Water Quality Analyzer
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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DGB-480 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Colorimetry |
| Detection Parameters | Turbidity, Color, Transmittance Ratio, Ozone, Nitrite Nitrogen, Urea, Hexavalent Chromium, Manganese, Total Nitrogen, Nitrate Nitrogen, Nitrate, Formaldehyde, Water Hardness, Zinc, Nitrite, Free Chlorine, Total Chlorine, Chlorine Dioxide, Permanganate Index, Low-Concentration COD<sub>Cr</sub>, High-Concentration COD<sub>Cr</sub>, Cadmium, Ammonia Nitrogen, Ammonium Ion, Total Phosphorus, Total Phosphate, Nickel, Ferrous Ion, Iron, Sulfite |
| Measurement Range | Ammonia Nitrogen 0.03–10.00 mg/L |
| Repeatability | ≤0.5% |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DX-02 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Digestion Capacity | 32 positions |
| Temperature Range | 45–185 °C |
| Temperature Accuracy | ±0.1 °C |
| Temperature Display Error | ±2 °C |
| Temperature Uniformity | ≤2 °C |
| Digestion Time Range | 0–480 min |
| Time Display Error | ±2% |
| Tube Diameter | φ16 mm |
| Power Supply | 100–240 V AC, 50/60 Hz |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions (W×D×H) | 240×360×180 mm |
| Weight | ~5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZB-712 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measured Parameters | pH (−2.00–20.00), mV (−2000.0–2000.0) |
| Repeatability | pH ≤ ±0.01 pH |
| IP Rating | IP65 |
| Built-in Modules | pH/pX, Conductivity, Dissolved Oxygen (DO) |
| Temperature Compensation | Automatic (℃/°F selectable) |
| Data Storage | 500 sets per parameter |
| Compliance | GLP-compliant data traceability |
| Interface | USB, RS-232 |
| Power | Rechargeable Li-ion battery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DZB-712 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH/pX, Conductivity, Dissolved Oxygen, Temperature, TDS, Salinity, Resistivity, ORP (mV), DO Saturation |
| IP Rating | IP65 |
| Display | High-Resolution LCD |
| Power | Rechargeable Li-ion Battery (DC5V input compatible) |
| Dimensions | 80 × 235 × 42 mm |
| Weight | 0.4 kg |
| Calibration | Auto-recognized standard buffers (GB/DIN/NIST), 1–5-point pH/pX |
| Data Storage | 500 sets per parameter group |
| Compliance | GLP-compliant data traceability, audit-ready metadata (timestamp, electrode ID, calibration history, operator ID) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | DZB-712F |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, Conductivity, Dissolved Oxygen (DO) |
| IP Rating | IP65 |
| Display | High-resolution color LCD touchscreen |
| Power | Rechargeable lithium battery (DC5V input via AC adapter) |
| Dimensions | 90 × 258 × 42 mm |
| Weight | 0.5 kg |
| Data Storage | 1000 datasets per parameter group |
| Compliance | GLP-compliant data logging with audit trail support |
| Connectivity | USB port for PC/LIMS integration |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DZB-715 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Water Temperature, pH/ORP, Conductivity/Salinity, Dissolved Oxygen, Depth |
| Display | 3.5" TFT Color Touchscreen |
| IP Rating | IP67 |
| Battery | Rechargeable Lithium-ion |
| Standard Cable Length | 10 m (customizable up to 100 m) |
| Data Storage | 5000 measurement sets |
| GPS | Optional |
| GPRS Transmission | Optional |
| Interface | USB, RS485 |
| Calibration | Single-point or multi-point, GLP-compliant |
| Operating Depth | Up to 10 m |
| Dimensions | 230 × 90 × 55 mm |
| Weight | 0.33 kg |
| Accuracy | pH ±0.10 pH |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZB-718L |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Parameters | pH, pX (Ion Selective Electrode), ORP, Ion Concentration, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Calibration Support | Up to 8-point pH calibration with auto-recognition of GB, DIN, NIST, Merck, and JIS buffers |
| Electrode Management | Up to 5 electrodes per type (pH, ion-selective, conductivity, DO) |
| Data Storage | 1000 datasets per parameter module, GLP-compliant |
| Display | 4.3-inch TFT capacitive touch screen |
| Connectivity | USB interface for PC communication and firmware updates |
| Language Options | English and Chinese |
| Temperature Compensation | Manual and automatic (for pH, conductivity, DO) |
| [Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Portable/HANDHELD Water Quality Analyzer |
| Measurement Parameters | pH, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), Temperature |
| Accuracy Class | pH/pX: 0.001-grade |
| Conductivity/Resistivity/TDS/Salinity | 0.5-grade |
| DO | ±0.30 mg/L (≤20.00 mg/L), ±10.0% (>20.00 mg/L) |
| Temperature | ±0.3 °C (0–60 °C), ±1.0 °C (other ranges) |
| Display | High-resolution color LCD touchscreen with bilingual (English/Chinese) UI |
| Protection Rating | IP65 |
| Power Supply | Rechargeable lithium-ion battery |
| AC adapter input | 100–240 V AC, output: 5 V DC |
| Dimensions & Weight | 90 × 255 × 40 mm, 0.5 kg] |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DZB-718L-G |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH / pX, Ion Concentration, mV, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO), DO Saturation, Temperature |
| [Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Laboratory-Based Water Quality Analyzer |
| Model | DZS-706F |
| Measurement Parameters | pH/pX, Redox Potential (mV), Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Compliance | GLP-compliant data management with audit trail support |
| Connectivity | RS-232 serial port (printer-ready), USB 2.0 (PC communication) |
| IP Rating | IP54 |
| Display | Color high-resolution LCD |
| Data Storage | 500 datasets per parameter group |
| Calibration | Auto-recognition of GB/DIN/NIST buffers |
| Temperature Compensation | Automatic (pH, conductivity, DO), manual salinity compensation for DO |
| Electrode Support | Tri-combination pH electrode, composite conductivity cell (k = 1.0 cm⁻¹), polarographic DO sensor] |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | DZS-706F |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Spectrophotometry (for COD, TP, TN, NH₃-N) + Electrochemical Sensing (pH/pX, Conductivity, Dissolved Oxygen) |
| Measured Parameters | Total Phosphorus (TP), Low-Range COD (5–200 mg/L), High-Range COD (200–2000 mg/L), Total Nitrogen (TN), Ammonia Nitrogen (NH₃-N), pH, mV, Ion Concentration, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Measurement Ranges | TP: 0.01–20 mg/L |
| COD (Low) | 5–200 mg/L |
| COD (High) | 200–2000 mg/L |
| TN | 0.1–100 mg/L |
| NH₃-N | 0.02–50 mg/L |
| Repeatability | ≤ ±5% |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZS-708L |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Electrochemical Sensing |
| Measured Parameters | pH, ORP, mV, pX, Ion Concentration, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO) Concentration & Saturation, Temperature |
| Measurement Ranges | pH: −2.000–20.000 |
| pX | 0.000–14.000 |
| ORP | ±1999.99 mV |
| Ion Concentration | 0–19990 (units selectable: pX, mol/L, mmol/L, g/L, mg/L, µg/L) |
| Repeatability | pH/pX ≤ ±0.002 |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Model | DZS-708T |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measurable Parameters | pH, Conductivity, Dissolved Oxygen (DO), Ion Concentration (e.g., Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻) |
| Measurement Ranges | pH/pX: (0.000–14.000) |
| DO | (0.00–50.00) mg/L |
| Repeatability | ±3% |
| IP Rating | IP54 |
| Compliance | GLP, GMP-supportive data integrity architecture |
| Connectivity | RS-232, USB, LIMS-compatible, optional autosampler interface |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DZS-708T |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | pH, Conductivity, Ion Concentration (Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻, etc.), Dissolved Oxygen (DO), ORP, TDS, Salinity, Resistivity, Ash Content (White Sugar & HFCS), Temperature |
| Accuracy Class | pH/pX: 0.001-grade |
| Conductivity | 0.5-grade |
| Measurement Ranges | pH (-2.000–20.000) |
| Resolution | pH/ pX: 0.001 |
| mV | 0.01 |
| Conductivity | 0.001 μS/cm (auto-ranging) |
| DO | 0.01 mg/L |
| Temp | 0.1 °C |
| Key Compliance | GLP-compliant data management, FDA 21 CFR Part 11-ready audit trail (via software configuration), GMP-aligned user permission hierarchy and operation logging |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic Lab-Based Water Quality Analyzer |
| Model | DZS-708TP |
| Price Range | USD 1,400–4,200 (FOB) |
| Instrument Type | Benchtop Multiparameter Laboratory Analyzer |
| Measured Parameters | pH, pX (Ion Concentration), ORP, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Display | 7-inch HD Color TFT Touchscreen |
| IP Rating | IP54 |
| Compliance | GLP, GMP (21 CFR Part 11-ready audit trail), ISO/IEC 17025-supportive data management |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDY-502 |
| Instrument Type | Benchtop Karl Fischer Coulometric & Volumetric Moisture Titrator |
| Measurement Principle | Coulometric and Volumetric Karl Fischer Titration |
| Measurable Parameters | Water Content |
| Measurement Range | 0.1 mg – 250 mg H₂O |
| Repeatability | ±0.5% RSD |
| Data Storage Capacity | 200 measurement records |
| Compliance | GLP-compliant data handling |
| Interface | USB + RS232 |
| Software Support | Dedicated PC control software with audit trail capability |
| Safety Features | Anti-spill titration cup, reagent containment system, anti-siphon waste bottle, automated reagent mixing and rinsing |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model | ZDY-504 |
| Pricing | Available Upon Request |
| Instrument Type | Portable Karl Fischer Coulometric & Volumetric Titrator |
| Measurement Range | 0.1 – 250.0 mg H₂O |
| Repeatability | ≤0.5% RSD |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LH-E300 |
| Instrument Type | Benchtop & Portable Laboratory Water Quality Analyzer |
| Measured Parameters | pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, Total Dissolved Solids (TDS), Oxidation-Reduction Potential (ORP), Temperature, and Ion Concentrations (F⁻, Cl⁻, Br⁻, I⁻, Ca²⁺, K⁺, Na⁺, NO₃⁻, NH₄⁺) |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | LH-P300 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP), Total Nitrogen (TN), Turbidity, Color, Suspended Solids (SS), Heavy Metals, Organic & Inorganic Pollutants |
| Light Sources | 6 LED sources in visible spectrum (420–650 nm) |
| Wavelength Options | 16 mm and 25 mm cuvette compatibility |
| Power Supply | Rechargeable 3.7 V Li-ion battery |
| Battery Life | Up to 8 hours under typical field conditions |
| Data Storage | 40,000 measurement records |
| Connectivity | Bluetooth v5.0, USB-C interface |
| Calibration | Built-in 180 preloaded calibration curves |
| Compliance Standards | COD – HJ/T 399–2007, NH₃-N – HJ 535–2009 & HJ 536–2009, TP – GB 11893–1989 & GB/T 21931.3–2008 |
| Enclosure Material | High-strength ABS polymer |
| Weight | 0.6 kg |
| Display Interface | Analog-style dial UI with real-time color-coded threshold indication (red alert for out-of-range values) |
| Optional Accessories | Bluetooth thermal line printer, pre-filled reagent tubes, sealed digestion tubes, cooling rack, cuvette holder, adjustable-volume pipette, adapter set |
| Brand | Lianhua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | LH-P700 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | COD (HJ/T 399–2007), Ammonia Nitrogen (HJ 535–2009), Total Phosphorus (GB 11893–1989), Total Nitrogen, Turbidity, Color, Suspended Solids |
| Operating System | Proprietary LHOS (Android-based) |
| Optical System | 360° Rotating Cuvette Holder for φ16 mm and φ25 mm Tubes |
| Data Management | Cloud Upload (Lianhua Cloud), Local Database Integration, Audit-Trail Capable User Permissions |
| Field Imaging | Integrated Camera with Geotagged Photo Association to Measurement Records |
| Alerting | Configurable Threshold-Based Exceedance Warnings |
| Brand | Lianhua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | 5B-6C |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP) |
| Optical Source | Long-life Cold Light Source with Narrow-band Interference Filter |
| Temperature Control Range | 45–190 °C |
| Timer Range | 1–600 min |
| Calibration Curves Stored | 48 pre-programmed & user-defined curves |
| Data Storage Capacity | 1,000 measurement records |
| Display | Backlit LCD with Chinese UI and bilingual key labeling |
| Cuvette Compatibility | Supports both 10-mm square cuvettes and 16-mm round test tubes |
| Output | Integrated thermal printer for real-time and historical data export |
| Auto-Curve Generation | Capable of automatic calibration curve derivation from standard solutions |
| Interface | Dual-font display mode (large/small), programmable alarm prompts for temperature stabilization and countdown completion |
| Brand | LoHAN |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LH-E200 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | COD (Chemical Oxygen Demand), Ammonia-Nitrogen (NH₃-N), Conductivity, pH, ORP (Oxidation-Reduction Potential), Dissolved Oxygen (DO), Turbidity, Phycocyanin (Cyanobacteria), Chlorophyll-a, Suspended Solids (SS), Total Dissolved Solids (TDS), Salinity, Temperature |
| Brand | LoHAN Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | 5B-6C(V12) |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP), Total Nitrogen (TN), Turbidity, Color, Suspended Solids (SS) |
| Optical System | Dual-path interference-free photometric system supporting both cuvette and tube colorimetry |
| Integrated Digestion Unit | Yes, with intelligent temperature ramping, programmable timing, and thermal overprotection |
| Display | 5.6-inch full-color capacitive touchscreen |
| Data Storage Capacity | 16,000 measurement records |
| Connectivity | USB port + infrared data transmission |
| Built-in Thermal Printer | Yes |
| Calibration | Automated standard curve generation and storage using certified reference standards |
| Compliance | HJ/T 399–2007 (Rapid Digestion Spectrophotometric Method for COD), JJG 975–2002 (Verification Regulation for COD Analyzers) |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LH-BOD312 |
| Instrument Type | Benchtop Laboratory BOD Analyzer |
| Measured Parameter | Biochemical Oxygen Demand (BOD₅) |
| Detection Principle | Dissolved Oxygen Depletion Method (Standard 5-Day Incubation per ISO 5815-1:2019 & ASTM D5210) |
| Brand | Lohand |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-E4ISE |
| Pricing | Available Upon Request |
| Instrument Type | Laboratory-Based Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LH-3BA(V12) |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Turbidity, Colority, Suspended Solids (SS), Heavy Metals, Organic Pollutants, Inorganic Pollutants |
| Calibration Compliance | JJG-178 Class II Requirements for UV-Vis-NIR Spectrophotometers |
| Optical System | Imported Holographic Grating, Low Stray Light Design |
| Cuvette Compatibility | 10 mm, 20 mm, 30 mm Rectangular Cuvettes & φ16 mm Round Tubes |
| Light Sources | Plug-in Tungsten & Deuterium Lamps (Optical Alignment-Free Replacement) |
| Wavelength Switching | Dual-Wavelength UV Auto-Switching (for Total Nitrogen) |
| Preloaded Methods | 74 Measurement Modes, 360 Calibration Curves (277 Standard + 83 Fitted) |
| Data Storage | 12,000 Sample Records with Timestamp, Review, Thermal Printing & USB Export |
| Display | 7-inch Full-Color Touchscreen, Chinese UI |
| Optional Accessory | 30-Position Dual-Zone Multi-Parameter Digestion Unit (Independent Temperature Control per Zone) |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | LH-C500 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | Chemical Oxygen Demand (COD), Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP), Total Nitrogen (TN), Suspended Solids (SS), Color, Turbidity, Heavy Metals, Organic Pollutants, Inorganic Pollutants |
| Compliance Standards | COD per HJ/T 399–2007, NH₃-N per HJ 535–2009, TP per GB 11893–1989 |
| Display | 7-inch IPS touchscreen (1024 × 600), adjustable brightness, power-saving & screen-saver modes |
| Light Source | 8-channel visible LED array (fixed wavelengths) |
| Digestion Unit | Dual-zone 20-position heater (10+10 independent temperature zones), 45–190 °C adjustable |
| Timer Range | 1–600 minutes |
| Sample Holders | Compatible with 16/25 mm cuvettes and 10/30 mm cells |
| Calibration | 960 built-in calibration curves |
| Customization | 20 user-defined test methods (wavelength selection from 8 options, curve assignment, cell/tube mode) |
| Connectivity | Wi-Fi, IoT-enabled, Android-based LHOS operating system |
| Accessories Included | Pre-formulated reagent kits (COD, NH₃-N, TP, TN), sealed digestion tubes, cooling rack, tube/cell holders, calibrated pipettes, volumetric dispensers, thermal printer paper |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-C600 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Turbidity, Color, Suspended Solids, Heavy Metals, Organic & Inorganic Contaminants |
| Compliance Standards | HJ/T 399–2007 (COD), HJ 535–2009 (Ammonia Nitrogen), GB 11893–1989 (Total Phosphorus) |
| Operating System | LHOS (Android-based) |
| Light Sources | 8 LED sources (visible spectrum, fixed wavelengths) |
| Digestion Unit | Integrated dual-zone 12-position heater (6+6), supporting 16 mm / 25 mm tubes and 10 mm / 30 mm cuvettes |
| Power Supply | Rechargeable lithium battery (≥8 h continuous operation off-grid) |
| Connectivity | 4G, Wi-Fi, GNSS (BeiDou, GPS, GLONASS, Galileo) |
| Calibration | User-definable multi-point/single-point curve calibration with auto-log and recall |
| Customization | 20 user-defined test methods |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-C700 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Heavy Metals, Organic Matter, Inorganic Ions, pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Oxidation-Reduction Potential (ORP), Turbidity |
| Regulatory Compliance | HJ/T 399–2007 (COD), HJ 535–2009 (Ammonia Nitrogen), GB 11893–1989 (Total Phosphorus), HJ 506–2009 (Dissolved Oxygen) |
| Brand | LoHua |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LH-E600 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Sensing (pH, DO, EC, ORP), Optical Absorption (COD, NH₃-N), Nephelometry (Turbidity), Fluorometry (Chlorophyll-a, Phycocyanin), Light Scattering (SS, Algal Density) |
| Measured Parameters | pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Salinity, Total Dissolved Solids (TDS), Oxidation-Reduction Potential (ORP), Turbidity, Chemical Oxygen Demand (COD), Ammonia Nitrogen (NH₃-N), Chlorophyll-a, Phycocyanin (Blue-Green Algae), Suspended Solids (SS) — 12 Parameters |
| pH Range | 0–14 |
| Default Cable Length | 5 m (customizable) |
| Display | 10-inch capacitive touchscreen integrated into carrying case lid |
| Data Storage | 22,720 entries per parameter |
| Power Supply | Rechargeable Li-ion battery + AC 220 V adapter (auto-switching) |
| Communication | USB, RS-485, 4G LTE dual-mode |
| Positioning | Dual-frequency GPS/BeiDou GNSS module |
| Optional | 720p HD camera for field documentation |