Water Quality Analysis
Filter
Showing 271–300 of 952 results
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1220P |
| Instrument Type | Portable |
| pH Range | 0–14 |
| Dissolved Oxygen (DO) | 0–50 mg/L |
| Conductivity | 0–5000 µS/cm |
| Turbidity | 0–1000 NTU |
| Temperature Operating Range | 0–50 °C |
| Electrode Protection Rating | IP68 |
| Data Storage Capacity | 1,000,000 records |
| Display | 5-inch HD color touchscreen |
| Power Supply | Rechargeable Li-ion battery + USB Type-C AC/DC adapter |
| Electrode Interface | Digital plug-and-play ports (3 independent slots) |
| Measurement Modes | Real-time, timed, and interval reading |
| Auto Temperature Compensation | Yes |
| Communication Interface | USB Type-C (data export & charging) |
| Enclosure | Acid-alkali resistant, waterproof carry case |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M5600 |
| Instrument Type | Portable |
| Measurement Principle | Infrared Spectrophotometry (Fourier-transform-free dispersive IR) |
| Measurement Range | 0.0–800 mg/L (oil in water) |
| Detection Limit | 3SD ≤ 0.03 mg/L (based on 11 blank measurements) |
| Wavenumber Accuracy | ±1 cm⁻¹ |
| Absorbance Resolution | 0.0001 AU |
| Scan Speed | Full-spectrum acquisition in 30 seconds |
| Wavenumber Range | 2400–3400 cm⁻¹ |
| Absorbance Range | 0.0000–2.0000 AU |
| Repeatability | RSD ≤ 0.5% (20–80 mg/L standard), RSD ≤ 5% (0.2 mg/L sample) |
| Linearity | R > 0.999 |
| Calibration | Preloaded EPA- and HJ-compliant calibration curves |
| Power Supply | Integrated rechargeable Li-ion battery + AC 220 V |
| Display | 10.1″ capacitive touchscreen |
| Data Output | Thermal printer + USB interface |
| 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 | WaterDoctor |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T8100 |
| Instrument Type | Benchtop Laboratory Spectrophotometer |
| Detection Elements | Chromium (Cr) |
| Detection Time | 10 min per sample |
| Accuracy | ≤ ±5% |
| Absorbance Resolution | 0.001 Abs |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | < 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Transmittance Error | ±0.5% |
| Transmittance Repeatability | ≤ 0.2% T |
| Absorbance 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 — cylindrical cuvette (360° rotational alignment) and rectangular quartz/glass cuvette |
| Preloaded Calibration Curves | 1200 built-in methods |
| Data Storage | 1,000,000 measurement records |
| Interface | USB port for data export |
| Software Language | Chinese UI standard |
| 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-T9002 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nesslerization or Salicylate, compliant with HJ 535–2009) |
| Measurement Range | 0–100 mg/L NH₃–N |
| Accuracy | ≤ ±5% |
| Detection Limit | Not specified (method-dependent |
| Analysis Time | 10 min per sample |
| Throughput | Automated multi-channel detection (up to 4 independent measurement positions: 1 for rotating cuvette, 2 for fixed-pathlength cuvettes [10 mm & 30 mm], 4 for digital electrode inputs) |
| Wavelength Range | 340–900 nm |
| Wavelength Accuracy | ±1 nm |
| Spectral Bandwidth | 4 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤0.2% T |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Pre-stored Calibration Curves | 1000+ (user-editable and ISO/IEC 17025-aligned curve management) |
| Data Storage | 1,000,000 measurements with timestamp, operator ID, and method tag |
| Interface | 8-inch capacitive touch LCD (adjustable brightness), fully customizable bilingual UI (Chinese default, English optional) |
| Connectivity | USB-A port for flash drive export, thermal printer support |
| Compliance | HJ 535–2009, GB/T 5750.5–2023, compatible with GLP documentation workflows |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9010 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Rapid Digestion Spectrophotometry (COD) & Nesslerization or Salicylate Method (Ammonia-N) |
| Wavelength Range | 340–900 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | <0.2 nm |
| Spectral Bandwidth | 4 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | ≤0.2% T |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Detection Range (COD) | 2–20,000 mg/L |
| Detection Range (NH₃-N) | 0.02–100 mg/L (configurable per method) |
| Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| LOD (COD) | 2 mg/L |
| Measurement Time | ≤10 min (post-digestion) |
| Calibration | Single- or Multi-point with Pre-stored Curves (n=1000) |
| Display | 8-inch HD Capacitive Touchscreen |
| Data Storage | 1,000,000 records |
| Interface | USB-A for U-disk export & thermal printer |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions | 392 × 315 × 170 mm |
| Weight | 4.4 kg |
| Housing Material | Flame-retardant ABS with Chemical Resistance |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9020 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Optical (LED-based Photometry) + Electrochemical (Galvanic/Clark-type DO Sensor) |
| Measurement Range (DO) | 0–20 mg/L |
| Accuracy (DO) | ≤ ±5% FS |
| Repeatability (DO) | ≤ ±2% FS |
| Detection Limit (DO) | Not Specified |
| Wavelength Range | 340–900 nm |
| Wavelength Accuracy | ±1 nm |
| Spectral Bandwidth | 4 nm |
| Absorbance Resolution | 0.001 Abs |
| Photometric Stability | ≤ ±0.005 Abs/20 min |
| Preloaded Calibration Curves | 1000+ |
| Data Storage Capacity | 1,000,000 measurements |
| Display | 8-inch HD capacitive touchscreen |
| Interface Language | Chinese (English optional) |
| Sample Holders | Rotatable 16-mm tube position + dual cuvette positions (10 mm & 30 mm pathlength) + 4 independent digital electrode ports |
| Power Supply | AC 100–240 V, 50/60 Hz |
| Dimensions (W×D×H) | 392 × 315 × 170 mm |
| Weight | 4.4 kg |
| 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 |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9903 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principles | Spectrophotometry (Molybdate Blue for Total Phosphorus |
| Measured Parameters | COD, Ammonia-N, Total Phosphorus, Total Nitrogen, Heavy Metals (e.g., Cu²⁺, Pb²⁺, Cd²⁺ via colorimetric kits), pH, Dissolved Oxygen, Conductivity, Turbidity, Temperature, ORP, TDS, Chlorophyll-a, Phycocyanin, SS, Free Chlorine, Oil-in-Water, Salinity, etc. (80+ parameters) |
| COD Range | 2–20,000 mg/L |
| 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 |
| Photometric Repeatability | ≤±2% |
| Photometric Accuracy | ≤±5% |
| Pre-stored Calibration Curves | 600 |
| Data Storage Capacity | 1,000,000 records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Display | 5-inch HD capacitive touchscreen |
| Interface Language | Chinese (English optional) |
| Enclosure Material | Corrosion-resistant ABS |
| IP Rating | IP67-rated carry case included |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9904 |
| Measurement Method | Photometric (UV-Vis Spectrophotometry) |
| Range | 0–100 mg/L TN |
| Accuracy | ≤ ±5% |
| Detection Limit | 0 mg/L (as reported |
| Resolution | 0.001 Abs |
| 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 |
| Optical Stability | ≤±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Display | 8-inch HD Capacitive Touchscreen |
| Sample Holders | Rotatable Cuvette Holder (360°), Dual Cuvette Positions (10 mm & 30 mm pathlength), 4 Independent Digital Electrode Ports |
| Calibration | Single- and Multi-point Standard Curve Generation |
| Preloaded Curves | 1,000 Method-Specific Calibration Curves |
| Data Storage | 1,000,000 Records with Timestamp, Operator ID, and Batch Traceability |
| Output | Thermal Printer, USB Export (CSV), On-screen Graphing & Filtering |
| Housing | Corrosion-Resistant ABS Enclosure |
| Dimensions | 392 × 315 × 170 mm |
| Weight | 4.4 kg |
| Brand | DoctorWater |
|---|---|
| Model | Dr-T9905 |
| Type | Portable/Water Quality Analyzer |
| Detection Principle | Dual-Mode Photometric & Electrochemical |
| Measurable Parameters | COD (2–20,000 mg/L), Ammonia-N, Total Phosphorus, Total Nitrogen, Heavy Metals, pH, Dissolved Oxygen, Conductivity, Turbidity, Temperature, ORP, TDS, Chlorophyll-a, Phycocyanin, SS, Residual Chlorine, Oil-in-Water, Salinity |
| 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 |
| 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 | GB 11893–1989 (Total Phosphorus), GB/T 11894–1989 (Total Nitrogen), ISO 7027, ASTM D5810, EPA Method 351.2 (adapted) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T9910 |
| Instrument Type | Portable |
| Measurement Range | 0.5–5 mg/L |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| LOD | 0.5 mg/L |
| Resolution | 0.001 Abs |
| Single-Test Time | 10 min |
| 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 |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W110 |
| Instrument Type | Portable |
| Detection Principle | Photometric (Colorimetric) Method |
| Target Analyte | Chromium (Cr) |
| Detection Time | 10 min |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Photometric Resolution | 0.001 Abs |
| Photometric Stability | ≤±0.005 Abs/20 min |
| Repeatability | ≤±2% |
| Accuracy | ≤±5% |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Display | 5-inch HD Color Touchscreen |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage | Up to 1,000,000 Records |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Units | Absorbance & Concentration |
| Housing Material | Corrosion-Resistant ABS |
| Compliance | Designed in accordance with GB/T 5750 (China Standard Methods for Examination of Drinking Water) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W121 |
| Instrument Type | Portable |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Photometric Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Detector System | Automatic Wavelength Positioning Optical Detection System |
| Display | 5-inch HD Color Touchscreen |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage Capacity | 1,000,000 Measurements |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Units | Concentration (mg/L) or Absorbance (Abs) |
| Housing Material | Corrosion-Resistant ABS |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W380 |
| Instrument Type | Online Water Quality Analyzer |
| Detection Parameters | COD, Ammonia Nitrogen, pH, Dissolved Oxygen (DO), Conductivity, Turbidity, Temperature, ORP, TDS, Chlorophyll-a, Phycocyanin (Blue-Green Algae), Suspended Solids (SS), Residual Chlorine, Oil-in-Water, Salinity |
| pH Measurement Range | 0–14 pH |
| Display | 10.1-inch Android-based industrial capacitive touchscreen |
| Flow Rate | 5–30 L/h |
| Installation | Wall-mounted |
| Power Supply | AC 220 V ±15%, 50 Hz ±5% |
| Power Consumption | <50 W |
| Operating Temperature | 0–60 °C |
| Relative Humidity | <90% RH |
| Dimensions (L×W×H) | 428 × 308 × 650 mm |
| Communication Interfaces | RS-485, Ethernet, 4G, Wi-Fi |
| Calibration | On-device electrode calibration via touchscreen |
| Alarm Function | Fault detection with remote alerting |
| Housing Design | Electrically isolated chambers, corrosion-resistant materials, integrated air-bleed valve in flow cell |
| Measurement Mode | Continuous or programmable intermittent monitoring |
| Sample Path | Series-connected flow-through cell with low-volume consumption |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W5 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide, Available Chlorine, Combined Chlorine (Disinfectant Residuals) |
| Measurement Range (Free Chlorine) | 0.02–2.00 mg/L |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 5-inch HD Color Touchscreen |
| Light Source | Imported Cold Light LED (Lifespan >100,000 h) |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage | Up to 1,000,000 Records |
| Interface | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Modes | Concentration (mg/L) or Absorbance (Abs) |
| Housing Material | Corrosion-Resistant ABS |
| Operating Temperature | 0–50 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Rated Power | 1.2 W |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W50 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principle | Colorimetric Method |
| Measurable Parameters | Turbidity, Free Chlorine, Total Chlorine, Combined Chlorine, Ozone, Urea, pH, Calcium Hardness, Total Alkalinity, Cyanuric Acid, Water Temperature |
| Turbidity Range | 0–20 NTU / 0–200 NTU (via Scattered/Transmitted Light Method) |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan >100,000 hrs) |
| Display | 5-inch HD Color Touchscreen |
| Sample Format | 16 mm / 25 mm Cuvettes |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage | Up to 1,000,000 Records |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Reporting | Concentration or Absorbance Readout |
| Housing Material | Corrosion- and Heat-Resistant ABS |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W500 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Spectrophotometry |
| Measured Parameters | Turbidity, Color, Free Chlorine, Chlorine Dioxide, Total Hardness, Permanganate Index (COD<sub>Mn</sub>), Ammonia Nitrogen, Ozone, Urea, Iron, Manganese |
| Turbidity Range | 0–20 NTU / 0–200 NTU / 0–1000 NTU |
| Color Range | 0.0–50.0°Hazen / 0–500°Hazen |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 8-inch HD color capacitive touchscreen |
| Language Support | English & Chinese |
| Sample Holders | 360° rotatable cuvette port + standard 25 mm cuvette port |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 measurement records |
| Connectivity | USB interface |
| Output Modes | Concentration or Absorbance |
| Printer | Built-in thermal printer |
| Housing Material | Corrosion- and heat-resistant ABS |
| Dimensions | 392 × 315 × 170 mm |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W510 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Photometric (Absorption Spectrophotometry) |
| Detectable Metals | Multi-parameter (e.g., Pb, Cd, Cr, Cu, Zn, Ni, As, Hg via compatible reagent kits) |
| Analysis Time | ≤10 minutes per sample |
| Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs / 20 min |
| Display | 8-inch HD color capacitive touchscreen |
| Language Support | English & Chinese |
| Sample Holders | Dual-position — 360° rotatable cuvette holder & standard 25 mm round cuvette slot |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 measurement records |
| Connectivity | USB interface |
| Output Modes | Concentration (mg/L, µg/L) or Absorbance (Abs) |
| Printer | Built-in thermal printer |
| Housing Material | Corrosion- and heat-resistant ABS |
| Dimensions (W×D×H) | 392 × 315 × 170 mm |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W880 |
| Instrument Type | Portable BOD Analyzer |
| Measurement Principle | Microbial Electrode Method |
| Measurement Range | 2–4000 mg/L |
| Detection Limit | 2 mg/L |
| Accuracy | ≤ ±5% |
| Single-Sample Measurement Time | 7.8 min |
| Incubation Temperature Range | 1.5–40 °C |
| Display | 8-inch capacitive touchscreen (1024 × 768 IPS) |
| Operating System | Android-based embedded OS |
| Data Storage Capacity | 80 million records |
| Power Supply | Built-in 30,000 mAh Li-ion battery + AC adapter |
| Connectivity | USB, Wi-Fi, Bluetooth, 4G LTE |
| Compliance | HJ/T 86–2002, Standard Methods for the Examination of Water and Wastewater (4th Ed.) |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W100 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, Free Chlorine, Chlorine Dioxide, Total Hardness, Permanganate Index (COD<sub>Mn</sub>), Ammonia Nitrogen, Ozone, Urea, Iron, Manganese |
| Turbidity Ranges | 0–20 NTU / 0–200 NTU / 0–1000 NTU |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Sample Cell | 16 mm & 25 mm Cuvettes |
| Display | 5-inch HD Color Touchscreen |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage | 1,000,000 Records |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Units | Concentration or Absorbance |
| Housing Material | Corrosion-Resistant ABS |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W130 |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Photometric Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs/20 min |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Display | 5-inch HD Color TFT Touchscreen |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 Records |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Interface | USB Type-C (Charging & Data Transfer) |
| Housing Material | Corrosion-Resistant ABS |
| Readout Modes | Concentration & Absorbance |
| Turbidity Measurement Modes | Standard, Low-Turbidity, Signal-Averaging, and Rapid-Settling |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W200 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principle | Colorimetric Method |
| Measured Parameters | Turbidity (0–20 NTU / 0–200 NTU / 0–1000 NTU), Color, Free Chlorine, Chlorine Dioxide, Permanganate Index (COD<sub>Mn</sub>), pH, Odor & Taste, Visible Particulates, Total Coliforms, Heterotrophic Plate Count (HPC) |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 7-inch HD color TFT capacitive touchscreen |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Detection Positions | Dual-path 16 mm & 25 mm cuvette slots + dedicated electrode port |
| Calibration Modes | Blank, Factor, and Multi-point Curve Calibration |
| Data Storage | 1,000,000 records with timestamp, sample ID, and operator tag |
| Power Supply | Rechargeable Li-ion battery (field operation) + AC adapter (lab continuity) |
| Battery Diagnostics | Real-time SOC monitoring with low-power alert |
| Connectivity | USB 2.0 interface |
| Printing | Integrated thermal printer |
| Operating Environment | 0–50 °C, RH 0–95% (non-condensing) |
| Housing Material | Flame-retardant ABS with chemical resistance |
| Rated Power | 1.2 W |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Dr-W690 |
| Detection Principle | Chlorophyll Fluorescence Method |
| Chlorophyll a Range | 0.01–500 µg/L |
| Cyanobacteria Range | 0–50 × 10⁶ cells/L |
| Detection Limit | 0.01 µg/L (Chl-a) / 1 × 10⁴ cells/L (Cyanobacteria) |
| Accuracy | ±5% FS |
| Resolution | 0.01 µg/L (Chl-a), 1 × 10⁴ cells/L (Cyanobacteria) |
| Measurement Time | 20 s |
| Display | 8-inch HD color TFT capacitive touchscreen |
| Sample Cell | Dedicated 10-mm square quartz cuvette |
| Data Storage | 1,000,000 records with timestamp, ID, and operator tag |
| Connectivity | USB 2.0 interface |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | 5–40 °C, RH <85% non-condensing |
| Housing Material | Flame-retardant ABS with IP54-rated enclosure |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Dr-W850 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Microbial Electrode Method |
| Measurement Range | 2–4000 mg/L |
| Detection Limit | 2 mg/L |
| Accuracy | ≤ ±5% |
| Single-Sample Analysis Time | 8 min |
| Incubation Temperature Range | 5–40 °C (ambient) |
| Display | 8-inch HD color capacitive touchscreen |
| Sample Volume | 50 mL |
| Data Storage Capacity | 1,000,000 records |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Rated Power | 48 W |
| Operating Humidity | <85% RH (non-condensing) |
| Microbial Membrane | Dry-layer immobilized biocatalyst membrane, non-toxic and biocompatible |
| Membrane Shelf Life | ≥12 months (dry storage at room temperature) |
| Active Service Life | ≥30 days post-hydration |
| Auto-sampling | Integrated peristaltic pump with multi-channel valve switching |
| Cleaning Mode | Fully automated rinse cycle |
| Oxygen Supply | Membrane-integrated pulsed oxygenation system |
| Thermal Control | Digital pulse-width modulated (PWM) ambient-temperature stabilization |
| Data Export | USB 2.0 interface |
| Built-in Thermal Printer | Yes |
| Brand | Dr-Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W960 |
| Instrument Type | Portable |
| Biological Indicator | Bioluminescent Bacteria (Aliivibrio fischeri, Vibrio qinghaiensis, Photobacterium phosphoreum) |
| Operating Temperature | 10–40 °C (ambient) |
| Detection Time | ≤15 min post-sample preparation |
| Light Detection Range | 300–1100 nm |
| Photodetector | Silicon Photomultiplier (SiPM) |
| Display | 5″ IPS Capacitive Touchscreen (1024×768) |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Connectivity | USB-C, Wi-Fi, Bluetooth 5.0, 4G LTE |
| Data Storage | ≥10 million test records |
| Compliance | ISO 11348-3, GB/T 15441-1995 |
| Toxicity Quantification | Relative Luminescence Inhibition (%) → Converted to Equivalent Toxic Unit (TU) or Reference Toxicant (e.g., ZnSO₄·7H₂O mg/L) |
| Accuracy | ±1% RSD (n=3, vs. certified reference standard) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-WCl |
| Instrument Type | Portable |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measuring Parameter | Free Chlorine (Residual Chlorine) |
| Range | 0.02–2.00 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ ±2% |
| Resolution | 0.001 mg/L |
| LOD | 0.02 mg/L |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 5-inch HD color TFT touchscreen |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Sample Cell | 16 mm and 25 mm round cuvettes |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Interface | USB Type-C (charging & data transfer) |
| Print Output | Built-in thermal printer |
| Readout Modes | Concentration (mg/L) and Absorbance (Abs) |
| Housing Material | Corrosion- and heat-resistant ABS |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-YZ60 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | pH, Dissolved Oxygen (DO), Ammonia Nitrogen (NH₃-N), Nitrate Nitrogen (NO₃⁻-N), Nitrite Nitrogen (NO₂⁻-N), Water Temperature |
| pH Measurement Range | 6.5–8.5 pH |
| Repeatability | ≤ ±2% |
| Accuracy | ≤ ±5% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Optical Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Light Source | Imported Cold Light LED (Lifespan > 100,000 h) |
| Sample Cell | 16 mm & 25 mm Cuvettes |
| Display | 5-inch HD Color Touchscreen |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage Capacity | 1,000,000 Records |
| Interface | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Modes | Concentration & Absorbance |
| Housing Material | Corrosion-Resistant ABS |
| Printing | Built-in Thermal Printer |
| Language Support | English & Chinese |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | BD6-100 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ±8% |
| Incubation Temperature | 20 °C ±1 °C |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Sample Capacity | 6 independent channels |
| BOD Vial Volume | 580 mL |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions (W×D×H) | 480 × 390 × 780 mm |
| Shelf Configuration | 3 adjustable stainless-steel shelves |
| Optional Accessories | RS485 interface, 25 mm test port, USB port |