S. No. | Device/Instrument | Use/Measure |
| 1. | Anemometer | Wind speed/velocity |
| 2. | Seismograph | Earth quake |
| 3. | Pyranometer | Total incoming solar radiation |
| 4. | Albedometer | Reflectivity |
| 5. | Net radiometer | Net radiation |
| 6. | Quantam Sensor | PAR (Photosynthetic activr radiation) |
| 7. | Pyraheliometer | Direct solar radiation |
| 8. | Spectrometer | Solar radiation in narrow wave bands |
| 9. | Thermometer | Temprature |
| 10. | Android Barometer | Atmospheric pressure |
| 11. | Wind wane | Wind Direction |
| 12. | Psychrometer/Hygrometer | Relative humidity |
| 13. | Hygrograph | Continous record RH |
| 14. | Evaporimeter | Evaporation |
| 15. | Rain gauge | Rainfall |
| 16. | Gypsum block | Soil moisture in situ |
| 17. | Infiltrometer | Infiltration rate |
| 18. | Lysimeter | Percolation and leaching |
| 19. | Permeameter | Permeability of soil |
| 20. | Pizometer | Depth of water table |
| 21. | Tensiometer | Matric potential |
| 22. | Planometer | Leaf area |
| 23. | Manometer | Root Pressure |
| 24. | Lactometer | Lactose Or specific gravity of milk |
| 25. | Bricks hydrometer | Tss(total soluble solid) in sugarcane |
| 26. | Infra red thermometer | Crop canaopy temperature |
| 27. | Auxanometer | Growth of plant |
