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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: +8657186062776

    • Address: 11-12/F, Building 3, No.88 Xiangyuan Rd, Gongshu Dist.,Hangzhou,Zhejiang,P .R.C, Hangzhou , Zhejiang , China

    • Email: Email


    Published date: May 30, 2013

    • Business Description: Zhejiang TOP Cloud-agri Technology Co., Ltd. is a national high-tech enterprise which is committed to the development of Agricultural Information.

      By using an innovative way to apply IoT, Cloud Computing and others information technology on agriculture, the company has already set up a modern agricultural information product system and agricultural IoT standard solution on agriculture, weather, product testing, food quality trace-ability and etc.

      And after 15years efforts, TOP Cloud-agri now became a industry leader which integrated with R&D, Manufacture & Sale, Implementation and application.

      Based on the mode of“Enterprises, Universities, Research Institutions,Government and Consumers”, TOP Cloud-agri is focused in agricultural testing Instrument and IoT Information system on seed, soil, weather, plant physiology, plant protection, crop quality, flour and oil, agricultural IoT implementation and application etc.

      Up to now, TOP Cloud-agri has joined National 863 project, State Star Plan Project and others multiple national scientific research projects,and the company was awarded 18 national Invention patents, 40 utility model patents, 7 appearance patents, 140+ product software copyright, 39 software product registration; Meantime, TOP Cloud-agri has been identified as Zhejiang Provincial Academician Workstation, Provincial Enterprise Research Institute.

      TOP Cloud-agri has passed ISO9001: 2015,ISO14001: 200 4 and OHSAS18001: 2007 - now we are speeding up the construction of Three Major Base: 1)National Modern Agricultural Research Base, 2)TOP IoT Industry Base, 3) Intelligent Agricultural Demonstration Base + Two Major Centers: 1) National Agricultural Technology Training Center, 2) Intelligent Agricultural Electronic Commerce Center (IAECC).

      The company is able to provide solution consultation, product configuration, professional procurement, training, after-sale and other "one-stop "services.

      On the road to promoting modern agricultural informationization, TOP Clou-agri will always devote to the working on promoting "wisdom agriculture", "modern agriculture" and make a contributions to the global!

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