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Konica Minolta Spad 502 Plus Chlorophyl Meter
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SPAD-502 Reading Checker
Hand Strap (for Spad-502 and 502Plus)
Soft Case (for Spad-502 and Spad-502Plus)
Specifications:
| Application | Agriculture | Warranty | 1 Year |
| Storage Temperature | Room Temperature | ||
| Product Type | Laboratory Equipment | ||
| Product Brand | Konica Minolta | ||
| Product Grade | Analytical grade | ||
Non-destructive measurement of plant chlorophyll
The SPAD-502Plus enables quick, easy measurement of the chlorophyll content of plant leaves without damaging the leaf. Chlorophyll content is one indicator of plant health and can be used to optimise the timing and quantity of applying additional fertilizer to provide larger crop yields of higher quality with lower environmental load.
Monitoring of growth and health of plants
The SPAD-502Plus can be used to monitor the growth and health status of a wide variety of agricultural products, including wheat, rice, corn, cotton, etc.
Nitrogen fertilization optimization
The SPAD-502Plus can be used for determining when and how much nitrogen fertilizer should be provided to plants. Optimizing fertilization in this way leads to not only greater yields of higher quality, but also results in less over-fertilization, reducing environmental contamination due to the leaching of excess fertilizer into the soil and underground water.
features
features
- Simple non-destructive measurements: measurements are taken simply by briefly closing the leaf inside the sensor. If necessary the same leaf can be used each time the measurement is made.
- Monitor the nutritional health of crops: SPAD values are proportional to the amount of nitrogen in the leaf so by using regular SPAD readings and trend data, feeding can be optimised.
- Small measuring area: the sensor of the SPAD-502Plus is only 2x3mm, suitable for even small or narrow leaves.
- Water-resistant (IPX-4): can safely be used outside in wet and rainy conditions (should not be immersed in water).
Specifications
| Type | Chlorophyll Meter SPAD-502Plus | |
| Measurement subject | Crop leaves | |
| Measurement method | Optical density difference at 2 wavelengths | |
| Measurement area | 2 mm × 3 mm | |
| Subject thickness | 1.2 mm maximum | |
| Subject insertion depth | 12 mm (with stopper having position adjustable from 0 to 6 mm) | |
| Light source | 2 LED elements | |
| Receptor | 1 SPD (silicon photodiode) | |
| Display | LCD panel showing 4-digit measurement value (values shown to first decimal place) and 2-digit number of measurements; Trend graph of values in memory can also be shown. | |
| Display range | -9.9 to 199.9 SPAD units | |
| Memory function | Memory capacity for up to 30 values; Calculation/display of average of data in memory also possible | |
| Power source | 2 AA-size alkaline batteries | |
| Battery life | More than 20,000 measurements (when using new alkaline batteries under Konica Minolta test conditions) | |
| Minimum interval between measurements | Approx. 2 seconds | |
| Accuracy | Within ±1.0 SPAD units (for SPAD value between 0.0 and 50.0 under normal temperature/humidity) “*” added to display when measurement exceeds 50.0 SPAD units | |
| Repeatability | Within ±0.3 SPAD units | For SPAD value between 0.0 and 50.0 (with no change in sample position) |
| Reproducibility | Within ±0.5 SPAD units | |
| Temperature drift | Within ±0.04 SPAD units/°C | |
| Operating temperature/humidity range | 0 to 50°C; Relative humidity of 85% or less (at 35°C) with no condensation | |
| Storage temperature/humidity range | -20 to 55°C; Relative humidity of 85% or less (at 35°C) with no condensation | |
| Size; Weight | 78（W）×164（H）×49（D）mm、200g（excluding batteries | |
| Other | Warning buzzer; User compensation factor | |
| Standard accessories | Depth stop; Strap; 2 AA-size alkaline batteries; Soft case; Reading checker |
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Richard Atule - bought Konica Minolta Spad 502 Plus Chlorophyl Meter
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