Lever Hoists fall into two main categories: cable or rope hoists and chain hoists. Both variants rely on a ratchet and pawl system to rotate a gear or pulley a pre-set distance that lifts the load. The ratchet and lever mechanism is equipped with a hook or fastener which is used to suspend the lever hoist from a suitable support. Both lever hoist types may be used in any orientation for lifting, tensioning, or pulling operations although chain type hoists are generally more suited to vertical lifting.
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In maritime operations on board and on shore, safety, protection and efficiency are the most important requirements. Accurate and reliable environmental measurements and monitoring are essential to ensure the safe and efficient operation of ports, ships and offshore platforms.
port:
The unique challenges facing the port are related to both the surrounding environment and the weather conditions at that time. Frequently changing, sometimes highly localized weather and ocean conditions will continue to affect port operations and safety. For example, in extreme weather conditions, ships often cannot reach Hong Kong, and helicopter operations are limited by high wind speed, low visibility and lightning conditions. Cargo handling, ship berthing, driving, towing and dredging operations are also affected by bad weather.
In addition to security, it is also vital to make everything work as expected under any circumstances. A wide range of weather and sea conditions parameters including wind, fog, rain, water level, waves, and water flow directly affect various operations. Accurate observation, analysis, and exchange of local weather and sea state information will help port users make the right decisions at the right time. In all important operations, the use of useful weather information can be performed safely and efficiently.
Maritime traffic:
Bad weather and rough sea conditions have challenged the safe navigation of ships. The main objective of the VTM is to improve the safe passage of the waterway and the efficiency of transportation. Therefore, it is important that the center of the vessel traffic management department obtain local meteorological/hydrological information. Only with accurate and timely information can we ensure unimpeded operation, improve maritime safety and navigation efficiency, and assist the ship’s decision-making process. In the meantime, the role of the dew point meter cannot be underestimated.
Measuring compressed air:
If the dew point measurement also has pressure measurements, it can bring more advantages. When the dew point measurement data is combined with the real-time pressure value, the atmospheric pressure dew point and ppm volume ratio can be output in real time online without ambiguity of the dew point value caused by different pressures. For medical gases, for example, the measurement requirements specified in the standard can be quickly and easily completed.
The dew point meter is installed in the compressed air line and is not calibrated or adjusted. The entire pipeline actually restores the instrument air environment. With accurate dew point measurements, up to 20% of energy consumption can be reduced.
Marine weather measurement applications: