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| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | DWG-8025A |
| Price Range | USD 2,800 – 7,000 (FOB Shanghai) |
| Instrument Category | Sodium Ion Analyzer |
| Instrument Type | Online Continuous Monitoring System |
| Measurement Range | 0.1–1000 µg/L Na⁺ |
| Resolution | 0.1 µg/L (≤10 µg/L), 1 µg/L (>10 µg/L) |
| Temperature Range | −10.0 to +120.0 °C |
| Temperature Resolution | 0.1 °C |
| Accuracy (Sodium) | ±10% of reading ±0.1 µg/L |
| Accuracy (Temperature) | ±0.5 °C (0.0–60.0 °C), ±1.0 °C (other) |
| Repeatability | ≤5% of reading |
| Drift Stability | ±10% of reading / 24 h (system), ±3% of reading / 24 h (electronic unit) |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% |
| Output | Isolated 4–20 mA DC (configurable span), RS-232 or RS-485 (user-selectable) |
| Optional | Integrated pH auto-adjustment module |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Type | Benchtop Ion Analyzer |
| 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 | Equivalent to measurement range |
| Response Time | ≤5 s |
| Accuracy Class | 0.001 |
| Temperature Range | −10.0 to 135.0 °C (14.0 to 275.0 °F) |
| mV Range | −2000.00 to +2000.00 mV |
| pH/pX Range | −2.000 to 20.000 |
| pH/pX Resolution | 0.001 |
| mV Resolution | 0.01 mV |
| Temperature Resolution | 0.1 °C/°F |
| Input Power | AC 100–240 V → DC 24 V |
| Dimensions | 220 × 195 × 68 mm |
| Weight | 0.95 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 Classification | Domestic (China) |
| Model | PXSJ-270F |
| Price Range | USD 150–750 (est.) |
| Instrument Category | Multi-Ion Analyzer |
| Form Factor | Benchtop |
| pX Measurement Range | (−2.00 to 20.00) pX |
| pX Accuracy | ±0.01 pX |
| Temperature Range | (−5.0 to 110.0) °C / (23.0 to 230.0) °F |
| pH Range | (−2.00 to 20.00) pH |
| pH Accuracy | ±0.01 pH |
| mV Range | (−2000.0 to +2000.0) mV |
| mV Resolution | 0.1 mV |
| Ion Concentration Units | mol/L, mmol/L, g/L, mg/L, μg/L |
| Data Storage Capacity | 500 datasets |
| Connectivity | RS-232, USB |
| IP Rating | IP54 |
| Compliance | GLP-compliant data logging with audit trail support |
| 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 | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | PXSJ-216F |
| Instrument Type | Benchtop |
| Ion Measurement Range | (−2.000 to 20.000) pX |
| Measurement Resolution | 0.001 pX |
| Temperature Range | (−10.0 to 135.0) °C / (14.0 to 275.0) °F |
| pH Range | (−2.000 to 20.000) pH |
| mV Range | (−2000.00 to 2000.00) mV |
| Temperature Resolution | 0.1 °C/°F |
| Accuracy (pX/pH) | ±0.002 pX/pH |
| Accuracy (mV) | ±0.03% or ±0.1 mV |
| Accuracy (Temperature) | ±0.1 °C |
| Ion Concentration Units | mol/L, mmol/L, g/L, mg/L, μg/L |
| Data Storage Capacity | 500 datasets |
| Communication Interfaces | RS-232, USB |
| IP Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 9 V output |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 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 |
| 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 | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | PXSJ-227L |
| Instrument Type | Benchtop |
| Ion Measurement Capability | Multi-ion (up to 4 simultaneous channels) |
| pH/pX Accuracy Class | 0.001-level |
| pH Range | −2.000 to 20.000 |
| pX Range | −2.000 to 20.000 |
| mV Range | −2000.00 to +2000.00 mV |
| Ion Concentration Range | 1.000 × 10⁻⁹ to 9.999 × 10⁹ (units: mol/L, mmol/L, g/L, mg/L, µg/L, ppm, ppb) |
| Temperature Range | −10.0 to 135.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C (0.0–60.0 °C), ±1.0 °C (remainder) |
| Data Storage | 1000 pH/ORP/pX/concentration records, 100 calibration sets, 1000 pH standard verification logs |
| Connectivity | RS-232, USB, optional autosampler interface |
| Compliance | GLP-compliant data handling, GMP-ready audit trail, FDA 21 CFR Part 11–compatible software architecture (via PC client) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic (China) |
| Model | PXBJ-286F |
| Price Range | USD 1–700 (est.) |
| Instrument Type | Portable |
| Ion Measurement Range | (−2.00 to 20.00) pX |
| Measurement Accuracy | ±0.01 pX |
| Temperature Range | (−5.0 to 110.0) °C / (23.0 to 230.0) °F |
| pH Range | (−2.00 to 20.00) pH |
| mV Range | (−2000.0 to 2000.0) mV |
| Temperature Resolution | 0.1 °C / 0.1 °F |
| 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 Category | Domestic (China) |
| Model | PXBJ-287L |
| Price Range | USD 700–1,400 |
| Instrument Type | Portable |
| Ion Measurement Range | (−2.000 to 20.000) pX |
| Measurement Accuracy | ±0.002 pX |
| Temperature Range | (−10.0 to 135.0) °C / (14.0 to 275.0) °F |
| pH Range | (−2.000 to 20.000) pH |
| mV Range | (−2000.00 to 2000.00) mV |
| Resolution | 0.001 pX / 0.001 pH / 0.01 mV |
| Temperature Resolution | 0.1 °C / 0.1 °F |
| IP Rating | IP65 |
| Battery | Rechargeable Li-ion |
| Dimensions | 90 × 255 × 40 mm |
| Weight | 0.5 kg |
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