Transmitter

Sensor Oksigen Terlarut

Designed for continuous dissolved oxygen monitoring in water and wastewater processes, this optical dissolved oxygen sensor eliminates the limitations of traditional membrane-based probes. With no electrolyte, no oxygen consumption, and no flow dependency, it delivers stable, accurate measurements even in low-flow or static conditions.

It is especially suitable for applications where long-term stability, low maintenance, and reliable digital communication are critical.

  Transmitters & Sensors Description  

Why Optical Dissolved Oxygen Measurement

Traditional electrochemical DO sensors require membranes, electrolytes, and frequent maintenance. This optical dissolved oxygen sensor adopts fluorescence measurement technology, providing a fundamentally different approach:

  • No membrane, no electrolyte, no polarization

  • Tidak ada konsumsi oksigen selama pengukuran

  • Stable readings independent of flow velocity

  • Longer service life with significantly reduced maintenance cost

This makes it ideal for unattended operation and harsh field environments.

Dissolved oxygen sensor for online water quality monitoring
Industrial online dissolved oxygen sensors with transmitter for water quality monitoring

Dissolved O2 Sensor Features

Maintenance-Free Optical Technology

  • Membrane-free design with no electrolyte replacement

  • No polarization effect, no drift caused by oxygen consumption

  • Fluorescent cap is easy to replace when required

Accurate & Stable Measurement

  • Fast response time and excellent long-term stability

  • Minimal annual drift ensures consistent performance

  • Built-in temperature sensor with automatic temperature compensation

Designed for Field Reliability

  • Fully sealed IP68 housing for submersible installation

  • 316L stainless steel + PPS body resists corrosion

  • Not affected by flow rate, bubbles, or low-velocity conditions

Digital Integration Ready

  • RS485 communication (Modbus-compatible)

  • Easy connection to PLC, SCADA, or upper-level control systems

Dissolved Oxygen Sensors Applications

  • Wastewater treatment (aeration basins, biological tanks)

  • Pemantauan air permukaan dan lingkungan

  • Aquaculture and fish farming systems

  • Industrial process water

  • Municipal water and utility monitoring

Optical dissolved oxygen sensor with stainless steel probe for wastewater and water quality monitoring
Fluorescent dissolved oxygen sensor working principle for water quality monitoring

Dissolved Oxygen Sensor Designed for Long-Term Operation

By removing consumable components and minimizing maintenance requirements, this dissolved oxygen sensor significantly reduces total cost of ownership while ensuring reliable data for process control and environmental compliance.

It is not just a sensor—it is a long-term monitoring solution.

  Transmitters & Sensors Parameter  

ParameterSpesifikasi
Prinsip PengukuranOptical fluorescence
Dissolved Oxygen Range0 ~ 20 mg/L or 0 ~ 200 % saturation
Temperature Range (Process)0 ~ 45 ℃
Operating Pressure≤ 0.3 MPa
Measurement AccuracyDO: ±0.3 mg/L or ±3 %Temperature: ±0.5 ℃
Sinyal KeluaranRS485
Bahan Perumahan316L Stainless Steel + PPS
Protection ClassIP68
Sensor DimensionsØ49.5 × 251.5 mm
Installation MethodSubmersible
Suhu Sekitar0 ~ 60 ℃
Kelembaban Relatif< 90 % RH
Panjang Kabel10 m standardUp to 100 m customizable

  Instrava OEM / ODM

Custom Engineering & Service Support

Instrava goes beyond supplying sensors. We work as a long-term engineering partner, supporting customers from selection to deployment and long-term operation.

What We Can Customize

  • Application-oriented sensor selection
    Sensor configuration optimized for wastewater, environmental water, aquaculture, or industrial processes.

  • Installation & mounting design
    Support for submersible, pipeline, tank, or custom installation structures.

  • Signal & system integration
    RS485 communication mapping for PLC, DCS, SCADA, and data acquisition systems.

  • Cable length & material customization
    Extended cables (up to 100 m) and material options for harsh environments.

  • Multi-parameter system design
    Integration with pH, ORP, conductivity, turbidity, and temperature sensors.

  • OEM & private labeling services
    Branding, enclosure customization, and documentation support.

Engineering Support Services

  • Pre-sales application analysis

  • Selection guidance for complex operating conditions

  • Commissioning support and parameter configuration

  • Long-term technical support and lifecycle consultation

Instrava focuses on trust, communication, and collaboration, helping customers reduce risk, improve reliability, and extend system service life.

melambangkan kepercayaan dan awal dari kemitraan jangka panjang

  Rekomendasi Produk Terkait  

Ya.
This sensor uses optical fluorescence technology and does not consume oxygen during measurement. The reading is independent of flow velocity, making it highly reliable in low-flow or stagnant conditions.

The optical measurement principle is far less sensitive to bubbles than electrochemical sensors. Occasional bubbles do not significantly affect readings, especially in aeration tanks or mixed water environments.

The sensor features minimal annual drift and no electrolyte consumption. Compared to membrane-based DO probes, it maintains accuracy over long periods with significantly reduced recalibration frequency.

Routine maintenance is minimal.
There is no membrane or electrolyte to replace. The fluorescent cap has a long service life and can be easily replaced when required, reducing downtime and maintenance cost.

Ya.
The sensor supports RS485 communication, typically using Modbus protocol, allowing seamless integration with PLC, DCS, SCADA, and data logging systems.

Absolutely.
With an IP68-rated housing and 316L stainless steel + PPS construction, the sensor is designed for continuous submersible operation in corrosive, high-humidity, and industrial wastewater conditions.

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.

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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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