欢迎您访问~北京剑灵科技有限公司官网
语言选择: 中文版 ∷  English

服务热线: 4009966754 010-82654320,分机号:8003(销售)8004(技术)

DLI 100 light viewer

发布时间:2024-05-17


image.png 

Purpose: Measure and display the intensity of light quanta falling on plants (PAR) The button design is portable, fast, and can calculate the Daily LightIntegral value of daylight quanta.

Application: Used in agriculture, forestry, meteorology, plant physiology, greenhouse, ecology and other research and production departments of light intensity measurement, can also be used for different heights of light quantum measurement

.image.png

Technical parameter:

key

A start button to control the operation of the instrument

Display interval

4s

Measuring band

400~700nm

Display unit

µmol/m2/s1或Foot~Candles(1FC=10.76LUX)

Observed parameter

Daily cumulative light, can be integrated to calculate 24 hours of daily light

Power supply

1 3V CR2032 battery

Electric quantity

About 60 daily cumulative light quantity (DLI) calculations can be recorded

 

Numerical reference for the response of most plants to different light levels:

Relative light level

Cumulative daily light quantity(DLI)

Midday intensity(µmol/m2/s1)

Effect on plants

Very low

2~5

100~200(500~1000FC)

Very bad

low

5~10

200~400(1000~2000FC)

The lowest level that can be tolerated

intermediate

10~20

400~800(2000~4000FC)

good

high

20~30

800~1200(4000~6000FC)

As good as gold

Very high (outdoor)

30~60

1200~2000(6000~10000FC)

As good as gold