Specifications
Measuring Instruments
SPAD-502
Chlorophyll Meter (for chlorophyll measurement)
Capable of investigating the health of plants
Capable of investigating the health of plants, this chlorophyll meter performs immediate on-site measurements without the need for taking samples; furthermore, its splash-proof design facilitates measurement even in the rain.
Specifications
Principal Specifications SPAD-502
| Measurement method | Optical density difference at two wavelengths |
|---|---|
| Light source | 2 LED's |
| Receptor | Silicon photodiode |
| Measurement area | 2 × 3 mm |
| Maximum sample thickness | 1.2 mm |
| Display | LCD |
| Display range | -9.9~199 SPAD |
| Repeatability | Within ±0.3 SPAD (at 0.0 to 50.0 SPAD) |
| Data Memory | 30 data |
| Power supply | Two AA-size batteries |
| Battery life | Approx. 20,000 measurements with alkaline-manganese batteries |
| Operating range | Temperature: 0 - 50°C; Humidity: 85% or less (at 35°C) without condensation |
| Storage temperature/humidity range | -20 - 55°C; relative humidity 85% or less (at 35°C) with no condensation |
| Dimensions | 164 × 78 × 49 mm (6-7/16 × 3-1/16 × 1-15/16 in.) |
| Weight | 225 g (without batteries) |
Specifications are subject to change without prior notice.
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