Editorial Technical Reference

Sensor Array Network

This page explains how Sensor Array Network is classified within Food Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A network of multiple sensors distributed throughout a fermentation system to monitor and collect real-time data on critical parameters.

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Sensor Array Network in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Sensor Array Network

Definition
Within an Automated Fermentation Control System, the Sensor Array Network is a critical component comprising multiple, strategically placed sensors that continuously measure key fermentation parameters such as temperature, pH, dissolved oxygen, pressure, and biomass concentration. This network provides the essential real-time data stream required by the control system to maintain optimal fermentation conditions, ensure product consistency, and enable automated process adjustments. The network is scalable, typically consisting of 8 to 32 sensor nodes, depending on the fermentation tank size. Each node is designed for industrial environments, with a temperature measurement range of -40 to 85 °C and an accuracy of ±0.5 °C, and a pH measurement range of 0 to 14 with an accuracy of ±0.1 pH. The sampling rate is adjustable from 1 to 10 Hz, allowing real-time monitoring tailored to process dynamics. Communication is facilitated via RS-485, conforming to the TIA/EIA-485 standard, enabling multi-drop industrial networking. The system operates on a supply voltage of 9 to 36 V DC, with a power consumption of ≤2.5 W per node at 24 V DC. The electronics are rated for an operating temperature of -20 to 60 °C and non-condensing humidity of 0 to 95% RH. The sensor nodes offer ingress protection ratings of IP65 to IP67 per IEC 60529, making them resistant to hose-down and immersion. Wetted parts are constructed from 316L stainless steel (ASTM A240), with PTFE/Teflon seals and membranes, silicon microelectronic components, and epoxy resin encapsulation. Each node weighs between 0.5 and 1.2 kg, depending on configuration. These specifications serve as directory reference ranges; for specific models and applications, verify all values and standards with the legal manufacturer or supplier.
Working Principle
Individual sensors within the array transduce specific physical or chemical parameters (e.g., temperature via thermocouples, pH via ion-selective electrodes) into electrical signals. These signals are transmitted, often via a common communication protocol (e.g., 4-20mA, HART, digital bus), to a central data acquisition unit or directly to the system's Programmable Logic Controller (PLC) for processing, enabling centralized monitoring and control. The network's design allows for distributed sensing, ensuring comprehensive coverage of the fermentation vessel. The data stream is time-stamped and synchronized, providing a coherent picture of the process. The PLC or data acquisition unit can then execute control algorithms, such as adjusting heating/cooling or adding nutrients, based on the aggregated sensor data. The system is designed for industrial robustness, with each node capable of operating independently, and the network can be configured for redundancy or expansion. The communication protocol supports multi-drop topology, allowing multiple nodes to share a single bus, simplifying wiring and maintenance.
Common Materials
Stainless Steel (316L for wetted parts), PTFE/Teflon (for seals and membranes), Silicon (for microelectronic components), Epoxy Resin (for encapsulation)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Number of Sensor Nodes8–32 nodesScalable to fermentation tank size
Measurement Range (Temperature)-40–85 °CCovers fermentation and cleaning cycles
Measurement Range (pH)0–14 pHFull range for acidic to alkaline media
Measurement Accuracy (Temperature)±0.5 °CCritical for fermentation control
Measurement Accuracy (pH)±0.1 pHEnsures product consistency
Sampling Rate1–10 HzAdjustable for real-time monitoring
Communication ProtocolRS-485Industrial standard for multi-dropTIA/EIA-485
Supply Voltage9–36 V DCWide input for industrial power
Power Consumption≤2.5 WPer node at 24 V DC
Operating Temperature-20–60 °CAmbient for electronics
Operating Humidity0–95 % RHNon-condensing
Ingress ProtectionIP65–IP67Hose-down and immersion resistantIEC 60529
Sensor Material316LFood-grade stainless steelASTM A240
Weight per Node0.5–1.2 kgDepends on sensor configuration

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Sensor Probe/Element Part
    The active sensing component that directly interacts with the process medium to detect and transduce a specific physical or chemical parameter into an electrical signal.
    Material: Varies by sensor type (e.g., Pt100 for temperature, glass membrane for pH)
  • Signal Transmitter/Conditioner
    Amplifies, filters, and converts the raw sensor signal into a standardized output suitable for transmission (e.g., 4-20mA current loop, digital signal).
    Material: PCB with electronic components (ICs, resistors, capacitors), housed in a stainless steel or plastic enclosure
  • Communication Module
    Handles the network protocol stack, enabling data packetization, addressing, and transmission over the chosen industrial network.
    Material: PCB with communication ICs (e.g., RS-485 transceiver, Ethernet controller)
  • Housing/Enclosure Part
    Protects the internal electronics from the harsh fermentation environment (moisture, chemicals, pressure). Often rated IP67 or higher.
    Material: Stainless Steel (AISI 316L), PPSU, or other chemically resistant polymers

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
flow rate: 0 to 5 m/s
temperature: -20°C to 150°C
slurry concentration: 0 to 40% solids by weight
Media Compatibility
✓ Aqueous fermentation broths ✓ Stainless steel bioreactor surfaces ✓ Sterile process environments
Unsuitable: High-viscosity non-Newtonian fluids with abrasive particles
Sizing Data Required
  • Total fermentation volume (L)
  • Number of critical monitoring points required
  • Required data sampling frequency (Hz)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Signal drift
Cause: Thermal cycling and environmental exposure degrading sensor calibration and electronic components over time, leading to inaccurate readings.
Communication failure
Cause: Network protocol mismatches, electromagnetic interference (EMI), or physical damage to communication cables/connectors disrupting data transmission between sensors and the central system.
Maintenance Indicators
  • Inconsistent or erratic data readings across multiple sensors in the array
  • Complete loss of communication from one or more sensors, indicated by network diagnostics or alarm systems
Engineering Tips
  • Implement regular calibration schedules and environmental hardening (e.g., proper shielding, temperature control) to maintain sensor accuracy and reliability.
  • Use robust network protocols with error-checking, redundancy in communication paths, and periodic integrity testing to prevent and quickly detect communication failures.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO/IEC 80079-34:2018 (Explosive atmospheres - Equipment quality assurance systems) ANSI/ISA-12.12.01 (Electrical Equipment for Use in Class I, Division 2 Hazardous Locations) DIN EN 60730-1 (Automatic electrical controls for household and similar use)

Quoted from the published standard.

Manufacturing Precision
  • Sensor Alignment: +/-0.5° angular deviation
  • Signal Transmission Latency: ≤2ms variation across network nodes
Quality Inspection
  • Network Communication Protocol Compliance Test
  • Environmental Stress Screening (ESS) for temperature/humidity cycling

Manufacturers of Sensor Array Network

Manufacturer profiles associated with Sensor Array Network.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What is the typical number of sensor nodes in the array?

The number of sensor nodes is scalable and typically ranges from 8 to 32, depending on the fermentation tank size. The exact number should be determined based on the specific application and process requirements.

What communication protocol does the sensor array use?

The sensor array uses RS-485, conforming to the TIA/EIA-485 standard, which supports multi-drop industrial networking. This allows multiple sensor nodes to communicate over a single bus, simplifying wiring and integration with control systems.

What are the environmental ratings for the sensor nodes?

The sensor nodes are rated for an operating temperature of -20 to 60 °C and non-condensing humidity of 0 to 95% RH. They have an ingress protection rating of IP65 to IP67 per IEC 60529, making them resistant to hose-down and immersion, suitable for washdown environments.

What materials are used for the wetted parts?

The wetted parts are made of 316L stainless steel (ASTM A240), which is food-grade and corrosion-resistant. Seals and membranes are made of PTFE/Teflon, and the electronics are encapsulated in epoxy resin with silicon microelectronic components.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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