Water Quality Analysis
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Showing 301–330 of 952 results
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BD6-150-XII |
| 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 |
| Resolution | 0.01 mg/L |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Incubation Chamber Dimensions (W×D×H) | 480 × 390 × 780 mm |
| Sample Capacity | Up to 6 independent BOD bottles (580 mL each) |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Optional Interfaces | RS485, USB, 25 mm test port |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | BD6-70 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Manometric (Pressure-Difference) Method |
| Measurement Range | 0–4000 mg/L |
| Accuracy | ±8% |
| Single-Sample Test Duration | 1–30 days |
| Incubation Temperature | 20 °C ±1 °C |
| Resolution | 0.01 mg/L |
| Data Storage Capacity | 10 years |
| Battery Life | ≥2 years |
| Temperature Control Range | 0–65 °C |
| Temperature Uniformity | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Chamber Dimensions (W×D×H) | 450×320×500 mm |
| BOD Vial Capacity | 580 mL |
| Number of Independent BOD Channels | 6 |
| Built-in Stirring Function | Yes |
| Direct Digital Readout | Yes |
| Optional Interfaces | RS485, USB, 25 mm Test Port |
| Brand | DRETOP |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | BD6-70E |
| Price Range | USD 4,200 – 7,000 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 1 mg/L |
| Accuracy | ±8% |
| Single-Sample Incubation Duration | 1–30 days |
| Incubation Temperature | 20 °C ±1 °C |
| Resolution | 0.01 mg/L |
| Temperature Stability | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Sample Capacity | 6 independent channels |
| Cultivation Vessel Volume | 580 mL |
| Data Storage Duration | 10 years |
| Battery Life | ≥2 years |
| Power Supply | AC 220 V, 50 Hz |
| Dimensions (W×D×H) | 450×320×500 mm |
| Shelf Quantity | 2 adjustable stainless-steel shelves |
| Communication Interface | RS485 (optional), USB (optional), Bluetooth data upload & print (standard) |
| Brand | SYSTEA |
|---|---|
| Model | EasyColi |
| Measurement Principle | Standard Enzyme-Substrate Method (MPN, P/A, TTD) |
| Compliance | HJ 1001-2018, ISO 9308-1:2014 |
| Detection Limit | 1 MPN/100 mL |
| Upper Detection Range | >20,000 MPN/100 mL |
| Sample Throughput | 28 fully automated MPN tests per cycle |
| Sample Independence | Individual incubation chambers per sample |
| Integrated Cleaning Station | Yes |
| Regulatory Support | GLP-compliant data logging, audit trail enabled |
| Software Interface | Touchscreen GUI with real-time assay progress visualization |
| Application Scope | Surface water, drinking water, groundwater, recreational bathing waters, municipal wastewater, industrial effluents |
| Brand | SYSTEA |
|---|---|
| Origin | Zhejiang, China |
| Model | EasyTox Max |
| Detection Principle | Bioluminescent Bacterial Inhibition Assay (using *Aliivibrio fischeri*, *Photobacterium phosphoreum*, or *Vibrio qinghaiensis* Q67) |
| Toxicity Output | % Inhibition (qualitative) and EC50 (quantitative, 160× dilution capability) |
| Measurement Frequency | As fast as 2.5 min/cycle |
| Exposure Time | Programmable from 5 min to 24 h |
| Compliance | ISO 11348-3, GB/T 15441 |
| Reagent Storage | Integrated 4–8 °C refrigerated compartment |
| Cleaning | Automated washing station with dedicated rinse cycles |
| Control Interface | Industrial-grade capacitive touchscreen with full programmability |
| Bacterial Maintenance Interval | 8–16 weeks (with on-board reactivation of lyophilized cultures) |
| Brand | SYSTEA |
|---|---|
| Model | EasyTox |
| Measurement Principle | Bioluminescence Inhibition Assay using Marine Luminescent Bacteria (Aliivibrio fischeri, Vibrio qinghaiensis sp.-Q67, or Photobacterium phosphoreum) |
| Compliance | ISO 11348-3, GB/T 15441 |
| Detection Mode | Qualitative (Inhibition Rate %) and Quantitative (EC₅₀) |
| Dilution Range | Up to 160× automated dilution |
| Measurement Interval | 60 s per sample cycle |
| Bacterial Culture Maintenance Interval | 7–14 days |
| Reagent & Control Storage | Integrated 4–8 °C refrigerated compartment |
| Cross-Contamination Control | Dedicated cleaning station with multi-stage rinse protocol |
| User Interface | Programmable touchscreen HMI with full workflow automation |
| Sample Types | Surface water, drinking water, groundwater, municipal wastewater, industrial effluent, seawater |
| Brand | SYSTEA |
|---|---|
| Origin | Zhejiang, China |
| Model | EasyTox Pro |
| Measurement Principle | Bioluminescent Bacterial Assay (Aliivibrio fischeri) |
| Quantification Output | EC₅₀ (Half-Maximal Effective Concentration) |
| Analysis Platform | Automated Discrete Analyzer with Robotic Arm |
| Sample Throughput | Dual-channel simultaneous analysis |
| Reaction Vessel Capacity | 80-position rotating cuvette carousel |
| Signal Acquisition Interval | 60 s |
| Assay Duration | 2.5–30 min per sample |
| Bacterial Rehydration | Fully automated lyophilized culture reactivation |
| Operational Autonomy | Up to 90 days unattended (with refrigerated reagent/culture storage) |
| Regulatory Compliance | ISO 11348-3:2007 and GB/T 15441–1995 methods programmable |
| Data Integrity | Audit-trail-enabled software compliant with GLP/GMP documentation requirements |
| Refrigerated Storage Compartment | Dedicated 4 °C zone for lyophilized bacteria, controls, and reagents |
| Cross-Contamination Control | Integrated cleaning station with sequential rinse/flush protocols |
| QC Features | Real-time bioluminescence viability monitoring, dual parallel blank/sample measurement, automatic result validation logic |
| Brand | ECH |
|---|---|
| Origin | Germany |
| Type | Laboratory Analyzer |
| Model | Sulfimax GX |
| Measurement Range | 0.01–10,000 ppm H₂S |
| Detection Limit | 0.01 ppm |
| Resolution | 0.1 µg absolute |
| Analysis Time | 2–10 min (typical: 5 min) |
| Sample Volume | 0.01–20 mL |
| Gas Flow Rate | up to 50 L/h |
| Power Supply | 230 V/50 Hz or 115 V/60 Hz |
| Power Consumption | 150 W |
| Dimensions (W×D×H) | 480 × 390 × 290 mm |
| Weight | 11 kg |
| Data Interface | RS-232 / USB (with converter) |
| Software Control | PC-based (PC not included) |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 81180 |
| Price | Upon Request |
| Display | LCD |
| Operating Frequency | 200 kHz (Beam Width: 24°) |
| Depth Measurement Range | 0.6–80 m |
| Waterproof Rating | IP68 (50 m submersion rated) |
| Power Supply | 9 V alkaline battery (IEC 6F22 / ANSI 006P) |
| Brand | Eigenbrodt |
|---|---|
| Country of Origin | Germany |
| Model | NMO191 |
| Measurement Parameters | pH, Electrical Conductivity, Precipitation Intensity, Cumulative Precipitation Volume |
| Temperature-Controlled Measurement Chamber | 4–7 °C (active refrigeration with auto-defrost) |
| Collection Area | 500 cm² |
| Compliance | VDI 3870 (German Association of Engineers) |
| Enclosure | Double-walled insulated PVC housing |
| Sensor Interface | RS 85 precipitation sensor (standard), optional IRSS 88 or NRS 80 |
| Control System | SIEMENS® LOGO® programmable logic modules |
| Sample Handling Options | Single-bottle (5 L HD-PE), 8-day sequential (8 × 750 mL or 8 × 1000 mL HD-PE), with bottom-heated bottle tray |
| Materials | Chemically inert components throughout (HD-PE, borosilicate glass optional), corrosion-resistant fittings |
| Cooling System | FCKW-free plate-evaporator refrigeration unit with forced ventilation and particulate filter |
| Origin | Fujian, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | Xiamen Lawlink |
| Price Range | USD 70,000 – 140,000 |
| Brand | Environ Lab |
|---|---|
| Origin | USA |
| Model | ChloroTech121A |
| Detection Principle | Dual-Channel UV-Induced Fluorescence |
| Weight | <500 g |
| Protection Rating | IP67 |
| Power Supply | 4 × AAA batteries (≥1000 measurements per set) |
| Calibration | Integrated reference module |
| Sample Format | Disposable cuvettes |
| Measurement Modes | Live chlorophyll a, Extracted chlorophyll a, Turbidity (any two simultaneously) |
| Compliance | Designed for field-deployable environmental monitoring per EPA Method 445.0 and ISO 10260:2021 |
| Brand | Environ Lab |
|---|---|
| Origin | USA |
| Model | Multipro |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurable Parameters | Depth, Temperature, Turbidity, Dissolved Oxygen (DO), pH/ORP, Conductivity (Salinity, Total Dissolved Solids), Chlorophyll-a, Phycocyanin (Blue-Green Algae), Oil-in-Water, Ammonia-Nitrogen*, COD (UV254)* |
| IP Rating | IP67 |
| Maximum Submersion Depth | 250 m |
| Probe Interchangeability | User-replaceable in field without tools |
| Modular Architecture | Independent housing for battery compartment and electronics |
| Operating Modes | Standalone portable operation and fixed online deployment |
| Data Storage | Internal memory for autonomous field station operation |
| Sensor Capacity | Up to 7 simultaneous sensors |
| Housing Material | Polyoxymethylene (POM) and titanium alloy |
| Temperature Compensation | PT1000 sensor (±0.1 °C accuracy) across all compatible probes |
| Brand | Environ Lab |
|---|---|
| Origin | USA |
| Model | OilTech121 |
| Instrument Type | Portable |
| Measurement Principle | UV-Induced Fluorescence Spectrophotometry |
| Measurement Range | 0–1000 ppm and 50 ppb–50 ppm (dual-range) |
| Detection Limit | <5 ppb |
| Accuracy | ±5% of reading |
| Resolution | 1 ppb |
| Measurement Frequency | 60 tests/hour |
| Measurement Time | ≤5 seconds per test |
| Display | Backlit LCD |
| Operating Temperature | 5–40 °C |
| Auto Power-Off | After 3 minutes of inactivity |
| Dimensions | 195 × 100 × 70 mm |
| Weight | 500 g (including batteries) |
| Power Supply | 4 × AAA alkaline batteries (>1000 tests per set) |
| Enclosure Rating | IP67 |
| Compliance | EPA Method 1664A-compatible solvent usage (e.g., n-hexane), ASTM D7678 referenced |
| Sample Vessel | Disposable quartz-cuvette-style microcell (1.5 mL volume) |
| Brand | Environmental Express |
|---|---|
| Origin | USA |
| Model | HotBlock® TKN Series |
| Temperature Range | Ambient to 450°C |
| Configurations | 28-position or 54-position |
| Heating Block Material | 316 Stainless Steel |
| Controller Type | Optional Advanced Touchscreen (up to 8 preloaded methods, 20-step programmable ramping) |
| Power Supply | 240 VAC, 50/60 Hz |
| Compliance | Designed for ASTM D5179, EPA 351.2, ISO 11905-1, and USP <467> residual nitrogen workflows |
| Sample Tube Compatibility | Standard threaded digestion tubes compatible with SimpleDist® distillation systems |
| Safety Design | Controller mounted externally to fume hood |
| Brand | ERALYTICS |
|---|---|
| Origin | Austria |
| Model | ERACHECK ECO/PRO |
| Instrument Type | Portable |
| Measurement Principle | Quantum Cascade Laser Infrared (QCL-IR) Spectrophotometry |
| Measurement Range | Water: 0.1–2000 ppm (PRO), 0.5–1000 ppm (ECO) |
| Soil | 7–72,000 mg/kg (PRO), 18–36,000 mg/kg (ECO) |
| Detection Limit | 0.1 ppm (water), 7 mg/kg (soil) |
| Accuracy | ±0.1% of reading |
| Resolution | 0.01 ppm (water) |
| Repeatability | <0.1 ppm (PRO), <0.5 ppm (ECO) |
| Analysis Time | 2 min (PRO), 5 min (ECO) |
| Extraction Solvent | Cyclohexane |
| Compliance | ASTM D7678, D7066, EPA Method 418.1, DIN 38409-H18, ISO 9377-2, EPA 1664 |
| Brand | ERUN |
|---|---|
| Model | ERUN-SP3-L |
| Origin | Shaanxi, China |
| Type | Portable microbial analyzer |
| Detection Targets | Escherichia coli, total coliforms, thermotolerant coliforms, heterotrophic plate count (HPC) |
| Filtration Pore Size | 0.45 µm |
| Weight | <3.5 kg |
| Temperature Control Range | 10–60 °C |
| Operating Temperature Range | 0–60 °C |
| Power Supply | Rechargeable battery, vehicle charger, AC adapter |
| Display | LCD with Chinese UI |
| Data Interface | Micro-USB |
| Sterilization Method | Flame sterilization (1200 °C) compatible for filtration components |
| Culture Vessel Compatibility | Up to 4 standard glass Petri dishes or 20 aluminum dishes |
| Compliance | GB/T 5750.12–2023, GB/T 5750.13–2006, HJ 1001–2018 |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | ERUN-SP5-D4 |
| Instrument Type | Portable |
| Detection Method | Spectrophotometric (ISO 6703-1 compliant) |
| Measurement Range | 0.01–0.50 mg/L CN⁻ |
| LOD | 0.005 mg/L |
| Accuracy | ±5% FS |
| Repeatability | ≤3% RSD |
| Optical Stability | ΔA < 0.002 in 20 min |
| Display | Backlit LCD |
| Data Storage | 20 calibration curves + 199 timestamped results (YYYY-MM-DD HH:MM:SS, Absorbance, Transmittance, Concentration) |
| Power Supply | 4 × AA batteries |
| Enclosure | IP65-rated ABS housing |
| Dimensions | 80 × 230 × 55 mm |
| Weight | 500 g |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH (non-condensing) |
| Compliance | GB 5749-2022, GB 3838-2002, ISO 6703-1:2018 |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ERUN-SP7-18 |
| Instrument Type | Portable |
| Detection Principle | Photometric (Colorimetric) Method |
| Detectable Metals | Cu, Zn, Cr(VI), Pb, Hg, Ni, Fe, Mn, Al, Cd, As, Ag, Mo, Be, B, Sb, Ba |
| Analysis Time | ≤3 min per parameter |
| Accuracy | ±5% of Full Scale (F.S.) |
| Resolution | 0.1 mg/L (for most parameters) |
| Repeatability | ≤3% RSD |
| Optical Stability | Drift < 0.002 A in 20 min |
| Display | 5.0-inch TFT LCD |
| Data Storage | 100 calibration curves + 1999 tagged measurement records (with timestamp & parameter ID) |
| Power Supply | Internal rechargeable Li-ion battery + AC adapter (dual-power system) |
| Dimensions | 410 × 300 × 130 mm |
| Weight | 4.0 kg |
| Power Consumption | <10 W |
| Output | Built-in thermal printer |
| Connectivity | USB port |
| Measurement Modes | Concentration, Absorbance, Transmittance |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ERUN-SLBOD-B |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Mercury-Free Pressure Differential Method |
| Measurement Range | 0–4000 mg/L (direct reading) |
| Detection Limit | 5 mg/L |
| Accuracy | ±8% |
| Repeatability | ≤3% |
| Resolution | 0.01 mg/L |
| Sampling Points per Cycle | Up to 60 |
| Incubation Bottle Volume | 580 mL |
| Temperature Control | 20 ±1 °C |
| Incubation Duration | 1–30 days (user-selectable) |
| Data Storage Capacity | ≥10 years of measurement records |
| Power Supply | AC 220 V ±10%, 50–60 Hz |
| Battery Backup | Integrated Li-ion, >2 years service life |
| Number of Independent Channels | 6 |
| Stirring Mechanism | Programmable magnetic stirring |
| Display | Large backlit LCD |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | ERUN-ST7-B4 |
| Instrument Type | Laboratory Benchtop Volatile Phenol Analyzer |
| Measurement Principle | Spectrophotometry (4-Aminoantipyrine Method per ISO 6439 & HJ 503-2009) |
| Range | 0.2–10.00 mg/L |
| Accuracy | ±5% FS |
| Repeatability | ≤2% RSD |
| Baseline Drift | <0.002 Abs/30 min |
| Wavelength Selection | Auto-selectable (500 nm standard for phenol detection) |
| Optical System | Fixed-wavelength LED-based photometer with calibrated optical path |
| Light Intensity Control | 16-step adjustable intensity |
| Calibration Curve Options | Linear or Multi-point Nonlinear (up to 8 calibration points) |
| Data Storage | 100,000 records (timestamp, absorbance, transmittance, concentration, user ID, curve ID) |
| Display | 7-inch capacitive color touchscreen with on-screen operation guide |
| Connectivity | USB 2.0 host port for data export (CSV format), no network or cloud interface |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Environmental Requirements | Stable lab environment — no direct sunlight, minimal vibration, low EMI |
| Compliance | Designed to support compliance with ISO/IEC 17025 quality management systems |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | ERUN-ST7-D4 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Spectrophotometric Method (ISO 6439, APHA 4500-CN⁻ F/G) |
| Wavelength Selection | Automatic, Dual-Beam Optical System |
| Wavelength Repeatability | ±0.2 nm |
| Photometric Range | 0–3.0 A |
| Light Intensity Control | 16-step Adjustable LED Source |
| Calibration Modes | Linear & Multi-Point Nonlinear (Piecewise) |
| Data Storage Capacity | 100,000 Records with Timestamp, Sample ID, Operator ID, and Calibration Log |
| Data Recovery | Built-in Backup/Restore for Calibration Curves & Measurement History |
| Auto-Reset Function | Factory Reset with Audit-Trail Preserved |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% |
| Operating Environment | 10–35 °C, RH ≤85% (non-condensing), Vibration- and EMI-Shielded Lab |
| Measurement Range | 0.01–0.50 mg/L CN⁻ |
| Accuracy | ±5% of Full Scale |
| Repeatability (RSD) | ≤2% |
| Baseline Drift | <0.002 A/30 min |
| Compliance | Designed to support ISO/IEC 17025 workflows, GLP-compliant data integrity per FDA 21 CFR Part 11 (audit trail enabled) |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | ERUN-SZ1-A-K3 |
| Price | Upon Request |
| Measurement Principle | Constant-Voltage Electrochemical (Membrane-Free) |
| Range | 0–20.00 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±1% FS |
| Temp. Compensation | 0–60 °C |
| Output | 4–20 mA (4-wire, max 750 Ω) |
| Communication | RS-485 (Modbus RTU, partial compatibility) |
| Relay Outputs | 2 × AC220 V / 3 A (High/Low Alarm) |
| Display | Dot-matrix LCD with Chinese UI |
| Enclosure Rating | IP65 |
| Housing Material | ABS |
| Mounting | Panel-mount (92 × 92 mm cutout, 100 × 106 × 168 mm unit) |
| Power Supply | AC220 V or DC24 V/12 V |
| Data Storage | 50 data points + optional historical trend logging (50 groups) |
| Watchdog | Integrated |
| Backup Memory Retention | >10 years |
| Auto Calibration Recognition | Supported |
| Temp. Sensor | Built-in, automatic compensation |
| Software Option | PC-based data acquisition & analysis suite (optional) |
| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Model | ERUN-SZ4-K4 |
| Instrument Type | Online Analyzer |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Measurement Range | 0–5 mg/L and 0–20 mg/L (dual-range) |
| Accuracy | ±3% of reading |
| Repeatability | ±3% |
| Resolution | 0.001 mg/L |
| Limit of Detection | 0.030 mg/L |
| Response Time (T90) | ≤90 s |
| Measurement Principle | Amperometric Electrochemical Detection (Three-Electrode System with Membrane-Covered Gold Working Electrode) |
| Temperature Range | −5 to 60 °C |
| Temp. Accuracy | ±0.4 °C |
| Temp. Resolution | 0.1 °C |
| Operating Voltage | DC 9–28 V |
| Power Consumption | ≤0.5 W (peak) |
| Output Options | RS485 (Modbus RTU), 4–20 mA (optional) |
| Enclosure Rating | IP68 |
| Pressure Rating | <0.1 MPa |
| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | ETN9310 |
| Pricing | Available Upon Request |
| Instrument Type | Portable Water Sampler |
| Bottle Sampler Capacity | 1 L, 3 L |
| Rope Length | 20 m |
| Handheld Sampler Capacity | 0.5 L, 1 L |
| Telescopic Handle Length | 70–150 cm |
| Brand | Euro Tech |
|---|---|
| Origin | Shanghai, China |
| Model | ET1020A |
| Instrument Type | Laboratory TOC Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Oxidation Method | High-Temperature Catalytic Combustion |
| Measurement Range | 0.5 ppm – 10,000 ppm |
| Accuracy | ±3% for TC/TIC/TOC |
| Resolution | 1 ppb |
| Detection Efficiency | ≥95% at 10 ppm |
| Repeatability | 3% RSD |
| Brand | EURO TECH |
|---|---|
| Origin | Shanghai, China |
| Model | ET1151M |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Rapid Digestion Spectrophotometry |
| Wavelengths | 420 nm, 610 nm |
| COD Range | 0–1000 mg/L |
| TN Range | 0–150 mg/L |
| TP Range | 0.02–20 mg/L |
| Accuracy | ≤ ±5% |
| Repeatability | RSD ≤ 3% |
| Detection Limit | 0.1 mg/L (COD), 0.01 mg/L (TP), 0.1 mg/L (TN) |
| Measurement Time | 20 min per sample |
| Throughput | 1 sample per run |
| Optical Source | High-Stability LED |
| Wavelength Accuracy | ±3 nm |
| Photometric Modes | Absorbance, Transmittance (%T), Concentration |
| Stability | ΔA < 0.005 over 20 min |
| Brand | EURO TECH |
|---|---|
| Origin | Shanghai, China |
| Model | ET1202 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Spectrophotometry (Dual-Wavelength Absorption at 3030 cm⁻¹, 2960 cm⁻¹, and 2930 cm⁻¹) |
| Measurement Range | 0–1000 mg/L |
| Detection Limit | 0.2 mg/L (CCl₄ extract), 0.4 mg/L (C₂Cl₄ extract) |
| Wavenumber Accuracy | ±2 cm⁻¹ |
| Wavenumber Reproducibility | ±1 cm⁻¹ |
| Spectral Scan Range | 3400–2400 cm⁻¹ |
| Resolution | 0.1 ppm (as oil equivalent) |
| Measurement Frequency | 2 measurements/minute |
| Baseline Drift | <0.005 AU/30 min |
| Linearity Coefficient | ≥0.999 |
| Repeatability | RSD ≤1% (at 40 mg/L oil standard) |
| Sample Measurement Time | 35 seconds |
| Output Interface | USB 2.0 |
| Power Supply | 220 V ±10%, 50 Hz |
| Dimensions | 50 × 38 × 22 cm |
| Weight | 15 kg |
| Brand | EURO TECH |
|---|---|
| Origin | Shanghai, China |
| Model | ET1302 |
| Measurement Principle | Pulsed Amplitude Modulated (PAM) Chlorophyll-a Fluorescence |
| Detection Target | Phytoplankton in 10–50 µm and <10 µm size fractions |
| Sample Volume | 4 mL |
| Response Time | ≤60 s per measurement |
| Optical Path | 10 mm × 10 mm quad-cell cuvette |
| Instrument Weight | 0.68 kg |
| Dimensions | 200 mm × 105 mm × 35 mm |
| Enclosure Material | Polycarbonate (IPX4 splash-resistant) |
| Operating Temperature | 5–40 °C |
| Power Supply | 4 × AA alkaline batteries |
| Data Storage | 500 measurement records |
| Connectivity | Bluetooth 4.2 |
| Compliance Reference | IMO Ballast Water Management Convention (BWMC) Regulation D-2, MEPC.127(53), MEPC.252(67) |
| Brand | Euro Tech |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Region of Origin | Domestic (China) |
| Model | ET1500 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Biological Indicator | *Aliivibrio fischeri* (lyophilized bioluminescent bacteria) |
| Operating Temperature Range | 15–40 °C |
| Reagent Storage Temperature | 2–8 °C (reconstituted), –20 °C (lyophilized long-term) |
| Coefficient of Variation (CV) | ≤1% (intra-assay, n=10 at IC₅₀ concentration) |
| Batch Capacity | 4 assay groups × 17 samples per group |
| Exposure Time | 0–99 s (programmable in 1-s increments) |
| Detection System | Photomultiplier Tube (PMT) |
| Spectral Response | 300–650 nm (peak sensitivity at 400 nm) |
| Light Measurement Range | 0–1,000,000 RLU (Relative Light Units) |
| Sample Vessel | 12 mm diameter × 55 mm height glass or polystyrene test tube |
| Data Storage | 1900 measurement records with timestamp, sample ID, and exposure time |
| Interface | RS-232C serial port for PC connectivity and data export |
| Display | Backlit LCD (128 × 64 pixels) |
| Power Supply | 4 × AA alkaline or Ni-MH rechargeable batteries (≥2600 mAh capacity) or external AC adapter (220 V ±10%, 50 Hz) |
| Dimensions (L×W×H) | 320 × 170 × 180 mm |
| Weight | 2.0 kg |
| Environmental Operating Conditions | 10–90% RH (non-condensing) |