Water Quality Analysis
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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DOB-612Y |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| Accuracy | ±0.30 mg/L |
| Resolution (DO) | 0.01 mg/L |
| Repeatability | 0.15 mg/L |
| Zero Error | ≤0.1 mg/L |
| Response Time | ≤60 s (90% response at 20 °C) |
| DO Saturation Range | 0.0–200.0 % |
| Saturation Accuracy | ±10.0 % |
| Temperature Range | 0.0–50.0 °C |
| Temp. Accuracy | ±0.2 °C (10–30 °C) |
| Temp. Resolution | 0.1 °C |
| Salinity Compensation Error | ±2% |
| IP Rating | IP67 |
| Dimensions | 92 × 263 × 49 mm |
| Weight | ~0.6 kg |
| Power | Rechargeable Li-ion battery + DC 5 V adapter (AC 100–240 V input) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DWG-8002A |
| Instrument Type | Online Analyzer |
| Measurement Principle | Ammonia Gas-Sensing Electrode Method |
| Measurement Range | 0.05–1000.00 mg/L NH₃-N |
| Accuracy | ±0.2 mg/L (≤2.00 mg/L) |
| Repeatability | ≤2.0% (0.10–10.00 mg/L), ≤5.0% (10.00–1000.00 mg/L) |
| Drift (24 h) | ≤0.02 mg/L (low range), ≤2% (high range) |
| Minimum Detection Limit | ≤0.15 mg/L |
| Output Signal | Isolated 4–20 mA DC (max. load 600 Ω), RS-485 Modbus RTU |
| Data Storage | 4000 measurement records, 500 calibration logs |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (L×W×H) | 470 × 325 × 700 mm |
| Weight | ~32 kg (dry) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (China) |
| Model | DWG-8003 |
| Price Range | USD 7,000–14,000 |
| Instrument Category | Fluoride Ion Analyzer |
| Instrument Type | Online Continuous Monitoring System |
| Measurement Range | 0.05–1900 mg/L |
| Response Time (90%) | ≤5 min |
| Resolution | 0.01 mg/L |
| Accuracy | ±10% of reading |
| Repeatability | ≤3% RSD |
| Stability | ±10% over 4 h |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% |
| Dimensions (W×D×H) | 600 × 450 × 160 mm |
| Weight | 50 kg |
| Output | Isolated 4–20 mA DC (configurable span) |
| Temperature Control | Integrated Peltier-based thermostatic module |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | DWG-8004 |
| Price Range | USD 7,000–14,000 (FOB Shanghai) |
| Instrument Category | Chloride Ion Analyzer |
| Instrument Type | Online Continuous Monitoring System |
| Measurement Range | 2.00–1900 mg/L Cl⁻ |
| Resolution | 0.01 mg/L |
| Accuracy | ±10% of reading |
| Repeatability | ≤3% RSD |
| Drift | ±10% over 4 h |
| 90% Response Time | ≤5 min |
| Operating Power | 220 ± 22 V AC, 50 ± 1 Hz |
| Dimensions (W×H×D) | 600 × 450 × 160 mm |
| Weight | 50 kg |
| Temperature Control | Integrated Peltier-based thermostatic module (±0.5 °C stability) |
| Output Signals | Isolated 4–20 mA DC (user-configurable span) |
| Display | 7-inch color TFT-LCD touchscreen with Chinese GUI |
| Data Storage | Internal non-volatile memory supporting ≥100,000 timestamped measurement and calibration records |
| Auto-calibration | Programmable interval (1 h to 7 days) |
| Cleaning | Motor-driven wiper + optional air-pulse or water-jet cleaning cycle |
| Alarm Outputs | Dual relay outputs (NO/NC), configurable high/low concentration thresholds |
| Power Failure Recovery | Automatic resume with data integrity preservation |
| Compliance | Designed per GB/T 32205–2015 (Chinese Standard for Online Water Quality Analyzers), compatible with ISO 7027 (turbidity interference mitigation), and supports audit-ready logging for GLP/GMP-aligned operations |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | DWS-295F |
| Price Range | USD 700–1,400 |
| Instrument Category | Sodium Ion Analyzer |
| Form Factor | Benchtop |
| Measurement Accuracy | ±0.01 pNa |
| Temperature Range | −5.0 to 110.0 °C |
| pNa Range | 0.00–9.00 pNa |
| mV Range | −1999 to +1999 mV |
| [Na⁺] Concentration Range | 2.3×10⁻² to 2.3×10⁷ µg/L |
| Temperature Accuracy | ±0.2 °C |
| Data Storage Capacity | 50 datasets (pNa/mV/[Na⁺]/temperature) |
| Interface | USB |
| Power Supply | DC 9 V, 800 mA (center-positive) |
| Dimensions | 280 × 215 × 92 mm |
| Weight | 1.0 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Region of Manufacture | Domestic (China) |
| Model | DWS-296 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Gas-Sensing Ion-Selective Electrode (ISE) Method |
| Measurement Range | 0.05–1000 mg/L NH₃–N |
| Accuracy | ±1% of reading |
| Detection Limit | 0.05 mg/L |
| Analysis Time | 5–10 minutes per sample |
| Throughput | 1 sample per run |
| Display | LCD with Chinese GUI |
| Data Storage | 200 measurement records |
| Calibration | 2-point calibration supported |
| Connectivity | USB interface for PC communication via proprietary software |
| Temperature Control | Integrated thermostatic system (0.0–40.0 °C) |
| Measured Parameters | pN (–log[NH₃]), mV, NH₃–N concentration (mg/L), temperature (°C) |
| Electronic Unit Error | pN ±0.01 pN ±1 digit |
| Stability | ≤±0.01 pN / 3 h |
| Power Supply | Control unit: 9 V DC, 500 mA (center-positive) |
| Measurement unit | AC 220 V ±10%, 50 Hz ±1 Hz |
| Dimensions & Weight | Control unit: 300 × 220 × 80 mm, 1 kg |
| Measurement unit | 370 × 380 × 510 mm, 13 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | DWS-51 |
| Instrument Category | Sodium Ion Analyzer |
| Form Factor | Benchtop |
| Measurement Accuracy | ±0.02 pNa |
| Display | Segment LCD |
| Temperature Compensation | Manual |
| Calibration | Two-point (Static & Dynamic) |
| Measurement Modes | Static and Dynamic (Dynamic mode requires optional DWS-51-1 Alkalinization Unit) |
| Output Units | pNa and [Na⁺] (μg/L) |
| Measurement Range | pNa 0.00–9.00 |
| Conversion Error | ≤±3% of reading |
| Electrical Supply | AC 220 V ±10%, 50 Hz ±1% |
| Dimensions | 290 × 210 × 95 mm |
| Weight | 1.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DX-02 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Digestion Capacity | 32 positions |
| Temperature Range | 45–185 °C |
| Temperature Accuracy | ±0.1 °C |
| Temperature Display Error | ±2 °C |
| Temperature Uniformity | ≤2 °C |
| Digestion Time Range | 0–480 min |
| Time Display Error | ±2% |
| Tube Diameter | φ16 mm |
| Power Supply | 100–240 V AC, 50/60 Hz |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions (W×D×H) | 240×360×180 mm |
| Weight | ~5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZB-712 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measured Parameters | pH (−2.00–20.00), mV (−2000.0–2000.0) |
| Repeatability | pH ≤ ±0.01 pH |
| IP Rating | IP65 |
| Built-in Modules | pH/pX, Conductivity, Dissolved Oxygen (DO) |
| Temperature Compensation | Automatic (℃/°F selectable) |
| Data Storage | 500 sets per parameter |
| Compliance | GLP-compliant data traceability |
| Interface | USB, RS-232 |
| Power | Rechargeable Li-ion battery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DZB-712 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH/pX, Conductivity, Dissolved Oxygen, Temperature, TDS, Salinity, Resistivity, ORP (mV), DO Saturation |
| IP Rating | IP65 |
| Display | High-Resolution LCD |
| Power | Rechargeable Li-ion Battery (DC5V input compatible) |
| Dimensions | 80 × 235 × 42 mm |
| Weight | 0.4 kg |
| Calibration | Auto-recognized standard buffers (GB/DIN/NIST), 1–5-point pH/pX |
| Data Storage | 500 sets per parameter group |
| Compliance | GLP-compliant data traceability, audit-ready metadata (timestamp, electrode ID, calibration history, operator ID) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | DZB-712F |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH, Conductivity, Dissolved Oxygen (DO) |
| IP Rating | IP65 |
| Display | High-resolution color LCD touchscreen |
| Power | Rechargeable lithium battery (DC5V input via AC adapter) |
| Dimensions | 90 × 258 × 42 mm |
| Weight | 0.5 kg |
| Data Storage | 1000 datasets per parameter group |
| Compliance | GLP-compliant data logging with audit trail support |
| Connectivity | USB port for PC/LIMS integration |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DZB-715 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Water Temperature, pH/ORP, Conductivity/Salinity, Dissolved Oxygen, Depth |
| Display | 3.5" TFT Color Touchscreen |
| IP Rating | IP67 |
| Battery | Rechargeable Lithium-ion |
| Standard Cable Length | 10 m (customizable up to 100 m) |
| Data Storage | 5000 measurement sets |
| GPS | Optional |
| GPRS Transmission | Optional |
| Interface | USB, RS485 |
| Calibration | Single-point or multi-point, GLP-compliant |
| Operating Depth | Up to 10 m |
| Dimensions | 230 × 90 × 55 mm |
| Weight | 0.33 kg |
| Accuracy | pH ±0.10 pH |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZB-718L |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurement Parameters | pH, pX (Ion Selective Electrode), ORP, Ion Concentration, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Calibration Support | Up to 8-point pH calibration with auto-recognition of GB, DIN, NIST, Merck, and JIS buffers |
| Electrode Management | Up to 5 electrodes per type (pH, ion-selective, conductivity, DO) |
| Data Storage | 1000 datasets per parameter module, GLP-compliant |
| Display | 4.3-inch TFT capacitive touch screen |
| Connectivity | USB interface for PC communication and firmware updates |
| Language Options | English and Chinese |
| Temperature Compensation | Manual and automatic (for pH, conductivity, DO) |
| [Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Portable/HANDHELD Water Quality Analyzer |
| Measurement Parameters | pH, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), Temperature |
| Accuracy Class | pH/pX: 0.001-grade |
| Conductivity/Resistivity/TDS/Salinity | 0.5-grade |
| DO | ±0.30 mg/L (≤20.00 mg/L), ±10.0% (>20.00 mg/L) |
| Temperature | ±0.3 °C (0–60 °C), ±1.0 °C (other ranges) |
| Display | High-resolution color LCD touchscreen with bilingual (English/Chinese) UI |
| Protection Rating | IP65 |
| Power Supply | Rechargeable lithium-ion battery |
| AC adapter input | 100–240 V AC, output: 5 V DC |
| Dimensions & Weight | 90 × 255 × 40 mm, 0.5 kg] |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DZB-718L-G |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameters | pH / pX, Ion Concentration, mV, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO), DO Saturation, Temperature |
| [Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Laboratory-Based Water Quality Analyzer |
| Model | DZS-706F |
| Measurement Parameters | pH/pX, Redox Potential (mV), Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Compliance | GLP-compliant data management with audit trail support |
| Connectivity | RS-232 serial port (printer-ready), USB 2.0 (PC communication) |
| IP Rating | IP54 |
| Display | Color high-resolution LCD |
| Data Storage | 500 datasets per parameter group |
| Calibration | Auto-recognition of GB/DIN/NIST buffers |
| Temperature Compensation | Automatic (pH, conductivity, DO), manual salinity compensation for DO |
| Electrode Support | Tri-combination pH electrode, composite conductivity cell (k = 1.0 cm⁻¹), polarographic DO sensor] |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | DZS-706F |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Spectrophotometry (for COD, TP, TN, NH₃-N) + Electrochemical Sensing (pH/pX, Conductivity, Dissolved Oxygen) |
| Measured Parameters | Total Phosphorus (TP), Low-Range COD (5–200 mg/L), High-Range COD (200–2000 mg/L), Total Nitrogen (TN), Ammonia Nitrogen (NH₃-N), pH, mV, Ion Concentration, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Measurement Ranges | TP: 0.01–20 mg/L |
| COD (Low) | 5–200 mg/L |
| COD (High) | 200–2000 mg/L |
| TN | 0.1–100 mg/L |
| NH₃-N | 0.02–50 mg/L |
| Repeatability | ≤ ±5% |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DZS-708L |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Electrochemical Sensing |
| Measured Parameters | pH, ORP, mV, pX, Ion Concentration, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO) Concentration & Saturation, Temperature |
| Measurement Ranges | pH: −2.000–20.000 |
| pX | 0.000–14.000 |
| ORP | ±1999.99 mV |
| Ion Concentration | 0–19990 (units selectable: pX, mol/L, mmol/L, g/L, mg/L, µg/L) |
| Repeatability | pH/pX ≤ ±0.002 |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Model | DZS-708T |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measurable Parameters | pH, Conductivity, Dissolved Oxygen (DO), Ion Concentration (e.g., Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻) |
| Measurement Ranges | pH/pX: (0.000–14.000) |
| DO | (0.00–50.00) mg/L |
| Repeatability | ±3% |
| IP Rating | IP54 |
| Compliance | GLP, GMP-supportive data integrity architecture |
| Connectivity | RS-232, USB, LIMS-compatible, optional autosampler interface |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DZS-708T |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | pH, Conductivity, Ion Concentration (Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻, etc.), Dissolved Oxygen (DO), ORP, TDS, Salinity, Resistivity, Ash Content (White Sugar & HFCS), Temperature |
| Accuracy Class | pH/pX: 0.001-grade |
| Conductivity | 0.5-grade |
| Measurement Ranges | pH (-2.000–20.000) |
| Resolution | pH/ pX: 0.001 |
| mV | 0.01 |
| Conductivity | 0.001 μS/cm (auto-ranging) |
| DO | 0.01 mg/L |
| Temp | 0.1 °C |
| Key Compliance | GLP-compliant data management, FDA 21 CFR Part 11-ready audit trail (via software configuration), GMP-aligned user permission hierarchy and operation logging |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic Lab-Based Water Quality Analyzer |
| Model | DZS-708TP |
| Price Range | USD 1,400–4,200 (FOB) |
| Instrument Type | Benchtop Multiparameter Laboratory Analyzer |
| Measured Parameters | pH, pX (Ion Concentration), ORP, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Display | 7-inch HD Color TFT Touchscreen |
| IP Rating | IP54 |
| Compliance | GLP, GMP (21 CFR Part 11-ready audit trail), ISO/IEC 17025-supportive data management |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Polarographic Electrochemical Probe |
| Measurement Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L for values ≤20.00 mg/L |
| IP Rating | IP65 |
| Data Storage Capacity | 500 measurement sets |
| Temperature Compensation | Automatic (user-selectable units: °C or °F) |
| Atmospheric Pressure Compensation | Automatic (kPa, mmHg, atm selectable) |
| Calibration | Zero-oxygen and saturated-oxygen (full-scale) calibration supported |
| Salt Compensation | Manual input |
| Connectivity | RS-232 printer port, USB interface for PC communication |
| Power Supply | Rechargeable lithium-ion battery with low-voltage and charging-status indicators |
| Backlight | Adjustable |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPBJ-608 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic Sensor |
| DO Range | (0.00–50.00) mg/L |
| Accuracy | ±0.30 mg/L for ≤20.00 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1 °C / 0.1 °F (Temperature), 0.1% (Saturation) |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Temperature Compensation | Automatic, with manual salinity compensation |
| Atmospheric Pressure Compensation | kPa, mmHg, atm selectable |
| IP Rating | IP65 |
| Data Storage | 500 sets |
| Power | Rechargeable Li-ion battery |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Compliance | GLP-compliant data logging with audit trail support |
| 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 | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | JPBJ-609L |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| Measurement Range | (0.00–50.00) mg/L |
| Accuracy | ±0.10 mg/L (0.00–50.00 mg/L) |
| Resolution | 0.01 mg/L |
| Response Time | ≤45 s (90% response at 20 °C) |
| Temperature Compensation | Automatic/Manual (−10.0 to 135.0 °C) |
| Atmospheric Pressure Compensation | Manual (kPa, mbar, Torr, atm) |
| Salinity Compensation | Manual |
| IP Rating | IP65 |
| Battery | Rechargeable Li-ion |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPBJ-611Y |
| Instrument Type | Portable |
| Measurement Principle | Fluorescence Quenching |
| Measurement Range | (0.00–20.00) mg/L DO |
| Accuracy | ±0.30 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (Saturation), 0.1 °C (Temperature) |
| Temperature Compensation | Automatic (0.0–50.0 °C) |
| Salinity Compensation | Manual (0.0–50.0 g/L) |
| Atmospheric Pressure Compensation | Automatic (50.0–110.0 kPa) |
| Power Supply | Rechargeable Li-ion Battery |
| Dimensions | 235 × 90 × 56 mm |
| Weight | ~0.3 kg |
| Data Storage Capacity | 1000 datasets with metadata (location, timestamp, operator ID, section ID, calibration logs) |
| Display | 3.5″ TFT Touchscreen |
| Standard Electrode | DO-962 Optical DO Sensor |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Laboratory Benchtop DO Meter |
| Measurement Principle | Polarographic Electrochemical Probe |
| Measurement Range | 0–90.00 mg/L |
| Accuracy | ±0.10 mg/L |
| Repeatability | ≤0.15 mg/L |
| Detection Limit | ±0.10 mg/L (at 0 mg/L) |
| Temperature Compensation | Automatic (NTC sensor integrated) |
| Atmospheric Pressure Compensation | Built-in barometric sensor |
| Calibration Modes | Zero-oxygen (sodium sulfite), Full-scale (air-saturated water or Winkler standard), Salt Correction Support |
| Connectivity | RS-232, USB port for PC and USB flash drive |
| Data Storage | 1000 measurement records with timestamp, electrode ID, calibration history, user ID, and environmental parameters |
| GLP Compliance | Yes — full audit trail including calibration logs, user login events, and data modification timestamps |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | JPSJ-606T |
| Instrument Type | Benchtop Laboratory Meter |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic Sensor |
| Measurement Range (Electronic Unit) | 0.00–99.99 mg/L |
| Accuracy | ±0.10 mg/L |
| Repeatability | ±2.0% |
| Display | High-resolution color LCD touchscreen |
| Language Support | English & Chinese |
| Temperature Units | °C or °F |
| Included Accessories | Polarographic DO electrode, independent electrode stand, dust cover |
| Calibration | Zero-oxygen and saturation (air-saturated water) calibration |
| Compensation | Automatic temperature compensation (ATC), manual or automatic atmospheric pressure compensation (kPa, mbar, Torr, atm), manual salinity compensation |
| Endpoint Detection | Intelligent endpoint recognition with auto-read, timed-read, interval-read, and manual-read modes |
| Data Management | GLP-compliant storage for 1000 measurement records with timestamp, electrode ID, calibration history, user ID, and environmental parameters |
| Security & Compliance | User-level access control (admin/operator), password protection, GMP audit trail (operation log with user, action, timestamp), full traceability |
| Connectivity | RS-232 (for thermal/serial printers), USB-B (PC communication via dedicated software), U-disk read/write, barcode scanner support |
| Optional Automation | Compatible with automated sample changers for unattended batch analysis |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | JPSJ-606T |
| Price Range | USD 700–1,400 |
| Instrument Type | Laboratory Benchtop |
| Measurement Principle | Polarographic Electrochemical Probe |
| Dissolved Oxygen Range (Electronic Unit) | 0.00–99.99 mg/L |
| Accuracy | ±0.10 mg/L (0.00–50.00 mg/L) |
| Instrument Accuracy | ±0.30 mg/L (≤20.00 mg/L) |
| Repeatability | ±2.0% |
| Response Time | ≤45 s (90% response at 20.0 °C) |
| Temperature Compensation | Automatic |
| Atmospheric Pressure Compensation | Manual or Auto (kPa, mbar, Torr, atm) |
| Salinity Compensation | Manual |
| Saturation Range | 0.0–600.0 % |
| Temperature Range | −10.0–135.0 °C |
| Temperature Accuracy | ±0.3 °C (0.0–60.0 °C) |
| Data Storage Capacity | 1,000 datasets |
| Connectivity | RS-232, USB, optional LIMS integration |
| Compliance | GLP, GMP-ready audit trail support |
| IP Rating | IP54 |
| Power Supply | AC 100–240 V → DC 24 V adapter |
| Dimensions & Weight | 220 × 195 × 68 mm, 0.95 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | KDNX-20 |
| Pricing | Upon Request |
| Digestion Method | Rapid Digestion |
| Heating Module | Single Graphite Block |
| Batch Capacity | 20 Samples |
| Temperature Range | Ambient to 450 °C |
| Temperature Accuracy | ±1 °C |
| Sample Vessel Capacity | 20 mL |
| Timer Drift | ≤±1 s/h |