Air conditioning heat and cold meter

In order to ensure that the elevator obtains good starting and braking characteristics under various load conditions, it is necessary to install a load detection device in the gearless traction drive control system. In the system, as mentioned earlier, by using high-performance rotary encoders with values or sine and cosine, the design of the frequency converter can utilize the performance of the rotary encoder to calculate the torque that needs to be compensated at the moment of elevator start-up, and compensate it into the output torque, thereby achieving smooth start-up. This requires the frequency converter to have a certain degree of improvement in signal detection accuracy, anti-interference ability, and calculation response speed. Considering that gearless traction requires low-speed and high torque, the electric motor should adopt a multi pole design, usually with 2 or more poles, and even 4 or higher.

LUGB-MIKVortex flowmeter is a type of flowmeter that applies the Karman vortex principle, used to measure the flow rates of liquids, gases, and vapors, as well as turbid liquids containing small particles and impurities. It is widely used in petroleum, chemical, pharmaceutical, papermaking, metallurgy, power, and other industriesEnvironmental protection, food and other industries.

Thick plate in air conditioning heat and cold meters refers to steel plates with a thickness of 4.5-25.0mm, widely used in construction engineering, machinery manufacturing, container manufacturing, shipbuilding, bridge construction, etc. The surface quality issues of medium and thick plates not only affect the appearance of the product, but more importantly, the existence of surface defects may reduce the corrosion resistance, wear resistance, fatigue limit and other properties of the steel plate, thus receiving high attention from manufacturers and users. In today's fiercely competitive market, only medium and thick plates with excellent surface quality are accepted and more competitive. The surface quality of medium and thick plates mainly refers to the smoothness and absence of defects on their surface, which is one of the main quality indicators of medium and thick plates.

·High strength piezoelectric crystal, integrally formed, impact resistant

·Compatible with liquid, gas, thermal oil, and steam metering

·Sonic nozzle calibration, high repeatability, high measurement accuracy

·Temperature compensation and pressure temperature can be freely selected to meet more on-site needs

·The circuit board is aged and operated before leaving the factory, and the entire meter is calibrated one by one, which is more suitable for on-site use

·The sensing head has anti vibration and anti-interference packaging technology, with stronger on-site anti-interference ability