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 |
| Model | DZB-712 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurement Parameters | pH/pX, Conductivity, Dissolved Oxygen (DO), Temperature, TDS, Salinity, Resistivity, ORP (mV) |
| IP Rating | IP65 |
| Display | High-Resolution LCD |
| Data Storage | 500 sets per parameter |
| Compliance | GLP-compliant data traceability |
| Connectivity | USB, RS-232 |
| Power | Rechargeable Li-ion battery (DC5V input support) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| pH Accuracy | ±0.01 pH |
| Conductivity Accuracy | ±1.0% FS |
| DO Accuracy | ±0.30 mg/L (≤20.00 mg/L), ±10.0% (>20.00 mg/L) |
| Temperature Range | −5.0 to 110.0 °C |
| 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 |
| 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 |
| Data Storage | 1000 datasets per parameter |
| Compliance | GLP-compliant data logging |
| Power | Rechargeable Li-ion battery (DC5V input) |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| pH Accuracy | ±0.01 pH |
| Conductivity Accuracy | ±1.0% FS |
| DO Accuracy | ±0.30 mg/L (≤20.00 mg/L), ±10.0% (>20.00 mg/L) |
| Temperature Range | −5.0 to 110.0 °C |
| Auto-Temperature Compensation | Yes (pH, conductivity, DO) |
| Electrode Interfaces | Triple-combined pH electrode, composite conductivity electrode, polarographic DO electrode |
| 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-715 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Water Temperature, pH/ORP, Conductivity/Salinity, Dissolved Oxygen, Depth |
| Measurement Range | pH (0.00–14.00), ORP (−1999.9–+1999.9 mV), Conductivity (0–200 mS/cm), Salinity (0.0–8.0 %), DO (0.00–19.99 mg/L), Temp (−5.0–70.0 °C), Depth (0.00–10.00 m) |
| Accuracy | pH ±0.10, ORP ±20.0 mV, Conductivity ±1.0% FS, DO ±0.30 mg/L, Temp ±0.5 °C, Depth ±0.05 m |
| Resolution | pH 0.01, ORP 0.1 mV, Conductivity down to 0.001 μS/cm, DO 0.01 mg/L, Temp 0.1 °C, Depth 0.01 m |
| Display | 3.5″ TFT color touchscreen |
| Data Storage | 5000 sets with GLP-compliant metadata |
| IP Rating | IP67 |
| Battery | Rechargeable Li-ion |
| Standard Cable Length | 10 m (customizable up to 100 m) |
| Interfaces | USB, RS485 |
| Optional | GPS module, GPRS data transmission |
| 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 |
| Model | DZB-718L |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameters | pH, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), Temperature |
| IP Rating | IP65 |
| Display | Color TFT Touchscreen |
| Power | Rechargeable Li-ion Battery |
| Compliance | GLP-compliant Data Management |
| Calibration | Auto-buffer recognition (NIST, GB, DIN, JIS, etc.), 1–8-point pH/pX, 1–5-point conductivity, zero/full-scale DO calibration |
| Connectivity | USB, Bluetooth, USB Flash Drive Support, Barcode Scanner Compatible |
| Storage Capacity | 1000 datasets per parameter group |
| Measurement Accuracy | pH ±0.002, Conductivity ±0.5% FS, DO ±0.10 mg/L (0–50 mg/L), Temp ±0.3 °C (0–60 °C)] |
| 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 |
| Model | DZS-706F |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Measured Parameters | pH/pX, ORP (mV), Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Measurement Principle | Potentiometric (pH/ion), Inductive/Two-Electrode Conductometry, Polarographic (Clark-type) Dissolved Oxygen |
| Accuracy | pH ±0.01, Conductivity ±1.0% FS, DO ±0.30 mg/L, Temperature ±0.3 °C (0–60 °C) |
| Resolution | pH 0.01, Conductivity 0.001 µS/cm, DO 0.01 mg/L, Temp 0.1 °C |
| Calibration | Up to 5-point pH/pX, 3-point conductivity, zero/full-scale DO |
| Compensation | Automatic temperature (−5 to 110 °C), atmospheric pressure (kPa/mbar/Torr/atm), salinity |
| Data Management | 500 datasets per parameter group, GLP-compliant audit trail, RS-232 & USB interfaces |
| Enclosure Rating | IP54 |
| Power | DC 9 V (AC 100–240 V adapter) |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg] |
| 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-708L |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | pH, ORP, mV, pX, Ion Concentration (Ag⁺, Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻, NO₃⁻, etc.), Conductivity (EC), Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO) Concentration & Saturation, Temperature |
| Display | 7-inch HD color TFT touchscreen with bilingual (English/Chinese) UI |
| Environmental Rating | IP54 |
| Channels | 4 independent measurement channels |
| Modular Architecture | Supports 6 interchangeable modules — pH, pX, EC-T (2-electrode conductivity), EC-F (4-electrode conductivity), DO-F (fluorescence-based DO), DO-P (polarographic DO) |
| Calibration | Multi-point auto-recognized calibration per module |
| Data Management | GLP-compliant storage for ≥1000 sample sets per parameter type |
| Connectivity | RS-232 (printer), USB (PC software & U-disk export/import), barcode scanner support |
| Compliance | Designed to support ISO/IEC 17025, USP <645>, ASTM D1125, ASTM D512, EPA 150.1/150.2, and FDA 21 CFR Part 11 requirements for data integrity |
| 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 |
| Model | DZS-708T |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measured Parameters | pH, Conductivity, Dissolved Oxygen (DO), Ion Concentration (e.g., Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻), ORP, TDS, Salinity, Resistivity, Ash Content (White Sugar & HFCS), Temperature |
| Accuracy Class | pH/pX: 0.001-grade |
| Conductivity/Resistivity/TDS/Salinity | 0.5-grade |
| DO | ±0.30 mg/L (≤20.00 mg/L) |
| Display | Color TFT Touchscreen |
| Protection Rating | IP54 |
| Data Storage | 1000 datasets with GLP/GMP-compliant audit trail |
| Interfaces | RS-232, USB, U-disk support, Scanner-compatible] |
| 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 | Lightsun |
|---|---|
| Model | μChem NIA 2000 |
| Origin | Guangdong, China |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | Ammonia-N (N-NH₃), Orthophosphate-P (P-PO₄), Nitrate-N (N-NO₃), Nitrite-N (N-NO₂), Total Phosphorus (TP), Total Nitrogen (TN), Silicate (SiO₂), Hexavalent Chromium (Cr⁶⁺) |
| Detection Principle | Discrete Flow Analysis (DFA) coupled with Flow-Cell Photometry |
| Power Consumption | 8 W (operational), 1.2 W (standby) |
| Sampling Precision | ±0.1 µL |
| Structural Design | Integrated Cylindrical Housing, Tubeless Reaction Pathway |
| Compliance | ASTM D1426, ISO 7890-3, ISO 11908, USP <643>, EPA Method 353.2, HJ 636–2012, HJ 637–2012 |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LIN100 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Analyte | Ammonia Nitrogen (NH₃-N) |
| Measurement Range | 0–100 mg/L (segmented testing) |
| Display | 7-inch capacitive color touchscreen |
| Sample Capacity | 16-position auto-digestion carousel |
| Digestion & Cooling | Integrated digestion heater and active cooling system |
| Reagent Handling | Pre-filled reagent cartridges (Nessler reagent method per HJ 535–2009) |
| Automation Features | Auto-dilution, auto-calibration, unattended batch analysis |
| Connectivity | Wi-Fi, Bluetooth 5.0, USB 2.0, cloud upload (HTTPS/TLS), WeChat Mini Program API |
| Compliance | Fully aligned with HJ 535–2009 “Determination of Ammonia Nitrogen in Water by Nessler’s Reagent Spectrophotometric Method” |