Water Quality Analysis
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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DWG-8003 |
| Type | Online Ion Analyzer |
| Measurement Range | (0.05–1900) mg/L F⁻ |
| Resolution | 0.01 mg/L |
| Accuracy | ±10% of reading |
| Repeatability | ≤3% |
| Stability | ±10% over 4 h |
| 90% Response Time | ≤5 min |
| Output | Isolated 4–20 mA DC (configurable span) |
| Communication | RS-232 or RS-485 (user-selectable) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 600 × 450 × 160 mm |
| Weight | 50 kg |
| 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 | Authorized Distributor |
| Country of Origin | China |
| Model | DWG-8004 |
| Instrument Category | Chloride Ion Analyzer |
| Instrument Type | Online Continuous Monitor |
| Measurement Range | (2.00–1900) mg/L |
| Resolution | 0.01 mg/L |
| Accuracy | ±10% of reading |
| Repeatability | ≤3% |
| Stability | ±10% over 4 h |
| 90% Response Time | ≤5 min |
| Power Supply | (220 ± 22) V AC, (50 ± 1) Hz |
| Dimensions (W×H×D) | 600 × 450 × 160 mm |
| Weight | 50 kg |
| Output | Isolated 4–20 mA DC (configurable span) |
| Temperature Control | Integrated Peltier-based thermostatic module |
| Display | 7-inch color TFT LCD with capacitive touch interface |
| Data Storage | Internal non-volatile memory supporting ≥100,000 timestamped records |
| Alarm Outputs | Dual programmable high/low concentration thresholds with relay dry-contact output |
| Auto-functions | Scheduled auto-calibration, auto-cleaning, auto-zeroing, and power-fail recovery |
| 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 |
|---|---|
| Model | DWS-295F |
| Type | Benchtop Sodium Ion Analyzer |
| 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 sets (pNa, mV, or [Na⁺] with temperature) |
| Interface | USB |
| Power Supply | DC 9 V, 800 mA (center-positive) |
| Dimensions | 280 × 215 × 92 mm |
| Weight | 1 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 | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | DWS-296 |
| Price | USD 1,530 (approx.) |
| 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 |
| Measurement Time | 5–10 minutes per sample |
| Sample Throughput | 1 sample per assay |
| Display | LCD with Chinese GUI |
| Readout Modes | Smart-Read (adaptive equilibrium), Timed-Read (fixed-interval or endpoint), Cont-Read (continuous kinetic monitoring) |
| Data Storage | Up to 200 measurement sets with timestamp, pN, mV, temperature, and NH₃–N concentration |
| Power Supply | Control Unit: 9 VDC, 500 mA (center-positive) |
| Measurement Unit | AC 220 V ±10%, 50 Hz |
| Dimensions & Weight | Control Unit: 300 × 220 × 80 mm, 1 kg |
| Measurement Unit | 370 × 380 × 510 mm, 13 kg |
| Interface | RS-232 serial port compliant with EIA/TIA-232 standard |
| Software Compatibility | REX Data Acquisition Software (Windows-based) |
| Printer Support | TP-16 thermal printer (optional) |
| Electrode Type | Integrated composite ammonia gas-sensing ISE with hydrophobic membrane and internal buffer |
| Temperature Compensation | Automatic (0.0–40.0 °C), NTC thermistor-based |
| Environmental Rating | Indoor laboratory use only, IP20 |
| Compliance | Designed in accordance with GB/T 27025–2019 (equivalent to ISO/IEC 17025), JJG 822–2019 (Chinese metrological verification regulation for ammonia analyzers) |
| 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 | Authorized Distributor |
| Country of Origin | China |
| Model | DWS-51 |
| Instrument Category | Sodium Ion Meter |
| Form Factor | Benchtop |
| Measurement Accuracy | ±0.02 pNa |
| Display | LCD segment-type |
| Temperature Compensation | Manual |
| Calibration | Two-point (static/dynamic) |
| Measurement Modes | Static and Dynamic (with optional DWS-51-1 alkalizing unit) |
| Output | pNa and [Na⁺] concentration (μg/L) |
| Measurement Range | pNa 0.00–9.00 |
| Electronic Unit Error | ±3% conversion error (reading-based) |
| Power Supply | AC 220 V ±10%, 50 Hz ±2% |
| 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 |
| Model | DZB-712 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurement Parameters | pH/pX, Conductivity, Dissolved Oxygen (DO), Temperature, TDS, Salinity, Resistivity, ORP (mV) |
| IP Rating | IP65 |
| Display | High-Resolution LCD |
| Data Storage | 500 sets per parameter |
| Compliance | GLP-compliant data traceability |
| Connectivity | USB, RS-232 |
| Power | Rechargeable Li-ion battery (DC5V input support) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| pH Accuracy | ±0.01 pH |
| Conductivity Accuracy | ±1.0% FS |
| DO Accuracy | ±0.30 mg/L (≤20.00 mg/L), ±10.0% (>20.00 mg/L) |
| Temperature Range | −5.0 to 110.0 °C |
| 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 |
| 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 |
| Data Storage | 1000 datasets per parameter |
| Compliance | GLP-compliant data logging |
| Power | Rechargeable Li-ion battery (DC5V input) |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
| pH Accuracy | ±0.01 pH |
| Conductivity Accuracy | ±1.0% FS |
| DO Accuracy | ±0.30 mg/L (≤20.00 mg/L), ±10.0% (>20.00 mg/L) |
| Temperature Range | −5.0 to 110.0 °C |
| Auto-Temperature Compensation | Yes (pH, conductivity, DO) |
| Electrode Interfaces | Triple-combined pH electrode, composite conductivity electrode, polarographic DO electrode |
| 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-715 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Water Temperature, pH/ORP, Conductivity/Salinity, Dissolved Oxygen, Depth |
| Measurement Range | pH (0.00–14.00), ORP (−1999.9–+1999.9 mV), Conductivity (0–200 mS/cm), Salinity (0.0–8.0 %), DO (0.00–19.99 mg/L), Temp (−5.0–70.0 °C), Depth (0.00–10.00 m) |
| Accuracy | pH ±0.10, ORP ±20.0 mV, Conductivity ±1.0% FS, DO ±0.30 mg/L, Temp ±0.5 °C, Depth ±0.05 m |
| Resolution | pH 0.01, ORP 0.1 mV, Conductivity down to 0.001 μS/cm, DO 0.01 mg/L, Temp 0.1 °C, Depth 0.01 m |
| Display | 3.5″ TFT color touchscreen |
| Data Storage | 5000 sets with GLP-compliant metadata |
| IP Rating | IP67 |
| Battery | Rechargeable Li-ion |
| Standard Cable Length | 10 m (customizable up to 100 m) |
| Interfaces | USB, RS485 |
| Optional | GPS module, GPRS data transmission |
| 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 |
| Model | DZB-718L |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Measured Parameters | pH, Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), Temperature |
| IP Rating | IP65 |
| Display | Color TFT Touchscreen |
| Power | Rechargeable Li-ion Battery |
| Compliance | GLP-compliant Data Management |
| Calibration | Auto-buffer recognition (NIST, GB, DIN, JIS, etc.), 1–8-point pH/pX, 1–5-point conductivity, zero/full-scale DO calibration |
| Connectivity | USB, Bluetooth, USB Flash Drive Support, Barcode Scanner Compatible |
| Storage Capacity | 1000 datasets per parameter group |
| Measurement Accuracy | pH ±0.002, Conductivity ±0.5% FS, DO ±0.10 mg/L (0–50 mg/L), Temp ±0.3 °C (0–60 °C)] |
| 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 |
| Model | DZS-706F |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Measured Parameters | pH/pX, ORP (mV), Conductivity, Resistivity, TDS, Salinity, Dissolved Oxygen (DO), DO Saturation, Temperature |
| Measurement Principle | Potentiometric (pH/ion), Inductive/Two-Electrode Conductometry, Polarographic (Clark-type) Dissolved Oxygen |
| Accuracy | pH ±0.01, Conductivity ±1.0% FS, DO ±0.30 mg/L, Temperature ±0.3 °C (0–60 °C) |
| Resolution | pH 0.01, Conductivity 0.001 µS/cm, DO 0.01 mg/L, Temp 0.1 °C |
| Calibration | Up to 5-point pH/pX, 3-point conductivity, zero/full-scale DO |
| Compensation | Automatic temperature (−5 to 110 °C), atmospheric pressure (kPa/mbar/Torr/atm), salinity |
| Data Management | 500 datasets per parameter group, GLP-compliant audit trail, RS-232 & USB interfaces |
| Enclosure Rating | IP54 |
| Power | DC 9 V (AC 100–240 V adapter) |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg] |
| 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 |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (PRC) |
| Model | Leici DZS-708L Multi-Parameter Analyzer (Ion Detection Kit) |
| Instrument Category | Multi-Ion Analyzer |
| Instrument Type | Benchtop |
| Measurement Range | (1.000 × 10⁻⁹ to 9.999 × 10⁹), selectable units: mol/L, mmol/L, g/L, mg/L, µg/L, ppm, ppb |
| Accuracy | ±0.3% of reading |
| Temperature Range | (−10.0 to 135.0) °C / (14.0 to 275.0) °F |
| 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-708L |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | pH, ORP, mV, pX, Ion Concentration (Ag⁺, Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻, NO₃⁻, etc.), Conductivity (EC), Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO) Concentration & Saturation, Temperature |
| Display | 7-inch HD color TFT touchscreen with bilingual (English/Chinese) UI |
| Environmental Rating | IP54 |
| Channels | 4 independent measurement channels |
| Modular Architecture | Supports 6 interchangeable modules — pH, pX, EC-T (2-electrode conductivity), EC-F (4-electrode conductivity), DO-F (fluorescence-based DO), DO-P (polarographic DO) |
| Calibration | Multi-point auto-recognized calibration per module |
| Data Management | GLP-compliant storage for ≥1000 sample sets per parameter type |
| Connectivity | RS-232 (printer), USB (PC software & U-disk export/import), barcode scanner support |
| Compliance | Designed to support ISO/IEC 17025, USP <645>, ASTM D1125, ASTM D512, EPA 150.1/150.2, and FDA 21 CFR Part 11 requirements for data integrity |
| 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 |