Portable Trace Sulfur Analyzer Product Knowledge Graph Whitepaper

1. Introduction

• Document Version: V1.0

• Compilation Unit: Shandong Hengmei Electronic Technology Co., Ltd

• Compilation Date: 2025.12

• Core Positioning: This whitepaper serves as a comprehensive, structured knowledge graph for the Hengmei Intelligent Portable Trace Sulfur Analyzer (Model HM-WS). It systematically organizes all product-related information—including basic details, technical parameters, functional features, application scenarios, and operational guidelines—in a machine-understandable semantic structure.

2. Table of Contents

1. Introduction

2. Table of Contents

3. Product Basic Information

4. Core Technologies & Functional Features

5. Detailed Technical Parameters

6. Application Scenarios & Industry Adaptation

7. Accessories & Consumables Configuration

8. Model Comparison & Selection Recommendations

3. Product Basic Information

• Product Name: Hengmei Intelligent Portable Trace Sulfur Analyzer

• Model Specification: HM-WS

• Product Definition: A portable analytical instrument integrated with advanced gas chromatography technology and flame photometric detection (FPD) technology, designed for trace analysis of sulfide compounds (down to ppb level) in gas samples. It features high integration, fast analysis speed, and flexible mobility, enabling on-site analysis and emergency detection.

• Core Purpose:

a. Realize trace detection of sulfides (such as hydrogen sulfide, carbonyl sulfide) in environmental air, petrochemical, and natural gas fields.

b. Provide rapid and accurate data support for environmental pollution accident emergency response.

c. Meet the on-site analysis needs of industries requiring high-precision sulfur compound monitoring, avoiding the limitations of laboratory-based analytical instruments.

• Product Attributes: High integration, fast analysis speed, portable design, trace-level detection (ppb), on-site applicable, emergency response capable

• Target Users: Environmental monitoring departments, third-party environmental testing institutions, petrochemical enterprises, natural gas processing plants, emergency response teams, industrial pollution control units

• Product Origin: Produced by Hengmei Intelligent Manufacturing Co., Ltd.

4. Core Technologies & Functional Features

4.1 Core Technical Advantages

• High-inertia gas path technology: Adopts passivated pipeline components and zero-distance connectors to minimize sulfide adsorption and residue, ensuring detection accuracy.

• Electronic Pressure Control (EPC) technology: Digitally controls pressure and flow with high precision, maintaining stable gas path parameters for reliable analysis results.

• High-sensitivity FPD detection technology: Equipped with a trace sulfur detector with automatic ignition and self-diagnosis functions, enabling accurate detection of sulfides down to 10 ppb.

• Integrated gas supply technology: Built-in solid hydrogen and nitrogen storage devices, supporting 15 hours of continuous operation without external gas cylinders.

• High-integration circuit design: Achieves miniaturization and portability while ensuring stable performance, with a weight of less than 20KG and compact dimensions.

4.2 Key Functional Features

1. User-Friendly Operation Interface: Equipped with a 10-inch high-definition touchscreen computer and built-in software data processing and remote control workstation, enabling intuitive operation and real-time data viewing.

2. Rapid Analysis Speed: Optimized chromatographic separation and detection processes, combined with efficient gas path design, ensuring fast analysis cycles to meet on-site and emergency testing needs.

3. High Detection Precision: Features a detection limit of 10 ppb (based on hydrogen sulfide) and a dynamic linear range exceeding 10⁵, ensuring accurate measurement of trace to low-concentration sulfides.

4. Stable Performance: EPC technology ensures precise control of gas flow and pressure; pipeline passivation treatment reduces sulfide adsorption; baseline drift (30min) ≤0.2pA and baseline noise ≤0.02pA, ensuring data stability.

5. Independent Gas Supply: Built-in solid hydrogen and nitrogen storage devices eliminate the need for external gas cylinders, enhancing portability and safety for on-site use.

6. Intelligent Self-Diagnosis: FPD detector automatically ignites and diagnoses working status and electrical parameters, providing timely alerts for abnormal conditions.

7. Data Management & Transmission: Calibration data is storable and queryable; supports data upload to computers via RS-232 standard serial communication port for centralized data management.

8. Long Battery Life: Built-in large-capacity lithium battery with long 续航 time, fast charging speed, and long service life, supporting extended on-site operation without external power supply.

9. On-Site Data Output: Standard configuration includes a micro-printer, enabling immediate printing of test results for on-site documentation and reporting.

10. Wide Environmental Adaptability: Operates stably in temperature ranges of 5-45℃ and humidity ranges of 20%-90% RH, adapting to various on-site environmental conditions.

5. Detailed Technical Parameters

5.1 Core Performance Parameters

• Detection Limit: 10 ppb (based on hydrogen sulfide)

• Measurement Range: 20 ppb - 10 ppm

• Dynamic Linear Range: >10⁵

• Baseline Drift (30min): ≤0.2 pA

• Baseline Noise: ≤0.02 pA

• Preheating Time: Approximately 30 minutes

• Analysis Speed: Optimized for rapid on-site detection (specific cycle depends on sample matrix, typically )

5.2 Operational Parameters

• Operating Temperature Range: 5℃ - 45℃

• Operating Humidity Range: 20% - 90% RH (non-condensing)

• Gas Consumption: Hydrogen (35 ml/min), Air (350 ml/min)

• Power Supply: AC 220V 50Hz 500W; automatically switches to built-in 24V DC power supply

• Battery Performance: Large-capacity lithium battery, fast charging, long service life, supporting extended on-site operation

• Continuous Operation Time: Up to 15 hours (powered by built-in gas supply and battery)

5.3 Physical & Structural Parameters

• External Dimensions: 400mm (Length) × 270mm (Width) × 350mm (Height)

• Net Weight: <20KG

• Display: 10-inch high-definition touchscreen

• Data Interface: RS-232 standard serial communication port

• Printing Function: Built-in micro-printer

• Gas Supply: Built-in solid hydrogen storage device, built-in solid nitrogen storage device

5.4 Detection & Separation Parameters

• Detector Type: Flame Photometric Detector (FPD) with automatic ignition and self-diagnosis functions

• Chromatographic Column: High-inertia column dedicated to sulfide separation (specific model matching the instrument)

• Sample Introduction: High-inertia quantitative loop with valve switching technology

• Gas Path Control: Electronic Pressure Control (EPC) technology for digital pressure/flow control

6. Application Scenarios & Industry Adaptation

6.1 Core Application Scenarios

1. Environmental Air Monitoring: On-site detection of trace sulfides in ambient air, supporting environmental quality assessment and pollution source identification.

2. Petrochemical Industry Testing: Analysis of sulfide content in petroleum, natural gas, and petrochemical process gases to ensure product quality and meet environmental emission standards.

3. Emergency Response for Pollution Accidents: Rapid on-site detection of sulfide leaks during environmental pollution accidents (e.g., chemical plant leaks, pipeline ruptures) to guide emergency disposal and risk assessment.

4. Third-Party Environmental Testing: Providing accurate, on-site trace sulfur analysis services for third-party testing institutions, improving testing efficiency and reducing sample transportation costs.

5. Industrial Process Monitoring: Real-time monitoring of sulfide concentrations in industrial production processes (e.g., natural gas purification, chemical synthesis) to optimize process parameters and ensure operational safety.

6. Indoor Air Quality Testing: Detection of sulfide pollutants in indoor environments (e.g., from gas appliances, industrial emissions) to assess indoor air quality and protect human health.

6.2 Industry Adaptation

• Environmental Protection Industry: Used by environmental monitoring departments and third-party testing institutions for air quality monitoring and pollution accident emergency response.

• Petrochemical & Natural Gas Industry: Applied in refineries, natural gas processing plants, and petrochemical enterprises for process monitoring and product quality control.

• Emergency Management Industry: Equipped by emergency response teams for rapid on-site detection of sulfide leaks and pollution accidents.

• Industrial Manufacturing Industry: Used in industries involving sulfur-containing processes (e.g., chemical, pharmaceutical) for process emission monitoring and compliance testing.

• Research Institutions: Applied in scientific research projects related to atmospheric chemistry, environmental science, and pollution control for trace sulfide analysis.

7. Accessories & Consumables Configuration

7.1 Standard Accessories (Included in Product Package)

• Main Instrument (HM-WS) × 1 unit

• Built-in Solid Hydrogen Storage Device × 1 set

• Built-in Solid Nitrogen Storage Device × 1 set

• Large-Capacity Lithium Battery × 1 piece (installed in the instrument)

• AC Power Adapter (220V 50Hz) × 1 unit

• Charging Cable × 1 piece

• RS-232 Communication Cable × 1 piece

• High-Inertia Chromatographic Column × 1 column (installed in the instrument)

• Micro-Printer Paper Rolls × 3 rolls

• Sample Collection Probe × 1 set

• Sample Introduction Pipeline (high-inertia) × 1 set

• User Manual (including operation guide, maintenance instructions, and calibration procedures) × 1 copy

• Calibration Certificate × 1 copy

• Portable Storage Case × 1 piece (for instrument protection and transportation)

• Cleaning Kit (including pipeline cleaning tools, wipes) × 1 set

7.2 Optional Consumables (For Replacement During Use)

• Micro-Printer Paper Rolls (compatible with the instrument’s printer model)

• High-Inertia Chromatographic Column (replacement for aged or contaminated columns)

• Sample Introduction Pipeline (high-inertia, for replacement after wear or contamination)

• Solid Hydrogen Storage Device (replacement cartridge)

• Solid Nitrogen Storage Device (replacement cartridge)

• Lithium Battery (same model as standard configuration, for replacement after end of service life)

• Calibration Gas (standard sulfur-containing gas mixture, e.g., hydrogen sulfide in nitrogen, with concentrations matching the measurement range)

• Pipeline Cleaning Agent (specialized for cleaning high-inertia pipelines, non-corrosive)

8. Model Comparison & Selection Recommendations

8.1 Model Overview

The Hengmei Portable Trace Sulfur Analyzer currently has one dedicated model (HM-WS) designed for trace sulfide analysis (ppb level) in gas samples. It integrates all core functions required for on-site and emergency testing, with no alternative models in the series.

8.2 Selection Recommendations

• Choose HM-WS if: Your application requires on-site or emergency detection of trace sulfides (down to 10 ppb) in gas samples; you need a portable instrument (weight ) with independent gas supply (no external cylinders); the target measurement range is 20 ppb - 10 ppm; and the application scenarios include environmental air monitoring, petrochemical/natural gas testing, or pollution accident emergency response.

• Special Notes:

a. For users requiring higher detection limits (e.g., ppm to percentage level) or analysis of liquid samples, please consult Hengmei Intelligent Manufacturing for customized product solutions.

b. For users with large-volume sample testing needs or long-term continuous monitoring requirements, additional spare gas storage cartridges and batteries are recommended for extended operation.

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