar graph. Customer feedback notes ease of use but mixed functionality
- dual-unit measurement (FC and Lux)
- auto/manual range flexibility
- clear backlit display with bar graph
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5
Labs Tint Meter for side windows with UV/IR/Transmittance testing
Best for comprehensive window testing: measures UV, IR and visible transmittance for automotive and lab use
3-in-1 solar film meter tests UV, IR, and light transmittance for automotive window tint. Enables data lock after measurement. Noted for quality and functionality by users, with UV protection feature highlighted
- 3-in-1 UV/IR/light transmittance
- 8mm thick sample support
- data lock after measurement
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6
Digital Car Window Tint Meter TM-28
Best for precise tint verification: digital car tint meter designed for UV and IR rejection and VLT assessment
Digital car window tint meter that measures light transmittance, UV rejection, and IR rejection with rotatable display for easy reading. Useful for verifying legal compliance and quality in automotive tinting. customer insight notes mixed signals with no explicit sentiment
- measures transmittance, UV and IR rejection
- rotatable display for reading results
- professional-grade tint testing tool