Water Quality Analysis
Filter
Showing 2461–2490 of 3714 results
| Brand | Sanxin |
|---|---|
| Model | SX725 |
| Type | Portable Water Quality Analyzer |
| Origin | Shanghai, China |
| Manufacturer | Sanxin Peirui (Shanghai) Co., Ltd. |
| Detection Parameters | pH, ORP (mV), Dissolved Oxygen (DO), Temperature |
| DO Range | 0–20.00 mg/L (ppm) and 0–200.0 % saturation |
| pH Range | −2.00–19.99 pH |
| mV Range | ±1999 mV |
| Temperature Compensation | 0–100 °C (pH), 0–45 °C (DO) |
| DO Accuracy | ±0.10 mg/L |
| pH Accuracy | ±0.01 pH |
| mV Accuracy | ±0.1% FS |
| Salt Compensation | 0–45 ppt (auto) |
| Barometric Pressure Compensation | 66–200 kPa (manual) |
| Data Storage | 300 sets |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions (instrument) | 65 × 120 × 31 mm |
| Weight (instrument) | 180 g |
| IP Rating | IP57 |
| Electrode Interface | 8-pin waterproof connector |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | SANXIN Precision Instruments Co., Ltd. |
| Model | SX726 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Conductivity, Dissolved Oxygen (DO), Temperature, TDS, Salinity, Resistivity |
| Measurement Principle | Four-electrode conductivity cell (for conductivity/resistivity/TDS/salinity) |
| Accuracy | ±1.0% FS (conductivity) |
| Temperature Compensation | Automatic (0–50 °C for conductivity |
| Salinity Compensation | Automatic (0–45 ppt) |
| Barometric Pressure Compensation | Manual (66–200 kPa) |
| Data Storage | 200 sets |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| Enclosure Rating | IP57 |
| Electrode Interface | 8-pin waterproof connector with automatic electrode recognition |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Portable Water Quality Analyzer |
| Measurement Principle | Electrochemical Potentiometry & Conductometry |
| Measured Parameters | pH, ORP (Redox Potential), Electrical Conductivity, TDS, Salinity, Resistivity, Temperature |
| pH Range | −2.00 to 19.99 pH |
| ORP Range | −1999 to +1999 mV |
| Conductivity Ranges | 0.00–19.99 μS/cm, 20.0–199.9 μS/cm, 200–1999 μS/cm, 2.00–19.99 mS/cm, 20.0–199.9 mS/cm |
| TDS Range | 0–100 g/L |
| Salinity Range | 0–100 ppt |
| Resistivity Range | 0–100 MΩ·cm |
| pH Accuracy (Meter) | ±0.01 pH |
| (System w/ Electrode) | ±0.02 pH |
| ORP Accuracy | ±0.1% FS |
| Conductivity Accuracy (Meter) | ±1.0% FS |
| (System w/ Electrode) | ±1.5% FS |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Electrode Constants | 0.1 / 1 / 10 cm⁻¹ |
| Reference Temperatures | 18 °C, 20 °C, 25 °C |
| Data Storage | 400 sets (ID, value, unit, temperature) |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions (Instrument) | 65 × 120 × 31 mm |
| Weight (Instrument) | 180 g |
| IP Rating | IP57 |
| Operating Environment | 5–35 °C, ≤85% RH |
| Certifications | ISO 9001:2015, CE, RoHS, CMC |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measured Parameters | pH, ORP (mV), Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), Temperature |
| Measurement Ranges | pH: (−2.00 to 19.99) pH |
| Conductivity | (0.00–19.99) µS/cm, (20.0–199.9) µS/cm, (200–1999) µS/cm, (2.00–19.99) mS/cm, (20.0–199.9) mS/cm |
| TDS | (0–100) g/L |
| Salinity | (0–100) ppt |
| Resistivity | (0–100) MΩ·cm |
| DO | (0–20.00) mg/L (ppm), (0–200.0)% saturation |
| Accuracy (pH) | ±0.01 pH (meter), ±0.02 pH (system) |
| (Conductivity) | ±1.0% FS (meter), ±1.5% FS (system) |
| (DO) | ±0.10 mg/L (meter), ±0.40 mg/L (system) |
| Temp Compensation | Automatic (0–100 °C for pH |
| DO Electrode Type | Polarographic |
| Data Storage | 400 sets with ID, value, unit, and temperature |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 360 × 270 × 76 mm / 1.6 kg |
| IP Rating | IP57 |
| Certifications | ISO 9001:2015, CE, RoHS, CMC |
| Brand | Sanxin Peirui (SANXIN) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SX751 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measurable Parameters | pH, ORP, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), Temperature |
| Measurement Ranges | pH: (−2.00 to 19.99) pH |
| ORP | (−1999 to +1999) mV |
| Conductivity | (0.00–19.99) µS/cm, (20.0–199.9) µS/cm, (200–1999) µS/cm, (2.00–19.99) mS/cm, (20.0–199.9) mS/cm |
| TDS | (0–100) g/L |
| Salinity | (0–100) ppt |
| Resistivity | (0–100) MΩ·cm |
| DO | (0–20.00) mg/L, (0–200.0) % saturation |
| Temperature | (0–50) °C (auto-compensated for all parameters) |
| Accuracy | pH meter: ±0.01 pH |
| ORP meter | ±0.1% FS |
| Conductivity meter | ±1.0% FS |
| DO meter | ±0.10 mg/L (instrument), ±0.40 mg/L (system) |
| Temperature compensation | automatic across specified ranges |
| Resolution | pH: 0.01/0.1 pH |
| ORP | 1 mV |
| Conductivity | 0.01/0.1/1 µS/cm or 0.01/0.1 mS/cm |
| DO | 0.01 mg/L or 0.1 % |
| Temp | 0.1 °C |
| Electrode Constants | 0.1 / 1 / 10 cm⁻¹ |
| Calibration Modes | Automatic air-saturated water and water-saturated air for DO |
| Data Storage | 400 sets with ID, value, unit, and temperature stamp |
| Power | Two AA batteries (1.5 V × 2) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 360 × 270 × 76 mm / 1.7 kg |
| Environmental Rating | IP57 (dust protected, immersion up to 1 m for 30 min) |
| Operating Conditions | 5–35 °C ambient, ≤85% RH non-condensing |
| Certifications | ISO 9001:2015, CE, RoHS, CMC |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic |
| Measurement Range | 0–20.00 mg/L (ppm) |
| Accuracy | ±0.30 mg/L |
| Repeatability | 0.1 mg/L |
| Detection Limit | ±0.30 mg/L |
| Resolution | 0.01/0.1 mg/L (ppm), 0.1/1 % |
| Response Time | ≤30 s (at 25 °C, 90% response) |
| Zero Drift | ≤0.10 mg/L |
| Temperature Compensation Range | 0–45 °C (automatic) |
| Salinity Compensation Range | 0–45 ppt (automatic) |
| Barometric Pressure Compensation | 60.0–199.9 kPa (manual) |
| Temperature Measurement Range | 0–100 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C ±1 digit |
| Data Storage | 500 sets (ID, date, time, DO value, unit, temperature) |
| Power Supply | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (instrument) | 88 × 170 × 33 mm |
| Weight (instrument) | 313 g |
| IP Rating | IP57 |
| Included Accessories | DO500 polarographic DO probe, DO502 electrolyte solution (30 mL), DO503 membrane caps (×3), cathode polishing paper (×2), PC-Link software CD, USB cable, heavy-duty carrying case, user manual |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | SX823 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Principle | Electrochemical Method |
| Measured Parameters | pH, Conductivity, TDS, Salinity, Resistivity |
| pH Range | (−2.00 to 19.99) pH |
| Conductivity Range | 0 to 200 mS/cm (5-range auto-scaling) |
| Temperature Compensation | Automatic or Manual (0–100 °C for pH |
| Electrode Constants | 0.1 / 1.0 / 10 cm⁻¹ |
| Data Storage | 1000 GLP-compliant records |
| IP Rating | IP57 |
| Power | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (Instrument) | 88 × 170 × 33 mm |
| Weight (Instrument) | 313 g |
| Standard Electrodes | 201T-Q Tri-combination pH electrode (Li-glass membrane, integrated temperature sensor) |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | SX825 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurement Principle | Electrochemical Method |
| Measured Parameters | pH, Dissolved Oxygen (DO) |
| pH Range | (−2.00 to 19.99) pH |
| DO Range | 0–20.00 mg/L (ppm), 0–200.0 % saturation |
| pH Resolution | 0.01/0.1 pH |
| pH Accuracy | ±0.01 pH ±1 digit |
| DO Resolution | 0.01/0.1 mg/L |
| DO Accuracy | ±0.30 mg/L |
| DO Response Time | ≤30 s (at 25 °C, 90% response) |
| Temperature Compensation | Automatic (0–100 °C for pH |
| Salinity Compensation | Automatic (0–45 ppt) |
| Barometric Pressure Compensation | Manual (60.0–199.9 kPa) |
| Data Storage | 1000 GLP-compliant records with timestamp, unit, temperature, and measurement value |
| IP Rating | IP57 |
| Power Supply | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (instrument) | 88 × 170 × 33 mm |
| Weight (instrument) | 313 g |
| Weight (carrying case) | 3.2 kg |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-made) |
| Model | SX836 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, mV, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), Temperature |
| Measurement Principle | Potentiometric (pH/mV), Four-Electrode Conductivity (Conductivity/TDS/Salinity/Resistivity), Polarographic (Dissolved Oxygen) |
| IP Rating | IP57 |
| Power Supply | Rechargeable Battery & USB Bus Power |
| Data Storage | Manual & Auto-Timed Logging (GLP-Compliant) |
| Calibration | Multi-Point Auto-Calibration with Guided Workflow & Standard Recognition (USA/NIST/CH Series) |
| Compliance | Designed to support GLP data integrity requirements |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Fluoride Measurement Range | 1.00–6.00 pF |
| Detection Limit | 1.00–6.00 pF |
| Response Time | 5 s |
| Fluoride Accuracy | ±0.01 pF |
| Temperature Range | 0–80 °C |
| pH Range | 0.00–14.00 |
| pH Accuracy | ±0.01 |
| ORP Range | ±1999 mV |
| ORP Accuracy | ±0.1% FS |
| Data Storage | 200 sets |
| Power | 2 × AA batteries (1.5 V) |
| Dimensions (meter) | 65 × 120 × 31 mm |
| Weight (meter) | 180 g |
| IP Rating | IP57 |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | YD200 |
| Price | USD 560 (FOB Shanghai) |
| Measurement Principle | Potentiometric Ion-Selective Electrode (ISE) Method |
| Primary Analytes | Total Ca²⁺ and Mg²⁺ ions |
| Calibration Solutions | B1/B2/B3 standard buffers |
| Output Interface | RS232 serial port |
| Display | Backlit LCD with dual-unit real-time readout |
| Temperature Range | 0.0–60.0 °C (adjustable in °C/°F) |
| Hardness Units | mmol/L, mg/L (CaCO₃), mg/L (CaO), mmol/L (Boiler), mg/L (Ca) |
| GLP Compliance | Yes — automatic timestamped calibration logging, electrode history tracking, user ID support |
| Brand | SANXIN Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | YD300 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurement Principle | Spectrophotometric Method (Colorimetric Determination via Calcium/Magnesium Complex Formation) |
| Measured Parameter | Total Calcium and Magnesium Ion Concentration (as Total Hardness) |
| Measurement Range | 0–10 mmol/L (as CaCO₃ equivalent) |
| Repeatability | ≤ ±5% FS |
| IP Rating | IP67 |
| Display | Backlit LCD with Blue Illumination |
| Temperature Compensation | Automatic, 5–50 °C |
| Temperature Range | 0–60.0 °C (±0.5 °C accuracy) |
| Resolution | 0.01 / 0.1 unit (user-selectable per hardness scale) |
| Units Supported | mmol/L, mg/L (CaCO₃), mg/L (CaO), mmol/L (Boiler), mg/L (Ca), °fH (French), °dH (German), °eH (English) |
| Calibration Solutions | B1, B2, B3 standard kits included |
| Power | Battery-operated (low-voltage indicator) |
| Auto Functions | Auto-calibration, auto-zero, auto-hold, auto-shutdown, real-time temperature compensation |
| Brand | Sanxin |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | YD300 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurement Principle | Electrode-based Potentiometric Titration (Calcium/Magnesium Ion-Selective Detection) |
| Water Hardness Range | 1.50×10⁻² – 1.00×10² mmol/L (as CaCO₃) |
| Temperature Range | 0.0 – 60.0 °C |
| Resolution | 0.01 / 0.1 (hardness units), 0.1 °C |
| Accuracy | ±5% FS (hardness), ±0.5 °C (temperature) |
| Automatic Temperature Compensation | 5 – 50 °C |
| Hardness Units Supported | mmol/L, mg/L (CaCO₃), mg/L (CaO), mmol/L (Boiler), mg/L (Ca), °fH (French), °dH (German), °eH (English) |
| Calibration Solutions | B1, B2, B3 |
| Display | Backlit LCD (blue) |
| Enclosure Rating | IP67 |
| Power | Battery-operated (low-voltage indication) |
| Auto-power-off & Data Hold Functions | Yes |
| Storage | Internal data logging capability |
| Brand | Saprete |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | HS-4AO |
| Price Range | USD 7,000–14,000 |
| Instrument Type | Laboratory Benchtop Analyzer |
| Brand | Saprete |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HS-6A |
| Price Range | USD 7,000–10,000 (FOB) |
| Instrument Type | Laboratory Benchtop System |
| Sample Capacity | 6 positions |
| Flow Control | Motor-driven digital mass flow control (not manual rotameter) |
| Acid Addition | Programmable per-sample automated reagent injection |
| Operation Mode | Fully automated sequence-controlled workflow |
| Enclosure | Sealed vapor-tight chamber |
| Heating Method | Integrated water bath with PID temperature regulation |
| Interface | 7-inch capacitive touchscreen HMI |
| Brand | Saprete |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Model | HS-6H |
| Method Options | Methylene Blue Spectrophotometry & Iodometric Titration (per Chinese National Standards HJ 1226–2021 and HJ 1227–2021) |
| Sample Capacity | 6 positions |
| Gas Control | Independent N₂ flow regulation per sample station |
| Pneumatic Integrity | Fully enclosed gas circuit with real-time supply pressure monitoring |
| Safety Features | Anti-suckback traps, integrated wash reservoir, no fume hood required |
| Interface | 7-inch capacitive touchscreen with embedded control logic |
| Compliance | Designed for GLP-compliant water quality laboratories conducting regulatory testing under China’s Ministry of Ecology and Environment (MEE) frameworks |
| Origin | Norway |
|---|---|
| Type | Portable/Handheld CTD Profiler |
| Model | SD208 |
| Detection Parameters | Conductivity, Salinity, Temperature, Depth, Sound Velocity (derived density), Dissolved Oxygen (membrane & optical), Turbidity, Fluorescence (Chlorophyll-a, CDOM) |
| Depth Rating | 6000 m |
| Memory Capacity | 56,000 samples |
| Sampling Interval | 1 s to 180 min |
| Power Supply | Dual 3.6 V Li-ion batteries (≥1 year typical operation) |
| Communication | RS-232 (wired), 868 MHz wireless (50 m range), optional CU801 satellite/GPRS/Iridium telemetry module |
| Housing Material | Vacuum-cast polyurethane + titanium alloy |
| Dimensions | 400 mm × 60 mm (L × Ø) |
| Weight | 2.0 kg (air), 0.8 kg (buoyant in seawater) |
| Brand | Sea-Bird Scientific |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Model | Hydro-T |
| Measurement Range | –5 to 45 °C |
| Initial Accuracy | ±0.002 °C |
| Typical Stability | <0.002 °C/year |
| Resolution | 0.0001 °C |
| Clock Accuracy | ±5 seconds/month |
| Battery | Saft LS14500 3.6 V Li-SOCl₂ (hazard-free) |
| Sampling Capacity | 15.9M samples |
| Max Deployment Duration | Up to 2 years (dependent on sampling interval) |
| Housing Material | Engineering-grade polymer |
| Pressure Rating | 1500 m (4900 ft) |
| Weight | 0.2 kg (air), 0.05 kg (water) |
| Calibration | 11-point NIST-traceable calibration in SBE’s ISO/IEC 17025-accredited thermal calibration bath |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SCA |
| Instrument Type | Online |
| Price Range | USD 2,800 – 7,000 (FOB) |
| Compliance | NEMA 4X Enclosure |
| Operating Temp | −20 °C to +70 °C |
| Humidity | 0–100% RH (non-condensing) |
| Max Pressure Rating | 100 psi |
| Sensor Cable Standard Length | 10 m (up to 610 m optional) |
| Display | UV-resistant LCD with adjustable contrast and backlight |
| Data Backup | Yes |
| Communication | RS-485 Modbus RTU |
| Analog Outputs | Two isolated 4–20 mA outputs |
| Relay Outputs | Two 10 A setpoint relays, one alarm relay, one self-cleaning relay |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | SCI-024 |
| Instrument Type | Portable Water Sampler |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | SCI-025 |
| Instrument Type | Laboratory-Grade Fixed-Position Water Sampler |
| Cooling Range | 4 °C ±1 °C |
| Sample Bottle Capacity | 1000 mL × 24 positions |
| Vertical Suction Lift | 8 m |
| Sampling Volume Range | 1–9999 mL per aliquot |
| Sampling Interval | 1–9999 min |
| Volumetric Sampling Accuracy | ±5% |
| Proportional Sampling Accuracy | ±10% |
| Data Storage | 10,000 sampling events, 2 years of flow data, 2,000 alarm logs |
| Power Supply | AC 220 V ±15%, with 3.3 V backup Li-ion clock battery |
| Dimensions (W×D×H) | 100 cm × 75 cm × 55 cm |
| Weight | ≤35 kg |
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Model | SCI-026 |
| Instrument Type | Laboratory-Based Automatic Water Sampler |
| Sampling Mode | Exceedance-Triggered Retention Sampling |
| Single Sample Volume | 10–1000 mL (user-configurable) |
| Sampling Volume Accuracy | ≤5% |
| Flow-Proportional Sampling Support | Yes (via external 4–20 mA or pulse flow signal) |
| Sampling Interval | 5–9999 min (programmable) |
| Vertical Sampling Depth | 8.7 m |
| Horizontal Sampling Distance | 80 m |
| Sample Bottle Capacity | 24 × 1000 mL HDPE rectangular bottles |
| Mixing Tank Volume | 3.5 L (dual A/B tanks) |
| Data Storage | 10,000 sampling records + 2,000 system event logs |
| Power Supply | AC 220 V ±15%, 50 Hz |
| Average Power Consumption | 130 W |
| Operating Humidity | ≤90% RH |
| MTBF | ≥1440 h |
| Insulation Resistance | >20 MΩ |
| Tube Leak Integrity | ≤−0.08 MPa |
| Clock Drift | Δ1 ≤0.1%, Δ12 ≤30 s |
| Temperature Control (optional chiller) | ±1 °C |
| Communication Interfaces | RS-232, RS-485, 4–20 mA analog input, digital I/O (dry contact) |
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SCI-KLL-S |
| Instrument Type | Portable Water Sampler |
| Sample Tube Diameter Compatibility | 2" and 4" monitoring wells |
| Construction Materials | Anodized aluminum, stainless steel, POM, NBR seals (11-70 Shore A) |
| Sample Vessel Options | PVC transparent tube or anodized aluminum tube |
| Nominal Sample Volumes | 500 mL / 1000 mL |
| Outer Diameter | 49 mm / 90 mm |
| Total Length | 1750 mm / 1100 mm |
| Release Trigger Mechanism | Electrical contact probe with depth indication |
| Maximum Suspended Load Capacity | 1000 g / 1800 g |
| Drain Nozzle Diameter | 5 mm / 7.5 mm |
| Upper Sampling Edge Distance from Probe Tip | ~850 mm / ~600 mm |
| Brand | SDL |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | MODEL 9001 |
| Application | Real-time in-situ chlorophyll a monitoring in surface water bodies |
| Brand | SDL |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | MODEL 9880 |
| Instrument Type | Online Analyzer |
| Biological Sensing Element | Electroactive Bacteria (Exoelectrogens) |
| Repeatability | ±30% |
| Detection Principle | Microbial Fuel Cell (MFC)-Based Current Response to Toxic/Nutrient Perturbations |
| Communication Interfaces | RS485, Modbus TCP, 4–20 mA Output, Optional 3G/4G LTE |
| Display Interface | Chinese-Language Touchscreen HMI |
| Compliance Framework | Designed for ISO 11348-3 and ASTM D5664 alignment in operational context |
| Brand | Sea-Bird Scientific |
|---|---|
| Origin | USA |
| Manufacturer | WET Labs (designed and manufactured) |
| Model | ECO Series |
| Instrument Type | Submersible Optical Sensor Platform |
| Deployment Modes | Profiling, Moored, Buoy-Mounted, Handheld (via optional interface) |
| Compliance | IP68 rated, ASTM D3921-22 (for turbidity), ISO 10264-2 (for chlorophyll-a fluorescence calibration traceability), GLP-compliant data logging |
| Brand | Sea-Bird Scientific |
|---|---|
| Origin | Imported |
| Model | ECO Series |
| Optical Excitation/Emission Wavelengths | Chl-a 470/695 nm, CDOM 370/460 nm, Fluorescein 470/530 nm, Rhodamine WT 540/570 nm, Phycoerythrin 540/570 nm, Phycocyanin 630/680 nm |
| Backscatter Wavelengths | 470, 532, 650 nm |
| Chl-a Sensitivity | 0.02 µg/L |
| Chl-a Range | 0–125 µg/L |
| Turbidity Accuracy | ±0.003 NTU (0–10 NTU) to ±0.25 NTU (0–1000 NTU) |
| Backscatter Sensitivity | 0.003 m⁻¹ |
| Backscatter Range | ~0.0024–5 m⁻¹ |
| Digital Resolution | 12–14 bit |
| RS-232 Baud Rate | 19200 |
| Analog Output | 0–5 V |
| Operating Depth | 600 m |
| Temperature Range | 0–30 °C |
| Power Supply | 7–15 VDC |
| Typical Current Draw | 50–60 mA |
| Sleep Current | 140 µA |
| Housing Material | Acetal Copolymer |
| Connector | MCBH6MP |
| Optional Features | Anti-fouling Copper Brush, Internal Battery, Onboard Memory (up to 108,000 samples), Integrated T/P Sensor |
| Brand | Sea-Bird Scientific |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Model | LOBO |
| Pricing | Upon Request |
| [Origin | Norway |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SD204 |
| Instrument Type | Portable/Handheld CTD Profiler |
| Measured Parameters | Conductivity, Salinity, Temperature, Depth (Pressure), Sound Velocity (Derived Density) |
| Optional Sensors | Dissolved Oxygen, Turbidity, Fluorescence (Chlorophyll-a, CDOM) |
| Max Operating Depth | 6000 m |
| Memory Capacity | 56,000 Data Sets |
| Power | Dual 3.6 V Li-ion Batteries (1-Year Typical Runtime) |
| Housing Material | Vacuum-Cast Polyurethane & Titanium Alloy |
| Communication | RS-232 (ASCII, 1200–9600 bps) |
| Software | SD200W for Windows] |
| Brand | Sea-Bird Scientific |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Model | SUNA V2 |
| Optical Path Length Options | 5 mm or 10 mm |
| Detection Range | 0.5–4000 µM NO₃⁻ (0.007–56 mg/L N) |
| Accuracy | ±2 µM (10 mm) or ±4 µM (5 mm), or ±10% of reading, whichever is greater |
| Short-Term Precision (3σ) | 0.3 µM (T-S-corrected freshwater/seawater) |
| 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 biofouling brush) |
| Power Consumption | 7.5 W at 12 VDC (0.625 A) |
| Housing Material | Polyoxymethylene (POM) and Titanium Alloy |
| Depth Rating | 500 m (standard) |
| Weight | 2.5 kg (standard) |
| Calibration Options | Freshwater and Seawater Modes |
| Data Interface | USB (PC/Mac compatible) |
| Software | SUNACom v3.x (Windows/macOS) |
