Water Quality Analysis
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| Brand | Sea-Bird Scientific |
|---|---|
| Manufacturer | Satlantic (Canada) |
| Model | SUNA V2 |
| Detection Principle | In-Situ Ultraviolet Spectroscopy (ISUS) |
| Measurement Target | Nitrate-N (NO₃⁻) |
| Form Factor | Submersible, Online-Ready |
| Path Length Options | 5 mm or 10 mm |
| Detection Range | 0.5–4000 µM (0.007–56 mg/L as N) |
| Accuracy | ±2 µM (10 mm) / ±4 µM (5 mm) or ±10% |
| Short-Term Precision (3σ) | 0.3 µM (freshwater/seawater T-S corrected) |
| Long-Term Drift | ≤0.3 µM/h (T-S corrected) |
| Turbidity Tolerance | 625 NTU (10 mm), 1250 NTU (5 mm) |
| Wavelength Range | 190–370 nm |
| Lamp Lifetime | 900 h |
| Operating Voltage | 8–18 VDC (8–15 VDC with biowiper) |
| Power Consumption | 7.5 W (0.625 A @ 12 V) |
| Housing Material | Titanium / Acetal |
| Maximum Depth Rating | 500 m (100 m with biowiper) |
| Weight | 2.5 kg (3.1 kg with biowiper) |
| Brand | Sea-Bird Scientific |
|---|---|
| Origin | USA |
| Model | WQM |
| Instrument Type | Online Water Quality Analyzer |
| Measured Parameters | CTD (Conductivity, Temperature, Depth), Dissolved Oxygen (DO), Fluorescence (Chlorophyll-a), Turbidity (FLNTU) |
| Optional Parameters | CDOM, PAR, Phycocyanin, Phycoerythrin, pH |
| Conductivity Range | 0–9 S/m |
| Conductivity Accuracy | ±0.003 mS/cm |
| Conductivity Resolution | 0.0005 S/m |
| Temperature Range | −5 to 35 °C |
| Temperature Accuracy | ±0.002 °C |
| Temperature Resolution | 0.001 °C |
| Depth Range | 0–100 m or 0–200 m |
| Depth Accuracy | ±0.1% FS |
| DO Range | 0–120% saturation |
| DO Accuracy | ±2% saturation |
| DO Resolution | ±0.035% saturation |
| Chlorophyll Fluorescence Range | 0–30 µg/L |
| Fluorescence Accuracy | ±0.2% FS |
| Excitation/Emission | 470/695 nm |
| Turbidity Range | 0–25 NTU |
| Turbidity Accuracy | ±0.1 FS NTU |
| Detection Wavelength | 700 nm |
| Biofouling Mitigation | Pump-controlled flow, Copper anti-fouling panel, Light-shielded sample chamber, Rotating copper brush for optical surface cleaning, EPA-certified conductive cell anti-fouling ring, Bleach Injection System (BLIS) for DO and CTD channel protection |
| Brand | Sea-Bird Scientific |
|---|---|
| Manufacturer Origin | USA |
| Model | WQMX |
| Sensor Integration | CTD + FLNTU + DO + CDOM + Optional PAR/Phycocyanin/Phycoerythrin/pH |
| Depth Rating | 200 m |
| Power Input | 9–16 V DC |
| Communication | RS-232 |
| Sampling Rate | 1 Hz |
| Weight (air/water) | 6.25 kg / 1.7 kg |
| Biofouling Resistance | 3–6 months continuous deployment |
| Compliance | ASTM D888, ISO 5814, USP <643>, EPA Method 4500-O, GLP/GMP-ready data logging |
| Brand | SEAL |
|---|---|
| Origin | USA |
| Model | AQ2 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Parameters | Ammonia-N, Nitrate, Nitrite, Phosphate, Total Nitrogen, Total Phosphorus, Hexavalent Chromium, Alkalinity, Color, Hardness, Chloride, Sulfate, etc. |
| Throughput | Up to 150 samples/hour |
| Reagents | 15 × 43 mL (on-board refrigerated) |
| Sample Capacity | 57 × 2 mL or 100 × 1.2 mL removable trays |
| Reaction Temperature | Precisely controlled at 37 °C |
| Optical System | 7-position interference filter wheel (standard: 405, 480, 505, 520, 578, 660, 880 nm) |
| Calibration | Linear and up to 6th-order polynomial (20 calibration points supported) |
| Data Output | CSV, HTML reports |
| Compliance | CE-marked |
| Power | 110/115 V 60 Hz or 220/240 V 50 Hz |
| Dimensions | 68 × 41 × 55 cm (W × H × D) |
| Weight | 40 kg |
| Brand | SEAL |
|---|---|
| Origin | USA |
| Model | AQ400 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Parameters | COD, Ammonia-N, Nitrate-N, Nitrite-N, Orthophosphate, Hexavalent Chromium, Alkalinity, Color, Hardness |
| Compliance | EPA-Approved Methods |
| Optical Cell | Quartz, 1 cm standard pathlength (optional extended pathlength) |
| Sample/Reagent Capacity | High-throughput carousel configuration |
| Automation Level | Fully unattended operation with onboard cooling/non-cooling reagent positions |
| Detection Principle | UV-Vis Spectrophotometry (Discrete Reaction Kinetics) |
| Software | Method-driven, CFR Part 11-compliant data handling with audit trail |
| Regulatory Alignment | Designed for GLP/GMP and ISO/IEC 17025 environments |
| Brand | SEAL |
|---|---|
| Origin | USA |
| Model | AQ700 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Analytes | Ammonium, Nitrate, Nitrite, Chloride, Orthophosphate, Sulfate, Silicate, Hexavalent Chromium, Fluoride, Total Alkalinity, Total Hardness, Calcium, Magnesium, Iron, Ferrous Iron, Manganese, Aluminum |
| Compliance | ISO 15923-1 & ISO 15923-2 |
| Optical Cell | Quartz, 1 cm pathlength (optional extended pathlength available) |
| Sample Handling | 4 robotic arms, 4 sample trays, programmable sample addition during run |
| Reagent Management | Cooled and uncooled reagent positions, up to 10 working standards per calibration curve |
| Detection Principle | Fixed-position photometric absorbance measurement in static quartz cuvette |
| Reaction Control | Programmable incubation time (seconds to minutes), bubble-free segmented reaction simulation |
| Carryover Prevention | Probe external-wall washing during vertical motion, post-measurement deep-cuvette cleaning |
| Throughput | High-capacity unattended operation (overnight, multi-shift) |
| Brand | SEAL |
|---|---|
| Origin | Germany |
| Model | QuAAtro |
| Instrument Type | Laboratory Continuous Flow Analyzer (CFA) |
| Flow Cell ID | 1 mm |
| Temperature Control | Air-Circulating Thermostatic System (37 °C) |
| Max. Sample Throughput | 120 samples/hour |
| Optical Detection | LED-based Photometer with 24-bit ADC |
| Software | AACE v5.x (Automated Analysis Control Environment) |
| Channel Capacity | Up to 4 independent analytical channels per bench |
| Compliance | ISO 15682, EPA Methods 300.0, 353.2, 365.2, ASTM D5179, D5504 |
| Pumping System | Precision Micro-bore Peristaltic Pump with CrMoV Steel Rollers (±8 µm tolerance), Kel-F® fluidic tubing |
| Brand | Seapoint |
|---|---|
| Model | SCF |
| Origin | USA |
| Depth Rating | 6000 m |
| Excitation Wavelength | 470 nm |
| Emission Wavelength | 685 nm |
| Detection Limit | 0.02 µg/L |
| Output | 0–5.0 VDC |
| Response Time Constant | 0.1 s |
| Power Supply | 8–20 VDC, Avg. 15 mA, Max. 27 mA |
| Operating Temperature | 0–65 °C |
| Housing Material | ABS Plastic with Epoxy Underwater Connector (Push-Type AG-306/206) |
| Sensitivity Ranges | 1× (0.033 V/µg/L, 0–150 µg/L), 3× (0.1 V/µg/L, 0–50 µg/L), 10× (0.33 V/µg/L, 0–15 µg/L), 30× (1.0 V/µg/L, 0–5 µg/L) |
| Temperature Coefficient | <0.2 %/°C |
| Net Weight | 1000 g |
| Sensing Volume | 340 mm³ |
| Compatible With | Standard turbidity and fluorescence sensor interfaces |
| Brand | SEBA |
|---|---|
| Origin | Germany |
| Model | Dipper-TEC |
| Pressure Sensor Type | Ceramic |
| Measurement Principle | Compensated Piezoresistive Transduction |
| Water Level Range | 0–20 m (customizable up to 200 m) |
| Accuracy | ±0.05% FS (e.g., ±1 cm at 20 m range) |
| Resolution | 0.3 mm (0–10 m range) |
| Temperature Range | –5 °C to +50 °C |
| Conductivity Ranges | 0–200 µS/cm, 0–2 mS/cm, 0–20 mS/cm, or 0–200 mS/cm |
| Conductivity Accuracy | ±0.5% |
| Stability | ±0.1% FS/year |
| Data Storage | 1 MB flash memory (~480,000 records) |
| Sampling Interval | 1 min – 45 days |
| Operating Temperature | –20 °C to +70 °C |
| Battery Life | >10 years (60-min interval) |
| Housing Diameter | 22 mm |
| Length | 270 mm |
| Cable Max Length | 1000 m |
| Communication | RS485 (ASCII), optional Bluetooth |
| Enclosure Rating | IP67 (handheld unit) |
| Processor | 16-bit MCU (sensor unit) |
| Display | 240 × 320 TFT touchscreen, 1/4 VGA |
| Power | Rechargeable 3800 mAh NiMH battery (12–30 h operation) |
| Brand | SEBA |
|---|---|
| Country of Origin | Germany |
| Model | Dipper-TEC |
| Sensor Type | Ceramic Piezoresistive Pressure Transducer with Barometric Compensation |
| Water Level Range | 0–20 m (customizable up to 200 m) |
| Water Level Accuracy | ±0.05% FS (±1 cm at 20 m range) |
| Resolution | 0.3 mm (0–10 m range) |
| Long-Term Stability | ±0.1% FS/year |
| Temperature Sensor | PT1000 or NTC, Range: –5 to +50 °C, Accuracy: ±0.1 °C |
| Conductivity Sensor | 4-electrode cell, Ranges: 0–200 µS/cm, 0–2 mS/cm, 0–20 mS/cm, or 0–200 mS/cm, Accuracy: ±0.5% FS |
| Operating Temperature | –20 to +70 °C (sensor), 0 to +50 °C (conductivity cell) |
| Battery Life | >10 years @ 60-min logging interval |
| Memory | 1 MB Flash (≈480,000 data records) |
| Data Logging Interval | 1 min – 45 days |
| Communication | RS485 (ASCII), Optional Bluetooth (via handheld HAD reader) |
| Enclosure Diameter | 22 mm |
| Length | 270 mm |
| Max Cable Length | 1000 m |
| IP Rating | IP68 (sensor), IP67 (HAD reader) |
| Power Supply | Lithium primary battery (non-rechargeable) |
| Brand | SEBA |
|---|---|
| Origin | Germany |
| Model | KLL / KLL-T / KLL-Mini |
| Cable Options | 10–500 m |
| Depth Accuracy | ≤1 cm (up to 300 m) |
| Temperature Accuracy | ±0.10 °C (0–25 °C), ±0.15 °C (0–50 °C) |
| Conductivity Ranges | 4 selectable (20 μS/cm – 50 mS/cm) |
| Power | 6 V DC (KLL/KLL-T, 4 × 1.5 V AA) or 3 V DC (KLL-Mini, 2 × 1.5 V AA) |
| Operating Temp | −15 °C to +50 °C |
| Storage Temp | −40 °C to +80 °C |
| IP Rating | IP68 (probe), IP52 (reel) |
| Probe Diameter | 10–16 mm |
| Display | 8-character LCD (KLL-T) |
| Language Support | English, German, French, Spanish |
| Reel Material | Heat-resistant polymer |
| Frame Material | Anodized aluminum |
| Cable | PE-sheathed dual-steel-core corrosion-resistant cable |
| Brand | SEBA |
|---|---|
| Origin | Germany |
| Model | KLL-S |
| Sampling Capacity | 0.5 L (for 2″ wells), 1.0 L (for 4″ wells) |
| Well Diameter Compatibility | 2″ (50.8 mm) and 4″ (101.6 mm) boreholes |
| Standard Cable Length | 15–500 m (groundwater), 30 m (LNAPL, extendable) |
| Integrated Water Level Measurement | Yes |
| Optional Accessories | Tripod support frame, gasoline-powered air compressor (10 bar, 350 L/min, 3.7 kW, 72 kg), SU-2-N submersible pump system (30 m discharge hose with 50 cm graduations, mobile hose reel, venting & exhaust lines, 34 kg) |
| Brand | SEBA |
|---|---|
| Origin | Germany |
| Model | SEBAPULS |
| Technology | 26 GHz Pulse Radar |
| Accuracy | ±3 mm (SEBAPULS 30), ±5 mm (SEBAPULS 20), ±15 mm (SEBAPULS 70) |
| Measuring Range | 0–20 m / 0–30 m / 0–70 m |
| Operating Temperature | −40 °C to +80 °C |
| Output | 4–20 mA (standard), optional voltage output & remote telemetry (GSM/GPRS, satellite, landline) |
| Antenna Type | Plastic horn (SEBAPULS 20), stainless steel horn (SEBAPULS 30/70) |
| Housing | Aluminum enclosure, IP66 |
| Minimum Distance to Surface | 50 mm |
| Minimum Distance to Mounting Bracket | 20–30 cm |
| Power Consumption | Low-power design optimized for solar/battery operation |
| Diameter | 20 cm (SD20, black-and-white pattern) |
|---|---|
| Diameter | 30 cm (SD30, solid white) |
| Material | Acrylic disk, 304 stainless steel weight with threaded coupling |
| Scale tape | 20 m metal-reinforced tape reel with ergonomic handle |
| Compliance | Designed for field-based ASTM D1072 / ISO 7027-1–compatible transparency assessment |
| Portability | Handheld, non-powered, zero-consumable operation |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EXP |
| Instrument Type | Online Environmental Radiation Monitor |
| Detection Method | Geiger-Müller Tube (GM) |
| Radiation Types Detected | α, β, γ, and X-rays |
| Display | 4-digit LCD |
| Measurement Modes | CPM, CPS, mR/hr, µSv/hr, Total Count |
| Timer Range | 1 minute to 24 hours |
| Minimum Detectable Energy | 20 keV (γ-rays) |
| Dose Rate Range | 0.001–100 mR/hr (0.1–1000 µSv/hr) |
| Count Rate Range | 0–5000 CPS (0–300,000 CPM) |
| Total Count Range | 1–9,999,000 |
| Accuracy | ±15% at ≤500 µSv/hr |
| Gamma Sensitivity | 3500 CPM/mR/hr (Cs-137 reference) |
| Alpha Efficiency (Am-241, 5.5 MeV) | 18% |
| Beta Efficiency (Sr-90) | 38% |
| Physical Dimensions (L×W×H) | 8 × 3 × 15 cm |
| Power Supply | 9 V alkaline battery |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | BM-6000 |
| Instrument Type | Online Analyzer |
| Biological Agent | *Aliivibrio fischeri* (formerly *Vibrio fischeri*) bioluminescent bacteria |
| Operating Temperature Range | 0–40 °C |
| Reagent Storage Temperature | 0–40 °C |
| Temperature Control Accuracy | ≤ ±1 °C |
| Batch Capacity | 10 samples per cycle |
| Measurement Time | 5 min (default assay duration) |
| Measurement Principle | Dual-optical-path bioluminescence inhibition assay |
| Compliance Standard | ISO 11348-3:2007 & GB/T 15441–1995 |
| Photometric Range | 0–200% relative light units (RLU) |
| Reproducibility (CV) | ≤10% |
| Pure Water Light Loss | ±3% |
| Sample Injection Precision | ≤2% (syringe-based volumetric delivery) |
| Data Storage | ≥2 years at 1-hour measurement interval |
| Communication Interface | RS-232 / RS-485 (Modbus RTU protocol) |
| Analog Output | 4–20 mA DC (≤300 Ω load) |
| Display | 12.1″ capacitive touchscreen LCD |
| Dimensions (W×D×H) | 560 × 430 × 1600 mm |
| Weight | ~20 kg |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | DP8600 |
| Measurement Principle | Full-Spectrum Absorption Spectrophotometry |
| Wavelength Range | 190–1100 nm |
| Measurable Parameters | COD, Ammonia Nitrogen, Nitrate Nitrogen, Nitrite Nitrogen, Total Nitrogen, Total Phosphorus |
| Sample Holders | Cuvette (standard), 16 mm and 25 mm test tubes |
| Light Sources | Imported Deuterium Lamp (UV), Tungsten-Halogen Lamp (Vis) |
| Detector | Imported Photodiode Array |
| Display | 7-inch TFT color touchscreen (bilingual: English/Chinese) |
| Optical Functions | Photometric Mode, Quantitative Analysis, Standard Curve Construction, Kinetic Scanning, Full-Spectrum Scan |
| Data Storage | USB flash drive support |
| Custom Curve Capability | Yes |
| Optional Accessories | 5 cm and 10 cm sample holders |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Manufacture | China |
| Model | MP5300 |
| Pricing | Available Upon Request |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | SAI008 |
| Pricing | Upon Request |
| Measurement Principle | Hyperspectral Reflectance Analysis (400–1000 nm, 1 nm spectral resolution) |
| Measurable Parameters | COD, Ammonia-Nitrogen (NH₃-N), Total Phosphorus (TP), Total Nitrogen (TN), Chlorophyll-a, Turbidity, Secchi Depth, CODMn, Suspended Solids (SS), CDOM (optional), Attenuation Coefficient (optional) |
| Sampling Interval | Configurable down to 1 second |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | SEN806C |
| Instrument Category | Manual Water Sampler |
| Instrument Type | Portable Water Sampler |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | UCA1000 |
| Instrument Type | Algal Monitoring and Control System |
| Compliance | HJ 915-2017, GB 3838-2002, GB/T 12519-2010 |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ST106C |
| Digestion Method | Reflux Digestion |
| Heating Module | Dual Independent Ceramic Heating Blocks |
| Batch Capacity | 1–6 Samples |
| Temperature Range | 0–300 °C |
| Temperature Accuracy | ±2 °C |
| Digestion Vessel Volume | 500 mL |
| Timer Accuracy | ±1 min |
| Chloride Tolerance | 1000–20000 mg/L Cl⁻ |
| Nitrogen Flow Control | Proportional Distribution Valve (0–100 mL/min, per channel) |
| Digestion Time Setting | 0–999 min |
| Cooling System | Integrated Compressor-Based Closed-Loop Cooling |
| Control System | PLC + Touchscreen HMI |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Model | ST108M1 |
| Measurement Principle | Potassium Permanganate Oxidation with ORP Endpoint Detection |
| Range | 0.05–5.0 mg/L |
| Repeatability | ±3% RSD |
| Accuracy | ±2% of true value |
| LOD | 0.01 mg/L |
| Resolution | 0.01 mg/L |
| Single-Test Duration | 5 minutes |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ST1900 |
| Measurement Principle | Potassium Permanganate Oxidation with ORP Endpoint Detection |
| Instrument Type | Benchtop Laboratory Analyzer |
| Range | 0.05–5.0 mg/L as O₂ |
| Repeatability | ≤4% RSD |
| Accuracy | ±5% of reading |
| LOD | 0.05 mg/L |
| Resolution | 0.02 mg/L |
| Sample Throughput | 7.5 min per test |
| Sample Capacity | 29 positions |
| Heating Zones | 6 independent water-bath stations |
| Reagent Stations | 5 (H₂SO₄, Na₂C₂O₄, KMnO₄, NaOH, DI water) |
| Titration Precision | ≤0.03 mL |
| Power Supply | 220 V / 50 Hz |
| Main Unit Power | 3300 W |
| Auto-sampler Power | 800 W |
| Dimensions (W×D×H) | 1000 × 710 × 700 mm |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | ST201A1 |
| Instrument Type | Laboratory Benchtop System |
| Gas Flow Control | 6-channel linked rotameter (60–600 mL/min per channel, individually adjustable) |
| Heating Method | Constant-Temperature Water Bath |
| Temperature Range | 0–99 °C |
| Temperature Accuracy | ±1 °C (PID-controlled) |
| Power Rating | 2000 W |
| Safety Features | Leakage current protection |
| Automation Functions | Automatic acid addition, timed nitrogen purge, auto-fill/auto-drain water bath, real-time monitoring via integrated LCD touchscreen |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ST600D |
| Instrument Type | Laboratory Benchtop System |
| Measurement Principle | 2-Hour Reflux Digestion (Dichromate Oxidation Method) |
| Detection Wavelength | 500 nm |
| Measurement Range | 16–700 mg/L COD |
| Accuracy | ≤ ±8% |
| Repeatability | ≤ ±5% |
| Limit of Detection (LOD) | 4 mg/L |
| Cycle Time per Batch | ~10 minutes |
| Throughput | 48 samples per batch |
| Cooling System | Integrated Compressor-Based Closed-Loop Circulation |
| Compliance | GB 11914–1989 & HJ 828–2017 |
| Brand | SENTE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Instrument |
| Model | ST800L |
| Application | Laboratory-Based Water Quality Analysis |
| Measurement Principle | Spectrophotometry (UV-Vis) |
| Measuring Parameters | Total Phosphorus (TP) and Total Nitrogen (TN) |
| Measurement Range | TP: 0.01–0.6 mg/L |
| Detection Limit | 0.01 mg/L |
| Accuracy | ≤ ±5% |
| Instrument Class | Benchtop Automated Analyzer |
| Compliance Standards | GB 11893–1989 (TP), HJ 636–2012 (TN) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | Sentin Box |
| Pricing | Upon Request |
| Origin | Hebei, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | SERES 2000 CODMn |
| Measurement Principle | Potassium Permanganate Oxidation with ORP/Photometric Endpoint Detection |
| Range | 0–10 mg/L and 0–20 mg/L (expandable to 100 mg/L) |
| Repeatability | ≤3% RSD |
| Accuracy | ±3% of reading |
| LOD | 0.1 mg/L |
| Resolution | ≤0.01 mg/L |
| Analysis Time per Sample | 25 minutes |
| Brand | Shanghai Fumi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BOD-5000 |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Dissolved Oxygen (DO) Depletion Method per HJ 505–2009 |
| Measurement Range | 0.00–6000.00 mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±0.01 mg/L (at 20 °C, calibrated with traceable DO standards) |
| Sample Capacity | 62 positions |
| Incubation Temperature | 20.0 ± 0.1 °C (PID-controlled water-jacketed chamber) |
| Automatic Dilution | Yes, via stepper-motor-driven 50 mL syringe dispenser |
| Auto Sealing | Yes, proprietary gas-tight cap system eliminating water seal requirement |
| Nutrient & Inhibitor Addition | Automated, programmable dosing |
| DO Electrode Type | Polarographic membrane electrode with integrated magnetic stirrer (adjustable pre-measurement agitation duration) |
| Data Output | Ethernet-enabled LIMS integration, local PC (Windows 10), and mobile app (iOS/Android) |
| Power Supply | 220 V AC, 50 Hz, 1500 W |
| Dimensions | 100 × 80 × 185 cm (with casters) |
| Compliance | HJ 505–2009, GB/T 5750.7–2023, GB 17378.4–2007 |