Electrochemical Instruments
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| 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 | LANYO |
|---|---|
| Model | SOMA Series |
| Standard Compliance | NY/T 1121.6–2006, NY/T 85–1988, LY/T 1237–1999, GB/T 33469–2016 Annex C |
| Heating Stations | 3 independent micro-boiling reflux positions with PID temperature control |
| Reagent Dispensing Accuracy | ≤0.3% (v/v) |
| Titration Endpoint Detection | Biomimetic colorimetric endpoint recognition |
| Reagent Port | 1 dedicated channel with isolated fluid path |
| Tube Cleaning | Programmable pre-run automated line rinse and conditioning cycle |
| Software Interface | Integrated GUI with real-time process logging, CSV export, and LIMS-compatible data transmission protocol |
| Safety | Fully enclosed reagent handling |
| 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 | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | LaSrAlO4 |
| Crystal Structure | Tetragonal |
| Lattice Parameters | a = 3.756 Å, c = 12.636 Å |
| Melting Point | 1650 °C |
| Density | 5.92 g/cm³ |
| Dielectric Constant (εᵣ) | 16.8 |
| Growth Method | Czochralski (Cz) |
| Standard Orientations | <001>, <100> |
| Orientation Tolerance | ±0.5° |
| Typical Dimensions | 10 × 10 × 0.5 mm³, 10 × 5 × 0.5 mm³ |
| Surface Finish | Single- or Double-Polished, Ra < 0.5 nm |
| Packaging | Class 1000 Cleanroom / Class 100 Clean Bag |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Pb-Foil |
| Price Range | USD 0.15–150.00 (per roll) |
| Dimensions | 50.8 mm (2") width × 160 µm (0.0063") thickness × 32.9 m (36 yards) length |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags, processed and packed in ISO Class 6 (Class 1000) cleanroom environment |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-350 |
| Portability | Portable |
| Conductivity Range | 0.000 µS/cm to 199.9 mS/cm (5 ranges) |
| TDS Range | 0.000 mg/L to 19.99 g/L (5 ranges) |
| Resistivity Range | Not applicable (mislisted in source |
| Salinity Range | (0.00–8.00)% |
| Temperature Range | 0.0–40.0 °C |
| Accuracy | ±1.0% FS (conductivity & TDS), ±0.2% FS (salinity), ±0.3 °C ±1 digit (temperature) |
| Stability | ±0.7% FS / 3 h |
| Resolution | 0.001 µS/cm (lowest range), up to 0.1 mS/cm (highest range) |
| Power | 4 × AA alkaline batteries |
| Dimensions | 210 × 86 × 50 mm |
| Weight | 0.5 kg |
| Data Storage | 100 sets |
| Interface | RS-232 serial port |
| Electrode | DJS-1CF platinized platinum conductivity cell (cell constant 1.0 cm⁻¹), T-818-B-6F thermistor temperature sensor |
| 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 |
| Model | DDS-307A |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.00 μS/cm to 200 mS/cm |
| TDS Range | 0.00–100 mg/L |
| Temperature Range | −5.0 to 110.0 °C |
| Accuracy | ±1.0% FS |
| Minimum Resolution | 0.01 μS/cm |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | DDSJ-319L |
| Detection Parameters | Single-parameter (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 | (−5.0–130.0) °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) |
| Compliance | GLP-compliant data management, supports ASTM D1125, ISO 7888, USP <645>, and GB/T 6682 for water quality testing |
| 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 |
| Model | ZDCL-2 |
| Measurement Range | (−1800.0 to +1800.0) mV |
| Potential Resolution | 0.1 mV |
| Potential Accuracy | ±0.2 mV |
| Stability | (±0.3 mV ±1 digit)/3 h |
| Titration Resolution | 1/10000 (for 10 mL burette) |
| Titration Precision | ≤0.20% RSD |
| Burette Error | ±0.025 mL (10 mL), ±0.035 mL (20 mL) |
| Temperature Compensation Range | (−5.0 to 105.0) °C, Resolution: 0.1 °C, Accuracy: ±0.3 °C |
| Interface | RS232 |
| Data Storage | 200 titration results + 1 full dataset |
| Compliance | GB/T 176–2017, GB/T 8077–2012, GB 50344–2004, JGJ/T 322–2013 |
| 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 | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| pH Range | 0.00–14.00 pH |
| mV Range | 0–±1999.0 mV |
| Temperature Range | −5.0–105.0 °C |
| pH Resolution | 0.01 pH |
| mV Resolution | 0.1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy | ±0.01 pH ± 1 digit |
| mV Accuracy | ±0.03% FS |
| Temperature Accuracy | ±0.3 °C ± 1 digit |
| Conductivity Range | 0.000–199.9 µS/cm |
| Conductivity Resolution | 0.001 µS/cm |
| Conductivity Accuracy | ±0.5% FS |
| Polarographic Current Ranges | 0–199.9 µA, 0–19.99 µA, 0–1.999 µA, 0–0.199 µA |
| Polarization Voltage Options | 3, 50, 100 mV |
| Titration Precision | ±0.03% FS |
| Titration Resolution | 1/1,500,000 |
| Endpoint Detection Sensitivity (Potentiometric) | ±2 mV |
| Endpoint Detection Sensitivity (Amperometric) | ±5% FS |
| Repeatability of Titration Analysis | 0.2% |
| 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 |
| Model | DDB-301 |
| Portability | Portable |
| Application Environment | Laboratory & Field |
| Measurement Parameter | Electrical Conductivity (Single-Parameter) |
| Resolution | 1 pS/m |
| Measurement Range | 0–1999 pS/m |
| Display | LCD |
| Power Supply | Two 476A 6V 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 (Certificate No.: GYB23.2384X) |
| Standard Electrode | DJSY-0.01 Fuel Conductivity Cell |
| Accessories | Silicone Protective Sleeve, Metal Measuring 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 | Authorized Distributor |
| Country of Origin | China |
| Model | DDB-303A |
| Price | USD 205 (FOB Shanghai) |
| Measurement Parameters | Conductivity only |
| Portability | Handheld |
| Intended Use | Field and Lab |
| Conductivity Range | 0.000 µS/cm to 100 mS/cm |
| Accuracy | ±1.0% 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 |
| Model | DDB-305A |
| Portability | Portable |
| Intended Use | Laboratory |
| 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% FS |
| Minimum Resolution | 0.01 μS/cm (auto-ranging) |
| TDS Resolution | 0.01 mg/L (auto-ranging) |
| Temp. Resolution | 0.1 °C / 0.1 °F |
| Temp. Accuracy | ±0.2 °C |
| IP Rating | IP65 |
| Data Storage | 200 sets |
| Power | Rechargeable Li-ion battery, DC5V adapter input (AC100–240V) |
| Dimensions | 80 × 225 × 35 mm |
| Weight | 0.4 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-350, DDBJ-350F |
| Portability | Portable |
| Application Environment | Laboratory & Field |
| Conductivity Range | 0.000 µS/cm to 500 mS/cm (DDBJ-350) / 1000 mS/cm (DDBJ-350F) |
| 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 |
| Accuracy | ±1.0% FS (conductivity, resistivity, TDS), ±0.2% FS (salinity), ±0.2 °C (temperature) |
| Minimum Resolution | 0.001 µS/cm |
| IP Rating | IP65 |
| Compliance | GLP-compliant data management, supports ASTM D1125, ISO 7888, and GB/T 6908 |
| 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) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-350 |
| Portability | Portable |
| Application | Laboratory Use |
| Conductivity Range | 0.000 µS/cm to 500 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) |
| Minimum Resolution | 0.001 µS/cm (conductivity), 0.01 Ω·cm (resistivity), 0.01 mg/L (TDS), 0.01% (salinity), 0.1 °C/°F (temperature) |
| IP Rating | IP65 |
| Electrode Compatibility | Auto-recognized 4 GB standard solutions |
| Compensation Modes | Non-compensated, linear (with reference at 20 °C or 25 °C), and pure-water compensation |
| Data Storage | 500 datasets per parameter |
| Interface | USB, RS-232 |
| Power | Rechargeable Li-ion battery |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DDBJ-350 |
| Portability | Portable |
| Intended Use | Laboratory & Field |
| Conductivity Range | (0.00–1.999×10⁵) µS/cm (5 auto-ranging spans) |
| TDS Range | (0.00–19,990) mg/L (5 auto-ranging spans) |
| Salinity Range | (0.00–8.00)% |
| Resistivity Range | 0–100 MΩ·cm |
| Temperature Range | (0.0–40.0) °C |
| Conductivity Accuracy | ±1.0% FS ±1 digit |
| Salinity Accuracy | ±0.2% ±1 digit |
| Temperature Accuracy | ±0.3 °C ±1 digit |
| Temperature Compensation | 0.0–40.0 °C (reference 25 °C for conductivity, 18 °C for salinity) |
| Electrode Constants Available | 0.01, 0.1, 1.0, 10.0 cm⁻¹ |
| Data Storage Capacity | 250 sets |
| Interface | RS-232 |
| IP Rating | IP65 |
| Power Management | Low-power design with low-battery indicator and auto-off |
| 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 |