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Spad 502 Plus Chlorophyll Meter

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Spad 502 Plus Chlorophyll Meter

CATEGORY AND TAGS:
Plant Physiology Instrument

Portable Chlorophyll Meter

Model: SPAD-502PLUS

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  • Specifications

Product description

Spad 502 Plus Chlorophyll Meter can quickly measure chlorophyll content or “greenness” of different plants to reduce the risk of yield-limiting deficiencies or costly overfertilizing. This Chlorophyll Meter quantifies small changes or trends in plant health long before being visible to the human eye. Non-invasive measurement.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: 255G

Size: 164*78*49CM

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