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Beijing Keyu Xingye Technology Development Co., Ltd
Chlorophyll content analyzer SPAD-502/SPAD-502 Konica Minolta chlorophyll analyzer
NegotiableUpdate on 09/19
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Overview
SPAD-502 Chlorophyll Content Analyzer Usage: The SPAD-502 Chlorophyll Content Analyzer can measure the relative chlorophyll content or "greenness" of plants in real time, thereby understanding the true nitrate demand of plants and helping you understand the degree of soil nitrate deficiency or whether excessive nitrogen fertilizer has been applied. You can use this instrument to increase the utilization rate of nitrogen fertilizer and protect the environment (prevent excessive nitrogen fertilizer from contaminating the environment, especially water sources).
Product Details
Chlorophyll content analyzer SPAD-502Principle:
SPAD-502 Chlorophyll AnalyzerDetermine the relative amount of chlorophyll in the leaf by measuring the transmittance coefficient of the leaf in two wavelength ranges.
Chlorophyll content analyzer SPAD-502Technical specifications:
Measurement object: plant leaves
Measurement Method 2: Wavelength Optical Concentration Difference Method
Measuring area 2mm × 3mm
Sensor silicon semiconductor photodiode
Display method measurement value: 3-digit LCD display
Measurement times: 2-digit LCD display
Measurement range 0.0 to 99.9 SPAD
Memory capacity of 30 data points, automatically calculate and display the average value
Power supply: 2 AA batteries (1.5V)
Battery life measured over 20000 times
Measurement interval of less than 2 seconds
Accuracy within ± 1.0 SPAD units (SPAD values range from 0-50 at room temperature)
Repeatability within ± 0.3 SPAD units (SPAD values between 0-50)
Reproducibility within ± 0.5 SPAD units (SPAD values between 0-50)
Volume (length x width x height) 164 x 78 x 49mm
Weight 225 grams (excluding battery)
Operating environment from 0 to 50 ℃
Storage environment -20 to 55 ℃
Other alarm functions; Calibration function
Standard configuration host, calibration card, host protective cover, battery
Measurement object: plant leaves
Measurement Method 2: Wavelength Optical Concentration Difference Method
Measuring area 2mm × 3mm
Sensor silicon semiconductor photodiode
Display method measurement value: 3-digit LCD display
Measurement times: 2-digit LCD display
Measurement range 0.0 to 99.9 SPAD
Memory capacity of 30 data points, automatically calculate and display the average value
Power supply: 2 AA batteries (1.5V)
Battery life measured over 20000 times
Measurement interval of less than 2 seconds
Accuracy within ± 1.0 SPAD units (SPAD values range from 0-50 at room temperature)
Repeatability within ± 0.3 SPAD units (SPAD values between 0-50)
Reproducibility within ± 0.5 SPAD units (SPAD values between 0-50)
Volume (length x width x height) 164 x 78 x 49mm
Weight 225 grams (excluding battery)
Operating environment from 0 to 50 ℃
Storage environment -20 to 55 ℃
Other alarm functions; Calibration function
Standard configuration host, calibration card, host protective cover, battery
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