product overview

SPAD-502 Plus is an enhanced version of SPAD-502 chlorophyll measuring instrument, which adds the display function of trend chart. The changes in measurement data are clear at a glance, and abnormal values can be quickly detected. By accurately measuring the relative chlorophyll content of growing crop leaves, we can assist you in effective field control and determine when to apply fertilizer based on the measured chlorophyll SPAD value, ensuring that crops grow vigorously under optimal nutritional conditions and achieve high-quality and high-yield results.

The SPAD-502 chlorophyll meter determines the relative amount of chlorophyll in leaves by measuring the optical concentration difference at two wavelengths (650nm and 940nm).

Product Features

ØSmall in size, sturdy, and easy to carry

ØWaterproof design, measurable in the rain

ØEasy and fast operation, short response time

ØTrend charts display intuitively and numerical changes are clear at a glance

TECHNICAL INDEX

ØMeasurement range:0.0-99.9 SPAD

ØweightRestoration: ± 0.3 SPAD

ØrefinedDegree: ± 1.0 SPAD

ØMeasurement area:2mm×3mm

ØTemperature range: The operating range is0 ~ 50℃； Storage range is -20~55 ℃

ØInductive device: silicon photodiode

ØelectricitySource: 2 1.5V alkaline batteries; More than 20000 measurements

ØTwo wavelengths:650nm、940nm

ØOther functions: alarm function, correction function

ØweightQuantity: 200 grams (excluding battery)

origin: Japan

For detailed information, please contact the sales personnel of Xi'an Saimo Rui Environmental Technology Co., Ltd. The contact information can be found at the bottom of the website.