Environmental Monitoring Instruments
Filter
Showing 1111–1140 of 2621 results
| Brand | DAJ |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | WGJ-III |
| Price Range | USD 14,000 – 21,000 |
| Excitation Source | Imported Pulsed UV Lamp (254 nm nominal) |
| Detection Limit (D.L.) | ≤0.01 ng/mL (3σ definition) |
| Uranium Quantification Range | 0–100.0 ng/mL |
| Precision (RSD) | ≤3% |
| Linearity Correlation Coefficient | r ≥ 0.9998 |
| Accuracy | ≤8% |
| Data Storage Capacity | ≥500,000 data points with retained calibration curves |
| Warm-up Stability | ≤±7% RSD over 8 h (2 ng/mL U standard, post 1-h warm-up) |
| Operating Environment | 10–40 °C, <85% RH (at 30 °C) |
| Dimensions | 491 × 364 × 208 mm |
| Net Weight | 10 kg |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Compliance | EJ/T 823–2017, HJ 840–2017, GB 23727–2020, HJ 61–2021, HJ 1009–2019, GB/T 5750–2023 |
| Brand | BBE Moldaenke |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | Daphnia Toximeter II |
| Instrument Type | Online Toxicity Monitor |
| Test Organism | Daphnia magna (water flea) |
| Operating Temperature Range | 0–35 °C |
| Reagent Storage Temperature | 0–30 °C |
| Brand | Dehoo Chuangrui |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DH2606 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Sample Capacity | 6 positions |
| Heating Method | Water Bath |
| Temperature Control Accuracy | ±1 °C |
| Control Interface | 7-inch Touchscreen |
| Temperature Regulation | PID Auto-Control |
| Automatic Water Fill/Drain | Yes |
| Power Supply | AC 220 V, 50/60 Hz, 3000 W |
| Dimensions | 1200 mm × 550 mm × 720 mm |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | DMS-3000 |
| Instrument Type | Online Continuous Monitoring System |
| Measurement Principle | Optical Light Scattering (Nephelometry) |
| Measured Parameters | PM2.5, PM10, TSP, Sound Pressure Level (dB(A)), Ambient Temperature (°C), Relative Humidity (%RH), Wind Speed (m/s), Wind Direction (°), Atmospheric Pressure (hPa) |
| Monitoring Method | 24-Hour Uninterrupted Automated Sampling & Data Logging |
| Power Supply | AC 220 V |
| Display | Waterproof LED Dot-Matrix Screen (540 mm × 1020 mm) |
| Relay Outputs | 2 channels (10 A / 250 V AC) for external equipment control (e.g., fog cannons) |
| Structural Mounting | Dual-Pole Vertical Mast (Lower Pole: 1500 mm |
| Upper Pole | 1325 mm) |
| Total Screen Assembly Dimensions | 2825 mm × 1020 mm |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | NQT-100i |
| Measurement Method | Alkaline Potassium Persulfate Digestion + UV Spectrophotometry |
| Range | Total Nitrogen 0–100 mg/L |
| Accuracy | ±2% of reading |
| Repeatability | ±1% |
| Wavelength Range | 190–1000 nm |
| Light Source Lifetime | 100,000 hours |
| Photometric Stability | ≤0.001 A/20 min |
| Display | 10-inch Touchscreen Tablet |
| Dimensions | 460 × 320 × 165 mm |
| Weight | 5.5 kg |
| Operating Environment | 5–35 °C, ≤85% RH |
| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | PDO-J10T |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic |
| DO Range | 0.00–20.00 mg/L (ppm) |
| DO Saturation Range | 0.0–200.0% |
| Temperature Range | 0.0–100.0 °C |
| DO Accuracy (Meter) | ±0.10 mg/L |
| (System w/ Probe) | ±0.40 mg/L |
| Saturation Accuracy | ±2.0% FS |
| Temperature Accuracy | ±0.1 °C |
| Barometric Pressure Accuracy | ±2% |
| DO Resolution | 0.01/0.1 mg/L |
| Saturation Resolution | 0.1% |
| Temperature Resolution | 0.1 °C |
| Response Time (90%) | ≤30 s at 25 °C |
| Stability | ±0.07 mg/L per hour |
| Data Storage Capacity | 2000 datasets (internal) |
| Compensations | Automatic temperature, manual salinity (0–45 ppt), manual barometric pressure (0–200 kPa) |
| IP Rating | IP54 |
| Power | Rechargeable 3.7 V / 1800 mAh Li-ion battery |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Brand | Delta-T Devices |
|---|---|
| Origin | United Kingdom |
| Model | PR2-4 |
| Measurement Principle | Frequency Domain Reflectometry (FDR) |
| Probe Depths | 10, 20, 30, and 40 cm |
| Output | Four analog voltage signals (0–1 V corresponding to 0–60 % vol) |
| Volumetric Water Content Range | 0–100 % vol (optimal accuracy: 0–40 % vol) |
| Accuracy | ±4 % vol (0–+40 °C, soil-specific calibration) or ±6 % vol (0–+40 °C, generic calibration) |
| Salinity Tolerance | 50–400 mS/m (pore water electrical conductivity) |
| Sensor Sensitivity Volume | Cylindrical zone of 10 cm diameter × 5 cm height (95 % contribution to reading) |
| Operating Temperature | –20 to +70 °C (optimal accuracy: 0–+40 °C) |
| IP Rating | IP67 (probe), IP52 (HH2 meter) |
| Power Supply | 5.5–15 V DC |
| Current Draw | <80 mA |
| Response Time | 1 s |
| Cable | Shielded 9-conductor, standard 1.5 m with M12 IP68 connector |
| Probe Material | Polycarbonate housing with stainless steel tip |
| Probe Dimensions | 750 mm length × 25.4 mm diameter |
| Probe Weight | 0.6 kg |
| HH2 Meter Display | 16×2 character LCD |
| HH2 Memory Capacity | 166–782 readings |
| HH2 Battery Life | ~4500 measurements on one 9 V alkaline cell |
| EMC Compliance | Meets EU EMC Directive 2014/30/EU |
| Brand | Deyang Yibang (DYYB) |
|---|---|
| Origin | Shanghai, China |
| Model | TCLP-6B |
| Oscillation Frequency | 0–45 rpm |
| Time Control Range | 0–9999 h |
| Sample Bottle Capacity | 6 positions |
| Temperature Range | Ambient +5°C to 55°C |
| Temperature Control Accuracy | ±1°C |
| Maximum Load Capacity | ≥150 kg |
| Bottle Opening Diameter | 120 mm |
| Power Supply | AC 220 V, 50/60 Hz |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | DFC-3BT |
| Price Range | USD 700–1,400 |
| Sampling Flow Rate | 5–30 L/min |
| Flow Accuracy | ≤ ±5% |
| Timing Accuracy | ≤ ±0.1% |
| Maximum Negative Pressure | ≥15,000 Pa |
| Charging Current | 300 mA (standard) |
| Power Supply | 10 V DC / 220 V AC, 50 Hz |
| Operating Temperature | −25°C to +45°C |
| Sound Pressure Level | ≤60 dB(A) |
| Relative Humidity | ≤85% RH |
| Dimensions | 200 × 160 × 140 mm |
| [Brand | DiJiang |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | DJ-212X |
| Pricing | Upon Request |
| Data Logger | 8 single-ended analog inputs, 4 pulse inputs, 3 voltage excitation terminals, 12 x 12V switch outputs, 8 SDI-12 ports, 4 RS485/RS232 interfaces |
| Analog Resolution | 12-bit (0–5000 mV range, 1.47 mV basic resolution, ±(0.1% of reading + 2 LSB) accuracy from −20 °C to +40 °C) |
| Internal Storage | 32 MB (supports ≥64,384 records at 1-hr interval ≈ 7.3 years) |
| Power | 11–24 V DC (solar + 12 V / 65 Ah sealed lead-acid battery) |
| Sleep current | 0.24 mA, Measurement current: 12 mA (excl. sensors), LTE transmission avg.: 40 mA |
| Communication | Modbus RTU over RS485/RS232, SDI-12, LTE CAT1 (embedded SIM), GPS + barometric pressure + board temperature sensors onboard |
| Enclosure | IP65, 350 × 250 × 120 mm, 4.5 kg |
| Inner Chamber | SUS304 stainless steel, diameters φ300–φ900 mm × heights 300–900 mm |
| Outer Chamber | Food-grade PP polymer, diameters 500–1100 mm × heights 450–1050 mm |
| Load Cell | Alloy aluminum or stainless steel platform |
| Drainage Sensor | Tipping bucket with reed switch, 0.2 mm (4.28 mL) resolution, ±4% accuracy |
| Soil Tri-sensor | Volumetric water content 0.88–81.88%, temperature −40 to +80 °C, EC 0–23,000 µS/cm, IP68 |
| Water Level Sensor | 0–1 m range, RS485 output, 316L stainless steel housing, −40 to +60 °C medium temp |
| Drainage Flow Rate | 1800 mL/min @ 12 V |
| Tripod | 2 m height, full SUS304 construction, 42 mm OD mounting pole] |
| Brand | DAIKI |
|---|---|
| Origin | Japan |
| Model | DIK-4201 |
| Infiltration Cylinder Dimensions (Large) | Ø300 mm × H350 mm, 6 kg |
| (Medium) | Ø290 mm × H350 mm, 5.5 kg |
| (Small) | Ø280 mm × H350 mm, 5 kg |
| Control Panel | 320 mm × 320 mm × 9 mm, 42 kg total system weight |
| Configuration | One large + one medium + one small infiltration cylinder, power adapter, control panel |
| Brand | DINGBLUE |
|---|---|
| Origin | Beijing, China |
| Model | WA-15 |
| Sampling Principle | Liquid Impaction via Tangential Cyclonic Flow |
| Sample Collection Medium | Aqueous Liquid (e.g., PBS, Viral Transport Medium) |
| Compatibility | Standard 15 mL or 50 mL Conical Centrifuge Tubes / Cryovials |
| Operating Temperature Range | −10 °C to 45 °C |
| Weight | < 2.5 kg |
| Power Supply | Rechargeable Li-ion Battery (≥8 h continuous operation) |
| Touchscreen Interface | 5-inch capacitive display with intuitive sampling protocol setup |
| Adjustable Sampling Duration | 1–60 min (1 sec resolution) |
| Cut-off Diameter (50% collection efficiency) | ≤ 0.65 µm (at 120 L/min flow rate) |
| Flow Rate | 100–130 L/min (calibrated, ±2% accuracy) |
| Compliance | Designed per ISO 14698-1:2003 (Biocontamination control), ASTM E2997-15 (Standard Practice for Bioaerosol Sampling), and aligned with CDC/NIOSH bioaerosol sampling guidance |
| Brand | Dianjiangkeji |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DJ-2132 |
| Pricing | Upon Request |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1204P |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical (Clark-type polarographic sensor) |
| Measurement Range | 0–50 mg/L |
| Accuracy | ±1% FS |
| Resolution | 0.001 mg/L |
| Calibration | Two-point calibration (air-saturated water & zero-oxygen solution) |
| Detection Limit | 0.001 mg/L |
| Temperature Compensation | Automatic (0–50 °C) |
| Display | 5-inch HD color TFT touchscreen |
| Data Storage | Up to 1,000,000 records |
| Power Supply | Rechargeable Li-ion battery + USB-C AC adapter |
| Electrode Protection Rating | IP68 |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Electrode Cable Length | Standard 3–5 m (customizable) |
| Multi-parameter Capability | Supports simultaneous or sequential measurement of DO, pH, EC, TDS, ORP, turbidity, temperature, salinity, chlorophyll-a, phycocyanin, suspended solids, free chlorine, COD, ammonia nitrogen, oil-in-water |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | Dr-M16 |
| Digestion Method | Rapid Digestion |
| Heating Module | Integrated Aluminum Block with Uniform Heat Distribution |
| Batch Capacity | 16 × Φ16 mm tubes (0–10 mL per tube) |
| Temperature Range | Ambient to 200 °C (reaches 165 °C in ≤10 min) |
| Temperature Accuracy | ±2 °C (displayed value error) |
| Temperature Uniformity | ≤2 °C across block |
| Timer Range | 0–24 h |
| Timer Precision | ±0.2 s/h |
| Rated Power | 560 W |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | 5–40 °C, RH ≤85% (non-condensing) |
| Safety Protections | Overtemperature cutoff (>210 °C), timed auto-shutdown, audible/visual alarms for heating completion and overtemp events |
| Housing Material | Flame-retardant ABS + stainless steel structural frame |
| Display | 7-inch full-color TFT touchscreen with six dedicated touch-control modules |
| Language Support | Default Chinese UI |
| Preloaded Methods | COD (Standard & Low-COD), Total Phosphorus (TP), Total Nitrogen (TN) |
| Software Upgradability | Yes, via USB or optional network interface |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W120 |
| Instrument Type | Portable |
| Measurement Principle | Optical (LED-based colorimetric method with interference-compensated photometry) |
| Measurement Range (DO) | 0.20–15.00 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | ≤ ±2% |
| Detection Limit | 0.20 mg/L |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤ ±0.005 Abs/20 min |
| Display | 5-inch HD color capacitive touchscreen |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Data Storage | 1,000,000 measurement records |
| Interface | USB Type-C (charging & data transfer) |
| Calibration Modes | Blank, Factor, and Curve calibration |
| Language Support | English / Chinese switchable |
| Sample Format | 16 mm and 25 mm round cuvettes |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Housing Material | Corrosion-resistant ABS |
| Printer | Built-in thermal printer |
| Readout Units | mg/L, ppm, or Abs |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | W600 |
| Detection Principle | Chlorophyll Fluorescence Method |
| Chlorophyll-a Range | 0.01–500 µg/L |
| Detection Limit | 0.01 µg/L |
| Cyanobacteria Range | 0–40 × 10⁶ cells/L |
| Resolution | 1 × 10⁴ cells/L (cyanobacteria), 0.01 µg/L (chlorophyll-a) |
| Accuracy | ±5% |
| Display | 8-inch IPS capacitive touchscreen (1024 × 768) |
| Operating System | Android-based embedded OS |
| Power | Rechargeable Li-ion battery + AC adapter |
| Data Storage | ≥10 million records |
| Connectivity | USB, Wi-Fi, Bluetooth, 4G |
| Compliance | Designed for field-deployable water quality monitoring per ISO 10260, ASTM D3921, and EPA Method 445.0 (fluorometric chlorophyll-a) |
| Origin | Shenzhen |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DIT-KDY-125 |
| Price | Upon Request |
| Brand | Dongshen Electronics (DSE) |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | FluviusTT |
| Pricing | Available Upon Request |
| Brand | Dongshen Electronics (DSE) |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | KanalisTT |
| Pricing | Available Upon Request |
| Brand | Doctor Water |
|---|---|
| Origin | Hunan, China |
| Model | Dr-BOD(6T) |
| Measurement Principle | Mercury-Free Pressure-Difference Method |
| BOD5 Range | 0–4000 mg/L |
| Accuracy | Compliant with Standard BOD5 Accuracy Requirements (Glucose-Glutamic Acid Reference Standard: 180–230 mg/L) |
| Sample Capacity | 6 Independent Channels |
| Incubation Temperature | 20 ± 1 °C |
| Data Logging Interval | Every 2 Hours |
| Incubation Duration | 1–30 Days |
| Bottle Volume | 580 mL |
| Data Storage Capacity | 100,000 Records |
| Stirring Modes | Continuous or Intermittent |
| Power Supply | AC 110–220 V, 50/60 Hz |
| Rated Power | 10 W |
| Battery Backup | Rechargeable Li-ion per Channel |
| Compliance | ASTM D5210, ISO 5815-1:2019, EPA 405-B-16-001 |
| 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 |
|---|---|
| Model | Dr-M1101 |
| Type | Portable Multi-Parameter Analyzer |
| Measurement Principle | Electrochemical Sensing (COD via catalytic oxidation current detection) |
| COD Range | 0–500 mg/L |
| COD Accuracy | ≤ ±5% FS |
| Detection Limit | Not Specified (Typical for electrochemical COD sensors: ~2 mg/L) |
| Measurement Time | < 60 s per parameter |
| Display | 8-inch HD color capacitive touchscreen |
| Data Storage | Up to 1,000,000 records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Electrode Protection Rating | IP68 |
| Electrode Interface | Digital smart interface with auto-recognition |
| Number of Simultaneous Channels | 6 independent digital electrode ports (expandable to 12) |
| Readout Modes | Real-time, Timed, Interval |
| Data Output | USB 2.0 |
| Language Support | English & Chinese |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1104 |
| Portability | Portable |
| Measurement Principle | Electrochemical (Clark-type polarographic sensor) |
| Range | 0–50 mg/L |
| Accuracy | ±1% FS |
| Detection Limit | 0 mg/L |
| Display | 8-inch HD color TFT touchscreen |
| Electrode Interface | 6 independent digital electrode ports (customizable to 8–12) |
| Data Storage | 1,000,000 measurement records |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| IP Rating | IP68 |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Electrode Cable Length | 3–5 m (customizable) |
| Auto Temperature Compensation | Yes |
| Reading Modes | Real-time, Timed, Interval |
| Data Output | USB interface |
| Built-in Thermal Printer | Yes |
| Language Support | English & Chinese |
| 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-M1201P |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Sensing (Reagent-Free) |
| COD Range | 0–500 mg/L |
| Accuracy | ≤ ±5% FS |
| Detection Limit | Not Applicable (Reagent-Free Electrochemical Estimation) |
| Measurement Time | < 60 s |
| Display | 5-inch HD Color Touchscreen |
| Data Storage | 1,000,000 Records |
| Power Supply | Rechargeable Li-ion Battery + USB-C AC Adapter |
| Electrode Interface | 3 Independent Digital Sensor Ports |
| Electrode Protection Rating | IP68 |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Compliance | Designed for Field & Lab Use per ISO 5814 (DO), ISO 7888 (EC), ISO 7027 (Turbidity), ASTM D1293 (pH), USP <643> (TOC/COD Correlation Context) |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-M1212P |
| Portability | Portable |
| Measurement Principle | Electrochemical & Optical (Nephelometric for Turbidity/Suspended Solids) |
| Display | 5-inch HD color capacitive touchscreen |
| Language Support | English & Chinese |
| Electrode Ports | 3 independent digital electrode slots |
| Electrode Interface | Plug-and-play digital electrodes with auto-recognition |
| Temperature Compensation | Automatic real-time compensation (0–50 °C) |
| Power Supply | Rechargeable Li-ion battery + USB Type-C AC adapter (dual-mode operation) |
| Data Storage | Up to 1,000,000 measurement records with timestamp, location (GPS optional), and electrode ID tagging |
| Data Output | USB Type-C interface for direct PC transfer |
| IP Rating | IP68-rated electrodes |
| Operating Environment | 0–50 °C, ≤85% RH (non-condensing) |
| Electrode Cable Length | Standard 3–5 m (customizable) |
| Compliance | Designed per ISO 7027 (turbidity), ISO 5814 (DO), ISO 7888 (EC/TDS), ASTM D1293 (pH), USP <643> (TOC proxy via COD), and GLP-aligned data integrity architecture |
| 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 |