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Portable Hydrogen Sulfide and CO₂ Sensor Analyzer - Top China Suppliers & Factory for Water Testing

This portable, field-deployable device is specifically designed for on-site testing of water sources. As one of the leading suppliers in China, our factory produces high-quality instruments that measure crucial water parameters. This innovative device accurately detects hydrogen sulfide (H₂S), including iodide-oxidized sulfur compounds, and carbon dioxide (CO₂). Perfect for environmental monitoring, this tool ensures efficient and reliable water quality assessment directly at the source. Trust our China-based factory to provide you with exceptional solutions for your water testing needs

    Product Parameters
    Product Name Portable Multi-parameter Water Quality Analyzer ( CO₂+ Ion )
    Model LMS-PA100P
    Range ION: 0 ~ 1000 mg/L
    CO₂: 2000/10000/50000 PPM (other ranges available)
    Accuracy ±5%F.S.
    Power Ion Sensors: DC 9~24V;
    CO₂: DC5V
    Analyzer: Rechargeable lithium battery with 220v to dc charging adapter
    Material Polymer Plastic
    Size 220mm*120mm*100mm
    Temperature Working Conditions 0-50℃
    Storage Temperature -40~85℃
    Cable length 5m, can be extended according to user need
    Product Features
    Multi-Parameter Integrated Detection
    Supports 21-parameter measurement, integrating Ion Selective Detection (23 ions optional, e.g., NH₄⁺, NO₃⁻, K⁺, Ca²⁺) and dissolved CO₂ detection based on the NDIR principle, enabling simultaneous capture of multiple critical water quality indicators to meet comprehensive monitoring needs.
    Advanced Sensing Technology
    The ion sensor adopts the ionic electrode method with a power isolation design for strong data stability; the CO₂ sensor is equipped with a patented optical cavity and dual-channel detector for spatial dual-path reference compensation. Both ensure high detection accuracy (Ion: ±5%F.S., CO₂: ≤±5%F.S.).
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    Easy Integration & Maintenance
    Environmentally friendly design, easily integrable into existing water quality monitoring systems. The ion sensor supports direct immersion installation; the CO₂ sensor is equipped with a detachable protective cover and convection diffusion ventilation design to accelerate gas diffusion and facilitate daily maintenance.
    Multiple Output Modes + Robust Structure
    The ion sensor outputs via RS485 (MODBUS protocol); the CO₂ sensor supports multiple output methods such as UART, IIC, and analog voltage. Both are made of polymer plastics with a waterproof design, suitable for long-term use in multiple environments such as seawater and freshwater.
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    Flexible Calibration + User-Friendly Operation
    The ion sensor supports custom standard solution calibration (forward/reverse curves); the CO₂ sensor has a manual calibration function (MCDL pin) for on-site zero adjustment, with user-friendly operation to lower the usage threshold.
    Flexible Expansion + Plug-and-Play
    In addition to the core parameters of ions and CO₂, other Luminsens series sensors can be freely expanded later without complex modification, achieving plug-and-play to adapt to the dynamic upgrade of monitoring needs.
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    Application
    🐟 Aquaculture Industry (Seawater/Freshwater)

    For various aquaculture scenarios such as fish, shrimp, and shellfish, it monitors harmful ions (e.g., NH₄⁺, NO₃⁻), nutrient ions (e.g., K⁺, Ca²⁺), and dissolved CO₂ concentration in water bodies in real time, precisely regulating the water quality environment to ensure the healthy growth of aquatic organisms. Sensors can be expanded later as needed to adapt to the expansion of aquaculture scale or the addition of new monitoring parameters.

    💧 Comprehensive Water Quality Monitoring Projects

    Applicable to various water bodies such as surface water, groundwater, domestic sewage, and industrial wastewater, it simultaneously detects ion composition (aiding pollution source tracing and water quality category determination) and dissolved CO₂ content (reflecting water body acid-base balance and ecological metabolic status), providing comprehensive data support for water quality compliance assessment and pollution control effect verification, and can be flexibly integrated into existing monitoring systems.

    🏭 Industrial Water Treatment & Environmental Quality Control

    Suitable for water treatment scenarios in industries such as chemical, electronics, and food processing, as well as water quality monitoring in sewage treatment plants. It controls water salinity and pollutant ion content through ion sensors, monitors acid-base adjustment-related parameters during water treatment via CO₂ sensors, and supports the expansion of other functional sensors to build a customized water quality control system to ensure discharge compliance.

    🥤 Food and Beverage Production Quality Control

    Focuses on the production process of carbonated beverages (e.g., Coke, Sprite, etc.), accurately measures the dissolved CO₂ content in products to ensure consistent carbonation taste and stable product quality; meanwhile, it can monitor the mineral ion content in beverages through ion sensors to assist in controlling formula compliance, adapting to the online monitoring needs of production lines.

    🔬 Scientific Research & Ecological Environment Monitoring Projects

    Meets the needs of scenarios such as field research and marine/inland water ecological surveys, focusing on monitoring core ion and CO₂ parameters to support ecological environment change research. With plug-and-play expansion capability, other sensors can be flexibly added according to research directions, helping to ensure the completeness and flexibility of data collection.

    application
    More Products
    Digital RS485 Water Quality Sensors Technical Data
    No. Picture Product Name Model Range Accuracy Resolution
    1 Digital RS4851 DO sensor LMS-DO10B 0-20mg/L, 0-60℃ ±0.1-0.3mg/L 0.01mg/L
    2 Digital RS4852 DO sensor LMS-DO10C 0-20mg/L, 0-60℃ ±0.3mg/L 0.01mg/l
    3 Digital RS4853 Trace DO sensor LMS-TDO100 0-2000ppb, 0-50℃ ±1ppb 1ppb
    4 Digital RS4854 PH sensor LMS-PH100 0-14pH ±0.02pH 0.01pH
    5 Digital RS4854 ORP sensor LMS-ORP100 ±1000.0 mV ±0.2 mV 0.1mV
    6 Digital RS4856 EC/TDS sensor LMS-TDS102 CT: 0-9999uS/cm; 0-100mS/cm; TDS: 0-10000ppm ±2.5%FS 1uS/cm, 0.01mS/cm, 1ppm
    7 Digital RS4857 Salinity/EC/TDS sensor LMS-SAL104 Conductivity: 0.1-500 mS/cm
    TDS: 0-60000ppm
    Salinity: 0-500.00ppt
    ±1.5%FS 1uS/cm, 0.01mS/cm, 1ppm, 0.01ppt
    8 Digital RS4858 COD sensor LMS-COD100 COD: 0.1-1500mg/L
    TOC: 0.1-750mg/L
    BOD: 0.1-900mg/L
    Turbidity: 0.1-4000NTU
    Temp: 0-50℃
    ±5% equiv.KHP
    Temp: ±0.5℃
    0.01mg/L equiv.KHP
    9 Digital RS4859 TSS sensor LMS-TSS100 0-50000mg/L / 0-120000mg/L ±10%FS or 10 mg/L 0.1mg/L or 1mg/L
    10 Digital RS48510 Turbidity sensor LMS-TUR10L 0-100NTU ±10%FS or 0.3 NTU 0.01NTU
    11 Digital RS48510 Turbidity sensor LMS-TUR10H 0-3000NTU ±10%FS or 0.3 NTU 0.01NTU
    12 Digital RS48512 CO2 sensor LMS-CO2100 2000PPM / 10000PPM / 50000PPM ±5%FS 1ppm
    13 Digital RS48513 Ammonia Nitrogen sensor LMS-NH4100 0-1000 mg/L ±5%FS
    14 Digital RS48513 Ion Selective sensor LMS-ION100 0-1000 mg/L ±5%FS
    15 Digital RS48510 Oil in Water sensor LMS-OIL100 0-50 mg/L; 0-5 mg/L ±3%FS 0.01ppm
    16 Digital RS48510 Chlorophyll sensor LMS-CHL100 0-500ug/L ±3%FS 0.1ug/L
    17 Digital RS48510 Blue-Green Algae sensor LMS-BGA100 0-2,000,000 cells/ml ±3%FS
    18 Digital RS48518 Residual Chlorine sensor LMS-HCLO100 0 - 20.00 ppm ±5%FS 0.001 / 0.01ppm
    19 Digital RS48519 Marine Current sensor LMS-Current100 Temperature: -3℃ - 45℃
    Velocity: 0-500 cm/s
    Direction: 0-359.9°
    ±0.05℃
    ±1 cm/s or ±2%
    ±2°
    Temp: 0.001℃
    Velocity: 0.1 cm/s
    Direction: 0.1°
    Water Quality Analyzer Equipment
    No. Picture Product Name Model Size Power Display Output
    20 Digital RS48520 Portable DO Analyzer LMS-PA100 100mm*204mm <0.5W; 7.5V, 5 batteries LCD display screen
    21 Digital RS48521 Multi-parameter Portable Water Analyzer LMS-PA100P 220mm*120mm*100mm Rechargeable lithium battery with 220v to dc charging adapter LCD display screen
    22 Digital RS48522 Multi-parameter Touch-screen Online Analyzer LMS-OA200T 180mm×230mm×100mm AC 220 VAC 7-inch touch screen
    Frequently Asked Questions (FAQ)
    Q What parameters can the LMS-PA100P Portable Multi-parameter Water Quality Analyzer measure simultaneously?
    The LMS-PA100P supports up to 21-parameter measurement. It integrates Ion Selective Detection for 23 optional ions (such as NH₄⁺, NO₃⁻, K⁺, Ca²⁺) and dissolved CO₂ detection using the NDIR principle. Additional Luminsens series sensors can also be expanded via plug-and-play to meet broader monitoring needs.
    Q What is the measurement accuracy of the ion sensor and CO₂ sensor in the LMS-PA100P?
    Both the ion sensor and the CO₂ sensor achieve a measurement accuracy of ±5%F.S. The ion sensor uses the ionic electrode method with power isolation for stable readings, while the CO₂ sensor features a patented optical cavity and dual-channel detector for spatial dual-path reference compensation.
    Q What are the power supply requirements for the LMS-PA100P analyzer and its sensors?
    The ion sensors require DC 9~24V, while the CO₂ sensor operates at DC 5V. The analyzer itself is powered by a rechargeable lithium battery with a 220V to DC charging adapter included, making it suitable for both field and laboratory use.
    Q Is the LMS-PA100P suitable for use in both seawater and freshwater aquaculture environments?
    Yes. The LMS-PA100P is built with polymer plastic housing and a waterproof design, making it suitable for long-term deployment in both seawater and freshwater environments. It is ideal for aquaculture applications monitoring harmful ions, nutrient ions, and dissolved CO₂ to maintain healthy water conditions for fish, shrimp, and shellfish.
    Q How does the calibration process work for the LMS-PA100P?
    The ion sensor supports custom standard solution calibration with both forward and reverse curve options, allowing users to tailor calibration to specific measurement needs. The CO₂ sensor includes a manual calibration function via the MCDL pin for on-site zero adjustment, designed for simple and user-friendly operation to reduce the usage threshold.
    Q Can the LMS-PA100P be integrated into existing water quality monitoring systems, and is it expandable?
    Yes. The LMS-PA100P features an environmentally friendly design for easy integration into existing monitoring systems. The ion sensor supports direct immersion installation and RS485 (MODBUS protocol) output. The CO₂ sensor supports UART, IIC, and analog voltage outputs. Furthermore, other Luminsens series sensors can be added later without complex modifications, achieving true plug-and-play expansion to accommodate evolving monitoring requirements.

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