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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PXSJ-226T |
| Instrument Type | Benchtop |
| Ion Measurement Range | 1.00 × 10⁻⁹ to 9.99 × 10⁹ (selectable units: mol/L, mmol/L, g/L, mg/L, μg/L, ppm) |
| Detection Limit | 1.00 × 10⁻⁹ to 9.99 × 10⁹ (same unit options) |
| Response Time | ≤5 s |
| Accuracy Class | 0.001 |
| Temperature Range | −10.0 to 135.0 °C (14.0 to 275.0 °F) |
| Display | High-resolution color LCD touchscreen |
| Input Protection Rating | IP54 |
| Calibration | 1–6-point calibration for pH/ion electrodes |
| Compliance | GLP-compliant data management |
| Connectivity | RS-232, USB, optional auto-sampler interface |
| Data Storage | 1000 measurement records with timestamp, electrode ID, calibration history, and user log |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PXBJ-287L |
| Instrument Type | Portable |
| Ion Measurement Range | (−2.000 to 20.000) pX |
| Resolution | 0.001 pX |
| Temperature Range | (−10.0 to 135.0) °C / (14.0 to 275.0) °F |
| IP Rating | IP65 |
| Calibration Points | 1–8 for pH/pX, 1 for ORP |
| Data Storage Capacity | 1,000 datasets per parameter type |
| Connectivity | USB, Bluetooth 4.2, U-disk support, LIMS-compatible via dedicated software |
| Power | Rechargeable Li-ion battery with PC/mobile power bank charging capability |
| Brand | Erlab |
|---|---|
| Origin | Shanghai, China |
| Model | Halo Sense |
| Monitoring Parameters | VOCs, Acid Gases, Formaldehyde |
| Environmental Operating Range | Temperature 10–30 °C, Relative Humidity 30–80 % RH |
| Power Consumption | 10 W |
| Electrical Supply | 100–240 V AC, 50–60 Hz |
| Sensor Technology | Semiconductor & Electrochemical Sensors (gas-specific) |
| Mounting Options | Benchtop or Wall-Mounted |
| Status Indication | Smart RGB Light Band |
| Data Acquisition | eGuard Software (PC & Mobile) |
| Compliance Context | Designed for GLP-aligned lab environments |
| Brand | Macherey-Nagel |
|---|---|
| Origin | Germany |
| Model | Vario mini |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Block Heater |
| Batch Capacity | 6 samples |
| Temperature Range | 70–160 °C |
| Temperature Accuracy | ±1 °C |
| Sample Vessel Capacity | 60 mL |
| Timer Accuracy | ±1 min |
| Display | Graphical LCD (124 × 64 px) |
| Preset Temperatures | 70, 100, 120, 148, 150, 160 °C |
| Temperature Stability | ±1 °C (compliant with DIN, EN, ISO, and EPA standards) |
| Ramp Time | ≤25 min (20 °C → 160 °C at ambient 20 °C) |
| Digestion Durations | 30, 60, 120 min selectable |
| Safety Features | Lockable hinged safety lid, overheat protection |
| Interface | Mini-USB |
| Calibration Support | NANOCOLOR USB T-Set included for automated temperature verification and traceable calibration |
| Power Supply | 12 V DC, 5 A |
| Power Consumption | 60 W |
| Dimensions (W×D×H) | 105 × 125 × 170 mm |
| Weight | 0.67 kg (without power adapter) |
| Operating Environment | 10–40 °C, ≤80% RH (non-condensing) |
| Certification | CE |
| Warranty | 1 year |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model | ZDY-504 |
| Pricing | Available Upon Request |
| Instrument Type | Portable Karl Fischer Coulometric & Volumetric Titrator |
| Measurement Range | 0.1 – 250.0 mg H₂O |
| Repeatability | ≤0.5% RSD |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | 4010-1W |
| DO Measurement Range | 0–60 mg/L |
| DO Accuracy | ≤ ±0.2 mg/L |
| DO Repeatability | ≤ ±0.1 mg/L |
| Response Time (90%) | ≤ 30 s |
| Operating Temperature | 0–50 °C |
| Power Supply | AC 100–240 V (wide-range input) |
| Resolution | 0.01 mg/L |
| DO Measurement Principle | Clark-type electrochemical polarographic sensor with integrated stirring |
| Compliance | ASTM D888, ISO 5814, USP <781>, EPA 450/4-85-001, HJ/T 99–2003, GB 11913–89, GB 7488–87 |
| Brand | testo |
|---|---|
| Origin | Germany |
| Model | 0560 4053 |
| Instrument Type | Hot-wire anemometer |
| Resolution | 0.1 m/s |
| Velocity Range | 0–5 m/s (–20 to 0 °C), 0–10 m/s (0 to +50 °C) |
| Volumetric Flow Range | 0–99,990 m³/h |
| Accuracy | ±(0.1 m/s + 5 % of reading) for 0–2 m/s |
| Operating Ambient Temperature | –20 to +50 °C |
| Probe Protection | Rotating protective cap for sensor safeguard during standby |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DGB-480 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Colorimetry |
| Detection Parameters | Turbidity, Color, Transmittance Ratio, Ozone, Nitrite Nitrogen, Urea, Hexavalent Chromium, Manganese, Total Nitrogen, Nitrate Nitrogen, Nitrate, Formaldehyde, Water Hardness, Zinc, Nitrite, Free Chlorine, Total Chlorine, Chlorine Dioxide, Permanganate Index, Low-Concentration COD<sub>Cr</sub>, High-Concentration COD<sub>Cr</sub>, Cadmium, Ammonia Nitrogen, Ammonium Ion, Total Phosphorus, Total Phosphate, Nickel, Ferrous Ion, Iron, Sulfite |
| Measurement Range | Ammonia Nitrogen 0.03–10.00 mg/L |
| Repeatability | ≤0.5% |
| Brand | Hach |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | MS5100 |
| Instrument Type | Online Water Quality Analyzer |
| Measurement Principle | Electrochemical Detection (Free Chlorine & Chlorine Dioxide), Nephelometry (Turbidity), Potentiometric (pH & ORP), Conductometric (Conductivity) |
| Measured Parameters | Free Chlorine, Chlorine Dioxide, Turbidity, pH, ORP, Conductivity, Temperature |
| Measurement Ranges | Free Chlorine: 0–10 mg/L as Cl₂ |
| Chlorine Dioxide | 0–5 mg/L |
| Repeatability | Free Chlorine: ±1% or ±0.01 mg/L (whichever is greater) |
| Chlorine Dioxide | ±1.5% or ±0.01 mg/L (whichever is greater) |
| Detection Limit | 0.008 mg/L Cl₂ (at 25 °C) |
| Accuracy | ±10% (4–5 mg/L Cl₂ range) |
| Sample Temperature Range | 5–40 °C |
| Operating Humidity | 0–90% RH (non-condensing) |
| Dimensions | 342 mm × 329 mm × 177 mm |
| Brand | Hach |
|---|---|
| Origin | USA |
| Model | 9184sc |
| Instrument Type | Online Analyzer |
| Measurement Principle | Amperometric Electrochemical Sensor (HOCl-selective Membrane) |
| Measurement Parameter | Free Chlorine (as HOCl) |
| Range | 0.005–20 ppm (mg/L) HOCl |
| Accuracy | ±2% of reading or ±10 ppb HOCl (whichever is greater) |
| Detection Limit | 5 ppb (0.005 mg/L) HOCl |
| Response Time (t₉₀) | <90 seconds |
| Sample Flow Rate | 200–250 mL/min (automatically regulated) |
| Operating Temperature | 0–45 °C |
| Sample Temperature Range | 2–45 °C |
| Sample pH Range | 4–8 |
| Calibration Interval | Every 2 months |
| Membrane & Electrolyte Replacement Interval | Every 6 months |
| Enclosure Rating | IP66 / NEMA 4X |
| Dimensions | 270 × 250 mm |
| Storage Temperature | −20–60 °C |
| Inlet/Outlet Fittings | 1/4″ O.D. inlet, 1/2″ I.D. outlet |
| Brand | Hach |
|---|---|
| Model | SP510 |
| Origin | USA |
| Instrument Type | Online Water Quality Analyzer |
| Measurement Principle | Colorimetric Method (Calcium/Magnesium Complexation with Arsenazo III) |
| Measured Parameter | Total Hardness (as CaCO₃) |
| Range | 0.3–100 mg/L as CaCO₃ |
| Repeatability | ≤4% RSD |
| Accuracy | ±10% of setpoint at 0.3–2 mg/L |
| Cycle Time | ~2 minutes per measurement |
| Calibration | Automatic on-board standardization using factory-preloaded reagent cartridges |
| Reagent Consumption | One cartridge supports ~60 days of continuous operation |
| Maintenance Interval | Pump tubing replacement every 6 months |
| Alarm Outputs | 1 SPDT relay (configurable setpoints: 0.3, 1, 2, 5, 10, 20, 50, 100 mg/L) |
| Power Supply | 115/230 VAC, 50/60 Hz |
| Certifications | UL 61010-1, CSA C22.2 No. 61010-1, CE marked per EMC and LVD directives |
| Compliance | Designed for use in industrial water treatment environments requiring GLP-aligned operational traceability |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JPBJ-609L |
| Instrument Type | Field-Portable |
| Measurement Principle | Polarographic Electrochemical Sensor |
| Measurement Range | 0.00–50.00 mg/L |
| Accuracy | ±0.10 mg/L |
| Display | High-Resolution Color TFT Touchscreen |
| Language Support | English & Chinese |
| Temperature Units | °C / °F |
| IP Rating | IP65 |
| Temperature Compensation | Automatic/Manual |
| Atmospheric Pressure Compensation | kPa, mbar, Torr, atm (manual selection) |
| Salinity Compensation | Manual |
| Calibration Modes | Zero-Oxygen and Full-Scale (100% air-saturated) |
| Data Storage Capacity | 1000 measurement records |
| Connectivity | USB 2.0, Bluetooth 4.2, U Disk interface, QR code scanner compatible |
| Power Supply | Rechargeable Li-ion battery (USB-C charging support), PC/mobile power bank compatible |
| GLP Compliance | Yes — full audit trail, user authentication, timestamped records |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-403 |
| Measurement Parameters | pH (0.00–14.00), Conductivity (0.000 µS/cm–200 mS/cm), Dissolved Oxygen (0.00–99.00 mg/L), Temperature (−5.0–55.0 °C) |
| Accuracy | pH ±0.01, Conductivity ±0.5% FS, DO ±0.2 mg/L |
| Repeatability | pH ≤±0.01, Conductivity ≤±0.2% FS, DO ≤±0.1 mg/L |
| Detection Limits | Conductivity 0.01 µS/cm, DO 0.01 mg/L |
| Display | 7-inch color capacitive touchscreen |
| Compliance | IP54 rated enclosure, GMP-compliant data handling with audit trail 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 | 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 | Jilin University & Little Swan |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GDYS-601SB |
| Quotation | Upon Request |
| Operating Temperature | 0 °C to 40 °C |
| Power Supply | 9 V DC (rechargeable Li-ion battery included) |
| Response Time | 1 s |
| Photometric Stability | ±0.005 Abs/h |
| Optical Wavelengths | 520 nm and 538 nm |
| Absorbance Range | 0.000–2.000 Abs |
| Light Source | High-brightness LED (rated lifetime >100,000 h) |
| Measurement Chamber | Integrated cylindrical sealed cuvette |
| Calibration | Factory-preloaded calibration curves for all target analytes |
| Brand | Jilin University & Little Swan |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | GDYS-800M |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Spectrophotometry |
| Measurable Parameters | Free Chlorine, Chlorine Dioxide, COD (Permanganate Index), Total Hardness (as CaCO₃), Color, Turbidity, and 32 additional routine water quality indicators |
| Measurement Ranges | Free Chlorine: 0–5 mg/L |
| Total Hardness (as CaCO₃) | 0–500 mg/L |
| Photometric Stability | ≤0.005 Abs/h |
| Wavelength Options | 380, 430, 470, 520, 538, 595, 630 nm (configurable per parameter set) |
| Light Source | High-brightness LED |
| Detector | Integrated Photodiode Sensor |
| Sample Cell | Cylindrical Glass Cuvettes and Standard Glass Cuvette (10 mm pathlength) |
| Operating Environment | 5–40 °C |
| Display | 12-inch Multi-touch LCD |
| Connectivity | Ethernet, USB 2.0, Wi-Fi 802.11 b/g/n |
| Power Supply | AC Adapter (100–240 V) + Rechargeable Li-ion Battery (≥8 h continuous operation) |
| Data Output | Built-in Thermal Printer, CSV Export, Cloud Sync via Secure HTTPS API |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | ProSolo |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence-based Optical Sensing |
| DO Range | 0–50 mg/L (0–500% air saturation) |
| DO Accuracy | ±0.1 mg/L |
| DO Repeatability | ≤±0.5% |
| Temperature Range | –5 to 70 °C |
| Temperature Accuracy | ±0.2 °C |
| Ingress Protection | IP67 |
| Battery Life | Up to 48 h (rechargeable Li-ion) |
| Data Storage | >100,000 readings |
| Calibration Records | 400 entries |
| Compliance | EPA-approved method for BOD testing |
| Cable Options | 1–100 m (standard: 4 m) |
| Brand | WTW |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China-assembled under WTW/Xylem specifications) |
| Model | StirrOx® G |
| Instrument Type | Portable DO Sensor |
| Measurement Principle | Polarographic (Clark-type) Electrochemical Probe |
| Range | 0.00–90 mg/L O₂ |
| Accuracy | ±0.5% of reading |
| Repeatability | ≤±0.5% |
| Detection Limit | 0.01 mg/L |
| Response Time (t₉₀) | <60 s (in stirred water at 20 °C) |
| Operating Temperature | 0–40 °C |
| Membrane Material | PTFE |
| Electrolyte | KCl-based aqueous solution |
| Connector | WTW-standard 6-pin DIN |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-201 |
| Instrument Type | Portable |
| Measurement Principle | Potentiometric (Glass Electrode) |
| pH Range | −2.00 to 20.00 pH |
| pH Resolution | 0.1 / 0.01 pH |
| pH Accuracy | ±0.01 pH |
| mV Range | ±1999.9 mV |
| mV Resolution | 0.1 mV |
| mV Accuracy | ±1 mV |
| pH Repeatability | ≤±0.01 pH |
| mV Repeatability | ≤±1 mV |
| Temperature Compensation | Automatic & Manual |
| Calibration Options | 1–3 point, with auto-buffer recognition |
| Built-in Buffers | 15 standard buffers across 3 groups |
| Display | 7-inch color TFT capacitive touchscreen |
| Language Support | English & Chinese |
| User Interface | Graphical, glove-compatible, UV-resistant, scratch-resistant, auto-dimming |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | 1P22-1 |
| Digestion Method | Rapid Thermal Digestion |
| Heating Module | Single Aluminum Block |
| Batch Capacity | 24 positions |
| Temperature Range | 25–170 °C (adjustable in 1 °C increments) |
| Temperature Accuracy | ±1 °C |
| Sample Tube Compatibility | 24 × 16 mm OD reaction tubes |
| Timer Control | Programmable, microprocessor-controlled timing |
| Power Supply | 230 VAC ±15%, 50 Hz or 115 VAC ±15%, 60 Hz |
| Power Consumption | 560 W |
| Safety Certification | CE, cETLus, GS, DIN VDE 0700 Part 1 (11/90), Protection Class I |
| Dimensions (W×H×D) | 256 × 185 × 315 mm |
| Weight | 3.6 kg |
| Interface | RS232 serial output + 2 banana sockets (for optional TFK CR temperature probe or AK CR/P, CR/PC adapters) |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-503 |
| Measurement Principles | Potentiometric (pH/mV), Conductometric (EC/TDS/Salinity/Resistivity), Fluorescence-based Optical Dissolved Oxygen (DO) |
| pH Range | 0.00–14.00 |
| EC Range | 0.00–200.0 mS/cm |
| DO Range | 0.00–99.00 mg/L |
| Temperature Range | −5.0–55.0 °C |
| pH Accuracy | ±0.01 pH |
| EC Accuracy | ±0.5% FS |
| DO Accuracy | ±0.2 mg/L |
| pH Repeatability | ≤±0.01 pH |
| EC Repeatability | ≤±0.2% |
| DO Repeatability | ≤±0.1 mg/L |
| EC Detection Limit | 0.01 μS/cm |
| DO Detection Limit | 0.01 mg/L |
| Display | 7-inch color capacitive touchscreen |
| Protection Rating | IP54 |
| Power | Rechargeable Li-ion battery with USB-C and external power input |
| Connectivity | Integrated Bluetooth 5.0, USB data export, PC/mobile app support |
| Compliance | Designed for GLP/GMP-aligned workflows with audit-trail-capable data logging, firmware upgradability, and factory reset capability |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-501 |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching (Optical) |
| DO Range | 0–50.00 mg/L |
| Accuracy | ±0.1 mg/L |
| Repeatability | ≤±0.05 mg/L |
| Detection Limit | 0.01 mg/L |
| Display | 7-inch color capacitive touchscreen |
| DO Resolution | 0.01 mg/L (at <10 mg/L), 0.1 mg/L (at ≥10 mg/L) |
| Temperature Compensation | Automatic & Manual |
| IP Rating | IP54 |
| Data Management | Onboard statistics, audit trail, firmware update, power-fail recovery, factory reset |
| Compliance | Designed for GLP/GMP-aligned workflows |
| Brand | Macherey-Nagel (Germany) |
|---|---|
| Origin | Germany |
| Model | PF-3 919342 |
| Instrument Type | Portable |
| Measurement Principle | UV Absorption Spectrophotometry |
| Wavelength | 365 nm |
| Measurement Range | 2–60,000 mg/L COD |
| Repeatability | High precision |
| Detection Limit | Low (optimized for high-sensitivity UV absorption) |
| Measurement Time | <5 seconds per sample |
| Sample Throughput | Single-sample mode |
| Optical System | LED-based photometer with interference filters (365/450/595 nm) |
| Wavelength Accuracy | ±2 nm |
| Bandwidth (FWHM) | 10–12 nm |
| Detector | Silicon photodiode |
| Cuvette Format | 16 mm round tubes |
| Data Storage | 50 measurement records |
| Display | Graphical LCD (64 × 128 pixels) |
| Operating Temperature | 10–40 °C |
| Relative Humidity | ≤80% RH (non-condensing) |
| Power Supply | 3×AA batteries (alkaline or rechargeable), USB bus power, optional internal rechargeable battery |
| Enclosure Rating | IP68 |
| Dimensions | 170 × 95 × 68 mm |
| Weight | 0.5 kg |
| Compliance | CE-marked |
| Warranty | 12 months |
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