Water Quality Analyzer
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| Brand | BJBY |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | BY-ZS |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameters | Turbidity (0.00–400 NTU, extendable to 2000 NTU), Color (0.0–500.0 Platinum-Cobalt Units) |
| Compliance | GB/T 5750.4–2023 (Turbidity: Ratio Nephelometry at 90° + Transmission |
| Color | Platinum-Cobalt Standard Method) |
| Repeatability | ±0.003 Absorbance Units |
| Detection Wavelengths | 380 nm, 420 nm, 520 nm, 610 nm, and Broadband White Light (automatically selected per test) |
| Optical Configuration | Dual-mode optical path—90° scattered light + transmitted light for turbidity |
| Resolution | 0.001 NTU (turbidity), 0.1 PCU (color) |
| Data Storage | 20,000 measurement records with timestamp, operator ID, sample ID, sample type, and source metadata |
| Display | 5.0-inch high-resolution capacitive touchscreen |
| Calibration | Factory-calibrated with 7-year LED light source stability |
| Power | Integrated rechargeable Li-ion battery |
| Reagents | Pre-formulated, sealed, ready-to-use reagent vials (no on-site preparation required) |
| Dimensions | 194 × 194 × 115 mm (L × W × H) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-ZSD3 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, Free Chlorine, Combined Chlorine, pH, Cyanuric Acid, Urea, Ozone, Hydrogen Peroxide |
| Measurement Principles | Nephelometry (Turbidity), Spectrophotometry (Color, Chlorine, Ammonia-N, etc.) |
| Detection Range | Turbidity 0.000–2000 NTU |
| Other Parameters | Compliant with GB/T 5750 and HJ Standards |
| Resolution | Turbidity — 0.001 NTU (0.000–9.999), 0.1 NTU (10.0–99.9), 1 NTU (100–2000) |
| Wavelengths | 380, 430, 460, 530, 610, 850 nm (automatically selected) |
| Data Storage | 2000 measurement records |
| Display | 5.0-inch HD LCD touchscreen |
| Power Supply | 17000 mAh rechargeable Li-polymer battery, USB power input, AC adapter, or external power bank |
| Operating Environment | 0–50 °C, 0–90% RH (non-condensing) |
| Certifications | Designed per GB/T 5750.4–2023 (turbidity), GB/T 5750.11–2023 (chlorine), HJ 535–2009 (ammonia nitrogen) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-ZSD3 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, pH, Free Chlorine, Total Chlorine, Combined Chlorine, Chlorine Dioxide, Residual Oxygen, Ozone, Chlorite, Ammonia Nitrogen, Nitrate, Nitrite, Fluoride (SPANDS method), Iron, Manganese, Hexavalent Chromium, COD (Low & High Range), Sulfate, Dissolved Oxygen, Aluminum |
| Wavelengths | 380 nm, 420 nm, 520 nm, 610 nm, White Light |
| Optical Method for Turbidity | 90° Scattering + Transmission |
| Detection Limit for Turbidity | 0.001 NTU |
| Repeatability | ±0.003 Abs |
| Data Storage | 20,000 records with timestamp, user ID, sample ID, source, and matrix metadata |
| Display | 5.0-inch HD color touchscreen |
| Power Supply | External mobile power bank compatible |
| Preloaded Reagents | Yes |
| Dimensions | 19.4 × 19.4 × 11.5 cm |
| Compliance | GB/T 5749–2022, GB/T 5750.4–2006, GB/T 5750.11–2006 |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | E-1312-EC1-M10ST |
| Instrument Type | Online Water Quality Analyzer |
| Operating Temperature | −5 to 100 °C |
| pH Range | 0.00–14.00 |
| Max Pressure Rating | 30 psig |
| Junction Type | Annular Ceramic Junction |
| Reference System | Ag/AgCl Dual-Salt-Bridge |
| Fill Solution | Non-refillable, Internal-Pressure 3.8 M KCl |
| Sensing Element | HT-3 UV-Resistant Blue Glass Membrane |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | S400-RT330-M10BC |
| Instrument Type | Online Water Quality Analyzer |
| pH Range | 0–14 |
| Temperature Range | 0–105 °C |
| Max. Pressure | 150 psig (10 bar) at 100 °C |
| Max. Flow Rate | 3 m/s |
| Reference System | Ag/AgCl |
| Salt Bridge | Dual-compartment |
| Liquid-contact Materials | Ryton (PPS), PTFE, HT-3 blue glass |
| Sensing Membrane | HT-3 borosilicate glass bulb |
| Output Impedance | < 250 MΩ at 25 °C |
| Process Connection | 3/4" NPT male thread |
| Cable | 3 m, 5 mm OD, BNC termination |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | BWATER4100 |
| Instrument Type | Online Multi-parameter Water Quality Analyzer |
| Measured Parameters | Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP) |
| Enclosure Rating | IP68 |
| Power Supply | Battery or Solar Compatible |
| Reagent Replacement Interval | Up to 6 Weeks |
| Sample Reaction Volume | <3 mL |
| Digestion Method | UV Irradiation + High-Temperature Thermal Digestion |
| Typical Analysis Time per Parameter | <30 minutes |
| Compliance | GB/T 7479–2023 (NH₃-N), GB/T 11893–1989 (TP), ISO 15681-2:2022 (Phosphorus), ASTM D1426–22 (Ammonia) |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Origin | Beijing, China |
| Model | BY-SD1500 |
| Instrument Type | Handheld Water Quality Analyzer |
| Measurement Method | Platinum-Cobalt Standard Colorimetric Method |
| Range | 0–500 degrees |
| Resolution | 0.1 degree |
| Accuracy | ≤1% ± 0.01 degree |
| Measurement Time | <60 s |
| Display | OLED with backlight |
| Light Source | Pulsed LED (≥100,000 h lifetime) |
| Environmental Operating Conditions | 0–50 °C, 0–90% RH (non-condensing) |
| IP Rating | IP54 |
| Power Management | Built-in battery with low-power diagnostic alert |
| Optical Design | Integrated solid-state light source / monochromator / cuvette chamber / photodetector |
| Sample Compartment | Flip-type integrated light-shield cover |
| Curve Handling | On-device standard curve creation, built-in reference curves, auto-fitting and concentration calculation |
| Calibration | Zero-point calibration only required |
| Brand | CALDEE |
|---|---|
| Origin | Shaanxi, China |
| Model | PLD-11901 |
| Instrument Type | Benchtop Water Quality Analyzer |
| Detection Principle | Gravimetric Filtration (0.45 µm membrane) |
| Filter Diameter | φ50 mm or φ60 mm |
| Drying Temperature | 104 ± 1 °C |
| Weighing Precision | ≥ 0.1 mg |
| Minimum Detectable Concentration | 2 mg/L |
| Maximum Negative Pressure | ≥ 80 kPa |
| Vacuum Adjustment Range | 20–80 kPa |
| Airflow Rate | ≥ 20 L/min |
| Noise Level | ≤ 60 dB(A) |
| Power Supply | AC 220 V ± 10 %, 50 Hz |
| Brand | CANNON |
|---|---|
| Origin | USA |
| Model | 9721-N89 |
| Capillary Constant | 30 cSt/s |
| Kinematic Viscosity Range | 600–3000 cSt |
| Compliance | ASTM D445, ASTM D446, ASTM D2170 |
| Temperature Stability Requirement | ±0.02 °C (15–100 °C) |
| Capillary Geometry | Ubbelohde semi-micro, dilution-compatible, suspended-level design |
| Brand | CAS TECHNOLOGY |
|---|---|
| Origin | Shandong, China |
| Model | PC-300 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Principle | Electrochemical Method |
| Measured Parameters | Conductivity, pH, Dissolved Oxygen (DO), Oxidation-Reduction Potential (ORP), Temperature |
| Enclosure Rating | IP67 (main unit), IP68 (electrodes) |
| Power Supply | AA batteries or USB-C external power |
| Calibration | Automatic electrode recognition, auto-calibration for pH, conductivity, and DO |
| Data Management | On-device storage, Bluetooth connectivity to companion mobile app |
| Compliance | Designed for field-deployable environmental monitoring in accordance with standard electrochemical measurement practices (ASTM D1129, ISO 7888, ISO 5814, ISO 10523, ISO 7888) |
| Brand | CHEMetrics |
|---|---|
| Origin | USA |
| Model | V-3000 |
| Instrument Type | Portable / Handheld Photometer |
| Measured Parameters | pH, ORP, Turbidity, Dissolved Oxygen (DO), Detergents, Sulfide, Free Chlorine, Total Chlorine, Ammonia-N, Phosphate, Nitrate-N, Nitrite-N, Sulfate, Copper, Iron, Zinc, Aluminum, and other ionic species |
| Detection Method | Colorimetric Analysis via Self-Filling Reagent Ampoules (CHEMetrics Patented Vacuum-Pull Technology) |
| Display | Integrated LCD with Button Interface |
| Preloaded Methods | >50 Standard EPA/ISO-Compatible Test Programs |
| Custom Methods Storage | Up to 10 |
| Data Storage Capacity | 100–1,000 Measurements |
| Connectivity | USB for PC export and printer output |
| Enclosure Rating | IP67-rated waterproof & dustproof housing |
| Power | Rechargeable Li-ion battery (up to 20 hours continuous operation) |
| Compliance | Designed to support ASTM D1293 (pH), ASTM D3370 (turbidity), EPA 365.3 (phosphate), EPA 350.1 (ammonia), ISO 7027 (turbidity), ISO 8694 (chlorine), and USP <643> (conductivity-related water purity contexts) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CON30 |
| Instrument Type | Benchtop & Field-Portable Water Quality Analyzer |
| Price Range | USD 280 – 1,400 (FOB) |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | CPB401BT |
| Price | Upon Request |
| Brand | CLEAN |
|---|---|
| Origin | USA |
| Model | ORP30 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| ORP Range | −900 to +900 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±1 mV |
| Temperature Range | 0.0–100.0 °C (32–212 °F) |
| Temperature Resolution | 0.1 °C / 1 °F |
| Calibration | Two-point using standard solutions (86 mV and 255 mV) |
| Electrode | Replaceable CS2930 platinum disc planar ORP electrode |
| Display | Multi-line LCD (21 × 34 mm) with auto-backlight |
| Ingress Protection | IP67 |
| Auto-power-off | 5 minutes of inactivity |
| Power | 1 × 1.5 V AAA battery |
| Dimensions (H×W×D) | 185 × 40 × 48 mm |
| Weight | 95 g |
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | IN-SS11 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | pH, Dissolved Oxygen (DO), Ammonia-Nitrogen (NH₃-N), Nitrite (NO₂⁻), Total Alkalinity, Hydrogen Sulfide (H₂S), Salinity, Phosphate (PO₄³⁻), Total Hardness, Water Temperature, Residual Chlorine |
| Optical System | Imported Cold Light Source |
| Wavelength Range | 340–800 nm |
| Detection Method | Photometric Colorimetry |
| Display | 3.5-inch Color LCD |
| Operating System | Android-based Embedded OS |
| Data Storage Capacity | >80,000 Records |
| Connectivity | USB Type-C, Wi-Fi, Bluetooth |
| Battery | 5600 mAh Li-ion |
| Continuous Operation Time | ≥12 h |
| Operating Environment | 0–50 °C, 0–90% RH |
| Optical Stability | <0.5% |
| Absorbance Sensitivity | 0.001 AU |
| Dimensions | 180 × 80 × 65 mm |
| Weight | 700 g |
| Language Support | English / Simplified Chinese |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CU-5Z |
| Price | Upon Request |
| Measurement Principle | Absorption Photometry |
| Measurement Ranges | 0.000–1.200 mol/L (Cu²⁺ molar concentration) |
| Accuracy | ±2% FS (under specified calibration and environmental conditions) |
| Resolution | 0.001 mol/L |
| Calibration | Two-point calibration using certified Cu²⁺ standard solutions |
| Temperature Compensation | Automatic (NTC sensor integrated in CUD-61 electrode) |
| Display | 3½-digit LCD |
| Operating Environment | −5°C to +45°C, ≤85% RH (non-condensing) |
| Power Supply | DC 4.5 V (3 × AA alkaline batteries), auto-power-off after 30 min idle |
| Dimensions (main unit) | 75(W) × 180(D) × 38(H) mm |
| Weight | ~300 g (main unit), ~550 g (CUD-61 electrode with 2 m cable) |
| Standard Configuration | Main unit, CUD-61 copper-selective electrode (2 m coaxial cable), instruction manual, certificate of conformity |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | CYCLE-PO4 |
| Pricing | Available Upon Request |
| Height | 56 cm |
| Width | 18 cm |
| Weight | 6.8 kg |
| Light Source | 880 nm LED |
| Optical Path Length | 5 cm |
| Linearity (R²) | ≥0.95 |
| Power Supply | 9.5–18 V DC, Max Current: 2.0 A |
| Output Interface | RS-232 with MCBH-6MP connector |
| Sampling Interval | 30 minutes |
| Onboard Memory | 1 GB |
| Accuracy | ±50 nM |
| Measurement Range | 0–10 µM |
| Detection Limit | Sub-nanomolar resolution |
| Housing Material | Titanium alloy |
| Operational Duration | Up to 3 months unattended in field deployment |
| Brand | DeChem-Tech |
|---|---|
| Origin | Germany |
| Model | CleverChem 300 |
| Instrument Type | Laboratory-Based Wet-Chemistry Analyzer |
| Detection Capability | Multi-Parameter |
| Analysis Speed | Up to 300 samples/hour |
| Sample Volume Range | 1–900 µL (1 µL increment) |
| Reagent Volume Range | 1–450 µL (1 µL increment) |
| Sample Positions | 49 per removable tray |
| Reagent Positions | 31 |
| Cuvette Capacity | 64-position rotating cuvette carousel |
| Reaction Temperature Control | Ambient to 49.6 °C (standard assay temp: 38.0 ± 0.1 °C) |
| Optical System | Dual-beam photometry with 24-bit digital detector |
| Wavelength Range | 340–880 nm |
| Filter Wheel | 9 measurement + 1 reference filter positions |
| Absorbance Linearity | 0.0001–3.5000 Abs |
| Absorbance Resolution | 0.0001 Abs |
| Cuvette Cleaning | 7-step automated protocol |
| Auto-Dilution | Up to 100× |
| Low-Volume Alerts | Sample & reagent level monitoring enabled |
| Compliance | Methods aligned with ISO, US EPA, and GB standards |
| Brand | DeChem-Tech |
|---|---|
| Origin | Germany |
| Model | CleverChem 380Plus |
| Instrument Type | Laboratory Water Quality Analyzer |
| Analytes | pH, Conductivity, Dissolved Oxygen, Turbidity, Salinity (5-Parameter), Total Nitrogen, Total Phosphorus, Ammonia-N, Nitrate-N, Nitrite-N, Orthophosphate, Silicate, Sulfate, Sulfide, Chloride, Hexavalent Chromium, Alkalinity, Iron, Zinc, Fluoride |
| Compliance | ISO 15681, EPA Methods 353.2/365.2/365.3, AOAC 973.43, AFNOR T90-211, BATF, COFRAC |
| Sample Capacity | 119 positions |
| Detection Principle | Photometric Discrete Chemistry (Endpoint, Kinetic, Differential Time-Based Absorbance) |
| Optical System | Dual-Beam Digital Photometer with Linear Range up to 3.5 Abs |
| Liquid Handling | uL-precision Dispensing with Integrated Needle Wash & Cuvette Integrity Verification |
| Software | CleverControl v5.x with Audit Trail, Electronic Signatures, and 21 CFR Part 11 Compliance Options |
| Brand | DeChem-Tech |
|---|---|
| Origin | Germany |
| Model | CleverChem Anna |
| Instrument Type | Laboratory-Based Automated Discrete Analyzer |
| Detection Parameters | Total Nitrogen, Total Phosphorus, Ammonia-N, Nitrate, Nitrite, Orthophosphate, Silicate, Sulfate, Sulfide, Chloride, Hexavalent Chromium, Alkalinity, Iron, Zinc, Fluoride |
| Sample Throughput | Up to 200 samples/hour |
| Sample Capacity | 49 positions |
| Reagent Positions | 31 (with optional refrigerated storage) |
| Optical Cell | Reusable 64-position quartz cuvette carousel, 1 cm pathlength |
| Cleaning System | 8-step ultrasonic cuvette cleaning station with optical validation |
| Dilution Capability | In-cuvette dilution up to 100× (1 mL dilutor volume) |
| Software | Dual-language (English/Chinese), supports true sample blank and reagent blank correction |
| Waste Management | Sealed, sensor-monitored waste collection system |
| Compliance | Designed for GLP/GMP environments |
| Brand | DeChem-Tech |
|---|---|
| Country of Origin | Germany |
| Model | CleverChem Petro |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Capability | Multi-parameter |
| Analysis Speed | Up to 350 samples/hour |
| Sample Capacity | 119 positions (5 mL tubes) |
| Sample Volume Range | 1–900 µL |
| Reagent Positions | 49 |
| Reagent Volume Range | 1–450 µL |
| Refrigerated Reagent Storage | Yes |
| Cuvette Carousel | 64 positions |
| Cuvette Temperature Control | Ambient to 49.6 °C (standard reaction temperature: 37.00 ± 0.01 °C) |
| Cuvette Cleaning | 8-step automated cycle |
| Detector | 24-bit digital photometer |
| Optical Filters | 9 measurement + 1 reference filter |
| Wavelength Range | 340–880 nm |
| Absorbance Linearity | 0–3.5 Abs |
| Absorbance Resolution | 0.0001 Abs |
| Brand | DeChem-Tech |
|---|---|
| Origin | Germany |
| Model | CleverChem Petro |
| Instrument Type | Laboratory-Based Automated Wet-Chemistry Analyzer |
| Detection Parameters | Ammonia-N, Total Nitrogen (TN), Total Phosphorus (TP), Nitrate, Nitrite, Orthophosphate, Silicate, Sulfate, Sulfide, Chloride, Total Phenols, Iron, Zinc, Fluoride, Hexavalent Chromium, Alkalinity |
| Sample Throughput | Up to 350 samples/hour |
| Optical Cell | Reusable 64-position quartz cuvette carousel, 1 cm path length |
| Sample Capacity | 119 positions |
| Reagent Positions | 49 (with optional refrigerated storage) |
| Dilution Capability | In-cuvette dilution up to 100× (1 mL dilutor volume) |
| Cleaning System | 8-step ultrasonic cleaning station with optical validation |
| Waste Management | Sealed waste sensing and collection system |
| Software | Dual-language (English/Chinese) PC-based control and data processing software compliant with GLP audit trails |
| Brand | DeChem-Tech |
|---|---|
| Origin | Germany |
| Model | CleverChem-Anna |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Parameters | Nitrate, Nitrite, Ammonia-N, Total Nitrogen, Orthophosphate, Total Phosphorus, Silicate, Sulfate, Sulfide, Chloride, Hexavalent Chromium, Alkalinity, Iron, Zinc, Fluoride, Acidity, Hardness, Manganese, Aluminum, Copper, Magnesium, Cyanide, Phenols, and more |
| Sample Capacity | 49 positions |
| Reagent Positions | 31 (with optional refrigerated storage) |
| Throughput | Up to 200 samples per hour |
| Optical Cell | Reusable 64-position quartz cuvette carousel, 1 cm pathlength |
| Washing Protocol | 7-step automated cleaning with optical validation |
| Software | Dual-language (English/Chinese), supports true sample blanking and reagent blanking |
| Interface | USB |
| Compliance | Designed for ISO 15586, ASTM D3867, EPA 365.4, USP <643>, and GLP/GMP-aligned data integrity workflows |
| Brand | DeChem-Tech |
|---|---|
| Origin | Germany |
| Model | MeaChemBox |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | Ammonia-N, Nitrate-N, Nitrite-N, Phosphate-P, Silicate-Si, Total Nitrogen (TN), Total Phosphorus (TP), COD (UV), BOD, Turbidity |
| Measurement Principle | Micro Loop Flow Analysis (pLFA) with Automated Colorimetric/Fluorometric Detection |
| Display | 8-inch TFT color touchscreen interface |
| Data Export | USB 2.0 and RS-232 |
| Connectivity | Mobile app-enabled remote result access and reporting |
| Compliance Framework | Designed for field-deployable GLP-aligned operation |
| Origin | Germany |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | DiaMon |
| Instrument Type | Online Water Quality Analyzer |
| Spectral Range | 250–780 nm |
| Detection Principle | Diode Array Spectrophotometry (UV-Vis) |
| Processor | Intel 586DX @ 133 MHz |
| Memory | 4 MB RAM |
| Data Visualization | Configurable Graphical & Tabular Historical Trends |
| Programmability | User-Defined Scripting Support |
| Compliance Context | Designed for continuous monitoring in compliance with ISO 7027, ASTM D515, EPA Method 353.2, and EU Directive 2000/60/EC (Water Framework Directive) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1100 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principle | Electrochemical Sensing |
| Measured Parameters | pH, Dissolved Oxygen (DO), Electrical Conductivity (EC), Turbidity, Temperature, Oxidation-Reduction Potential (ORP), Total Dissolved Solids (TDS), Chlorophyll-a, Phycocyanin (Blue-Green Algae), Suspended Solids (SS), Residual Chlorine, COD (via electrochemical proxy), Ammonia-Nitrogen (NH₃-N), Hydrocarbon Oil, Salinity |
| pH Range | 0–14 pH |
| Display | 8-inch HD color TFT touchscreen |
| Data Storage | 1,000,000 measurement records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Electrode Protection Rating | IP68 |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Electrode Cable Length | 3–5 m (customizable) |
| Communication | USB interface |
| Reading Modes | Real-time, Timed, Interval |
| Auto Temperature Compensation | Yes |
| Number of Independent Sensor Ports | 6 (expandable to 8–12) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1200P |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Sensing (pH, DO, ORP, Conductivity, TDS), Optical Sensing (Turbidity, Chlorophyll-a, Phycocyanin, Oil-in-Water, SS), Amperometric/Colorimetric (Residual Chlorine, COD, Ammonia-N) |
| Measurement Range | pH: 0–14 |
| Temperature | 0–50 °C |
| Dissolved Oxygen | 0–20 mg/L (or 0–200% saturation) |
| Conductivity | 0–200 mS/cm |
| Turbidity | 0–1000 NTU |
| ORP | −1500 to +1500 mV |
| TDS | 0–100,000 ppm |
| Salinity | 0–50 ppt |
| Residual Chlorine | 0–5 mg/L |
| COD | 0–1500 mg/L (via preloaded reagent vials) |
| Ammonia-N | 0–100 mg/L (via preloaded reagent vials) |
| Chlorophyll-a | 0–200 µg/L |
| Phycocyanin | 0–100 µg/L |
| Oil-in-Water | 0–100 ppm |
| Suspended Solids | 0–5000 mg/L |
| Electrode Interface | 3 independent digital sensor ports |
| Display | 5-inch capacitive color touchscreen |
| Data Storage | 1,000,000 measurement records with timestamp, location (optional GPS), and operator ID |
| Power Supply | Rechargeable Li-ion battery (≥16 h continuous operation) |
| IP Rating | IP68 probe housing |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Compliance | Meets ASTM D1293 (pH), ASTM D888 (DO), ISO 7888 (conductivity), ISO 7027 (turbidity), USP <643> (TOC proxy via conductivity), and supports GLP-compliant data logging with audit trail metadata |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T8000 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Spectrophotometry (UV-Vis) |
| Measurable Parameters | COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Turbidity, Color, Suspended Solids, Heavy Metals, and >50 additional water quality indicators |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | <0.2 nm |
| Spectral Bandwidth | 2 nm |
| Photometric Accuracy (Transmittance) | ±0.5% |
| Photometric Repeatability | ≤0.2% T |
| Absorbance Resolution | 0.001 Abs |
| COD Range | 2–20,000 mg/L |
| Measurement Repeatability | ≤±2% |
| Optical System | Dual-beam with Grating Monochromator |
| Light Sources | Imported Deuterium Lamp (UV), Imported Tungsten-Halogen Lamp (Vis) |
| Display | 7-inch HD capacitive touchscreen |
| Sample Holders | Dual independent positions — for 16-mm round cuvettes (360° rotational detection) and standard 10-mm square cuvettes |
| Calibration | Single-point and multi-point calibration |
| Pre-stored Calibration Curves | 1200+ (compliant with HJ/T 399–2007, HJ 535–2009, GB 11893–1989, HJ 636–2012) |
| Data Storage | 1,000,000 measurement records |
| Output | Built-in thermal printer |
| Interface | USB port for data export |
| Compliance | Designed to meet Chinese environmental monitoring standards |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9000 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Spectrophotometry & Electrochemical Sensing |
| Measurable Parameters | COD (2–20,000 mg/L), Ammonia-N, Total Phosphorus, Total Nitrogen, pH, Dissolved Oxygen (DO), Conductivity, ORP, Chlorophyll-a, Turbidity, Color, TDS, Oil-in-Water, Heavy Metals (via compatible reagent kits) |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 340–900 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | < 0.2 nm |
| Spectral Bandwidth | 4 nm |
| Transmittance Error | ±0.5% |
| Transmittance Repeatability | ≤ 0.2% T |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan > 100,000 h) |
| Pre-stored Calibration Curves | 1,000 |
| Data Storage Capacity | 1,000,000 records |
| Display | 8-inch HD capacitive touchscreen |
| Interface | Fully localized Chinese UI (English optional) |
| Sample Holders | Rotatable tube holder (360°), dual cuvette positions (10 mm & 30 mm pathlength), four independent digital electrode ports |
| Auto-calibration | Single-point and multi-point calibration support |
| Data Output | USB export, thermal printer, on-screen curve visualization, real-time filtering |
| Compliance Standards | HJ/T 399–2007 (COD), HJ 535–2009 (Ammonia-N), GB 11893–1989 (Total Phosphorus), ISO 5815-1:2016 (DO), ISO 7888:2012 (Conductivity), ASTM D1293 (pH), EPA 180.1 (Turbidity) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9900 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Detection Principles | Spectrophotometry (340–900 nm) & Electrochemical Sensing |
| Measured Parameters | COD (2–20000 mg/L), Ammonia-N, Total Phosphorus, Total Nitrogen, Heavy Metals, pH, Dissolved Oxygen (DO), Conductivity, Turbidity, Temperature, ORP, TDS, Chlorophyll-a, Cyanobacteria, Suspended Solids, Residual Chlorine, Oil-in-Water, Salinity, and >80 additional parameters |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | <0.2 nm |
| Spectral Bandwidth | 4 nm |
| Transmittance Error | ±0.5% |
| Transmittance Repeatability | ≤0.2% T |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Pre-stored Calibration Curves | 600 |
| Data Storage Capacity | 1,000,000 records |
| Display | 5-inch HD capacitive touchscreen |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Compliance | HJ/T 399–2007, HJ 535–2009, GB 11893–1989 |