Looking at waveforms of various lightbulbs. No real reasoning to the selection. A bunch of lightbulbs that were laying around. Also testing out a few pieces of video capture software, not great success, audio suffered significant quality loss.
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https://www.youtube.com/channel/UCNt-VKnOf-6-vVYqdiI_K8g?sub_confirmation=1The process involves measuring the power consumption, current consumption, and power factor of each of the bulbs. The current waveform is also observed to see how close to a sine wave each bulb is.
Time Stamps:
00:00 Introduction
00:26 Test Setup
02:20 Bulb 1 - Osram 8.5W LED 800 Lumen
03:06 Bulb 2 - IKEA 3 Watt desk lamp
03:53 Bulb 3 - Utilitech from Video #1
04:58 Bulb 4 - GE Relax LED 800 Lumen
05:37 Bulb 5 - GE 40 W Incandescent Bulb
06:18 Bulb 6 - GE Helical 12W Compact Florescent
08:03 Bulb 7 - Sylvania LED12A19 12W 810 Lumen
08:37 Showing each of the bulbs
10:59 Conclusion
Equipment:
Video Camera: Sony HDR-CX405
Still Camera: Cannon PowerShot SX410 lS
Lights: Two VILTROX VL-200T
Microphone: RØDE NT1-A
Audio Isolation: sE RF-X shield
Audio Capture: Focusrite Scarlett 6i6
Power Analyzer: HOPI HP-9800
Variac: TDGC-0.5KM
Isolation Transformer: Viz WP-31A
Scope: Link Instruments MSO
Computer: Old AMD System
Current Probe: Hantek CC-65
Voltage Probe: Generic Differential Voltage Probe
Website: www.allthingsoneplace.com