Chemical Analysis Instruments
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Showing 2281–2310 of 4548 results
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ZDJ-4D |
| Instrument Category | General-Purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | mV: −2000.0 to +2000.0 mV |
| pH | −5.000 to 20.000 |
| Potentiometric Resolution | 0.01 mV |
| Titration Volume Resolution | 1/20000 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DDB-301 |
| Measurement Parameter | Electrical Conductivity Only |
| Portability | Handheld |
| Intended Use Environment | Laboratory & Field Deployment |
| Minimum Resolution | 1 pS/m |
| Display | LCD with High-Contrast Backlight |
| Power Supply | Two 476A 6 V Alkaline Batteries |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤85% RH |
| Dimensions | 85 × 220 × 50 mm |
| Weight | ~350 g |
| Explosion Protection | Ex ia IIA T5 Ga (Certified per GB 3836.1–2021 / IEC 60079-0:2017 and GB 3836.4–2021 / IEC 60079-11:2011) |
| Certified Explosion-Proof Certificate No. | GYB23.2384X |
| Included Accessories | DJSY-0.01 Fuel-Specific Conductivity Sensor, Silicone Protective Sleeve, Metallic Calibration Beaker |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic (China) |
| Model | DDB-303A |
| Price Range | USD 140–280 |
| Measured Parameter | Conductivity Only |
| Portability | Portable |
| Intended Use | Laboratory & Field |
| Conductivity Range | 0.00 μS/cm to 100 mS/cm |
| Accuracy | ±1.0% of Full Scale (FS) |
| Minimum Resolution | 0.01 μS/cm (auto-ranging) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | DDB-305A |
| Price Range | USD 280–420 |
| Measured Parameters | Conductivity, TDS, Temperature |
| Portability | Handheld |
| Intended Use | Laboratory & Field |
| Conductivity Range | 0.00 µS/cm to 200 mS/cm |
| TDS Range | 0.00 mg/L to 100 g/L |
| Temperature Range | −5.0 to 110.0 °C (23.0 to 230.0 °F) |
| Accuracy | ±1.0% of Full Scale (FS) |
| Minimum Resolution | 0.01 µS/cm (auto-ranging), 0.01 mg/L (TDS), 0.1 °C/°F (temperature) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic (China) |
| Model | DDBJ-350 |
| Price Range | USD 280–420 |
| Measured Parameters | Conductivity (single-parameter) |
| Portability | Portable |
| Intended Use | Laboratory & Field |
| Conductivity Range | 0.000 µS/cm to 500 mS/cm |
| TDS Range | 0.00 mg/L to 300 g/L |
| Resistivity Range | 5.00 Ω·cm to 20.00 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −5.0 to 110.0 °C (23.0–230.0 °F) |
| Accuracy | ±1.0 % FS (conductivity, TDS, resistivity), ±0.2 % FS (salinity), ±0.2 °C (temperature) |
| Minimum Resolution | 0.001 µS/cm (conductivity, auto-ranging) |
| Key | Brand: Leici |
|---|---|
| Model | DDBJ-350F |
| Type | Portable Conductivity Meter |
| Measurement Parameters | Conductivity, Resistivity, TDS, Salinity, Temperature |
| Conductivity Range | 0.000 µS/cm to 1000 mS/cm |
| TDS Range | 0.000 mg/L to 300 g/L |
| Resistivity Range | 5.00 Ω·cm to 20.00 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −5.0–110.0 °C (23.0–230.0 °F) |
| Accuracy | ±1.0 % FS (Conductivity/Resistivity/TDS), ±0.2 % FS (Salinity), ±0.2 °C (Temperature) |
| Resolution | 0.001 µS/cm (Conductivity), 0.01 Ω·cm (Resistivity), 0.001 mg/L (TDS), 0.01 % (Salinity), 0.1 °C/°F (Temperature) |
| Auto-Ranging Resolution Switching | Yes |
| Temperature Compensation | Automatic/manual, linear/pure-water/non-compensated modes |
| Calibration | 1–3 point, auto-recognition of 4 GB standard solutions |
| IP Rating | IP65 |
| Data Storage | 1000 datasets per parameter |
| Interface | USB, RS-232 |
| Power | Rechargeable Li-ion battery, AC adapter (100–240 V AC input / 5 V DC output) |
| Dimensions | 90 × 258 × 42 mm |
| Weight | 0.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | DDBJ-350F |
| Price Range | USD 420–690 |
| Measured Parameters | Conductivity, Resistivity, TDS, Salinity, Temperature |
| Portability | Handheld & Field-Deployable |
| Intended Use | Laboratory, Field Sampling, Quality Control |
| Conductivity Range | 0.000 µS/cm to 1000 mS/cm |
| TDS Range | 0.000 mg/L to 300 g/L |
| Resistivity Range | 5.00 Ω·cm to 20.00 MΩ·cm |
| Salinity Range | 0.00–8.00% |
| Temperature Range | −5.0 to 110.0 °C (23.0–230.0 °F) |
| Accuracy | ±1.0% FS (Conductivity/Resistivity/TDS), ±0.2% FS (Salinity), ±0.2 °C (Temperature) |
| Minimum Resolution | 0.001 µS/cm (Conductivity), 0.01 Ω·cm (Resistivity), 0.001 mg/L (TDS), 0.01% (Salinity), 0.1 °C/°F (Temperature) |
| IP Rating | IP65 |
| Electrode Compatibility | Auto-recognizing K=0.1, K=1.0, and K=0.01 conductivity cells |
| Calibration | 1–3 point, auto-identification of GB standard solutions (1413 µS/cm, 12.88 mS/cm, etc.) |
| Compensation Modes | Non-compensated, Linear (α=2.0%/°C), Pure Water (non-linear), Manual/ATC |
| Data Storage | 1000 datasets with timestamp, temperature, and electrode ID |
| Connectivity | USB-B port (PC/LIMS), RS-232 (printer), GLP-compliant audit trail |
| Power | Rechargeable Li-ion battery (≥100 h typical operation), USB-C charging support |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | DDBJ-351L |
| Detection Parameters | Multi-parameter (Conductivity, TDS, Resistivity, Salinity, Temperature) |
| Portability | Handheld / Field-Deployable |
| Intended Use | Laboratory, Field Sampling, and Quality Control Environments |
| Conductivity Range | 0.000 μS/cm to 3000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00% (w/w) |
| Temperature Range | −10.0 to 135.0 °C / 14.0 to 275.0 °F |
| Accuracy | ±0.5% of Full Scale |
| Minimum Resolution | 0.001 μS/cm (auto-ranging) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | DDBJ-351L |
| Detection Parameters | Conductivity, Resistivity, TDS, Salinity, Ash Content, Temperature |
| Portability | Portable |
| Intended Use | Laboratory & Field |
| Conductivity Range | 0.000 μS/cm to 3000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00% |
| Temperature Range | −10.0–135.0 °C / 14.0–275.0 °F |
| Accuracy | ±0.5% FS (Conductivity/Resistivity/TDS), ±0.1% FS (Salinity), ±0.1 °C (Temperature) |
| Minimum Resolution | 0.001 μS/cm (Conductivity), 0.01 Ω·cm (Resistivity), 0.001 mg/L (TDS), 0.01% (Salinity), 0.1 °C/°F (Temperature) |
| IP Rating | IP65 |
| Electrode Compensation | Automatic temperature compensation (ATC) with selectable reference temperatures (5.0, 10.0, 15.0, 18.0, 20.0, 25.0 °C) |
| Calibration | 1–5-point conductivity calibration |
| Data Storage | 1000 datasets per parameter group |
| Connectivity | USB, Bluetooth 5.0, U-disk support, barcode scanner interface |
| Power | Rechargeable Li-ion battery (DC5V input compatible with universal AC adapters) |
| Dimensions & Weight | 90 × 255 × 40 mm, 0.5 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | DDS-11A |
| Detection Parameter | Single-parameter (Conductivity) |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Measurement Range | 0.00 μS/cm to 100.0 mS/cm |
| Accuracy | ±1.5% of Full Scale (F.S.) |
| Minimum Resolution | 0.01 μS/cm (auto-ranging with scale-dependent resolution switching) |
| Temperature Compensation | Manual |
| Electrode Constant Input | Direct entry supported |
| Frequency Auto-switching | Yes (enables full-range coverage with K = 1.0 cell) |
| Display | High-contrast LCD with stability indicator |
| Protection Rating | IP54 |
| Power Supply | AC/DC adapter (Input: 100–240 VAC, Output: 20 VDC / 1500 mA) |
| Dimensions (L×W×H) | 200 × 160 × 63 mm |
| Weight | 0.6 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | DDS-307 |
| Price Range | USD 140–280 (FOB) |
| Measured Parameter | Conductivity Only |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.00 µS/cm to 200 mS/cm |
| Accuracy | ±1.0% of Full Scale (FS) |
| Minimum Resolution | 0.01 µS/cm (auto-ranging) |
| Conductivity Class | Class 1.0 per GB/T 11018–2022 |
| Temperature Compensation | Manual |
| Calibration | Single-point with auto-recognition of 4 standard GB solutions (e.g., KCl 0.01 mol/L, 0.1 mol/L, 1.0 mol/L, and 0.001 mol/L) |
| Electrode Constant Support | Auto-frequency switching optimized for 1.0 cm⁻¹ cell |
| IP Rating | IP54 |
| Data Storage | 50 measurement records with timestamp, recall, and deletion |
| Display | High-contrast LCD with backlight |
| Power Supply | AC/DC adapter (Input: 100–240 VAC, Output: 20 VDC / 1500 mA) |
| Dimensions (W×D×H) | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DDS-307A |
| Price Range | USD 280–420 (FOB) |
| Measurement Parameters | Conductivity, TDS, Temperature |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.00 µS/cm to 200.0 mS/cm |
| TDS Range | 0.00 mg/L to 100.0 g/L |
| Temperature Range | −5.0 °C to 110.0 °C |
| Accuracy | ±1.0% FS |
| Minimum Conductivity Resolution | 0.01 µS/cm (auto-ranging) |
| TDS Resolution | 0.01 mg/L (auto-ranging) |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Power Supply | AC 100–240 V input / DC 20 V, 1.5 A output |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| IP Rating | IP54 |
| Conductivity Class | Class 1.0 per GB/T 11018–2021 |
| Calibration | Single-point conductivity calibration with auto-recognition of four standard GB solutions (e.g., 1413 µS/cm, 12.88 mS/cm, etc.) |
| Measurement Modes | Auto-endpoint detection, continuous mode, equilibrium mode |
| Compensation | Automatic and manual temperature compensation (ATC/MTT) |
| Frequency Switching | Auto-frequency selection for optimal cell constant matching (1.0 cm⁻¹ electrode supported) |
| Data Storage | 50 measurement records with timestamp, parameter set, and temperature stamp |
| Compliance | Meets GB/T 11018–2021, JJG 376–2007, and general laboratory instrument requirements for GLP environments |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DDSJ-307F |
| Price Range | USD 420–690 |
| Measured Parameters | Conductivity, Resistivity, TDS, Salinity, Temperature |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.000 µS/cm to 1000 mS/cm |
| TDS Range | 0.00 mg/L to 300 g/L |
| Resistivity Range | 5.00 Ω·cm to 20.00 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −5.0 to 110.0 °C (23.0–230.0 °F) |
| Minimum Conductivity Resolution | 0.001 µS/cm (auto-ranging) |
| Key | Brand: Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDSJ-308F |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0.000 μS/cm to 1000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −10.0–135.0 °C (14.0–275.0 °F) |
| Accuracy | ±0.80 % of Full Scale |
| Minimum Resolution | 0.001 μS/cm (auto-ranging) |
| IP Rating | IP54 |
| Calibration | 1–3 point with auto-recognition of GB-standard KCl solutions |
| Compensation Modes | Non-compensated, Linear (α), Pure Water |
| Auto-Frequency Switching | Yes |
| Interfaces | RS-232, USB |
| Data Storage | 500 datasets per parameter type |
| GLP Compliance | Yes (audit trail, timestamp, operator ID support via software) |
| Key | Brand: Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Instrument Type | Benchtop Laboratory Conductivity Meter |
| Model | DDSJ-308F |
| Conductivity Range | 0.000 μS/cm to 1000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00% |
| Temperature Range | −10.0–135.0 °C |
| Accuracy | ±0.5% FS (Conductivity, Resistivity, TDS), ±0.1% FS (Salinity), ±0.1 °C (Temperature) |
| Resolution | 0.001 μS/cm (auto-ranging), 0.01 Ω·cm, 0.001 mg/L, 0.01%, 0.1 °C |
| Temperature Compensation | Automatic/manual, with selectable reference temperatures (20 °C or 25 °C) |
| Calibration | 1–3 point, auto-recognition of 4 GB-standard conductivity solutions |
| Data Storage | 500 datasets per parameter |
| Interface | RS-232 (for printer), USB (for PC connectivity) |
| Protection Rating | IP54 |
| Power Supply | AC 100–240 V input, DC 9 V output |
| Dimensions | 242 × 195 × 68 mm |
| Weight | 0.9 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDSJ-318T |
| Measurement Parameters | Conductivity, TDS, Resistivity, Salinity, Temperature |
| Form Factor | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0.000 μS/cm to 2000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | (0.00–8.00)% |
| Temperature Range | 0.00–100.00 °C |
| Accuracy | ±0.5% FS |
| Minimum Resolution | 0.001 μS/cm |
| Temperature Compensation Modes | None, Linear, Non-linear, Pure Water |
| Reference Temperatures | 5.0, 10.0, 15.0, 18.0, 20.0, 25.0 °C (default) |
| Electrode Constant Auto-Detection | Yes |
| Calibration Points | 1–5 points |
| IP Rating | IP54 |
| Data Storage Capacity | 1000 datasets |
| Compliance | GLP, GMP-supportive audit trail, FDA 21 CFR Part 11-ready data handling via optional software |
| Interfaces | RS-232, USB, U-disk support, barcode scanner compatibility, optional autosampler integration |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Origin Category | Domestic (China) |
| Model | DDSJ-318T |
| Detection Parameters | Single-Parameter (Conductivity, Resistivity, TDS, Salinity, Ash, Temperature) |
| Portability | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0.000 µS/cm to 2000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −10.0 to 135.0 °C |
| Accuracy | ±0.5 % FS (Conductivity/Resistivity/TDS), ±0.1 % FS (Salinity), ±0.1 °C (Temperature) |
| Minimum Resolution | 0.001 µS/cm (Conductivity), 0.01 Ω·cm (Resistivity), 0.001 mg/L (TDS), 0.01 % (Salinity), 0.1 °C (Temperature) |
| IP Rating | IP54 |
| Compliance | GLP, GMP (21 CFR Part 11-ready audit trail via software), ASTM D1125, ISO 7888, USP <645> |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DDSJ-319L |
| Price Range | USD 700–1,400 |
| Measured Parameters | Conductivity, Resistivity, TDS, Salinity, Temperature |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.000 µS/cm to 3000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −5.0 to 130.0 °C |
| Accuracy | ±0.5 % of Full Scale (FS) for conductivity/resistivity/TDS |
| Minimum Resolution | 0.001 µS/cm (conductivity), 0.01 Ω·cm (resistivity), 0.001 mg/L (TDS), 0.01 % (salinity), 0.1 °C (temperature) |
| Compliance | GLP-compliant data management, supports ASTM D1125, ISO 7888, USP <645>, and China GB/T 6682 & GB/T 11025 standards |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop Laboratory Conductivity Meter |
| Measurement Parameters | Conductivity, TDS, Resistivity, Salinity, Temperature |
| Conductivity Range | 0.000 µS/cm to 3000 mS/cm |
| TDS Range | 0.000 mg/L to 1000 g/L |
| Resistivity Range | 5.00 Ω·cm to 100.0 MΩ·cm |
| Salinity Range | 0.00–8.00% (w/w) |
| Temperature Range | −5.0 to 130.0 °C |
| Accuracy | ±0.5% of full scale (FS) |
| Minimum Resolution | 0.001 µS/cm |
| Calibration | Up to 5-point conductivity calibration with auto-recognition of GB-standard reference solutions (4 preloaded) |
| Compensation Modes | Automatic temperature compensation (ATC), pure water conductivity correction, seawater salinity compensation |
| Connectivity | RS232/USB interface for PC and USB flash drive |
| Data Management | 1000 stored measurement records per parameter type |
| Software Compatibility | Leici LabSuite™ PC software (optional) for data export, statistical analysis, report generation, and 21 CFR Part 11–compliant electronic signatures |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DJS-0.1VTG |
| Conductivity Range | (2–20,000) µS/cm |
| Temperature Range | (0–80) °C |
| Accuracy | ±1.0% FS |
| Minimum Resolution | 0.01 µS/cm |
| Cell Constant | 0.1 cm⁻¹ |
| Probe Material | Borosilicate Glass |
| Connector | 5-pin Aviation Plug |
| Dimensions | Φ12 × 120 mm |
| Application | Lab-based Low-Conductivity Aqueous Solutions |
| Calibration Compatibility | 84 µS/cm and 146.5 µS/cm Standard Solutions |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Origin | Domestic (China) |
| Model | EC-30 |
| Detection Parameters | Multi-Parameter (Conductivity, TDS, Salinity, Resistivity, Temperature) |
| Portability | Pen-Style |
| Intended Use | Laboratory & Field Applications |
| Conductivity Range | 0 μS/cm to 200.0 mS/cm (4 auto-ranging segments) |
| TDS Range | 0–50 ppt |
| Resistivity Range | 10 Ω·cm–99.99 kΩ·cm and 0.1 MΩ·cm–20 MΩ·cm |
| Salinity Range | 0–50 ppt |
| Temperature Range | (0.0–60.0) °C |
| Accuracy | ≤0.5% FS (full scale) |
| Minimum Resolution | 0.1 μS/cm |
| IP Rating | IP67 |
| Power Supply | 4 × AAA batteries (>200 h typical life) |
| Dimensions | 40 × 30 × 188 mm |
| Weight | ~0.15 kg |
| Display | High-contrast LCD with backlight |
| Auto-Temperature Compensation | 0.0–60.0 °C (default reference: 25 °C) |
| Calibration | 1–3 point, auto-identification of GB/US conductivity standards |
| TDS Conversion Factor | Adjustable (0.40–1.00) |
| Temperature Accuracy | ±0.3 °C |
| Temperature Resolution | 0.1 °C |
| Electrode Design | Replaceable sensor tip |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | Leici KDN-1 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Automation Level | Fully Automated |
| Nitrogen Determination Range | 0.1 mg – 240 mg N |
| Steam Distillation Time | Programmable up to 60 min |
| Sample Weight Capacity | ≤6 g (solid), ≤16 mL (liquid) |
| Nitrogen Recovery Rate | ≥99.5% |
| Power Consumption | 1.3 kW |
| Dimensions (L×W×H) | 400 mm × 385 mm × 735 mm |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | KLS-411 |
| Pricing Range | USD 570 – 2,850 (based on current exchange rate ~¥4000–¥20,000) |
| Titration Mode | Fully Automated Coulometric Titration |
| Instrument Type | Coulometric Karl Fischer Moisture Analyzer |
| Moisture Measurement Range | 10 µg to 20 mg |
| Measurement Accuracy | ≤ ±3% RSD |
| Electrolysis Current Settings | 10 mA, 20 mA, 50 mA, 100 mA |
| Polarization Current Error | ±0.2 µA |
| Electrolysis Current Basic Error | ±0.5% of reading |
| Indication Error | ±(5% of calibration point + 3) µg |
| Repeatability | ≤3% RSD |
| Power Supply | (220 ± 22) V AC, (50 ± 1) Hz |
| Dimensions (L×W×H) | 300 × 235 × 100 mm |
| Net Weight | 3 kg |
| Interface | RS-232 serial port for printer connectivity |
| Electrode Configuration | Membrane-type dual-platinum electrode |
| Reagent Compatibility | Leici low-toxicity, low-odor, reusable KF reagent (coulometric anolyte/catholyte system) |
| Reagent Standardization | Not required (pre-calibrated reagent system) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | ORP-30 |
| Instrument Type | Laboratory-Grade Portable ORP Meter |
| ORP Measurement Range | −1000 to +1000 mV |
| Resolution | 1 mV |
| Accuracy | ±15 mV |
| Repeatability | ≤3 mV |
| Calibration | Single-point with auto-recognition of 222 mV standard buffer |
| Temperature Range | 0.0–60.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Automatic Temperature Compensation (ATC) | 0.0–60.0 °C |
| Enclosure Rating | IP67 |
| Housing Material | ABS |
| Power Supply | 4 × AAA batteries |
| Battery Life | >200 h |
| Dimensions (L×W×H) | 188 × 40 × 30 mm |
| Weight | ~0.15 kg |
| Brand | Leici |
|---|---|
| Model | PH-30 |
| Type | Pen-Style pH Meter |
| Measurement Range | (-2.00 to 16.00) pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.02 pH |
| Repeatability | ≤0.01 pH |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| Temperature Range | (0.0 to 60.0) °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.3 °C |
| ATC Range | (0.0 to 60.0) °C |
| Calibration Points | 1–3 point (auto-recognized GB & US buffers) |
| IP Rating | IP67 |
| Power | 4 × AAA batteries |
| Battery Life | >200 h |
| Dimensions | 40 × 30 × 188 mm |
| Weight | ~0.15 kg |
| Housing Material | ABS |
| Electrode Options | Spherical, Flat-Surface, or Conical pH Sensing Tips |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | PH-30P |
| Instrument Type | Pen-Style pH Meter |
| Parameter Types | pH, mV, Temperature |
| pH Measurement Range | (-2.00 to 16.00) pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| pH Repeatability | ≤0.01 pH |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| Temperature Range | (0.0 to 60.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Automatic Temperature Compensation (ATC) | 0.0–60.0 °C |
| Calibration Points | 1–3 point with auto-buffer recognition (GB and US standard buffers) |
| IP Rating | IP67 |
| Housing Material | ABS |
| Power Supply | 4 × AAA batteries |
| Battery Life | >200 hours |
| Dimensions (L×W×H) | 188 × 40 × 30 mm |
| Weight | ~0.15 kg |
| Display | High-contrast LCD with backlight |
| Data Lock | Auto-lock (5–20 s adjustable) and manual hold |
| Auto-power-off | Configurable timer |
| Additional Functions | Factory reset, backlight adjustment, unit toggle (°C/°F) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | PH-30Z |
| Instrument Type | Pen-Style pH Meter |
| Parameter Types | Multi-Parameter (pH, mV, Temperature) |
| pH Measurement Range | (-2.00 to 16.00) pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| pH Repeatability | ≤0.01 pH |
| mV Range | -1000 to +1000 mV |
| mV Resolution | 1 mV |
| Temperature Range | (0.0 to 60.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Automatic Temperature Compensation (ATC) | 0.0–60.0 °C |
| Calibration Points | 1–3 point with auto-buffer recognition (GB and US standard buffers) |
| Display | High-contrast LCD with backlight |
| IP Rating | IP67 |
| Electrode Options | Replaceable spherical, flat-surface, or conical pH sensing tips |
| Power | 4 × AAA batteries (>200 h battery life) |
| Dimensions | 40 × 30 × 188 mm |
| Weight | ~0.15 kg |
| Housing Material | ABS polymer |
| Included Accessories | Wrist strap, portable carrying case, calibration vials, pre-filled GB/US buffer solutions (pH 4.01, 7.00, 10.01), and batteries |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | PHB-4 |
| Instrument Type | Portable |
| Parameter Types | Dual-parameter (pH/mV) |
| pH Accuracy | ±0.03 pH |
| pH Range | (0.00–14.00) pH |
| Resolution | 0.01 pH |
| mV Range | (−1400–+1400) mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.2% FS |
| Temperature Compensation | Manual |
| Calibration Solutions | GB Standard Buffers at pH 4.00, 6.86, and 9.18 |
| Calibration Points | 1–2 point |
| IP Rating | IP65 |
| Power Supply | Rechargeable Li-ion battery |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | PHB-5 |
| Instrument Type | Portable |
| Parameter Types | Multi-parameter |
| pH Accuracy | ±0.01 pH |
| pH Range | −2.00 to 18.00 pH |
| pH Resolution | 0.01 pH |
| mV Range | −1999 to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ±0.1% FS |
| Temperature Range | −5.0 to 110.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.2 °C |
| Calibration Buffers | GB Standard pH 4.00, 6.86, and 9.18 |
| Power Supply | Rechargeable Li-ion battery |
| AC/DC adapter (Input | AC 100–240 V, Output: DC 5 V) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Model | PHB-5 |
| Instrument Type | Portable |
| Parameter Type | Single-parameter (pH only) |
| Measurement Accuracy | ±0.01 pH |
| Measurement Range | −2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Calibration Solutions | GB Standard Buffers at pH 4.00, 6.86, and 9.18 |
| Auto-Detection | Yes (for standard buffer recognition) |
| Temperature Compensation | Automatic and Manual Modes |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |