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Pengukur Aliran
Variable Area Rotameter Acrylic Flow Meter
Instrava’s acrylic body variable area flow meters provide an ideal balance of cost efficiency, measurement accuracy, and wide flow range availability. Designed to cover applications from microflow to larger flow rates, these variable area rotameters offer a practical solution for many industrial flow measurement needs.
The flow meter features a one-piece transparent acrylic body with PVC or metal process fittings, ensuring durability while allowing clear visual observation of flow conditions. A large, easy-to-read scale with additional reference marks improves readability and reduces interpretation errors during operation.
Low flow models use an inherently stable float design, while higher flow models incorporate a float stabilization mechanism for enhanced indication stability. Many models are available with or without integrated control valves, combining accuracy, value, and low cost in a compact and reliable flow measurement solution.
Flow Meter Description
Acrylic Body Variable Area Flow Meters Features
Clear, high-contrast scales for fast and accurate flow reading
Compact and lightweight design for easy installation in limited spaces
Durable acrylic body with robust fittings for long-term operation
Cost-effective flow measurement solution for standard industrial applications
Metric scales available as standard or optional configuration
Air sampling and gas analysis equipment
Aquaculture and water treatment systems
Desalination and filtration processes
Medical and laboratory equipment
OEM and skid-mounted systems
Variable Area Rotameter Application Scenarios
The variable area rotameter (acrylic flow meter) is widely used for visual flow monitoring in systems requiring simple, reliable, and cost-effective flow indication. Typical applications include:
Air sampling and gas analysis systems
Aquaculture and water treatment processes
Desalination and filtration systems
Medical and laboratory equipment
Chemical dosing and fluid handling systems
OEM equipment and skid-mounted assemblies
Rotameter Working Principle
The variable area rotameter operates on the variable area principle. The fluid flows upward through a vertically mounted, tapered acrylic tube. As the flow rate increases, the float rises until the upward force from the fluid equals the gravitational force acting on the float.
The height of the float within the tube corresponds directly to the flow rate, which is read against a calibrated scale on the acrylic tube. This mechanical measurement method provides stable and repeatable flow indication without the need for external power.
Rotameter Flow Meter Structure
The acrylic flow meter consists of a precision-molded acrylic tapered tube, a corrosion-resistant float, end fittings, and sealing components. The lightweight and transparent structure allows easy visual inspection while maintaining sufficient mechanical strength for low-pressure applications.
Flow Meter Parameter
Model: INAR115 (Customizable)
| Item | Spesifikasi |
|---|---|
| Measuring Medium | Liquid / Gas |
| Measuring Range – Liquid | ml/min: 6–60, 8–80, 30–120, 40–400 (custom ranges available) GPH: 10–70, 16–160, 25–250, 80–400, 100–500, 100–600, 200–800, 100–1000 |
| Measuring Range – Gas | L/min: 0.05–0.5, 0.1–1, 0.2–2, 0.25–2.5, 0.6–6, 1–4, 1–5, 1–10, 1–12 0.1–0.8, 0.1–1.5, 0.3–3 0.4–4, 0.5–8, 1–5, 1–12, 2–10, 2–20, 3–15, 3–30, 4–20, 5–25, 6–30 m³/h: 0.05–0.25, 0.04–0.4 |
| Scale Type | Metric scale (custom calibration available) |
| Regulator / Valve Option | With regulating valve / Without regulating valve |
| O-ring Material | Silicone rubber / Fluorocarbon rubber (FKM) / Nitrile rubber (NBR) |
| Connector Material | ABS / PP / PVC / Brass / Chrome-plated brass / Stainless steel |
| Installation Orientation | Vertical |
| Customization | Flow range, scale calibration, valve option, sealing material, connector material |
Instrava OEM / ODM
Customization & Instrava Support
Instrava offers customizable variable area rotameter solutions to meet specific application requirements, including flow range selection, connection types, float materials, and scale calibration.
As a partner focused on industrial measurement and control instruments, Instrava provides reliable flow measurement solutions supported by trust, communication, and long-term collaboration, helping customers improve process efficiency and operational reliability.
Rekomendasi Produk Terkait
A variable area rotameter is used for visual measurement of liquid or gas flow in pipelines and process systems. It is commonly applied where simple, reliable, and cost-effective flow indication is required without external power or electronic output.
Yes. Acrylic flow meters can be designed and calibrated for liquid or gas measurement. The flow range, float design, and scale are selected according to the medium to ensure stable and accurate indication.
The recommended operating flow should fall within 30–70% of the full scale of the rotameter. Selecting a proper flow range improves reading stability and measurement repeatability while avoiding float saturation at high flow.
Acrylic rotameters can handle mildly corrosive media by selecting compatible body materials, connectors, and sealing O-rings such as PP, PVC, or fluorocarbon rubber. Material compatibility should always be verified for specific chemical applications.
No. Acrylic variable area flow meters operate on a purely mechanical principle and do not require electrical power, wiring, or signal output. Flow is indicated directly by the float position on the scale.
Variable area rotameters should be installed vertically with upward flow. Proper vertical alignment and stable mounting are essential to ensure correct float movement and accurate flow indication.
Mengapa Memilih Instrava
Dengan memilih Instrava, Anda mendapatkan mitra dengan pemahaman mendalam tentang aplikasi industri dan keahlian untuk memenuhi tantangan operasional saat ini.
Peran kami lebih dari sekadar produk-kami mendukung kesuksesan Anda melalui solusi yang dapat diandalkan dan komitmen jangka panjang.
Inovasi Berbasis Rekayasa
Inovasi di Instrava dipandu oleh kebutuhan industri yang nyata. Kami terus menyempurnakan teknologi kami untuk menjawab tantangan operasional yang terus berkembang, memastikan kinerja yang praktis dan andal di lingkungan yang penuh tuntutan.
Kustomisasi Khusus Aplikasi
Kami menyediakan kustomisasi tingkat teknik agar sesuai dengan kondisi proses tertentu. Dari rentang pengukuran dan bahan hingga sinyal keluaran dan opsi pemasangan, solusi kami dikonfigurasikan agar sesuai dengan aplikasi nyata.
Kualitas dan Keandalan yang Terbukti
Kualitas dan keandalan merupakan hal yang mendasar bagi setiap produk Instrava. Diproduksi di bawah kontrol kualitas yang ketat dan diuji secara menyeluruh, instrumen kami memberikan kinerja yang akurat, stabil, dan jangka panjang.
Kemampuan Global dengan Dukungan Lokal
Instrava menggabungkan keahlian teknik global dengan dukungan lokal yang responsif, memastikan mitra kami mendapatkan keuntungan dari teknologi yang selaras secara internasional dan layanan regional yang tepat waktu.
Portofolio Produk yang Komprehensif
Portofolio instrumen pengukuran dan kontrol kami yang luas memungkinkan kami untuk memenuhi berbagai kebutuhan industri, memberikan solusi terintegrasi dari satu sumber yang dapat diandalkan.
Dukungan Rekayasa Berorientasi Mitra
Kami bekerja sama dengan mitra kami mulai dari konsultasi teknis hingga dukungan purna jual. Fokus kami adalah memberikan solusi yang menciptakan nilai yang langgeng dan mendukung kesuksesan operasional jangka panjang.
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