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Instrumen Pengukuran Level
Pengukur Tingkat Pemindahan
The Displacer Level Gauge is a high-precision liquid level measurement instrument designed for industrial applications. Using the displacement principle, it accurately measures liquid levels in tanks, vessels, and process systems. Ideal for chemical, oil & gas, and pharmaceutical industries, this gauge ensures reliable and continuous monitoring even under high temperature, high pressure, and corrosive conditions. Available in stainless steel, explosion-proof, and OEM/ODM configurations, it offers flexibility for diverse industrial environments.
Deskripsi Alat Ukur Level Deskripsi
Displacer Level Gauge-Features
Robust and Reliable Design: Simple structure ensures stable performance and minimal maintenance requirements.
Safe and Isolated Indicator: The liquid level indicator is fully separated from the measured medium, providing safe and reliable operation.
Wide Pressure Range: Operates under working pressures from -0.1 to 42 MPa, suitable for most industrial processes.
Extreme Temperature Capability: Works in temperatures from -60°C to +400°C, supporting high-temperature applications.
Accurate Measurement: Includes medium density correction and temperature compensation for precise level readings.
High Viscosity Compatibility: Capable of measuring liquids with viscosity up to 500 mPa·s.
Multiple Indicator Options: Available with M2 and M3 indicators for on-site display preferences.
Flexible Signal Outputs: Supports 4-20mA two-wire signals, switch outputs, and HART protocol, ideal for remote monitoring and process integration.
Displacement Level Gauge-Applications
The Displacer Level Gauge is designed for continuous liquid level and interface measurement in demanding industrial environments. As a factory-manufactured instrument, it is engineered to deliver stable and accurate performance under high temperature, high pressure, corrosive, and hazardous conditions.
It is widely applied in the following industries:
Oil & Gas Industry
Used for level and interface measurement in crude oil tanks, separators, and storage vessels, especially suitable for high-pressure and explosion-risk areas.Pengolahan Kimia
Ideal for measuring corrosive and toxic liquids in reactors, columns, and storage tanks, ensuring safe and reliable process control.Pembangkit Listrik
Commonly installed in boilers, feedwater systems, and condensate tanks for continuous liquid level monitoring.Pharmaceutical Industry
Provides stable and hygienic level measurement in process vessels where accuracy and reliability are critical.Food & Beverage Processing
Suitable for liquid level control in production and storage tanks, supporting consistent process operation.Paper & Pulp Industry
Used for monitoring liquid levels in pulp processing and chemical dosing systems.
With a full metal structure, isolated indicator design, and multiple signal output options, the displacer level gauge is well suited for process control systems requiring long-term stability and low maintenance, making it a reliable choice for industrial liquid level measurement.
Buoyancy Level Gauge-Working Principle
The electric displacer level gauge measures liquid levels using the buoyancy principle combined with Hooke’s law. The displacer, suspended on a spring, responds to changes in liquid level: as the level rises or falls, the balance of buoyancy, gravity, and spring force shifts. This movement is transmitted through a magnetic coupling to an external indicator, providing a clear and accurate on-site reading.
Designed with a robust full-metal construction, the gauge keeps the indicator fully isolated from the measured medium, ensuring durability even in corrosive or high-temperature environments. It also offers flexible output options, including 4-20mA two-wire signals, switch outputs, and HART protocol, making it ideal for remote monitoring and seamless integration into industrial control systems.
Displacement Float Level Gauge-Indicator Function
M2 Indicator
The M2 is a square-type indicator. The vertical displacement of the displacer is transmitted through magnetic coupling and displayed on the pointer and dial, providing precise on-site liquid level readings.
M3 Explosion-Proof Indicator
The M3 is a prototype-type indicator designed for explosion-proof and intrinsically safe environments. It converts the displacer’s vertical movement into a readable value via magnetic coupling, displayed on the pointer and dial.
Explosion-Proof Rating: ExdⅡCT6Gb
Intrinsically Safe Rating: ExiallCT6Ga
The M3 indicator is ideal for hazardous areas, ensuring safe, accurate, and reliable level measurement in demanding industrial applications.
Parameter Alat Ukur Level Parameter
| Measuring Range | 300-6000 mm (or according to user requirements) |
| Measurement Accuracy | 1.5, 2.0 |
| Buoy Material | 304, 316L, HC, Ti, etc.(Other special materials are negotiated for supply) |
| Medium Density | ≥0.45g / cm3 |
| Interface Measurement | The difference between the density of the two media is ≥0.1 g / cm3 |
| Medium Temperature | ≤80 ℃, ≤150 ℃, ≤250 ℃, ≤400 ℃ |
| Medium Pressure | standard type ≤4.0 MPa, pressure type ≤42MPa |
| Pressure Level | standard type: DN40-DN50 / PN4.0Mpa;DN80-DN100 / PN1.6MPa |
| High Pressure Type | DN40-DN50 / PN10.0MPa |
| Special Type | according to user requirements |
| Flange Standards | HG20592, DIN2501, ANSI, SH, GB (or according to user requirements) |
| Process Connection | flange DN50, G1.5 ”thread or according to user requirements |
| Output Signal | 4 ~ 20mADC (two-wire system) |
| Load Resistance | 500Ω (when 24VDC power supply) |
| Communication Output | HART, Modbus (RS485) |
| Alarm Output | upper and lower limit switch output |
| Contact Capacity | up to 400VAC 0.05A, 24VDC 0.2A |
| Working Power | 15-35VDC, 220VAC |
| Lithium Battery | 3.6V7.5HA, 220VAC |
| Ambient temperature | -20 ℃ ~ + 60 ℃ |
| Body Material | 304, 316L or user requirements |
| Display Case Material | standard type: cast aluminum, special type: 304, 316L |
| Protection Level | IP65 (IP68 negotiated supply) |
Instrava OEM / ODM
Displacer Level Gauge – ODM / OEM Solutions
We offer customized Displacer Level Gauges tailored to your specific process requirements. Our ODM and OEM services allow you to select:
Measurement range and accuracy to match your tank or vessel specifications
Materials including stainless steel, corrosion-resistant alloys, and high-temperature variants
Indicator types (M2, M3, explosion-proof or intrinsically safe)
Signal outputs such as 4-20mA, switch outputs, and HART protocol
With years of experience in industrial liquid level measurement, we ensure that every gauge is precisely engineered, tested, and ready for seamless integration into your process control systems.
Benefits of Our ODM/OEM Services:
Fully customizable to meet unique industrial requirements
Supports harsh and hazardous environments
Ensures reliable performance and long service life
Fast prototyping and flexible production volumes
Partner with us for professional Displacer Level Gauge customization and get a solution that perfectly fits your chemical, petroleum, power, or pharmaceutical processes.
The gauge operates on the buoyancy principle and Hooke’s law. The displacer’s movement in the liquid is transmitted through magnetic coupling to the external indicator, providing precise and reliable level readings.
Yes, with stainless steel or alloy construction, the gauge can operate in high-temperature liquids up to 400°C and handle corrosive chemicals, ensuring safe and durable performance in harsh industrial environments.
Yes, models with the M3 indicator are certified explosion-proof (ExdⅡCT6Gb) dan intrinsically safe (ExiallCT6Ga), making them ideal for hazardous areas in chemical, oil, and gas industries.
The gauge supports 4-20mA two-wire output, switch signals, and HART protocol, allowing integration with DCS, PLC, and SCADA systems for real-time monitoring.
Yes, it measures liquids with viscosities up to 500 mPa·s, including heavy oils, syrups, and slurry, without sacrificing accuracy or responsiveness.
Yes, fully customizable solutions are available, including measurement ranges, materials, indicator types, and signal outputs, ensuring the gauge meets specific industrial process requirements.
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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