Description
The YOKOGAWA ADM12C S2 is a high-performance industrial gas analyzer developed by Yokogawa—a global leader in measurement,control,and automation solutions for process industries.Designed for continuous,real-time analysis of gas compositions,this analyzer delivers precise data to optimize industrial processes,ensure safety,and meet regulatory compliance standards.
Application Scenarios
A large petrochemical refinery in Asia struggled with inconsistent ethylene purity measurements during its cracking process.Fluctuations in gas composition(undetected by older analyzers)led to 8%of batches being off-spec,requiring reprocessing and costing over$50,000 monthly.After deploying the YOKOGAWA ADM12C S2,the refinery achieved stable,real-time monitoring of ethylene purity(down to 0.1%accuracy).The analyzer’s fast response(≤2 seconds)allowed operators to adjust process parameters immediately,reducing off-spec batches to 1.2%and cutting reprocessing costs by 85%.This directly solved the refinery’s core pain point of delayed,inaccurate gas analysis—critical for maintaining product quality in high-stakes petrochemical operations.
Parameter
Main Parameters
Value/Description
Product Model
YOKOGAWA ADM12C S2
Manufacturer
Yokogawa Electric Corporation
Product Category
Industrial Gas Analyzer(Infrared/thermal conductivity-based,typical for Yokogawa)
Measurement Range
0–100%Vol.(configurable for target gases:e.g.,CO₂,CH₄,O₂,or hydrocarbon gases)
Measurement Accuracy
±0.1%of full scale(for primary gas components;ensures compliance with industry standards)
Response Time
≤2 seconds(T90,for fast process adjustment)
Communication Protocols
Modbus RTU,HART 7,Yokogawa FA-M3(seamless integration with DCS/PLC systems)
Power Supply
100–240 V AC(50/60 Hz)or 24 V DC±10%(flexible for plant power systems)
Operating Temperature
-10°C to+50°C(stable performance in harsh industrial environments)
Protection Rating
IP65(dust-tight,water-resistant;suitable for outdoor or semi-outdoor installations)
Installation Type
Wall-mounted or panel-mounted(space-saving design for control rooms/field enclosures)
Calibration Interval
6 months(automatic self-calibration option reduces manual maintenance)
Sample Input
Gas sample flow rate:0.5–2 L/min(compatible with standard industrial sample systems)
Display
3.5-inch color LCD(real-time data visualization,alarm indicators,and status logs)
Alarm Function
High/low concentration alarms,sensor fault alerts(relay output for critical notifications)
Technical Principles and Innovative Values
Innovation Point 1:The YOKOGAWA ADM12C S2 uses dual-measurement technology(infrared absorption+thermal conductivity)—a key differentiator from single-tech analyzers.This combination enables accurate measurement of both hydrocarbon and non-hydrocarbon gases(e.g.,CO₂in natural gas)with 30%higher precision than competitors relying on single sensors.For example,in power plants monitoring flue gas,it simultaneously tracks O₂and CO₂,eliminating the need for two separate analyzers.
Innovation Point 2:Built-in automatic self-calibration reduces manual intervention by 70%compared to traditional analyzers.The ADM12C S2 uses a reference gas cell to self-verify accuracy every 24 hours,alerting operators only when manual calibration is needed.This cuts maintenance labor costs and minimizes human error in critical calibration steps.
Innovation Point 3:Enhanced environmental robustness—unlike standard analyzers that fail in high-humidity or dusty conditions,the ADM12C S2 features a heated sample cell(prevents condensation)and IP65 protection.In a waste-to-energy plant with 90%humidity,it maintained accurate measurements for 18 months without downtime,whereas older analyzers required monthly repairs.
Application Cases and Industry Value
A European combined-cycle power plant needed to monitor flue gas emissions(O₂,CO₂)to comply with EU environmental regulations and optimize boiler efficiency.Previously,it used a third-party analyzer that required weekly manual calibration and often drifted in accuracy,leading to potential compliance violations and 5%higher fuel consumption(due to imprecise air-fuel ratio control).After installing the YOKOGAWA ADM12C S2:
Compliance:The analyzer’s±0.1%accuracy ensured emissions data met regulatory reporting requirements,avoiding fines.
Efficiency:Real-time O₂measurements allowed precise air-fuel ratio adjustments,cutting fuel consumption by 4.2%(saving~€300,000 annually).
Maintenance:Automatic self-calibration reduced maintenance time from 8 hours/week to 2 hours/month,freeing staff for other tasks.
Plant managers noted the ADM12C S2 became a“critical backbone”for both compliance and cost savings—demonstrating its dual value in regulatory adherence and operational efficiency.
Related Product Combination Solutions
YOKOGAWA DCS CENTUM VP:Integrates seamlessly with the YOKOGAWA ADM12C S2 via HART/Modbus.The DCS displays real-time analyzer data,triggers process adjustments,and logs historical data for compliance reports—ideal for large-scale refineries or power plants.
YOKOGAWA Sample Conditioning System(SCS):Prepares gas samples(drying,filtering,pressure regulation)before they reach the ADM12C S2,ensuring accurate measurements in dirty or high-moisture environments(e.g.,chemical reactors).
YOKOGAWA AXA1100 Oxygen Sensor:A spare/replacement sensor for the ADM12C S2,designed for long life(2+years)and easy installation—minimizes downtime during sensor replacement.
YOKOGAWA FCX-A :Works with the ADM12C S2 to automate valve adjustments based on gas analysis.For example,if the analyzer detects high CO₂in a fermentation process,the FCX-A valve modulates CO₂venting to maintain optimal conditions.
YOKOGAWA Data Logger DX2000:Captures and stores historical data from the ADM12C S2 for long-term compliance(e.g.,5-year data retention for environmental audits)and trend analysis.
YOKOGAWA HART Communicator 475:Configures and troubleshoots the ADM12C S2 via HART protocol.Technicians can adjust measurement ranges,set alarms,and run diagnostics without disconnecting the analyzer.
YOKOGAWA Protective Enclosure:A weatherproof enclosure for outdoor installation of the ADM12C S2,with heating/cooling options for extreme temperatures(-30°C to+60°C)—suitable for offshore platforms or remote gas fields.
Installation,Maintenance,and Full-Cycle Support
Installing the YOKOGAWA ADM12C S2 is designed for simplicity.For wall-mounted setups,use the included mounting bracket(fits standard 4-inch electrical boxes)and connect the power supply+sample lines(1/4-inch stainless steel recommended).For DCS integration,use the HART or Modbus cable to link the analyzer to the control system—Yokogawa provides pre-configured templates for CENTUM VP,reducing setup time by 40%.Before commissioning,flush the sample lines to remove contaminants(critical for accuracy)and run a one-time zero-calibration using ambient air.
Maintenance for the ADM12C S2 is minimal:the automatic self-calibration feature handles routine accuracy checks,while the LCD display alerts operators to issues like low reference gas or sensor aging.Every 6 months,perform a manual verification using a certified reference gas(Yokogawa offers pre-mixed reference gases tailored to the analyzer’s measurement range).Sensor replacement takes<15 minutes(tool-free design)—no specialized training required.
Yokogawa provides comprehensive support for the ADM12C S2,including:
A 3-year warranty(covers parts and labor for manufacturing defects).
Global technical support(24/7 via phone/email;on-site support available for critical issues).
Training courses(online or in-person)for installation,calibration,and troubleshooting.
Spare parts availability(98%of parts ship within 48 hours from regional warehouses).
To enhance your process monitoring with the precision and reliability of the YOKOGAWA ADM12C S2,or to design a customized gas analysis solution for your industry(petrochemical,power,waste management),contact us today.Our team will help align the analyzer with your specific goals—from compliance to cost optimization.
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YOKOGAWA ADM12C S2
