| Model | 8583 |
| Spectral Range | 400±10nm~700±10nm |
| Measurement Range | 0~4000 μmol/m2/sec |
| Display Resolution | 0 .1 μmol/m2/sec for 0~999 , 1 μmol/m2/sec for 1000~4000 |
| 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 | 0.5 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 | 25(H)x40(W)mm |
| Operating Temp. | 0~50℃ |
| Operating RH% | Humidity < 80% |
| Storage Temperature | -10~50℃ |
| Storage RH% | Humidity <90%, no condensation |
| Dimension | Meter: 115(L)x60(W)x24(H)mm PAR sensor: 80(L)x45.6(W)x26(H)mm |
| Cable | 12 ft straight RJ11 cable, 4.9 ft coiled Rj11cable |
| Selfie stick | 22 cm storage, 100cm extended |
| Weight | ~115g (w/o battery and cable) |
| Power Supply/Consumption | AAA battery x 2pcs, less than 10mA |
| Standard Package | Meter/PAR sensor/Straight cable/Coiled cable Selfie stick/Battery/Manual/Hard carry case |
| Long-term Drift Per Year | Less than 2% Per Year |
Malaysia