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Chlorophyll Meter Spad 502plus - China

price: contact company for price

Name: Chlorophyll Meter

Model: SPAD-502PLUS

Product description:

SPAD-502 PLUS chlorophyll Meter can measure relative content of chlorophyll, non-destructive to leaves. Measured datum will be displayed in trend graph. It can be used to enhance the utilization rate of nitrogen fertilizer.

Technical parameters:

Measuring mode: 2 wavelengths optical density difference

Measuring area: 2 mm× 3 mm

Sensor: Silicon semiconductor photodiode

Display mode: LCD, 4 decimal places, tendency chart

Measuring range: -9.9 to 199.9 SPAD units

Memory capacity: 30datum, automatically calculate and display average value

Power: 2 AA batteries (1.5V)

Battery life: More than 20, 000 times

Test interval: 2s

Accuracy: Within ± 1.0 SPAD units (for SPAD value between 0 and 50 under normal temperature)

Repeatability: Within ± 0.3 SPAD units (for SPAD value between 0 and 50)

Reproducibility: Within ± 0.5 SPAD units (for SPAD value between 0 and 50)

Working environment: 0-50° C

Other functions: Alarm; Calibration

Weight: 0.8KG

Size: 23*19*11CM


Company Contact:


  • Phone: 008613777580902

  • Address: No.11 Xiyuan Eight Road, West Lake Science & Techn, Hangzhou, China

  • Email: Email


Published date: May 30, 2013 -

  • Business Description: Zhejiang Top Instrument Co., Ltd is located in Hangzhou and covers an area of 15000 square meters.

    As an integrated high tech enterprise, it is specialized in the R&D, production and sales of instruments on soil testing, meteorological analysis, seed testing, plants physiological detection, environmental monitoring, grain and oil testing. TOP takes the lead in getting the ISO9001 quality system certification and owns CE certification on the vast majority of products.

    Over the years, TOP has developed hundreds of agricultural instruments and the products have a good market in southeast Asia, Africa, Europe, etc.

    Meanwhile, as a bright agricultural instruments agency and developer in China, TOP also massively deputize and sell overseas advanced instruments.

    Under the leading of general manager Yuyang Chen, TOP has formed its own unique enterprise culture, management concept and a strong R&D team, which has laid a talent reserve base for the future development.

    With many years' accumulation, the company has massive completely independent intellectual property rights of product and technology.

    To meet the development requirements of domestic and foreign trade business, the company is insisting on the principle of "Respecting contract, keeping promise".

    TOP is pursuing the aim of "Quality first reputation top, sincere cooperation and excellent service" to create the first class enterprise.

    And They will centralize enterprise superiority by more advanced products, good quality, cheaper price and more comprehensive service to win your long time favors!

    Welcome domestic and foreign visitors to come to TOP!

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