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            你的位置:首頁 > 產(chǎn)品展示 > 工業(yè)設(shè)備配件 > 智能模塊 > VK-202A2 SER7JK0014 CAL SCM440

            VK-202A2 SER7JK0014 CAL SCM440

            產(chǎn)品特點:
            探頭型號VL0500020L01/030200-J501-CM-17GK2005
            放大器型號是VK-202A2 SER7JK0014 CAL SCM440
            型號VW-802J/CF-CM-17GK6005,VK-602P VK-P振動傳感器
            VK-302PVK-P振動傳感器VK-452AVK-A振動傳感器VK-202AVK-A振動傳感器WKN-142K
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            產(chǎn)品介紹

            廣泛應(yīng)用于電力、石油、化工、冶金等行業(yè)和一些科研單位。對汽輪機、水輪機、鼓風(fēng)機、壓縮機、空分機、齒輪箱、大型冷卻泵等大型旋轉(zhuǎn)機械軸的徑向振動、軸向位移、鍵相器、軸轉(zhuǎn)速、脹差、偏心、以及轉(zhuǎn)子動力學(xué)研究和零件尺寸檢驗等進行在線測量和保護。 
            軸向振動轉(zhuǎn)速位移測量對于許多旋轉(zhuǎn)機械,包括蒸汽輪機、燃汽輪機、水輪機、離心
            式和軸流式壓縮機、離心泵等,軸向位移是一個十分重要的信號,過大的軸向位移將會引起過大的機構(gòu)損壞。軸向位移的測量,可以指示旋轉(zhuǎn)部件與固定部件之間的軸向間隙或相對瞬時的位移變化,用以防止機器的破壞。軸向位移是指機器內(nèi)部轉(zhuǎn)子沿軸心方向,相對于止推軸承二者之間的間隙而言。有些機械故障,也可通過軸向振動位移的探測

            The VK-A Series vibration transducer is an eddy-currenttransducer designed to satisfy the American Petroleum Institute API St’d 670. It measures the shaft vibration of rotating machinery without contact. This is the most appropriate sensor to measure the shaft vibration of rotating machinery supported by plain bearings and is frequently used to monitor the vibration of turbine generators and compressors. In addition, it can be used in an explosive gas atmosphere due to its intrinsic safety construction.  Main Functions 1. System composition Consists of sensor, extension cable and driver. Available in system lengths of 5m and 9m to cover the total distance between sensor and driver. 2. Intrinsic safety explosion-proof construction RIIS equivalent to IEC standard Ex ia IIC T6 FM, BASEEFA 3. Environment Extensive operating temperature range (−40 to +177°C) Not affected by lubricating oil mist or dust. (exclude connector) Ammonia resistance and measures for hydrogen sulfide-protected models are also available (for details, contact us) (Not available for rain water at out door use) 4. Conforming to API Standard product which is based on API St’d 670 regarding scale factor error, interchangeability and sensor size. ■ Specifications VK-202A 2,000µm Transducer VK-452A 4,500µm Transducer Calibrated material JIS SCM440 (AISI 4140 Steel) flat surface Linear range* 2,000µm (approx. 80mils) 4,500µm (approx. 180mils) (less than ±75µm at linearity) 4,000µm (approx. 160mils) (less than ±10% at scale factor) Sensitivity* 787mV/l00µm (200mV/mil) 394mV/100µm (100mV/mil) Scale factor error* Within ±5% of 787mV/l00µm (if calibrated as a system) Within ±10% of 394mV/l00µm (if calibrated as a system) Linearity* Within ±20µm of 787mV/l00µm (if calibrated as a system) Within ±75µm of 394mV/l00µm (if calibrated as a system) Operating temperature range Sensor −40 to +l77°C (−40 to +350°F) (connector: max. +125°C) Extension cable −40 to +l77°C (−40 to +350°F) (connector: max. +125°C) Driver −38 to +80°C (−36 to +176°F) Operating humidity range 30 to 95% RH (non condensing, non-submerged) Power supply −17.5VDC to −26VDC Max. output voltage Approx. −22VDC (At −24VDC power supply voltage) Current consumption (at 10k? load resistance) Max. −16mA Max. −20mA Frequency response DC to 20kHz (−3db) DC to 10kHz (−3db) Output impedance 50? Sensor tip diameter Approx. ø5mm or approx. ø8mm Approx. ø11mm Connector material Stainless steel, Gold-plated finish Sensor cable length 0.5 or 1m System cable length Sensor cable length + Extension cable length = 5m±10% or 9m±10%



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