Electrochemical Instruments
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| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | InP Crystal Substrate |
| Pricing | Available Upon Request |
| Crystal Structure | Single-Crystal Indium Phosphide |
| Doping | Undoped / Sn / S / Fe / Zn |
| Conductivity Type | N-type (Sn, S, Fe) / Semi-Insulating (Fe, Zn) / P-type (Zn) |
| Hardness | 3.0 Mohs |
| Density | 4.78 g/cm³ |
| Refractive Index | 3.45 (at 10.6 µm) |
| Carrier Concentration | 1–2×10¹⁶ cm⁻³ (undoped), 1–3×10¹⁸ cm⁻³ (Sn-doped), 1–4×10¹⁸ cm⁻³ (S-doped), 6–4×10¹⁸ cm⁻³ (Fe-doped) |
| Dislocation Density | <5×10⁴ cm⁻² |
| Growth Method | Liquid Encapsulated Czochralski (LEC) |
| Melting Point | 1072 °C |
| Elastic Modulus | 7.1×10¹¹ dyn·cm⁻² |
| Standard Orientations | <100> |
| Standard Dimensions | 10 mm × 10 mm × 0.5 mm |
| Surface Finish | Single-Side or Double-Side Polished |
| Surface Roughness (Ra) | <15 Å |
| Cleanroom Handling | Packaged in Class 100 cleanroom bags within Class 1000 cleanroom environment |
| Brand | -- |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | JP-2D |
| Price | Upon Request |
| Brand | KB |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | EP-06 |
| Output Voltage Range | 0–100 V (digital display, presettable) |
| Output Current Range | 0–6 A (digital display, presettable, with overload protection) |
| Timing Control | 1 s – 99 min 59 s (digital, audible alert at end) |
| Standard Electrolyte Compatibility | Oxalic acid, nitric acid–water mixtures, fluoroboric acid |
| Brand | KB |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | KEP-5000 |
| Output Voltage | 0–100 V DC (adjustable) |
| Output Current | 0–6 A DC (adjustable) |
| Voltage Resolution | 0.01 V |
| Current Resolution | 0.001 A |
| Temperature Control Range | Ambient to 100 °C ±1 °C |
| Stirring | Integrated magnetic stirrer |
| Cooling | External water-cooled coil |
| Sample Area Control | Aperture diameters 15 mm / 20 mm / 30 mm |
| Data Interface | RS485 (optional), USB storage export |
| Power Supply | AC 220 V, 50 Hz |
| Total Power | 900 W |
| Dimensions (Power Unit) | 292 × 380 × 120 mm |
| Dimensions (Stirrer Unit) | 240 × 190 × 130 mm |
| Weight | 15 kg |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-3 Microcoulometric Halogen Analyzer |
| Detection Principle | Microcoulometric Titration after High-Temperature Combustion (900–1100 °C) |
| Applicable Standards | GB/T 34845–2017, GB/T 22904–2008, GB/T 35613–2017, GB/T 39084–2020, GB/T 35611–2017, GB/T 41533–2022 |
| Detection Target | Adsorbable Organic Halogens (AOX), expressed as Cl⁻ |
| Detection Limit | 2 mg/kg |
| Quantification Range | 0.5–5 mg/kg (Cl) |
| Precision | ±1 µg Cl |
| Repeatability | ≤10% RSD at ≤2 mg/L sample concentration |
| Combustion Temperature Control | 500–1100 °C, ±1 °C accuracy |
| Generator Current Range | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Adjustment | 0–500 mV, continuously adjustable |
| Sample Introduction | 50 mg ±5 mg activated carbon cartridge |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Interface | RS-232 (DB9) |
| Software Platform | Windows-based proprietary AOX analysis suite with real-time parameter monitoring, data logging, audit trail, and report generation (PDF/CSV export) |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-S |
| Compliance Standard | HJ 1214–2021 (PRC National Ecological and Environmental Standard) |
| Generator Current Range | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Adjustment Range | 0–500 mV (continuously adjustable) |
| Detection Limit | 0.007 µg/L (at 100 mL sample volume) |
| Measurement Range (as Cl) | 0.02–2 mg/kg |
| Accuracy | ±1 µg Cl |
| Repeatability | ≤10% RSD (for samples ≤2 mg/L) |
| Activated Carbon Dosage | 50 mg ±5 mg |
| Combustion Temperature Control Range | 500–1100 °C |
| Stability | ±1 °C |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-S |
| Detection Principle | Microcoulometric Titration after High-Temperature Combustion |
| Compliance | HJ 1214–2021 (China National Standard) |
| Maximum Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Detection Limit | 0.007 µg/L (at 100 mL sample volume) |
| Optimal Measurement Range (as Cl) | 0.02–2 mg/kg |
| Precision | ≤10% RSD (for samples ≤2 mg/L) |
| Activated Carbon Loading | 50 mg ±5 mg |
| Combustion Temperature Range | 500–1100 °C (±1 °C accuracy) |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Brand | LANTIAN |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | AOX-WK-S |
| Compliance Standard | HJ 1214–2021 |
| Detection Principle | Microcoulometric Titration |
| Max Generator Current | ±2 mA |
| Amplifier Output Voltage | ±30 V |
| Bias Voltage Range | 0–500 mV (continuously adjustable) |
| Detection Limit | 0.007 mg/L (at 100 mL sample volume) |
| Optimal Measurement Range (as Cl) | 0.02–2 mg/kg |
| Accuracy | ≤10% relative deviation (at 1 µg Cl) |
| Repeatability | ≤10% RSD (for samples ≤2 mg/L) |
| Activated Carbon Dosage | 50 mg ±5 mg |
| Combustion Temperature Range | 500–1100 °C (±1 °C control accuracy) |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | 3000 W |
| Brand | TELTEC / Teltec Semiconductor Pacific Limited |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | Laser Decap |
| Pricing | Available Upon Request |
| Brand | Lasertec |
|---|---|
| Origin | Japan |
| Model | GT-200 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Specialized (e.g., Acid Number Determination in Gasoline) |
| Display | 5.7-inch Color LCD |
| Connectivity | USB, RS-232 (COM), GLP-compliant Data Logging |
| Software | Titration Viewer TV-200 |
| Automation Capacity | Up to 12 burettes + 24-position autosampler |
| Endpoint Detection | Smart End Point Detection (S.E.D.) Algorithm |
| Compliance | GLP Support (Calibration Traceability, User Access Levels, Audit Trail) |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop Conductivity Meter |
| Measurement Principle | Two-electrode AC conductivity measurement with frequency auto-switching |
| Conductivity Range | 0.000 µS/cm to 200.0 mS/cm |
| TDS Range | 0.000 mg/L to 100.0 g/L |
| Temperature Range | −5.0 °C to 110.0 °C |
| Display | 6-inch high-resolution LCD |
| Protection Rating | IP54 |
| Calibration | Single-point calibration with auto-recognition of four standard solutions (146.5 µS/cm, 1408 µS/cm, 12.85 mS/cm, 111.3 mS/cm) |
| Temperature Compensation | Automatic and manual modes |
| Data Storage | 50 measurement sets with recall and deletion |
| Compliance | JB/T 9366–2017, GB/T 11007–2008, JJG 376–2007, HJ 1396–2024 |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | KDN-1 |
| Pricing | Upon Request |
| Display | 4.3-inch high-resolution color LCD |
| Operation Mode | Dual automatic/manual |
| Alkali Reagent Delivery | Automated quantitative dosing |
| Boric Acid Solution Delivery | Automated quantitative dosing |
| Diluent Addition | Manual or automatic selection |
| Distillation Time Setting | Programmable up to 60 min |
| Distillation Speed | 3–6 min per sample |
| Nitrogen Measurement Range | 0.1–240 mg |
| Nitrogen Recovery Rate | ≥99.5% |
| Sample Capacity | ≤6 g (solid) or ≤16 mL (liquid) |
| Condensate Water Consumption | 1.5 L/min |
| Heating Tube Temperature Monitoring | Real-time |
| Rinse Control System | Automated post-distillation tubing rinse |
| Safety Features | Digestion tube presence detection, emergency stop, fault self-diagnosis with audible/visual alarm |
| Cooling Water Flow Sensing | Integrated flow sensor |
| Power Supply | 220 VAC ±10%, 50 Hz |
| Rated Power | 1.3 kW |
| Dimensions (W×D×H) | 400 × 385 × 735 mm |
| Net Weight | 30 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Dual-parameter (pH + temperature) |
| Measurement Range | −2.00 to 18.00 pH |
| Resolution | 0.01 pH |
| Accuracy | ±0.01 pH |
| Calibration Points | 1–3 point automatic calibration |
| Buffer Recognition | Auto-identifies five standard GB buffers (1.68, 4.00, 6.86, 9.18, 12.46 pH) and supports custom buffer entry |
| Temperature Compensation | Automatic and manual modes |
| Data Storage | 50 measurement sets with recall and deletion |
| Display | 6-inch HD LCD |
| Protection Rating | IP54 |
| Compliance | GB/T 11165–2005, JJG 119–2018, HJ 1396–2024 |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | ZDCL-1 |
| Instrument Category | General-Purpose Potentiometric Titrator |
| Application Scope | Dedicated for Chloride Ion Analysis |
| Measurement Range | (−1800.0 to +1800.0) mV |
| Meter Accuracy | ±0.20% of full scale |
| Meter Resolution | 0.1 mV |
| Titration Accuracy | (±0.3 mV ±1 digit) over 3 h |
| Titration Resolution | 1/10000 |
| Titration Repeatability | 0.20% |
| Burette Error | ±0.025 mL (10 mL burette), ±0.035 mL (20 mL burette) |
| Electronic Unit Basic Error | ±0.05% FS |
| Stability | ±0.3 mV / 3 h |
| Operating Environment | 0–40 °C, ≤85% RH |
| Dimensions & Weight | 340 × 400 × 400 mm, ~10 kg |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| 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 |