PAR, PPF, PPFD, and PFD Explained
Apogee Instruments Inc.
•
February 21, 2020
Apogee Instruments Inc.
View ChannelAbout
No channel description available.
Latest Posts
Optimize Your Light Measurement
AI-recommended products based on this video
Loading...
Best Seller
Dog Bark Deterrent Devices for Own or Neighbor's Dog Ultrasonic Dog Training Device Safe & Effective Portable Anti Barking Device for Dogs Indoor Outdoor Use Orange
(3,041)
$29.99
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
40K+ bought in past month
Loading...
![Ailun 3 Pack Screen Protector for iPhone 16 Pro [6.3 inch] with Installation Frame, Tempered Glass, Sensor Protection, Dynamic Island Compatible, Case Friendly](https://m.media-amazon.com/images/I/71ZBAVwP+KL._AC_UL960_FMwebp_QL65_.jpg)
Ailun 3 Pack Screen Protector for iPhone 16 Pro [6.3 inch] with Installation Frame, Tempered Glass, Sensor Protection, Dynamic Island Compatible, Case Friendly
(1,058,722)
$6.98
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
Ailun 3 Pack Screen Protector for iPhone 16 Pro [6.3 inch] with Installation Frame, Tempered Glass, Sensor Protection, Dynamic Island Compatible, Case Friendly
(1,058,722)
$6.98
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
Best Seller
Dog Bark Deterrent Devices for Own or Neighbor's Dog Ultrasonic Dog Training Device Safe & Effective Portable Anti Barking Device for Dogs Indoor Outdoor Use Orange
(3,041)
$29.99
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
40K+ bought in past month
Loading...
Best Seller
The Let Them Theory: A Life-Changing Tool That Millions of People Can’t Stop Talking About
(17,722)
$0.00
Available instantly
Loading...
for Magsafe Battery Pack, 10000mAh Magnetic Portable Charger with USB C Cable 20W PD Fast Charging, Slim & Lightweight Wireless Power Bank for iPhone 16/15/14/13/12 Series
(1,148)
$22.99
PrimeFREE delivery Sun, Jun 8 on $35 of items shipped by Amazon
9K+ bought in past month
Loading...
![iPhone Charger Fast Charging 2 Pack Type C Wall Charger Block with 2 Pack [6FT&10FT] Long USB C to Lightning Cable for iPhone 14/13/12/12 Pro Max/11/Xs Max/XR/X,AirPods Pro](https://m.media-amazon.com/images/I/61D9UFpTAEL._AC_UL960_FMwebp_QL65_.jpg)
Best Seller
iPhone Charger Fast Charging 2 Pack Type C Wall Charger Block with 2 Pack [6FT&10FT] Long USB C to Lightning Cable for iPhone 14/13/12/12 Pro Max/11/Xs Max/XR/X,AirPods Pro
(30,549)
$7.99
PrimeFREE delivery Sun, Jun 8 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
LISEN USB-C to Magnetic 3 Cable (6.6FT) for M4 MacBook Air Pro Charger, 140W Magnetic Safe 3 Cable for MacBook Air (15''/13'' M4 2025, M3 2024, M2 2023, M2 2022), Pro (16"/14" 2024/2023/2021)
(770)
$21.99
PrimeFREE delivery Mon, Jun 2 on $35 of items shipped by Amazon
2K+ bought in past month
Loading...
Ailun 3 Pack Screen Protector for iPhone 16 Pro [6.3 inch] with Installation Frame, Tempered Glass, Sensor Protection, Dynamic Island Compatible, Case Friendly
(1,058,722)
$6.98
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
Best Seller
Dog Bark Deterrent Devices for Own or Neighbor's Dog Ultrasonic Dog Training Device Safe & Effective Portable Anti Barking Device for Dogs Indoor Outdoor Use Orange
(3,041)
$29.99
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
40K+ bought in past month
Loading...
Ailun 3 Pack Screen Protector for iPhone 16 Pro [6.3 inch] with Installation Frame, Tempered Glass, Sensor Protection, Dynamic Island Compatible, Case Friendly
(1,058,722)
$6.98
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
Best Seller
Dog Bark Deterrent Devices for Own or Neighbor's Dog Ultrasonic Dog Training Device Safe & Effective Portable Anti Barking Device for Dogs Indoor Outdoor Use Orange
(3,041)
$29.99
PrimeFREE delivery Mon, Jun 9 on $35 of items shipped by Amazon
40K+ bought in past month