Water Quality Analysis
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| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Portable Analyzer |
| Model | SD90738 |
| Measurement Principle | Electrochemical Sensor Method |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Range | 0–2.0 mg/L |
| Accuracy | ±1% of full scale |
| Repeatability | ≤2% RSD |
| Resolution | 0.001 mg/L |
| LOD | 0.001 mg/L |
| Compliance | GB/T 5750.11–2006 (Standard Methods for Examination of Drinking Water – Disinfectants) |
| Origin | France |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Water Treatment System |
| Pricing | Available Upon Request |
| Brand | Bruker |
|---|---|
| Origin | Germany |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Total Reflection X-Ray Fluorescence (TXRF) |
| Elemental Range | Al (13) to U (92) |
| Detection Limit | 2 pg |
| Sample Volume (Liquid) | 1–50 µL |
| Sample Mass (Solid/Powder) | ≤10 µg |
| Analysis Time | ≤20 min per sample |
| Accuracy | ≤±10% for aqueous matrices |
| Resolution | <160 eV at Mn Kα (100 kcps) |
| Detector | 4th-generation XFlash® Silicon Drift Detector (SDD), Peltier-cooled |
| Calibration | Factory-predefined quantitative calibration curves, matrix-independent quantification enabled by TXRF physics |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BSP50 |
| Pricing | Available Upon Request |
| Brand | Baode Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | BTOC-80 |
| Pricing | Upon Request |
| Sample Capacity | 80 samples per batch |
| Average Processing Time per Sample | 3 minutes |
| Brand | BTPD |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory TOC Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Oxidation Method | High-Temperature Catalytic Combustion |
| Applicable Standards | GB/T 5750.8–2023, HJ 501–2009, GB 1886.304–2020 |
| Sample Matrix Compatibility | Drinking water, surface water, domestic wastewater, food-grade phosphoric acid, industrial effluents |
| Brand | BUCK |
|---|---|
| Origin | USA |
| Model | HC-404 |
| Instrument Type | Laboratory Analyzer |
| Principle | Infrared Spectrophotometry (Fixed-Wavelength at 2924 cm⁻¹) |
| Measurement Range | Transmittance 0–100%, Absorbance 0–2.0, Bandwidth 30 cm⁻¹ (0.04 µm) |
| Detection Limit | < 0.2 mg/L |
| Accuracy | ±1% |
| Resolution | 1 ppm |
| Measurement Frequency | 6 measurements/min |
| Signal-to-Noise Ratio | > 2500:1 |
| Drift | 0.01 Abs/hr |
| Response Time | 10 s (Damping 1), 40 s (Damping 2) |
| Dimensions (W×D×H) | 36 × 28 × 26 cm |
| Weight | 10 kg |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | BWATER4100 |
| Instrument Type | Online Multi-parameter Water Quality Analyzer |
| Measured Parameters | Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP) |
| Enclosure Rating | IP68 |
| Power Supply | Battery or Solar Compatible |
| Reagent Replacement Interval | Up to 6 Weeks |
| Sample Reaction Volume | <3 mL |
| Digestion Method | UV Irradiation + High-Temperature Thermal Digestion |
| Typical Analysis Time per Parameter | <30 minutes |
| Compliance | GB/T 7479–2023 (NH₃-N), GB/T 11893–1989 (TP), ISO 15681-2:2022 (Phosphorus), ASTM D1426–22 (Ammonia) |
| Brand | BJBY (Beijing Baoyun) |
|---|---|
| Origin | Beijing, China |
| Model | BY-SD1500 |
| Instrument Type | Handheld Water Quality Analyzer |
| Measurement Method | Platinum-Cobalt Standard Colorimetric Method |
| Range | 0–500 degrees |
| Resolution | 0.1 degree |
| Accuracy | ≤1% ± 0.01 degree |
| Measurement Time | <60 s |
| Display | OLED with backlight |
| Light Source | Pulsed LED (≥100,000 h lifetime) |
| Environmental Operating Conditions | 0–50 °C, 0–90% RH (non-condensing) |
| IP Rating | IP54 |
| Power Management | Built-in battery with low-power diagnostic alert |
| Optical Design | Integrated solid-state light source / monochromator / cuvette chamber / photodetector |
| Sample Compartment | Flip-type integrated light-shield cover |
| Curve Handling | On-device standard curve creation, built-in reference curves, auto-fitting and concentration calculation |
| Calibration | Zero-point calibration only required |
| Brand | C. Gerhardt |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | CSB 8s |
| Digestion Method | Reflux Digestion |
| Heating Module | Single Aluminum Block |
| Batch Capacity | 8 samples |
| Temperature Range | 0–430 °C |
| Temperature Accuracy | ±0.5 °C |
| Digestion Vessel Volume | 300 mL |
| Timer Resolution | 0.0001 h (0.36 s) |
| Programmable Methods | 99 user-defined methods (up to 40 heating steps per method) |
| Preloaded Methods | 30 standard protocols |
| Power Control | Continuously adjustable heating power |
| Controller | Detachable, password-protected unit with audit trail and user access levels |
| Footprint | 51.5 × 48.3 cm |
| Safety Features | Motorized lift mechanism for sample rack, preheating function, thermal insulation, overtemperature protection |
| Brand | C. Gerhardt |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | CSB-L 20s |
| Digestion Method | Reflux Digestion |
| Heating Module | Single Aluminum Block |
| Batch Capacity | 20 samples |
| Temperature Range | 0–430 °C |
| Temperature Accuracy | ±0.5 °C |
| Digestion Vessel Capacity | 300 mL |
| Timer Accuracy | ±0.00 min |
| Brand | CALDEE |
|---|---|
| Origin | Shaanxi, China |
| Model | PLD-11901 |
| Instrument Type | Benchtop Water Quality Analyzer |
| Detection Principle | Gravimetric Filtration (0.45 µm membrane) |
| Filter Diameter | φ50 mm or φ60 mm |
| Drying Temperature | 104 ± 1 °C |
| Weighing Precision | ≥ 0.1 mg |
| Minimum Detectable Concentration | 2 mg/L |
| Maximum Negative Pressure | ≥ 80 kPa |
| Vacuum Adjustment Range | 20–80 kPa |
| Airflow Rate | ≥ 20 L/min |
| Noise Level | ≤ 60 dB(A) |
| Power Supply | AC 220 V ± 10 %, 50 Hz |
| Brand | CANNON |
|---|---|
| Origin | USA |
| Model | 9721-N89 |
| Capillary Constant | 30 cSt/s |
| Kinematic Viscosity Range | 600–3000 cSt |
| Compliance | ASTM D445, ASTM D446, ASTM D2170 |
| Temperature Stability Requirement | ±0.02 °C (15–100 °C) |
| Capillary Geometry | Ubbelohde semi-micro, dilution-compatible, suspended-level design |
| Brand | CAS TECHNOLOGY |
|---|---|
| Origin | Shandong, China |
| Model | PC-300 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Principle | Electrochemical Method |
| Measured Parameters | Conductivity, pH, Dissolved Oxygen (DO), Oxidation-Reduction Potential (ORP), Temperature |
| Enclosure Rating | IP67 (main unit), IP68 (electrodes) |
| Power Supply | AA batteries or USB-C external power |
| Calibration | Automatic electrode recognition, auto-calibration for pH, conductivity, and DO |
| Data Management | On-device storage, Bluetooth connectivity to companion mobile app |
| Compliance | Designed for field-deployable environmental monitoring in accordance with standard electrochemical measurement practices (ASTM D1129, ISO 7888, ISO 5814, ISO 10523, ISO 7888) |
| Brand | Chelsea |
|---|---|
| Origin | UK |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MicroSTAF |
| Pricing | Upon Request |
| Brand | CTG |
|---|---|
| Origin | UK |
| Model | UviLux-RO |
| Instrument Type | Online |
| Measurement Principle | Ultraviolet-Induced Fluorescence Spectroscopy |
| Measurement Range | 0–300 µg/L |
| Detection Limit | 0.005 µg/L |
| Accuracy | ±0.005 ppm |
| Resolution | 0.005 ppm |
| Sampling Frequency | 10 Hz |
| Dimensions | Ø70 mm × 149 mm |
| Air Weight | 0.8 kg |
| In-Water Buoyant Weight | 0.15 kg |
| Pressure Rating | 600 m |
| Housing Material | Acetal C |
| Electrical Interface | Subcon MCBH6M |
| Power Input | 9–36 V DC |
| Power Consumption | <1 W @ 12 V |
| Operating Temperature | −2 to +40 °C |
| Storage Temperature | −40 to +70 °C |
| Digital Output | RS232 (RS422 & SDI-12 optional) |
| Analog Output | 0–5 V DC |
| Excitation Wavelength | UV (265 nm typical) |
| Emission Detection Band | Optimized for PAHs (e.g., naphthalene, phenanthrene, pyrene) |
| Brand | Chelsea Technology Group |
|---|---|
| Model | Seasentry |
| Origin | United Kingdom |
| Application | Real-time inlet/outlet seawater monitoring for marine scrubbers |
| Compliance | ISO 7027:1999 (turbidity), PAH detection optimized for EGCS washwater discharge verification |
| Connectivity | Ethernet (TCP/IP), Modbus TCP support |
| Sensor Integration | Dual-stream UviLux optical sensors (PAH + turbidity), pH, temperature, flow switch |
| Media Compatibility | Seawater and freshwater |
| Cabinet | IP65-rated sensor enclosure with internal air purge system |
| Target Users | EGCS OEMs, shipbuilders, class societies, flag state auditors |
| Brand | Chelsea |
|---|---|
| Origin | UK |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TriLux |
| Price | Upon Request |
| Brand | Chelsea |
|---|---|
| Origin | United Kingdom |
| Manufacturer | Chelsea Technologies Group Ltd. (CTG) |
| Model | UniLux |
| Output Options | RS232 + 0–5 V analog (RS422 or SDI-12 optional) |
| Excitation Wavelength | User-selectable per fluorophore |
| Detection Limits | Chlorophyll a < 0.01 µg/L |
| Dynamic Range | 0–100 µg/L (fluorophores), 0–100 FTU (turbidity) |
| Sampling Frequency | 0.1–3 Hz (user-adjustable) |
| Dimensions | Ø26.5 mm × 105 mm (140 mm including connector) |
| Weight in Air | 100 g |
| Pressure Rating | 600 m |
| Housing Material | Acetal |
| Operating Voltage | 11–25 V DC |
| Power Consumption | 1 W @ 12 V DC |
| Interface | MCBH-6-MP-SS |
| Brand | CHEMetrics |
|---|---|
| Origin | USA |
| Model | V-3000 |
| Instrument Type | Portable / Handheld Photometer |
| Measured Parameters | pH, ORP, Turbidity, Dissolved Oxygen (DO), Detergents, Sulfide, Free Chlorine, Total Chlorine, Ammonia-N, Phosphate, Nitrate-N, Nitrite-N, Sulfate, Copper, Iron, Zinc, Aluminum, and other ionic species |
| Detection Method | Colorimetric Analysis via Self-Filling Reagent Ampoules (CHEMetrics Patented Vacuum-Pull Technology) |
| Display | Integrated LCD with Button Interface |
| Preloaded Methods | >50 Standard EPA/ISO-Compatible Test Programs |
| Custom Methods Storage | Up to 10 |
| Data Storage Capacity | 100–1,000 Measurements |
| Connectivity | USB for PC export and printer output |
| Enclosure Rating | IP67-rated waterproof & dustproof housing |
| Power | Rechargeable Li-ion battery (up to 20 hours continuous operation) |
| Compliance | Designed to support ASTM D1293 (pH), ASTM D3370 (turbidity), EPA 365.3 (phosphate), EPA 350.1 (ammonia), ISO 7027 (turbidity), ISO 8694 (chlorine), and USP <643> (conductivity-related water purity contexts) |
| Brand | Chemins |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | iDO-306 |
| Pricing | Available Upon Request |
| Brand | Chemins |
|---|---|
| Model | MPS-400 |
| Origin | Zhejiang, China |
| Manufacturer | Chemins Instrument Technology Co., Ltd. |
| Sensor Interface | RS-485 (Modbus RTU) |
| Communication Protocol | Modbus RTU |
| Output | Digital (SDI-12 optional) |
| Max Simultaneous Parameters | 8 (including temperature) |
| Cleaning Mechanism | Motorized brush-based auto-clean system with programmable interval (1–1440 min) and rotation count (1–20 cycles) |
| Enclosure Rating | IP68 |
| Connector Type | Waterproof quick-disconnect M12 circular connector |
| Probe Protection | Perforated stainless-steel guard sleeve with ≥2 mm slot width |
| Compatible Sensor Modules | Dissolved Oxygen (optical or electrochemical), COD (UV-Vis absorption), Conductivity/Salinity, Turbidity (90° scattered light), Ammonia-N (ion-selective), pH (glass electrode or ISFET), ORP (Pt/AgCl reference) |
| Brand | Chemins |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Model | TN-300C |
| Pricing | Upon Request |
| Brand | Chemo |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | TOC-4300Online |
| Instrument Type | Online TOC Analyzer |
| Detection Principle | Non-Dispersive Infrared Absorption (NDIR) |
| Oxidation Method | UV/Persulfate Oxidation |
| Measurement Range | 0–100 mg/L |
| Accuracy | ±5% |
| Resolution | 1 ppb |
| Detection Limit | 5 ppb |
| Repeatability | ≤3% |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | DCA |
| Measurement Principle | Wilhelmy Plate Method |
| Surface Tension Range | 1–1000 mN/m |
| Accuracy | ±0.02 mN/m |
| Resolution | 0.01 mN/m |
| Maximum Sample Weight | ≤110 g |
| Density Measurement Range (with optional accessories) | 0.5–2.25 g/cm³ |
| Density Readability | 0.00005 g/cm³ |
| Density Reproducibility | ±0.00005 g/cm³ |
| Temperature Control Range (with jacketed cell & PT100 sensor) | 0–50 °C |
| Temperature Accuracy | ±0.05 °C |
| Temperature Readability | 0.1 °C |
| Power Supply | 230 V (−15% / +10%), 50 Hz, 10 VA |
| Dimensions (W × D × H) | 210 × 370 × 380 mm |
| Weight | 8 kg |
| Brand | ChemTron |
|---|---|
| Origin | Germany |
| Model | TDS |
| Measurement Principle | Wilhelmy Plate & Du Noüy Ring Methods |
| Max Force Range | 60 g |
| Surface Tension Accuracy | ±0.2 mN/m |
| Units | mN/m (equivalent to dyne/cm) |
| Standard Accessories | Custom Glass Plate (24×24×0.15 mm), Plate Suspension System, Borosilicate Glass Sample Cup, Manual Height-Adjustable Stand |
| Optional Accessories | PT100 1/3 DIN Temperature Sensor (10–30 °C, ±0.05 °C accuracy, 0.1 °C resolution), Wilhelmy Platinum Plate, Double-Wall Jacketed Thermostatted Cell, Du Noüy Platinum Ring (requires density measurement via sinker and jacketed cell) |
| Brand | EXPEC |
|---|---|
| Model | CHL-300 |
| Measurement Principle | In-situ Fluorescence Detection |
| Output Interface | RS-485 with Modbus RTU Protocol |
| Cleaning Mechanism | Integrated Motorized Brush |
| Power Management | Low-Power Embedded Architecture |
| Environmental Rating | IP68 Submersible Housing |
| Deployment Mode | Continuous Online Monitoring |
| Sample Type | Natural Freshwater, Estuarine, and Marine Waters |
| Compliance | Designed for ASTM D7912-17 (Standard Test Method for Chlorophyll a in Water by Fluorometric Determination) and ISO 10260:2021 (Water Quality — Determination of Chlorophyll a — Fluorometric Method) |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | CHL-5Z |
| Price | Upon Request |
| Measurement Range | 0.0–200 µg/L (fluorescence-intensity calibrated) |
| Resolution | 0.1 µg/L |
| Display | 3.5-digit LCD |
| Excitation Wavelength | 400–470 nm |
| Emission Wavelength | 600–700 nm |
| Repeatability | ±2% (under controlled conditions) |
| Operating Temperature | 5–35 °C (non-freezing, shielded from direct sunlight) |
| Protection Rating | IP63-equivalent |
| Power Supply | DC 4.5 V (3 × AAA/LR03 batteries) |
| Auto Power-Off | After 30 minutes of inactivity |
| Dimensions | 75 mm (W) × 38 mm (H) × 180 mm (D) |
| Weight | ~300 g |
| Standard Accessories | Instrument body, alkaline batteries, instruction manual, warranty card, carrying case |
| Brand | Environ Lab |
|---|---|
| Origin | USA |
| Model | ChloroTech 121 |
| Detection Principle | UV-Induced Fluorescence |
| Measurement Modes | Dual-Channel (Live Chlorophyll a + Turbidity) |
| Weight | <500 g |
| Power Supply | 4 × AAA batteries (≥1000 measurements per set) |
| Ingress Protection | IP67 |
| Calibration | Integrated on-board calibration module |
| Consumables | Disposable cuvettes (13 mm pathlength, polystyrene) |
| Compliance | ASTM D3921–22 (Standard Practice for Determination of Chlorophyll a in Water by Fluorometric Method), ISO 10260:2021 (Water Quality — Determination of Chlorophyll a — Fluorometric Method) |
| Brand | Rikari Chemical |
|---|---|
| Origin | Japan |
| Model | CLCU-55 |
| Instrument Type | Portable |
| Measurement Principle | 90° Scattering Photometry |
| Detection Range | 0.0–199.9 mg/L Cl⁻ |
| Resolution | 0.1 mg/L |
| Accuracy | ±2% of reading |
| Repeatability | ≤±5% FS |
| Response Time | <5 s (after power-on), measurement cycle ≈3 min |
| Display | LCD with 0.1 mg/L resolution |
| Power Supply | 4× AA alkaline batteries (DC 6 V) |
| Dimensions | 88(W)×174(D)×65(H) mm |
| Weight | ~310 g |
| Calibration | Zero calibration standard + span calibration using CLCU-RC/CLCU-RA reagents |
| Self-Diagnostic Functions | Battery voltage monitoring, LED degradation warning, calibration error detection |