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Measurement Sample: Plant leaves
Measurement Principle: Optical density difference at two wavelengths
Measurement Area: 2mm x 3mm
Maximum Sample Thickness: 1.2mm
Insertion Depth: 12mm maximum; depth stop adjustable to depths between 0 and 6mm
Light Source: 2 LEDs (light-emitting diodes)
Receptor: 1 SPD (silicon photodiode)
Display: LCD panel showing 4-digit measurement value (-9.9 to 199.9) and 2-digit data number
Data Memory: Space for 30 data
Measurements: Automatically taken when measuring head is closed.
Power Source: 2 AA-size 1.5V alkaline-manganese
Battery Life: More than 20,000 measurements per set of 2 alkaline-manganese batteries
Minimum Interval Between Measurements: Less than 2 seconds
Accuracy: Within ± 1 SPAD* unit (at room temperature, SPAD* value between 0 and 50.0); SPAD* values of greater than 50.0 may be less accurate and will cause "*" to appear.
Repeatability: Within ± 0.3 SPAD* units (SPAD* value between 0 and 50.0)
Reproducibility: Within ± 0.5 SPAD* units (SPAD* value between 0 and 50.0)
Temperature Drift: Less than ± 0.04 SPAD* units/°C
Operating Condition: 0 to 50°C (32 to 122°F); relative humidity less than 85% at 35°C with no condensation
Storage Condition: -20 to 55°C (-4 to 131°F); relative humidity less than 85% at 35°C with no condensation
Other: Buzzer (single beep for measurement complete, series of beeps for error); function for inputting compensation value
Dimensions (L x W x D): 164 x 78 x 49mm
Weight: 200g (without batteries)
Standard Accessories: Sliding depth stop; carrying strap; soft case; 2 AA-size batteries; reading checker
*SPAD values are defined by Konica Minolta to indicate the relative amount of chlorophyll present in plant leaves. Specifications subject to change without notice
Quick Start Guide
Manual
Catalog
The SPAD Plus Chlorophyll Meter with Data Logger instantly measures chlorophyll content or "greenness" of your plants to reduce the risk of yield limiting deficiencies or costly overfertilizing. Clamp the meter over leafy tissue and receive an indexed chlorophyll content reading in less than 2 seconds. Includes hard carrying case and batteries.
