Leici
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| 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 | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PXBJ-286F |
| Price | USD 650 (FOB) |
| Sample Introduction Modes | Direct Sampling, Dynamic Headspace Sampling, Field Sampling |
| 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 |
| 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 | 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 |
| Model | PXSJ-216F |
| Instrument Type | Benchtop |
| 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 |
| Protection Rating | IP54 |
| Data Storage Capacity | 500 measurement sets |
| Calibration Points | 1–5 point pH calibration |
| Supported Ion Modes | Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻ (user-definable) |
| Concentration Units | μg/L, mg/L, g/L, mol/L, mmol/L, pX |
| Measurement Methods | Direct concentration, Standard addition, Sample addition, Gran plot |
| Interface | RS-232, USB |
| 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 |
| 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 Series | PXSJ-227L, PXSJ-226T, PXSJ-216F, PXSJ-270F |
| Sample Introduction | Direct immersion |
| Category | Ion Meters (Potentiometric Ion-Selective Electrode Analyzers) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PXSJ-227L |
| Instrument Type | Benchtop |
| Ion Measurement Accuracy | 4 significant digits (scientific notation) |
| Temperature Range | −5.0 to 130.0 °C |
| Ion Modes Supported | H⁺, Na⁺, K⁺, NH₄⁺, Cl⁻, F⁻ (preloaded) |
| Calibration | Auto 1–6 point |
| Measurement Modes | Direct concentration, standard addition, sample addition, Gran plot method |
| Data Storage | 1,000 datasets per mode |
| Compliance | GLP-compliant data traceability |
| Connectivity | RS-232/USB for PC and USB flash drive |
| 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 |
| Model | PXSJ-270F |
| Instrument Type | Benchtop |
| 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 |
| Resolution Options | 0.01 pX / 0.1 pX |
| Temperature Unit Selection | °C or °F |
| Protection Rating | IP54 |
| Data Storage Capacity | 500 datasets |
| Connectivity | RS-232, USB |
| Compliance | GLP-compliant data management |
| 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 |
| Model | SCH-01 |
| Sample Capacity | 11 positions + 1 dedicated wash station |
| Maximum Sample Volume per Cup | 120 mL |
| Typical Sample Volume Range | 65–85 mL |
| Minimum Dispensing Volume | 5 µL |
| Positioning Accuracy | ±0.1 mm |
| Motion System | 3-axis robotic arm |
| Needle Wash Method | Solvent rinse + air-dry purge |
| Replicate Injections | Up to ≥5 injections per sample |
| Purge Function | Compressed air purge (post-injection and pre-aspiration) |
| Housing | Transparent acrylic enclosure (no dedicated observation window) |
| Filtration Module | Not integrated |
| Stirring Modes | Dual-mode — top-mounted and bottom-mounted magnetic stirring |
| Stirring Speed Range | 0–45 rpm |
| Display & Control | Integrated LCD panel with membrane keypad |
| Communication Interfaces | USB 2.0, RS-232 serial |
| Protocol Support | MODBUS RTU |
| Baud Rates | Configurable (9.6 kbps to 115.2 kbps) |
| Self-Diagnostic Capabilities | Built-in system check at power-on and runtime error detection |
| Firmware Upgradability | Field-upgradable via USB |
| Power Supply | 220 V ±10%, 50 Hz ±2% |
| Dimensions (L×W×H) | 525 × 310 × 270 mm |
| Weight | 7.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SCH-01B |
| Pricing | Available upon Request |
| Sample Positions | 16×50 mL / 15×100 mL / 14×200 mL |
| Stirring Options | Top or bottom magnetic stirring, 0–45 speed levels |
| Cleaning System | Dual-pump architecture — PUMP-1 (diaphragm pump) for spray rinsing and PUMP-2 (peristaltic pump) for waste aspiration |
| Interfaces | USB + RS-232 |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | 80–305 VAC, 47–63 Hz |
| Dimensions (W×D×H) | 420×580×500 mm |
| Weight | ~14 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | SCH-02 |
| Instrument Type | Multifunctional Autosampler |
| Maximum Sample Capacity | 24 positions |
| Minimum Injection Volume | 50 µL |
| Positioning Accuracy | ±0.1 mm |
| Actuation Method | Robotic Arm Drive |
| Needle Wash Mode | Automated Solvent Rinse (Integrated Wash Station with Dual-Solvent Capability) |
| Repeat Injection Cycles | 1–99 (Programmable) |
| Post-Injection Purge | Yes (Automatic Residue Blow-Off) |
| Compatible Sample Tray Configurations | 32-position × 50 mL |
| Stirring Function | Optional Top or Bottom Magnetic Stirring |
| Interface Options | USB + RS-232 |
| Communication Protocol | ASCII-based Command Set (Documented for Third-Party Integration) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SCH-02B |
| Pricing | Upon Request |
| Sample Positions | 30×50 mL / 24×100 mL / 18×200 mL |
| Stirring Options | Top or Bottom Stirring, 0–45 Speed Levels |
| Cleaning Mechanism | Dual-pump System (PUMP-1 Diaphragm Pump + PUMP-2 Peristaltic Pump), Spray & Immersion Rinse |
| Interfaces | USB + RS232 |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤85% RH |
| Power Supply | 80–305 VAC, 47–63 Hz |
| Dimensions (W×D×H) | 420×580×500 mm |
| Weight | ~16 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Coulometric Karl Fischer Moisture Analyzer |
| Titration Method | Fully Automatic |
| Moisture Measurement Range | 10.0 µg – 200 mg |
| Resolution | 0.1 µg |
| Repeatability | ≤1% |
| Electrolysis Current Stability | ±0.2% / 10 min |
| Polarization Current Error | ±3% |
| Polarization Current Stability | ±2.5% / 30 min |
| Potential Measurement Range | 0–2000 mV |
| Potential Resolution | 0.1 mV |
| Power Supply | 100–240 VAC, 47–63 Hz |
| Dimensions (L×W×H) | 240 × 370 × 270 mm |
| Weight | ~3 kg |
| Data Storage Capacity | 200 measurement records |
| Interface Support | RS-232 (printer), USB (scanner, moisture control software, U-disk export), optional KF oven coupling |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Volumetric Karl Fischer Titrator |
| Moisture Measurement Range | 0.1–250.0 mg |
| Resolution | 1 µg |
| Accuracy | ±7% |
| Repeatability | ≤0.5% (for samples containing >10 mg water) |
| Titration Mode | Fully Automatic |
| Electrode Potential Range | 0–2000 mV |
| Potential Resolution | 1 mV |
| Polarization Current Error | ±3% |
| Polarization Current Stability | ±2.5% over 30 min |
| Power Supply | 80–305 VAC, 47–63 Hz |
| Dimensions (W×D×H) | 240 × 370 × 270 mm |
| Weight | ~4 kg |
| Data Storage Capacity | 200 methods/results |
| Interface | RS-232, USB, U-disk export support |
| Compliance | GLP-compliant data traceability, multi-level user authentication |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Coulometric Karl Fischer Moisture Analyzer |
| Measurement Range | 3.0 µg – 200 mg H₂O |
| Resolution | 0.1 µg |
| Repeatability | ≤0.3% |
| Titration Method | Fully Automated Coulometric Titration |
| Dimensions (L×W×H) | 240 mm × 370 mm × 270 mm |
| Weight | ~4 kg |
| Power Supply | 100–240 VAC, 47–63 Hz |
| Electrolysis Current Accuracy | ±0.5% |
| Electrolysis Current Stability | ±0.2%/10 min |
| Polarization Current Range | 1–200 µA |
| Polarization Current Error | ±3% |
| Polarization Current Stability | ±2.5%/30 min |
| Potential Measurement Range | 0–2000 mV |
| Potential Resolution | 0.1 mV |
| Data Storage Capacity | 2000 test records |
| Connectivity | RS-232, USB (for balance, barcode scanner, printer), WLAN/WiFi, U disk export |
| Compliance | GLP-compliant architecture, GMP-ready audit trail, 21 CFR Part 11–compatible data management framework |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | SFK-506VC |
| Pricing | ¥88,900 CNY |
| Titration Mode | Fully Automated |
| Instrument Type | Volumetric & Coulometric Karl Fischer Moisture Analyzer |
| Moisture Measurement Range | 3.0 μg – 200 mg (Coulometric), 100 μg – 250.0 mg (Volumetric) |
| Resolution | 0.1 μg (Coulometric), 1 μg (Volumetric) |
| Accuracy | ±0.3% |
| Repeatability | ≤0.3% |
| Polarization Current Range | (1–200) μA |
| Titration Control Precision | 0.1 μg |
| Power Supply | 100–240 VAC, 47–63 Hz |
| Data Storage | 2000 records per method (volumetric & coulometric) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SFS-101J Halogen Moisture Analyzer |
| Price Range | USD 720 – 1,430 (FOB) |
| Weighing Range | 0.2 g to 110 g |
| Readability | 1 mg (d), 10 mg (e) |
| Moisture Readability | 0.01% |
| Accuracy Class | Class II (per OIML R76) |
| Minimum Sample Mass | 1 g |
| Heating Source | Circular Halogen Lamp |
| Temperature Control Range | Ambient to 200 °C |
| Heating Chamber Material | Stainless Steel |
| Sample Pan Diameter | 90 mm |
| Measurement Endpoints | Auto, Manual, and Semi-Automatic Modes |
| Displayed Parameters | Moisture %, Dry Matter %, ATRO Dry Basis %, ATRO Wet Basis % |
| Drying Programs | Standard, Fast, and Slow Drying |
| Timer Range | 0–90 min |
| Real-time Display | Current Temperature, Elapsed Time, Instantaneous Moisture % |
| Interface | RS-232 Serial Port for Printer Output |
| Power Supply | 220 V ±10%, 50/60 Hz |
| Dimensions (W×D×H) | 330 × 200 × 200 mm |
| Net Weight | 5.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SFS-101S Halogen Moisture Analyzer |
| Price Range | USD 720 – 1,430 (FOB) |
| Weighing Range | 0.2 g to 110 g |
| Readability (d) | 1 mg |
| Verification Scale Interval (e) | 10 mg |
| Moisture Readability | 0.01% |
| Accuracy Class | Class II (per OIML R76) |
| Minimum Sample Mass | 1 g |
| Heating Source | Circular Halogen Lamp |
| Temperature Control Range | Ambient to 180 °C |
| Heating Chamber Material | Heat-Resistant Engineering Plastic |
| Sample Pan Diameter | 90 mm |
| Real-Time Display | Temperature, Elapsed Heating Time, Dynamic Moisture %, Dry Matter %, ATRO Dry Basis %, ATRO Wet Basis % |
| Drying Modes | Standard, Quick |
| Termination Modes | Automatic (moisture change rate threshold), Manual, Semi-Automatic |
| Interface | RS-232 Serial Port for Thermal Printer Output |
| Power Supply | 220 V ± 10%, 50/60 Hz |
| Dimensions (W×D×H) | 310 × 180 × 157 mm |
| Net Weight | 2.6 kg |
| Brand | Leici |
|---|---|
| Model | SFS-105J Halogen Moisture Analyzer |
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (China) |
| Price Range | USD 700 – 1,400 (FOB Shanghai) |
| Weighing Range | 0.2 g – 110 g |
| Readability (d) | 5 mg |
| Verification Scale Interval (e) | 10 mg |
| Moisture Readability | 0.02 % |
| Accuracy Class | Class II (per OIML R76) |
| Minimum Sample Mass | 1 g |
| Heating Source | Circular Halogen Lamp |
| Temperature Control Range | Ambient to 200 °C |
| Sample Pan Diameter | 90 mm |
| Real-time Display | Temperature, Elapsed Heating Time, Dynamic Moisture %, Dry Matter %, ATRO Dry Basis %, ATRO Wet Basis % |
| Drying Modes | Standard, Rapid, Gradual |
| Endpoint Detection | Automatic, Manual, Semi-Automatic |
| Communication Interface | RS-232 for Thermal Printer Output |
| Power Supply | 220 V ± 10 %, 50/60 Hz |
| Dimensions (W×D×H) | 330 × 200 × 200 mm |
| Net Weight | 5.8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJB-801 |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Ions | Pb²⁺, Cd²⁺, Cu²⁺, As³⁺, Hg²⁺, Zn²⁺, Se⁴⁺, Mn²⁺, Ni²⁺ |
| Display | 4.3-inch high-brightness color LCD |
| Data Storage | Up to 2000 measurement records |
| Compliance | GLP-compliant data management |
| Protection Rating | IP65 |
| Power Options | 4×AA Ni-MH rechargeable batteries |
| Communication | USB interface with REX data acquisition software |
| Data Export | SD card support |
| Method Library | Pre-loaded ASV methods for 9 heavy metal ions |
| Electrode System | Proprietary disposable or reusable screen-printed electrodes (SPE) or mercury-film electrodes |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | Pb, Cd, Cu, As, Hg, Zn, Se, Mn, Ni, Cr (10 ions) |
| Measurement Time | ≤3 min per ion |
| Accuracy | ±5% or ±5.0 µg/L (for Pb, Cd, Cu, As, Zn, Se, Mn, Ni ≤100 µg/L) |
| Resolution | 0.1 µg/L |
| Detection Limits | Pb, Cd, Cu, As ≤0.5 µg/L |
| Repeatability | RSD ≤3% |
| IP Rating | IP65 |
| Power Options | 4×AA Ni-MH rechargeable batteries, USB power supply, external mobile power bank, or automotive USB adapter |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | SJB-802 |
| Price Range | USD 14,000–28,000 |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | Dual- and Multi-parameter (Pb, Cd, Cu, As, Hg, Zn, Se, Mn, Ni, Cr) |
| Accuracy/Precision | ≤ ±5% or ±3.0 µg/L (for Hg) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJG-203A |
| Price Range | USD 1–4,999 |
| Resolution | 0.01 mg/L, 0.1%, 0.1°C |
| Measurement Range | (0.0–20.00) mg/L DO, (0.0–200.0)% saturation |
| Repeatability | ≤0.20 mg/L |
| Stability | ±0.20 mg/L / 24 h |
| Temperature Compensation Range | (−10.0–120.0)°C |
| Communication Interface | RS-232 |
| Dimensions & Weight | 160 × 160 × 110 mm, 1 kg |
| Basic Accuracy | ±0.5 mg/L (DO), ±10.0% (saturation), ±1.0°C (temperature) |
| Electronic Unit Accuracy | ±0.20 mg/L (DO), ±5.0% (saturation), ±0.3°C (temperature) |
| Salt Compensation Range | (0.0–50.0) g/L |
| Salt Compensation Error | ≤±3% |
| 90% Response Time | ≤45 s (at 20°C) |
| Enclosure Rating | IP65 |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SJG-205 |
| Price | USD 139,800 (FOB Shanghai) |
| Power Options | Shore-based AC, Rechargeable Battery Bank, or Solar Photovoltaic System |
| Communication | LTE-M / NB-IoT / 4G Cellular + Optional LoRaWAN Gateway Integration |
| Weight | ≤ 45 kg (fully configured) |
| Buoy Hull Material | UV-stabilized HDPE with Marine-grade Stainless Steel Mounting Frame |
| Sensor Interface | RS-485 Modbus RTU / SDI-12 / Analog 4–20 mA (configurable per probe) |
| Data Transmission Interval | Adjustable from 1 min to 24 h |
| GPS Accuracy | < 5 m CEP (with GLONASS/Galileo support) |
| Self-Cleaning Mechanism | Brush-based or Ultrasonic (sensor-specific) |
| Remote Calibration Support | Two-point (zero/span) via encrypted OTA command |
| Battery Runtime | Up to 180 days (typical, solar-assisted mode) |
| Compliance | IP68 Submersion Rating, CE EMC Directive 2014/30/EU, RoHS 2011/65/EU, ISO 17025 Traceability (calibration certificate optional) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | SJG-209 |
| Price | USD 1,380 (FOB Shanghai) |
| Resolution | 0.01 mg/L |
| Measurement Range | (0.0–20.0) mg/L |
| Repeatability | ≤ 0.20 mg/L |
| Stability | ±0.20 mg/L / 24 h |
| Temperature Compensation Range | (0.0–50.0) °C |
| Communication Interface | RS-485 |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2.5 kg |
| DO Saturation Range | (0.0–200.0) % |
| Temperature Range | (0.0–50.0) °C |
| DO Accuracy | ±0.30 mg/L |
| Saturation Accuracy | ±10.0 % |
| Temperature Accuracy | ±0.2 °C |
| Output Signal | Isolated 4–20 mA DC, max load 600 Ω |
| Alarm Outputs | 2 relay outputs (220 V AC, 2.5 A resistive) |
| Cleaning Control Output | 1 programmable relay output (220 V AC, 2.5 A) |
| Data Storage | 2000 records with timestamp |
| Enclosure Rating | IP65 |
| Power Consumption | 10 W |