Leici
Filter
Showing 241–270 of 345 results
| 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 |
| Model | SJB-801 |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | Pb, Cd, Cu, As, Hg, Zn, Se, Mn, Ni (9 elements) |
| Analysis Time | ≤3 min per sample |
| Accuracy | ±5% (or ±5.0 µg/L for elements ≤100 µg/L |
| Resolution | 0.1 µg/L |
| Detection Limits | Pb/Cd/Cu/As ≤0.5 µg/L |
| Repeatability | RSD ≤3% |
| Data Storage Capacity | 2000 measurement records |
| IP Rating | IP65 |
| Power Options | 4×AA Ni-MH rechargeable batteries, USB power supply (5 V), external mobile power bank, or AC adapter (compatible with standard smartphone chargers) |
| Compliance | GLP-compliant data management, ASTM D3559, ISO 8692, USP <232>/<233>, and EPA Method 7000B (ASV adaptation) |
| 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 |
| Model | SJB-802 |
| Instrument Type | Portable |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Detectable Metals | Pb, Cd, Cu, As, Hg, Zn, Se, Mn, Ni, Cr (dual/multi-parameter) |
| Accuracy | ≤ ±5% or ±3.0 µg/L (for Hg) |
| Detection Limit | Pb, Cd, As, Cu ≤ 0.5 µg/L |
| Electrode Systems | Triple-electrode configuration & disposable screen-printed electrodes (SPEs) |
| Measurement Time | <5 minutes per analysis |
| Data Storage | Up to 2000 records with GLP-compliant audit trail |
| Environmental Rating | IP65 |
| Power Supply | Rechargeable Ni-MH batteries (4×AA), USB power, AC adapter, or portable power bank |
| Compliance | Designed for field-deployable water quality testing in accordance with EPA Method 7000B, ISO 11929, and ASTM D3559/D5673 principles |
| 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 |
| Model | SJG-203A |
| Instrument Type | Online |
| Measurement Range | (0.0–20.00) mg/L DO, (0.0–200.0)% saturation |
| Repeatability | ≤0.20 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (saturation), 0.1°C (temperature) |
| Basic Error | ±0.5 mg/L (DO), ±10.0% (saturation), ±1.0°C (temperature) |
| Stability | (±0.30 mg/L)/24 h |
| Response Time (90%) | ≤45 s at 20°C |
| Temperature Range | −10.0–120.0°C |
| Salinity Compensation Range | (0.0–50.0) g/L |
| Salinity Compensation Error | ≤±3% |
| Output | (4–20) mA DC isolated, RS-232 digital interface |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Enclosure Rating | IP65 |
| Dimensions & Weight | 160 × 160 × 110 mm, 1 kg |
| Data Storage | 200 groups with configurable logging interval |
| 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 | Authorized Distributor |
| Country of Origin | China |
| Model | SJG-205 |
| Pricing | Available Upon Request |
| 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 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-209 |
| Instrument Type | Online |
| Measurement Range | (0.0–20.0) mg/L DO |
| Repeatability | ≤ 0.20 mg/L |
| Resolution | 0.01 mg/L (DO), 0.1% (saturation), 0.1°C (temperature) |
| Basic Accuracy | ±0.30 mg/L (DO), ±10.0% (saturation), ±0.2°C (temperature) |
| Stability | ±0.20 mg/L / 24 h |
| Output | Isolated 4–20 mA DC (max. load 600 Ω), RS-485 digital interface |
| Alarm & Control | Dual limit relays (220 V AC, 2.5 A), one programmable cleaning relay |
| Data Storage | 2000 records with timestamp |
| Enclosure Rating | IP65 |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | SJG-702 |
| Price | USD 14,000 (FOB Shanghai) |
| Measurement Principles | pH & Conductivity & TDS — Electrode-based |
| Calibration | Built-in Standard Curves + Manual Calibration Support |
| Compliance | CE, RoHS |
| Sensor Types | PH-2-173 (pH), DJS-2-141 (Conductivity), TGF-2-005 (Turbidity), DCS4.2MA2/DCS4MA5 (Free Chlorine), DCP4.0MA2/DCP4.0MA5 (Total Chlorine), DCD4.2MA2/DCD4.2MA5 (Chlorine Dioxide) |
| Display | Color TFT Touchscreen |
| Power Supply | AC 220 V ±10%, 50 Hz (Optional Solar DC Input) |
| Communication | RS-232 / RS-485 Serial Interface, Optional Wireless GPRS/4G Module |
| Operating Environment | 0–40 °C, ≤90% RH |
| Dimensions (W×D×H) | 730 × 520 × 330 mm |
| Weight | 20 kg |
| Auto-cleaning | Integrated Brush + Bubble-removal Cell + Drain Control for Turbidity Sensor |
| Measurement Modes | Continuous, Intermittent Cycle, Timed, and Manual |
| Alarm | Programmable Upper/Lower Limits with Relay Output |
| Data Logging | Internal Storage + Remote Upload to Central SCADA or Cloud Platform |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-702 |
| Measurement Principles | pH & conductivity & TDS (electrode method), turbidity (90° light scattering), free/total chlorine & chlorine dioxide (amperometric membrane electrode) |
| Measurement Ranges | pH 0.00–14.00 (±0.05 pH) |
| Compliance | CE, RoHS |
| Power Supply | AC 220 V ±10%, 50 Hz (solar option available) |
| Dimensions | 730 × 520 × 330 mm |
| Weight | 20 kg |
| Communication | RS-232 / RS-485 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJG-705 |
| Price Range | USD 7,000 – 14,000 |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Communication Interfaces | RS-232 OR RS-485 OR Ethernet (user-selectable) |
| Measurement Modes | Continuous & programmable interval logging |
| Data Storage | Internal non-volatile memory supporting >100,000 records |
| Optional | Automated cleaning module for sensors and flow cell |
| Parameters Supported | pH, ORP, Conductivity/TDS, Dissolved Oxygen (DO), Turbidity (NTU), Temperature |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-705 |
| Instrument Type | Online |
| pH Range | 0.00–14.00 (Res: 0.01, Acc: ±0.05 pH ±1 digit) |
| ORP Range | ±1999 mV (Res: 1 mV, Acc: ±10 mV ±1 digit) |
| Conductivity | 0.000 µS/cm–19.9 mS/cm (Res: 0.1/1 µS/cm, 0.01 mS/cm |
| Acc | ±2.0% FS) |
| TDS | 0.000 mg/L–9.9 g/L (Res: 0.1 mg/L, 0.01 g/L) |
| Turbidity | 0.00–500.0 NTU (Res: 0.01 NTU, Acc: ±10%) |
| Dissolved Oxygen | 0.00–20.00 mg/L / 0.0–200.0% sat (Res: 0.01 mg/L, 0.1% |
| Acc | ±0.50 mg/L & ±10% sat) |
| Temperature | −10.0–120.0 °C (Res: 0.1 °C, Acc: ±0.5 °C ±1 digit @ 0–60 °C) |
| Communication | RS-232 / RS-485 / Ethernet (selectable) |
| Power | AC 220 V ±10%, 50 Hz |
| Dimensions | 560 × 400 × 1680 mm |
| Weight | 50 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-705B |
| Instrument Type | Online Monitor |
| Temperature Range | (−10.0 to 120.0) °C |
| pH Range | (0.00 to 14.00) pH |
| Dissolved Oxygen (DO) | Concentration (0.00–20.00) mg/L |
| Conductivity Ranges | 0.000 µS/cm–0.199 µS/cm |
| Turbidity Range | (0.00–1000.0) NTU |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | SJG-705B |
| Instrument Type | Online Monitor |
| Temperature Range | (−10.0 to 120.0) °C |
| pH Range | (0.00 to 14.00) pH |
| Dissolved Oxygen (DO) | Concentration (0.00–20.00) mg/L |
| Conductivity Ranges | 0.000–0.199 μS/cm |
| Turbidity Range | (0.00–1000.0) NTU |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJG-750 |
| Pricing | Available Upon Request |
| pH Range | 0–14 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.05 pH ±1 digit |
| Conductivity Range | 0–200.0 mS/cm |
| Conductivity Accuracy | ±1.5% FS |
| Dissolved Oxygen Range | 0.00–20.00 mg/L |
| DO Resolution | 0.01 mg/L |
| DO Electronic Error | ±0.2 mg/L |
| Turbidity Range | 0–1000 NTU |
| Turbidity Resolution | 0.1 NTU |
| Turbidity Linearity Error | ±5% |
| Temperature Range | 0.0–60.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C ±1 digit |
| Power Supply | AC 220 V ±10%, 50 Hz ±2% |
| Dimensions (L×W×H) | 285 × 205 × 97 mm |
| Weight | 3 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SJG-781 |
| Instrument Type | Online Analytical System |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Target Metals | Pb, Cd, Cu (dual- or multi-parameter configuration) |
| Accuracy | ±10% or ±5 µg/L (at concentrations ≤50 µg/L) |
| Resolution | 0.01 µg/L |
| Detection Limit | 1 µg/L |
| Measurement Range | 0–100 µg/L and 100–1000 µg/L per metal (extendable to 10 mg/L) |
| Repeatability | ≤5% RSD |
| Zero Drift | ±5 µg/L/24 h |
| Span Drift | ±5%/24 h |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 400 × 550 × 168 mm |
| Weight | 50 kg |
| Brand | Leici |
|---|---|
| Model | SJG-781 |
| Origin | Shanghai, China |
| Instrument Type | Online Analyzer |
| Detection Principle | Anodic Stripping Voltammetry (ASV) |
| Target Metals | Pb, Cd, Cu (dual/multi-parameter) |
| Accuracy | ±10% or ±5 µg/L (at ≤50 µg/L) |
| Resolution | 0.01 µg/L |
| Detection Limit | 1 µg/L |
| Measurement Range | 0–100 µg/L and 100–1000 µg/L per metal (expandable to 10 mg/L) |
| Repeatability | 5% |
| Zero Drift | ±5 µg/L/24 h |
| Span Drift | ±5%/24 h |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 400 × 550 × 168 mm |
| Weight | 50 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | SJG-782 |
| Instrument Type | Online Analyzer |
| Detection Principle | Spectrophotometry (DPC Method) |
| Target Analyte | Hexavalent Chromium (Cr(VI)) |
| Accuracy | ±10% |
| Resolution | 0.001 mg/L |
| Measurement Range | 0.00–5.00 mg/L |
| Repeatability | ≤5% |
| Stability | ≤10% / 4 h |
| Zero Drift | ±5% FS / 24 h |
| Span Drift | ±5% FS |
| LOD | 0.01 mg/L |
| MTBF | ≥720 h |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 400 × 550 × 1680 mm |
| Weight | 50 kg |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Calibration Modes | Manual / Cyclic / Timed / Continuous |
| Measurement Modes | Manual / Cyclic / Timed / Continuous |
| Communication Interface | RS-232 or RS-485 (user-selectable) |
| Data Storage | Internal non-volatile memory with timestamped logging |
| Alarm Output | Configurable high/low concentration thresholds |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | SJG-782 |
| Quotation | ¥78,000 CNY |
| Instrument Type | Online Analyzer |
| Detection Principle | Spectrophotometry (Diphenylcarbazide Method) |
| Target Analyte | Hexavalent Chromium (Cr(VI)) |
| Accuracy | ±10% of full scale |
| Resolution | 0.001 mg/L |
| Measurement Range | 0.00–5.00 mg/L |
| Repeatability | ≤5% RSD |
| Stability | ≤10% FS/4 h |
| Zero Drift | ±5% FS/24 h |
| Span Drift | ±5% FS |
| LOD | 0.01 mg/L |
| MTBF | ≥720 h |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% |
| Dimensions (W×D×H) | 400 × 550 × 1680 mm |
| Weight | 50 kg |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Calibration Modes | Manual / Cyclic / Timed / Continuous |
| Measurement Modes | Manual / Cyclic / Timed / Continuous |
| Communication Interfaces | RS-232 or RS-485 (user-selectable) |
| Data Storage | Internal non-volatile memory with timestamped logging |
| Alarm Output | Dual-level (high/low) concentration threshold relay output |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SJG-791 |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor |
| Measured Parameter | Free Residual Chlorine |
| Range | 0.00–20.00 mg/L |
| Accuracy | ±10% (≥0.5 mg/L) or ±0.05 mg/L (<0.5 mg/L) |
| Resolution | 0.01 mg/L (Cl₂), 0.01 pH, 0.1 °C |
| pH Range | 0.00–14.00 pH |
| Temperature Range | 0.0–60.0 °C |
| pH Accuracy | ±0.05 pH |
| Temp Accuracy | ±0.5 °C |
| Electronic Unit Stability | ±1% FS/24 h |
| 90% Response Time | 2 min |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2 kg |
| Output | Dual isolated 4–20 mA DC outputs (configurable for Cl₂ or pH) |
| Data Storage | 2000 measurement records |
| Auto Compensation | pH and temperature compensation for residual chlorine |
| Alarm Function | Configurable high/low limits with hysteresis |
| Power Failure Protection | Yes |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | SJG-791B |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor Method |
| Measured Parameters | Residual Chlorine / Total Chlorine / Chlorine Dioxide / Ozone (selectable single parameter) |
| Measurement Range | 0.005–2.000 mg/L (standard range) |
| Accuracy | ±1% FS (for residual chlorine with DCS4H-M0c electrode) |
| Resolution | 0.001 mg/L |
| Output Signal | Isolated 4–20 mA DC (max. load 600 Ω) |
| Digital Interface | RS-485 |
| Temperature Compensation | Automatic (5–40 °C sample range) |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Installation | Wall-mounted console with flow-through sensor housing |
| Sensor Cable Length | 5 m (standard) |
| Sample Flow Rate | 0.3–0.5 L/min |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | SJG-791B |
| Instrument Type | Online Analyzer |
| Measurement Principle | Electrochemical Amperometric Sensor Method |
| Measurable Parameters | Residual Chlorine / Total Chlorine / Chlorine Dioxide / Ozone (user-selectable single parameter) |
| Measurement Range | 0.005–2.000 mg/L (standard range) |
| Accuracy | ±1% FS (for residual chlorine with DCS4H-M0c electrode) |
| Resolution | 0.001 mg/L |
| Temperature Compensation | Automatic (5–40 °C sample range) |
| Output | Isolated 4–20 mA (600 Ω max load), RS-485 Modbus RTU |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Installation | Wall-mounted analyzer + flow-through sensor |