pH Transmitter-Intrinsically Safe Multi-Parameter Analyzer Transmitter
The intrinsically safe multi-parameter water quality analyzer transmitter is designed for continuous online monitoring of critical water quality parameters in hazardous and explosive environments.
With Ex ia intrinsic safety design, the transmitter ensures safe operation in Zone 0 / Zone 1 classified areas while delivering reliable multi-parameter analysis.
It integrates pH (acid/alkali concentration), ORP, dissolved oxygen (DO), turbidity, and residual chlorine measurement into a single intelligent platform, making it ideal for petrochemical plants, chemical processing units, and hazardous wastewater treatment facilities.
Transmitters & Sensors Description
pH Transmitter-Intrinsic Safety Design & Compliance
This analyzer is developed in strict accordance with international intrinsic safety standards. By limiting electrical energy within safe thresholds, it eliminates ignition risk even under fault conditions.
Key safety features include:
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Intrinsically safe circuit design (Ex ia)
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Compatible with certified intrinsic safety barriers
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Suitable for hazardous gas and vapor environments
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Designed for safe operation during installation, calibration, and maintenance
This ensures maximum safety for personnel and equipment in explosive atmospheres.
Analyzer Transmitter | Multi-Channel Measurement System & Performance
The transmitter adopts a multi-channel architecture, allowing simultaneous measurement of multiple water quality parameters without signal interference. Each channel operates independently, ensuring high accuracy and long-term stability.
Advanced signal processing and automatic temperature compensation provide reliable measurement performance under changing process conditions, making the analyzer suitable for continuous 24/7 operation in harsh and hazardous environments.
Transmitters & Sensors Parameter
Technical Specifications – Intrinsically Safe pH / ORP Analyzer
Measurement Range & Resolution
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pH: –2.00 to 14.00 pH
Resolution: 0.01 pH -
ORP: –1999 to +1999 mV
Resolution: 1 mV -
Temperature: –15 to 130 °C
Resolution: 0.1 °C
Automatic Temperature Compensation
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Compensation Range: 0 to 100 °C
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Reference Temperature: 25 °C
Accuracy
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pH: ±0.01 pH
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ORP: ±1 mV
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Temperature: ±0.5 °C (0 to 100 °C)
Stability
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pH Drift: ±0.02 pH / 24 h
Output & Electrical Isolation
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Output Signal: 4–20 mA
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Isolation: Input, output, and power supply are fully isolated
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Power Supply: Via intrinsic safety barrier
Power Supply
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Supply Voltage: 24 V DC + 2.4 V
Protection Class
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Ingress Protection: IP67
Operating Conditions
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Ambient Temperature: –20 to +70 °C
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Relative Humidity: < 90% RH (non-condensing)
Explosion Protection
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Explosion Protection Rating: Ex ia IIC T6 Ga
Intrinsic Safety Parameters
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Ui: 28 V DC
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Ii: 93 mA
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Pi: 0.65 W
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Ci: 0.044 μF
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Li: 0 mH
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
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Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
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Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
What hazardous areas is this intrinsically safe water quality analyzer suitable for?
This analyzer is certified Ex ia IIC T6 Ga, making it suitable for Zone 0, Zone 1, and Zone 2 hazardous areas. It can be safely installed in environments with flammable gases such as hydrogen, acetylene, and petrochemical vapors commonly found in oil & gas, chemical plants, and wastewater treatment facilities.
Can one transmitter measure multiple water quality parameters simultaneously?
Yes. This multi-parameter analyzer supports pH, ORP, dissolved oxygen, turbidity, residual chlorine, and temperature through a multi-channel architecture, reducing installation cost, wiring complexity, and the number of field devices required in hazardous locations.
How is signal safety ensured when connecting to control systems in hazardous areas?
The transmitter uses intrinsic safety barriers and features fully isolated 4–20 mA outputs (input, output, and power supply isolation). This design prevents energy accumulation and ensures safe signal transmission to PLC or DCS systems without risk of ignition.
Is the analyzer suitable for harsh wastewater or corrosive media?
Yes. The analyzer is designed for sewage, industrial wastewater, and corrosive chemical media. It supports corrosion-resistant electrodes and stable signal processing, ensuring reliable measurement even under high humidity, variable temperature, and fluctuating water quality conditions.
How often does the intrinsically safe analyzer require calibration or maintenance?
Calibration frequency depends on the measured parameter and application. For most wastewater and industrial processes, routine calibration every 1–3 months is recommended. The transmitter itself is maintenance-free; only sensor cleaning and calibration are required.
Can this explosion-proof analyzer be customized for specific projects?
Yes. The system supports custom sensor combinations, output configurations, communication options, enclosure materials, and mounting methods, allowing seamless integration into customized hazardous-area water monitoring projects.
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