www.黄色毛片 I 午夜剧场一级片 I 色婷婷中文 I 五级黄色片 I 日本精品一区二区在线观看 I 国产福利三区 I 午夜黄视频 I av无码av高潮av喷吹免费 I 98超碰在线 I 亚洲夜夜爱 I 嘿咻视频在线观看 I 天天爽夜夜爽视频精品 I 久久久久1 I 欧美一级片网址 I 色老二导航 I 久久久一区二区精品 I 你懂的91 I 亚洲乱码中文论理电影 I 国产黄色免费片 I 亚洲国产精品久久久久秋霞影院 I 99中文字幕 I 中文字幕四区 I 在线三级av I 青青草手机视频 I www.亚洲视频.com I 欧美日韩国产成人高清视频 I 国产精品爱久久久久久久电影 I 免费嗨片首页中文字幕 I 天天色综合4 I 日韩中文字幕免费在线观看 I 久久国产精品网站 I 在线免费观看福利影院 I 成人丁香在线 I 米奇777影视狠狠狠 I 色噜噜狠狠色综合欧洲selulu

Products

current position:home page>Products>Measuring Instrument>Spectrum>

LightScout Quantum Meters

Updated:2025-03-13

Brand: Spectrum
Model: LightScout 3415F 3415FSE 3415FXSE 3415SQF
Description: Measure the light used for plant growth. PAR is a more valuable measurement than foot-candles as it measures only the light used by plants for photosynthesis.
Data download

Feedback
WeChat

QQ

Online Service

Product Details

LightScout Quantum Meters Description：

Product Manual

Measure the light used for plant growth. PAR is a more valuable measurement than foot-candles as it measures only the light used by plants for photosynthesis.

The light that drives photosynthesis in plants is Photosynthetically Active Radiation, or PAR light. This is also referred to as Quantum light, because it is measured in units of moles striking an area over time. Though PAR light ranges from 400 to 700nm, the region brightest to human eyes is the area of least effect on plants. Measuring quantum light can tell you if your plants are getting a sufficient amount of usable light.

Measures photosynthetically active radiation (PAR) from 400 to 700 nm

Range of 0 to 2,000 μmol·m-2·s-1

Available in a variety of configurations for your convenience

Specifications

3415F
Accuracy	The Field Scout Light Meters are accurate to ±5%. Cosine correction is accurate to ±3% at 45°, and ±7% at 80°. Quantum Light Meters are calibrated to display PPFD. The meters display PPFD in the range 0-1999 μmol m-2 s-1.
3415FSE and 3415FXSE
Accuracy	The Field Scout Light Meters are accurate to ±5%. Cosine correction is accurate to ±3% at 45°, and ±7% at 80°.
3415SQF
Accuracy	The Field Scout Light Meters are accurate to ±5%. Cosine correction is accurate to ±3% at 45°, and ±7% at 80°. The 3415SQF Quantum and Foot-Candle Meter measures both PAR light, and light intensity as perceived by the human eye. The eye perceives light of approximately 560 nm most strongly, with perception half that at 500 and 600 nm. The meters display values in the range 0-1999. This must be multiplied by 10 to obtain Foot-Candles, so the meter range is 0-19990 Foot-Candles. Since 1 Foot-Candle is equivalent to approximately 10.8 lux, multiplying the meter reading by 108.