| Model | 8584 |
| Spectral Range | 400±10nm~700±10nm |
| Measurement Range | 0~5000 μmol/m2/sec |
| Display Resolution | 0.01 μmol/m2/sec for 0~99.99 , 0.1 μmol/m2/sec for 100~999 the rest is 1 |
| Accuracy | ±5 or ± 5% of reading, whichever is greater |
| Repeatability & Non-linearity | ±1 μmol/m2/sec Less than 3% (up to 4000 μmol/m2/sec) |
| LCD update time | 1 second |
| Field of View | 180° |
| Directional (Cosine) Response | ± 5 % at 75° zenith angle |
| Calibration Uncertainty | ±5% |
| Temperature Response | ±0.02% per℃ |
| ZERO Function | YES |
| RESET Function | YES |
| LCD Size | 27(H)x48(W)mm |
| Operating Temp. | 0~50℃ |
| Operating RH% | Humidity < 80% |
| Storage Temperature | -10~50℃ |
| Storage RH% | Humidity <90%, no condensation |
| Dimension | Meter: 150(L)x65(W)x24(H)mm |
| Tripod Mount Hole | YES |
| Long-term Drift Per Year | Less than 2% per year |
| Weight | ~100g |
| Power Supply/Consumption | AAA battery x 2pcs, less than 5mA |
| Standard Package | Meter with built-in PAR sensor Battery/Manual/Soft carry pouch Paper Box |
Malaysia
