Environmental Monitoring Instruments
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| Brand | Lihero |
|---|---|
| Model | LFODOR-2016 |
| Detection Principle | Electrochemical, Semiconductor, and PID Sensing |
| Configuration | Fixed Online Installation |
| Sensor Types | NH₃, H₂S, TVOC, Odor Concentration (OUₑ), with Optional Expansion for CH₃SH, CH₃SCH₃, CH₃SSCH₃, CS₂, C₈H₈, (CH₃)₃N |
| Brand | Lihero |
|---|---|
| Model | LFOEC-2018 |
| Measurement Principle | Thermal-Optical Transmittance (TOT) and Thermal-Optical Reflectance (TOR) |
| Compliance | ASTM D7566 Annex C, IMPROVE_A, NIOSH 5040 |
| Detection Range | 0.1–500 µgC/m³ (OC & EC, typical) |
| Sample Medium | Ambient air particulate matter collected on quartz fiber filters |
| Operating Temperature | 10–35 °C |
| Relative Humidity | ≤80% RH (non-condensing) |
| Power Supply | 220 VAC ±10%, 50 Hz |
| Dimensions | 600 × 500 × 700 mm (W×D×H) |
| Weight | ~65 kg |
| Brand | Lihero |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | LFOMS-2012 |
| Pricing | Available Upon Request |
| Brand | Lihero |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | LFOSMS-2017 |
| Pricing | Available Upon Request |
| Brand | Lihero |
|---|---|
| Model | LFS-2002 (LAS) |
| Measurement Principle | Methylene Blue Active Substances (MBAS) Spectrophotometric Method |
| Wavelength | 650 nm ± 2 nm |
| Optical Path | 10 mm quartz cuvette or flow cell |
| Detection Range | 0.05–2.00 mg/L LAS (as MBAS) |
| Resolution | 0.01 mg/L |
| Repeatability | ≤ ±2.0% RSD |
| Calibration | Automatic 2-point calibration with standard reference solutions |
| Cleaning | Programmable automatic rinsing cycle using deionized water |
| Communication Interfaces | RS-232, RS-458, RJ-45 Ethernet |
| Operating System | Real-time embedded Linux |
| Compliance | GB/T 7494–1987, ISO 7875-2:1987, ASTM D2330–18 |
| Brand | Lihero |
|---|---|
| Model | LFS-2002 (NO₂) |
| Measurement Principle | N-(1-Naphthyl)ethylenediamine Dihydrochloride Spectrophotometry (ISO 6775, APHA 4500-NO₂⁻ B) |
| Wavelength | 540 nm ± 2 nm |
| Detection Range | 0–1.0 mg/L NO₂⁻-N (extendable to 0–5.0 mg/L with dilution) |
| Detection Limit | ≤ 0.005 mg/L NO₂⁻-N |
| Accuracy | ±5% of reading or ±0.01 mg/L (whichever is greater) |
| Repeatability | RSD ≤ 3% |
| Sample Volume | 10–50 mL |
| Digestion | High-temperature (120°C), high-pressure sealed digestion module |
| Turbidity & Color Compensation | Real-time dual-wavelength optical correction |
| Calibration Modes | Zero check, span check, standard verification, curve auto-calibration, spike recovery test |
| Data Logging | Internal SD card + RS485/Modbus RTU + optional 4G/ETH remote upload |
| Operating System | Embedded Linux (real-time kernel) |
| Power Supply | 220 VAC ±10%, 50 Hz |
| IP Rating | IP65 (enclosure) |
| Compliance | GB/T 32203–2015, HJ 537–2009, ISO 6775:1984, APHA Standard Methods 4500-NO₂⁻ B |
| Brand | Lihero |
|---|---|
| Model | LFS-2002 (Oil) |
| Measurement Principle | UV Fluorescence |
| Detection Limit | Low (ppb-level typical for UVF oil analyzers) |
| Light Source | Pulsed Xenon Lamp |
| Sample Types | Floating, Dispersed, Emulsified & Dissolved Oil |
| Auto-sampling | Integrated |
| Auto-calibration & Auto-cleaning | Yes |
| Background Correction | Real-time Stray Light Compensation |
| QC Functions | Duplicate Analysis, Standard Verification, Spike Recovery, Event Logging, Alarm Notification |
| Range Switching | Automatic |
| Compliance | Designed per HJ 637–2018 (China), Compatible with ASTM D7678 & ISO 9562 Principles |
| Origin | Hunan, China |
| Distributor Type | Authorized Distributor |
| Brand | Lihero |
|---|---|
| Model | LFS-2002 (COD) |
| Type | Online Analyzer |
| Measurement Principle | Dichromate Oxidation with UV-Vis Photometry |
| Digestion Method | High-Temperature, High-Pressure Acidic Digestion (H₂SO₄ + K₂Cr₂O₇ + Ag₂SO₄ + HgSO₄) |
| Digestion Time | ≤10 min |
| Cycle Time | ~25 min per sample |
| Detection | Dual-Beam Photometric Detection at 600 nm |
| Chloride Interference Mitigation | HgSO₄ Masking |
| Auto-Cleaning | Integrated Post-Analysis Tubing & Digestion Chamber Rinse |
| Self-Diagnostic Sensors | Yes |
| Heating System | Programmable Electric Heating Module |
| Compliance Context | Designed for continuous compliance monitoring per ISO 6060, ASTM D1252, and China HJ/T 399–2007 |
| Brand | Lihero |
|---|---|
| Model | LFS-2002 (CODMn) |
| Type | Online Analyzer |
| Detection Principle | Potassium Permanganate Oxidation Titration (Acidic & Alkaline Methods) |
| Endpoint Detection | Photometric & Potentiometric Titration |
| Chloride Interference Compensation | Automatic Method Switching (Acidic vs. Alkaline) |
| Self-Diagnosis | Integrated Sensor Health Monitoring, Optical Path Auto-Balancing, Reagent Level & Sample Flow Monitoring |
| Calibration & QA/QC | Automated Zero/Span/Standard Verification, Curve Auto-Calibration, Spike Recovery Test |
| Compliance Support | Designed for ISO 8467, ASTM D1253, and GB/T 5750.7–2006 alignment |
| Remote Operation | Modbus TCP, RS485, and Optional OPC UA Integration |
| Operating System | Embedded Real-Time OS |
| Brand | Lihero |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | LFS-2002 Series |
| Instrument Type | Online Analyzer |
| Measurement Principle | UV-Vis Spectrophotometry |
| Detectable Parameters | Total Chromium, Arsenic, Hexavalent Chromium, Mercury, Iron, Manganese, Nickel, Antimony, Silver, Copper, Aluminum, Zinc, Lead |
| Compliance | HJ/T 212–2017 (China Environmental Monitoring Data Transmission Protocol) |
| Communication Interfaces | RS-232, RS-485, RJ-45 Ethernet |
| Safety | Insulation Resistance ≥20 MΩ (between Power Input and Chassis) |
| Control | Remote Operation & Bidirectional Data Exchange |
| Calibration & QC Functions | Standard Sample Verification, Zero/Span Checks, Auto-Curve Calibration, Spike Recovery Test, Automatic Cleaning & Calibration, Range Switching |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(CN) |
| Type | Online Analyzer |
| Measurement Principle | Iso-nicotinic Acid–Barbituric Acid Spectrophotometry |
| Detection Method | Colorimetric Analysis via Chlorine-Driven CN⁻ Conversion to Cyanogen Chloride (CNCl) |
| Sample Pretreatment | Homogeneous Purge-and-Trap with Automatic Interference Removal |
| Detection Limit | Low-ppb Range (Typical for EPA 335.4–Compliant Systems) |
| Calibration Modes | Auto-zero, Span Check, Standard Calibration, Curve Auto-Standardization, Spike Recovery Test |
| Maintenance Functions | Auto-Cleaning, Auto-Calibration, Reagent-Level Monitoring, Optical Path Self-Balancing |
| Connectivity | Remote Control & Data Upload via Modbus/TCP or 4–20 mA Output |
| Compliance Support | Designed for Continuous Emission/Discharge Monitoring per ISO 11290-2, HJ 484–2009, and EPA Method 335.4 Equivalency |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(NH) |
| Measurement Principle | Spectrophotometric Method (Salicylate) |
| Detection Limit | 0.02 mg/L NH₃-N |
| Sample Handling | Online Continuous Monitoring with Optional Steam Distillation Pretreatment |
| Compliance | HJ/T 212–2017 |
| Communication Interface | RS-232 / RS-485 / RJ-45 |
| Power Insulation Resistance | ≥20 MΩ |
| Operating System | Embedded Real-Time OS |
| Auto-Cleaning & Auto-Calibration | Yes |
| Range Switching | Automatic |
| Safety Certification | CE-marked Design per IEC 61010-1 |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(NO₃) |
| Measurement Principle | UV Spectrophotometry at 220 nm and 275 nm |
| Wavelength Accuracy | ±1 nm |
| Detection Range | 0.05–20 mg/L as N (configurable extension available) |
| Detection Limit | ≤0.02 mg/L as N |
| Repeatability | ≤±2% RSD |
| Sample Throughput | 1 sample per 12–15 minutes (including digestion and measurement) |
| Digestion Method | High-Temperature High-Pressure Closed-Vessel Digestion (121 °C, 0.11 MPa) |
| Turbidity & Color Compensation | Dual-wavelength dynamic correction (220/275 nm) |
| Calibration Modes | Zero check, span check, standard calibration, curve auto-standardization, spike recovery test |
| Data Logging | Internal SD card + remote upload via MODBUS TCP / RS485 / 4–20 mA analog output |
| Operating System | Embedded Linux real-time OS |
| Compliance | Designed to meet ISO 7890-3, HJ/T 346–2007, and ASTM D3867–18 requirements for nitrate nitrogen determination in surface water, groundwater, and wastewater |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(Phe) |
| Detection Principle | 4-Aminoantipyrine Spectrophotometry |
| Sample Pretreatment | Integrated Online Steam Distillation + Constant Airflow Stripping |
| Reagent System | Automated Reagent Dispensing with K₃[Fe(CN)₆] Catalyst |
| Detection Wavelength | 510 nm |
| Detection Limit | ≤0.5 µg/L (as phenol) |
| Measurement Range | 0–0.5 mg/L, 0–2 mg/L (auto-ranging) |
| Compliance | Meets HJ 503-2009, ISO 6439:1984, and EPA Method 420.1 |
| Data Output | 4–20 mA analog + Modbus RTU/TCP + Optional OPC UA |
| Remote Control | Web-based HMI & SNMP/HTTP API support |
| Maintenance Cycle | 7–14 days (reagent refill), 30 days (system cleaning) |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(S) |
| Type | Online Analyzer |
| Measurement Principle | Direct Colorimetric Spectrophotometry (H₂S Gas-Phase Derivatization) |
| Detection Method | Acidification–Gas-Phase Transfer–Complexation with Specific Chromogenic Reagent |
| Output Interface | RS232 / RS485 |
| Automation Features | Auto-Cleaning, Auto-Calibration, Auto-Range Switching, Parallel Sample Testing, Standard Spike Recovery, Blank & Calibration Verification |
| Compliance Support | Designed for ISO 10304-1, ASTM D4129, and EPA Method 376.1–compliant water quality monitoring workflows |
| Power Supply | 220 VAC ±10%, 50 Hz |
| Ambient Operating Conditions | 5–40 °C, RH ≤85% non-condensing |
| Enclosure Rating | IP65 |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(TCl) |
| Type | Online Analyzer |
| Measurement Principle | DPD Colorimetric Spectrophotometry at 520 nm |
| Sample Turnaround Time | ≤20 min per analysis |
| Reagent Switching Capability | Residual Chlorine / Total Chlorine / Chlorine Dioxide |
| Calibration Modes | Zero Check, Span Check, Standard Calibration, Curve Auto-Standardization, Spike Recovery Test |
| Self-Diagnostics | Component Failure, Over-Range, Abnormal Data, Reagent/Water Depletion Alarms |
| Maintenance Functions | Automatic Optical Path Balancing, Scheduled Cleaning, Auto-Calibration, Auto-Range Switching |
| Compliance Support | Designed for ASTM D1253, ISO 7393-2, EPA Method 334.0, and GB/T 5750.11–2023 (China National Standard) |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(TN) |
| Measurement Principle | High-Temperature Alkaline Persulfate Oxidation + UV Spectrophotometry (220 nm & 275 nm) |
| Detection Range | 0.05–100 mg/L TN (typical, configurable) |
| Detection Method | A = A₂₂₀ₙₘ − 2 × A₂₇₅ₙₘ |
| 消解条件 | 120–124 °C, ≥0.11 MPa, 30 min |
| Optical System | Dual-Wavelength UV Photometer with Auto-Balanced Optical Path |
| Calibration Modes | Zero Check, Span Check, Standard Calibration, Curve Auto-Standardization, Spike Recovery Test |
| Compliance Support | ASTM D5176, ISO 11908, HJ 636-2012, EPA 351.2 (adapted), GLP/GMP-ready data logging |
| Remote Interface | Modbus TCP/IP, RS485, Optional 4G/LTE Data Upload |
| Operating System | Embedded Linux Real-Time OS |
| Self-Diagnosis | Integrated Sensor Health Monitoring, Reagent Level Sensing, Optical Path Stability Verification, Fault Logging & Cloud Upload |
| Brand | Lihero |
|---|---|
| Model | LFS-2002(TP) |
| Type | Online Analyzer |
| Measurement Principle | Peroxysulfate Digestion + Ascorbic Acid-Molybdate Colorimetry |
| Detection Method | Photometric Absorption at 700 nm |
| Compliance | HJ/T 212–2017, GB 11893–1989 |
| Power Supply Insulation Resistance | ≥20 MΩ |
| Communication Interfaces | RS-232 / RS-485 / RJ-45 |
| Operating System | Embedded Linux |
| Brand | Lihero |
|---|---|
| Origin | Hunan, China |
| Model | LFSZ-2008 |
| Mounting Platform | Vehicle-integrated mobile laboratory |
| Configuration | Modular, fully automated water analysis system |
| Compliance Framework | Designed for ISO/IEC 17025-aligned operational workflows, supports GLP/GMP traceability requirements (audit trail, sample ID logging, QC event recording) |
| Data Transmission | Real-time secure telemetry to central emergency command platforms via 4G/LTE and optional satellite uplink |
| Analytical Scope | >100 water quality parameters including but not limited to pH, conductivity, turbidity, DO, COD, NH₃-N, TN, TP, heavy metals (As, Cd, Pb, Hg, Cr⁶⁺), organic micropollutants (via onboard GC-MS or UV-Vis spectrophotometric modules), and microbial indicators (ATP-based rapid enumeration) |
| Brand | Lihero |
|---|---|
| Model | LFTB-2018 |
| Measurement Principle | Enzyme-Substrate Fluorescence Kinetics |
| Detection Target | Total Viable Bacteria (HPC) in Water |
| Sample Throughput | Continuous Online Monitoring |
| Operational Duration | ≥ 10 Days Unattended |
| Automation Level | Fully Automated Reagent Dispensing, Mixing, and System Self-Cleaning |
| Compliance Context | Designed for EPA Method 1681 / ISO 9308-1 / Standard Methods 9215B Alignment |
| Brand | Lihero |
|---|---|
| Model | LFTColi-2016 |
| Detection Principle | Enzyme-Substrate Method (ONPG/MUG) |
| Detection Target | Total Coliforms and Escherichia coli |
| Detection Limit | 1 MPN/100 mL |
| Analysis Time | 4–18 h (online, incubation-dependent) |
| Operating Temperature Range | 35 ± 0.5 °C (incubation) |
| Sample Turbidity Compensation | Integrated optical turbidity correction |
| Reagent Delivery | Automated, multi-channel peristaltic pumping |
| System Architecture | Modular, dual- or quad-chamber independent incubation units |
| Data Output | RS485/Modbus TCP, optional 4G/LTE remote transmission |
| Compliance Basis | GB/T 5750.12–2023, ISO 9308-1:2014, APHA Standard Methods 9221 |
| Brand | Lihero |
|---|---|
| Model | LFTOX-B2010 |
| Type | Portable Toxicity Analyzer |
| Measurement Principle | Bioluminescent Bacterial Assay (ISO 11348-3) |
| Microorganism | Freeze-dried *Aliivibrio fischeri* (formerly *Vibrio fischeri*) |
| Reconstitution Time | <5 min |
| Shelf Life (lyophilized) | ≥6 months at ≤−20 °C |
| Working Stability (reconstituted) | 7–10 days at 2–8 °C |
| Detection Range | EC50 from 0.1% to 100% sample dilution (equivalent to broad-spectrum toxicity index) |
| Compliance | ISO 11348-3:2022, DIN 38412-30, EPA 600/R-95/125 |
| Brand | Lihero |
|---|---|
| Model | LFTOX-Z2010 |
| Type | Online Toxicity Analyzer |
| Biological Indicator | *Aliivibrio fischeri* (formerly *Vibrio fischeri*), *Vibrio qinghaiensis*, or *Photobacterium phosphoreum* |
| Measurement Principle | Bioluminescence Inhibition Assay |
| Detection Mode | Automatic Sampling → Cell Exposure → Luminescence Quantification → Toxicity Calculation |
| Test Modes | Positive Control / Negative Control / Sample Testing |
| Operational Temperature Range | 15–25 °C (ambient-controlled chamber) |
| Reagent Stability | Lyophilized bacteria stable at ≤−20 °C for ≥6 months |
| Response Time | <15 min (typical EC50 determination) |
| Toxicant Coverage | Broad-spectrum response to >5,000 organic and inorganic toxicants including heavy metals, pesticides, phenols, PAHs, and endocrine disruptors |
| Compliance | Designed to support ISO 11348-3, ASTM D5660, and DIN 38412-L34 protocols |
| Brand | Lihero |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | LFWAMS-2010 |
| Pricing | Available Upon Request |
| Brand | Lihero |
|---|---|
| Model | LFWCS-2008 |
| Origin | Hunan, China |
| Instrument Type | Online Monitor |
| Output Signals | 4–20 mA / RS-485 / RS-232 |
| Probe Cleaning | Automatic brush (turbidity), programmable electrode cleaning interface |
| Diagnostic Capabilities | Electrode aging, membrane fouling/rupture/open-circuit detection |
| Insulation Resistance | ≥20 MΩ (power line to chassis) |
| Conductivity Technology | Four-electrode sensor |
| User Interface | Graphical LCD with intuitive calibration workflow |
| Compliance | Designed for continuous environmental monitoring per Chinese HJ/T 96–2003 and ISO 7027 (turbidity), ISO 5814 (DO), ISO 7888 (conductivity), and ASTM D1293 (pH) |
| Brand | Lihero |
|---|---|
| Origin | Hunan, China |
| Model | LFWGC-2012 |
| Instrument Type | Online Water Quality Analyzer for Volatile Organic Compounds (VOCs) |
| Detection Principle | Gas Chromatography with Purge-and-Trap Preconcentration |
| Detectors | FID (Field-Deployable Flame Ionization Detector), ECD |
| Target Analytes | >30 VOCs including halogenated hydrocarbons, BTEX, aldehydes |
| Sample Volume | 10 mL per analysis |
| Calibration | Integrated Automated Calibration Module |
| Compliance | Designed to meet GB 3838–2002 (China Surface Water Environmental Quality Standards), EPA Method 524.2 & 8260D equivalency |
| Remote Control | Yes |
| Data Logging | Full Process Audit Trail with Event Timestamping |
| Brand | Lihero |
|---|---|
| Model | LFXRF-2019 |
| Measurement Principle | Energy-Dispersive X-ray Fluorescence (ED-XRF) |
| Sample Matrix | PM₂.₅ collected on quartz or Teflon filters |
| Detection Elements | ≥30 elements including Pb, Cr, Cd, As, Cu, Zn, Ni, Mn, Fe, Ca, K, S, Cl, Si, Al, Ti, V, Co, Mo, Sn, Sr, Ba, Rb, Zr, Y, Nb, La, Ce, Nd, Sm |
| Light Element Enhancement | He-purged measurement atmosphere |
| Radiation Safety | Dual-layer lead shielding + interlocked X-ray tube shutdown on door opening |
| Filter Options | 6-position automatic filter wheel |
| Consumables Monitoring | Integrated lifecycle tracking for X-ray tube, detector, and filter tapes |
| Compliance | Meets GB/T 35218–2017, EN 14902:2005, and design-aligned with EPA IO-3.3 and ISO 8778 requirements |
| Power Supply | 220 VAC ±10%, 50/60 Hz |
| Operating Environment | 5–35 °C, 30–80% RH (non-condensing) |
| Brand | Lihero |
|---|---|
| Model | LHFCL-2010 |
| Detection Principle | Optical Scattering (Nephelometry) |
| Measured Parameters | TSP, PM₁₀, PM₂.₅, Wind Speed, Wind Direction, Ambient Temperature, Relative Humidity, Atmospheric Pressure, Rainfall |
| Installation Type | Outdoor Fixed-Station |
| Compliance | Designed to meet Chinese HJ 653–2013 and HJ 93–2013 technical requirements for particulate matter monitoring instruments |
| Data Output | RS485 / 4–20 mA / GPRS / NB-IoT / Ethernet |
| Environmental Rating | IP65 |
| Operating Temperature | −20 °C to +50 °C |
| Power Supply | AC 220 V ±10% or DC 12 V (with solar option) |
| Brand | Lihero |
|---|---|
| Model | LHNM-300 |
| Compliance | IEC 61672-1:2013 (Class 1), IEC 61252:2017, IEC 61260-1:2014 (1/1 & 1/3-octave), GB/T 3785.1–2010, GB/T 15952–2010, GB/T 3241–2010 |
| Measurement Modes | Simultaneous outdoor monitoring, 1/1-octave band, and 1/3-octave band analysis |
| Data Outputs | L<sub>Aeq</sub>, L<sub>AFmax</sub>, L<sub>AE</sub>, L<sub>An</sub> (e.g., L<sub>10</sub>, L<sub>50</sub>, L<sub>90</sub>), SEL, noise dose |
| Power Supply | Integrated UPS with charge/discharge protection |
| Environmental Rating | IP65 enclosure |
| Communication | RS485 (Modbus RTU), Ethernet, 4G LTE, optional NB-IoT |
| Local Display | Optional high-brightness LED screen (operable at –20 °C to +60 °C) |
| Mounting | Pole-mountable, single-person installation |
| Brand | Lihero |
|---|---|
| Model | LHPM-2012 |
| Origin | Hunan, China |
| Measurement Principle | Beta-ray Absorption (β-ray) |
| Compliance Basis | Equivalent to Gravimetric Method per Chinese National Standards (e.g., HJ 653–2013, HJ 93–2013) |
| PM Fraction Capability | PM₁₀ and PM₂.₅ (with optional size-selective inlets) |
| Operating Autonomy | >90 days unattended |
| Calibration Frequency | Automatic hourly zero/span check |
| Environmental Tolerance | High-humidity operation supported |
| Flow Control | Precision mass flow controller with user-definable setpoint |
| Radiation Source | Low-energy ¹⁴C beta emitter (activity compliant with national regulatory limits for Class V sealed sources) |