德國Kracht流量計現貨VCA 2 U4 F4 P1 SH功能范圍參數分析

功能范圍

該型號流量計主要用于對液體介質的流量進行精確測量與監控，適用于工業生產過程中各類液壓系統、潤滑系統及流體輸送管路，可實時監測介質流量變化，為設備運行狀態評估、故障診斷及工藝優化提供數據支持

基本參數

型號：VCA 2 U4 F4 P1 SH

測量范圍通常在0.1-200 L/min之間

精度等級一般為 ±0.5%FS（滿量程）或 ±1%FS，具備較高的測量準確性

溫度參數

介質溫度范圍：-20℃ - +120℃（部分特殊材質版本可擴展至更高或更低溫度）

環境溫度范圍：-10℃ - +60℃，確保在不同工作環境下穩定運行

壓力參數

工作壓力最大可達 35 MPa（具體取決于型號和配置），適用于高壓液壓系統

壓力損失在額定流量下，壓力損失通常較小，一般不超過 0.5 MPa，減少系統能耗

介質相關參數

適用介質液壓油、潤滑油、礦物油、合成油等各種工業液體，不適合強腐蝕性介質

粘度范圍通常適用于粘度在 1-1000 cSt 的介質，粘度變化對測量精度影響較小

輸出信號參數

輸出信號類型脈沖信號、模擬信號（如 4-20 mA 或 0-10 V），可根據用戶需求選擇

供電電壓一般為 DC 24 V，部分型號支持寬電壓供電

使用過程中的性能表現

流量測量性能

在規定的流量范圍內，能夠穩定、準確地測量介質流量，響應速度快，可實時跟蹤流量的動態變化。即使在流量波動較大的情況下，仍能保持較高的測量精度，滿足工業過程控制對流量數據的實時性和準確性要求

溫度與壓力適應性

在允許的溫度和壓力范圍內，儀表性能穩定，不會因溫度變化或壓力波動而產生較大的測量誤差。其結構設計能夠承受高壓環境，密封性能良好，確保在長期使用過程中無泄漏現象

介質兼容性

與多種工業常用液體介質具有良好的兼容性，不會因介質特性而對儀表內部組件造成腐蝕或損壞，保證了儀表的使用壽命和測量精度的穩定性

粘度影響

對于粘度在規定范圍內的介質，粘度變化對測量結果的影響較小，無需頻繁進行粘度補償，簡化了使用過程，提高了測量的可靠性

優勢性能特點

高精度測量采用先進的測量原理和制造工藝，確保測量精度高，誤差小，為生產過程提供可靠數據

結構緊湊體積小巧，安裝方便，可適應空間有限的安裝場景

高可靠性選用優質材料和精密部件，經過嚴格的質量檢測，具有較長的使用壽命和穩定的性能。

維護簡便內部結構簡單，不易堵塞，日常維護工作量小，降低了使用成本。

多種輸出信號可提供多種輸出信號類型，便于與不同的控制系統或顯示設備連接，實現數據的采集和遠程監控。

寬量程比測量范圍寬，能夠滿足不同流量工況的測量需求，提高了儀表的適用性

應用領域場景

液壓系統：用于監測液壓泵的輸出流量、液壓缸的回油流量等，確保液壓系統正常運行，防止過載或流量不足導致的設備故障

潤滑系統：在機械設備的潤滑系統中，測量潤滑油的流量，保證各摩擦部位得到充分潤滑，減少設備磨損，延長設備壽命

石油化工：用于石油、化工生產過程中各種液體原料和產品的流量測量，實現生產過程的自動化控制和計量

工程機械：在挖掘機、裝載機、起重機等工程機械的液壓系統中，監測液壓油流量，為設備的性能優化和故障診斷提供依據

機床制造：用于機床液壓系統和潤滑系統的流量測量，保證機床的加工精度和正常運行

安裝方式

安裝位置

應安裝在水平或垂直的管道上，避免安裝在有劇烈振動、強磁場或高溫熱源的位置。確保儀表前后有足夠的直管段，一般要求上游直管段長度不小于 10 倍管道直徑，下游直管段長度不小于 5 倍管道直徑，以保證流體流態穩定，提高測量精度

連接方式

通常采用法蘭連接或螺紋連接，根據管道尺寸和壓力等級選擇合適的連接方式。安裝時應注意密封，防止介質泄漏。

方向要求流量計上標有介質流動方向箭頭，安裝時必須保證介質流動方向與箭頭方向一致，否則會影響測量精度甚至損壞儀表

電氣連接按照儀表說明書的要求進行電氣接線，確保接線正確、牢固，避免因接觸不良導致信號傳輸故障

注意事項

介質過濾在流量計上游應安裝過濾器，過濾掉介質中的雜質和顆粒，防止雜質進入儀表內部損壞測量部件，影響測量精度和使用壽命

啟動與停止在啟動系統時，應緩慢打開閥門，避免介質流速突然變化對儀表造成沖擊；停止系統時，應先關閉流量計下游的閥門，再關閉上游閥門

定期校準為保證測量精度，應定期對流量計進行校準，校準周期一般為 1-2 年，具體可根據使用情況和要求確定

維護保養定期檢查儀表的外觀、連接部位和輸出信號，發現異常及時處理。對于需要潤滑的部件，應按照說明書的要求定期添加潤滑油

避免空轉在測量過程中，應避免儀表在無介質的情況下空轉，以免損壞內部部件

環境防護在惡劣環境下使用時，應采取適當的防護措施，如加裝防護罩、隔熱層等，保護儀表不受環境因素的影響

Functional Scope: This flow meter is primarily designed for precise measurement and monitoring of liquid medium flow rates. It is suitable for various hydraulic systems, lubrication systems, and fluid transmission pipelines in industrial production processes, enabling real-time monitoring of flow rate variations to provide data support for equipment condition assessment, fault diagnosis, and process optimization. Basic Parameters: Model: VCA 2 U4 F4 P1 SH; Measurement Range: Typically 0.1–200 L/min; Accuracy Class: Generally ±0.5% FS (Full Scale) or ±1% FS, ensuring high measurement accuracy; Temperature Parameters: Medium Temperature Range: -20°C to +120°C (some special material versions extend to higher or lower temperatures); Environmental Temperature Range: -10°C to +60°C, ensuring stable operation under diverse working conditions; Pressure Parameters: Maximum operating pressure up to 35 MPa (depending on model and configuration), suitable for high-pressure hydraulic systems with minimal pressure loss (typically ≤0.5 MPa at rated flow rate), reducing system energy consumption; Media Compatibility: Suitable for hydraulic oil, lubricating oil, mineral oil, synthetic oils, and other industrial liquids, but not for highly corrosive media; Viscosity Range: Generally applicable to media with viscosities between 1–1000 cSt, where viscosity variations have minimal impact on measurement accuracy; Output Signal Parameters: Output signal types include pulse signals and analog signals (e.g., 4–20 mA or 0–10 V), selectable according to user requirements; Power Supply: Typically DC 24 V. Specific models support wide-voltage power supply. Performance During Operation: Flow Measurement Performance: Within the specified flow range, the instrument delivers stable and accurate medium flow measurement with rapid response capabilities, enabling real-time tracking of flow dynamics. Even under significant flow fluctuations, it maintains high measurement accuracy, meeting industrial process control requirements for real-time and precise flow data. Temperature and Pressure Adaptability: The instrument operates stably within permissible temperature and pressure ranges, avoiding substantial measurement errors caused by temperature variations or pressure fluctuations. Its structural design withstands high-pressure environments with excellent sealing performance, ensuring leak-free operation over extended periods. Medium Compatibility: The instrument demonstrates excellent compatibility with various commonly used industrial liquid media, preventing corrosion or damage to internal components due to medium properties, thereby ensuring extended service life and consistent measurement accuracy. Viscosity Impact: For media within the specified viscosity range, viscosity changes have minimal effect on measurement results, eliminating the need for frequent viscosity compensation and simplifying operational procedures while enhancing measurement reliability. Key Performance Features: -High Precision Measurement: Utilizing advanced measurement principles and manufacturing processes ensures high accuracy and minimal errors, providing reliable data for production processes. -Compact Design: The compact size facilitates easy installation in space-constrained environments. -High Reliability: Constructed with premium materials and precision components subjected to rigorous quality inspections, ensuring long service life and stable performance.

The system is easy to maintain, featuring a simple internal structure that resists clogging, resulting in reduced daily maintenance workload and lower operating costs.

Multiple output signals support various signal types, facilitating connection with different control systems or display devices for data acquisition and remote monitoring.

The wide measurement range enables accurate monitoring across diverse flow conditions, enhancing the instrument's versatility. Application scenarios include: 1) Hydraulic systems: Measures output flow rates of hydraulic pumps and return oil flow rates of hydraulic cylinders to ensure system stability and prevent equipment failures caused by overload or insufficient flow. 2) Lubrication systems: Measures lubricant flow rates in mechanical equipment to ensure adequate lubrication of friction points, reducing wear and extending equipment lifespan. 3) Petrochemical industry: Measures flow rates of liquid feedstocks and products during production processes for automated control and precision metering. 4) Construction machinery: Monitors hydraulic oil flow rates in excavators, loaders, and cranes to optimize performance and facilitate fault diagnosis. 5) Machine tool manufacturing: Measures flow rates in hydraulic and lubrication systems to ensure machining accuracy and reliable operation. Installation requirements: Install on horizontal or vertical pipelines, avoiding areas with severe vibrations, strong magnetic fields, or high-temperature sources. Ensure sufficient straight pipe sections upstream (minimum 10 times pipe diameter) and downstream (minimum 5 times pipe diameter) to maintain stable fluid flow and measurement accuracy. Connection methods: Use flange or threaded connections based on pipeline dimensions and pressure ratings. Ensure proper sealing during installation to prevent fluid leakage.

**Directional Requirements:** The flow meter must be marked with an arrow indicating the direction of fluid flow. During installation, ensure the fluid flow direction aligns with the arrow; otherwise, measurement accuracy may be compromised or the instrument's electrical connections may be damaged. Follow the instrument's manual for electrical wiring, ensuring proper and secure connections to prevent signal transmission failures caused by poor contact.  **Precautions:**  - **Media Filtration:** Install a filter upstream of the flow meter to remove impurities and particles from the fluid, preventing damage to measurement components and affecting accuracy and service life.  - **Start/Stop Procedures:** When starting the system, slowly open the valve to avoid sudden changes in fluid velocity that could shock the instrument. When stopping the system, first close the valve downstream of the flow meter before shutting off the upstream valve.  - **Regular Calibration:** To maintain measurement accuracy, calibrate the flow meter periodically (typically every 1–2 years), with specific intervals determined by operational requirements. Perform regular inspections of the instrument's appearance, connections, and output signals, addressing any abnormalities promptly. Apply lubricant to lubricated components as specified in the manual. Avoid idling the instrument during measurement to prevent internal component damage.  - **Environmental Protection:** In harsh environments, implement protective measures such as protective covers or insulation layers to safeguard the instrument from environmental factors.

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德國Kracht流量計現貨VCA 2 U4 F4 P1 SH功能范圍參數分析

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