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| 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 | 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 | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | i-301 |
| Portability | Portable |
| Intended Use | Laboratory |
| Conductivity Range | 0.000 µS/cm to 200 mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–10 MΩ·cm |
| Salinity Range | 0–80 ppt |
| Temperature Range | −5 to 55 °C |
| Accuracy | ±0.5% FS (conductivity), ±0.1 °C (temperature) |
| Minimum Resolution | 0.01 µS/cm (conductivity), 0.1 °C (temperature) |
| Display | 7-inch color TFT capacitive touchscreen |
| Calibration | Auto-identification of standard solutions |
| cell constant options | 0.01, 0.1, and 1.0 cm⁻¹ |
| Compliance | IP54 ingress protection |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Cond 3310 |
| Portability | Portable |
| Application | Laboratory & Field Use |
| Conductivity Range | 0.0 – 1000 mS/cm |
| TDS Range | 0 – 1999 mg/L, 0 – 199.9 g/L |
| Resistivity Range | 0.00 – 20 MΩ·cm |
| Salinity Range | 0.0 – 70.0 (IOT-based) |
| Temperature Range | –5.0 – 105.0 °C |
| Accuracy | ±0.5% of reading |
| Minimum Resolution | 0.001 µS/cm |
| Calibration | 1–5 point, auto-buffer recognition (DIN/NIST), electrode constant adjustment range: 0.090–25.000 cm⁻¹ |
| Data Storage | 200 manual + 5000 interval-logged entries |
| IP Rating | IP66/IP67 |
| Auto-Temperature Compensation (ATC) | Yes |
| Display | Backlit graphical LCD |
| Power | Up to 1000 h battery life (non-backlit), 100 h (backlit continuous) |
| USB Interface | Waterproof, PC data transfer compliant |
| 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) |
| 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 | WTW |
|---|---|
| Origin | Germany |
| Model | Cond 3310 SET 1 |
| Measurement Parameters | Conductivity, Resistivity, TDS, Salinity, Temperature |
| Portability | Handheld (Pen-Style Form Factor) |
| Application Environment | Laboratory & Field |
| Conductivity Range | 0.0–1000 mS/cm |
| TDS Range | 0–1999 mg/L, 0–199.9 g/L |
| Resistivity Range | 0.00–20 MΩ·cm |
| Salinity Range | 0.0–70.0 ppt (based on IOT standard) |
| Temperature Range | –5.0 to 105.0 °C (±0.1 °C accuracy) |
| Accuracy | ±0.5% of reading |
| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Model | SX650 |
| Portability | Pen-type |
| Application | Laboratory & Field Use |
| Conductivity Range | 0–50.0 mS/cm |
| TDS Range | 0–35.0 g/L |
| Resistivity Range | 0–20.0 MΩ·cm |
| Salinity Range | 0–25.0 ppt |
| Temperature Range | 0–50.0 °C |
| Accuracy | ±1.0% FS (Conductivity), ±0.5 °C (Temperature) |
| Resolution | 0.1 µS/cm |
| Auto-Temperature Compensation | 0–50 °C (2.0%/°C) |
| Calibration | Single-point (1413 µS/cm) |
| Power | Two CR2032 batteries (≥100 h operation) |
| Dimensions | 148 × 29 × 14 mm |
| Weight | 38 g |
| IP Rating | IP57 |
| Certifications | ISO 9001:2000, CE |
| Brand | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-311 |
| Portability | Portable |
| Intended Use | Laboratory |
| Conductivity Range | 0.000 µS/cm to 200 mS/cm |
| TDS Range | 0 to 100 g/L |
| Resistivity Range | 0 to 10 MΩ·cm |
| Salinity Range | 0 to 80 ppt |
| Temperature Range | −5 to 55 °C |
| Accuracy | ±0.5% FS (conductivity), ±0.1 °C (temperature) |
| Minimum Resolution | 0.01 µS/cm (conductivity), 0.1 °C (temperature) |
| Display | 7-inch color TFT capacitive touchscreen |
| Compliance | IP54 |
| Calibration | Auto-recognition of 8 standard solutions (including ISO and GB standards), single-point or multi-point calibration supported |
| Electrode Constant Options | 0.01, 0.1, 1.0 cm⁻¹ (1.0 cm⁻¹ electrode supplied) |
| Data Management | Statistical analysis (min/max/avg/stdev), storage ≥1000 data points, print-ready output, audit-trail-capable logging, firmware upgradability, power-failure recovery, factory reset |
| Temperature Compensation | Automatic (linear & non-linear NIST/ISO models) and manual modes |
| Language Support | English & Chinese UI |
| Environmental Rating | IP54 |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | Cond 3110 |
| Portability | Portable |
| Application | Laboratory & Field Use |
| Conductivity Range | 0.0–1000 mS/cm |
| Resistivity Range | 0.00–999 MΩ·cm |
| Salinity Range | 0.0–70.0 (based on IOT) |
| Temperature Range | –5.0–105.0 °C |
| Accuracy | ±0.5% of reading |
| Minimum Resolution | 0.1 µS/cm |
| Temperature Accuracy | ±0.1 °C |
| Electrode Constants Supported | Fixed 0.475 cm⁻¹, 1.0 cm⁻¹ |
| ATC | Automatic Temperature Compensation (nLF algorithm) |
| Display | 7-segment LCD with high-contrast, large-font readability |
| IP Rating | IP66/IP67 |
| Battery Life | Up to 2500 h (alkaline) / 1000 h continuous (rechargeable NiMH) |
| Power | 4 × 1.5 V AA or 4 × 1.2 V NiMH |
| Data Logging | Internal storage with calibration history and electrode status tracking |
| Compliance | Designed for GLP-compliant workflows |
| Brand | OHAUS |
|---|---|
| Origin | USA |
| Model | AB33EC-F |
| Measurement Type | Single-parameter (Conductivity/Resistivity/Temperature) |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.001 μS/cm – 1000 mS/cm |
| Resistivity Range | 1 Ω to 100 MΩ |
| Temperature Range | 5°C – 40°C |
| Accuracy | ±0.5 % of reading |
| Minimum Conductivity Resolution | 0.001 μS/cm |
| Resistivity Resolution | 0.01 Ω |
| Temperature Resolution | 0.3 °C |
| Display | Backlit LCD with single-line dot-matrix |
| Power Supply | AC adapter (included) |
| Dimensions (L×H×W) | 210 mm × 51 mm × 142 mm |
| Net Weight | 0.5 kg |
| Operating Environment | 5°C – 40°C, ≤80% RH (non-condensing) |
| 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 | Yoke |
|---|---|
| Origin | Shanghai, China |
| Model | L-211 |
| Form Factor | Benchtop |
| Intended Use | Laboratory |
| Conductivity Range | 0.01 μS/cm to 100 mS/cm |
| TDS Range | 0.01 mg/L to 100 g/L |
| Resistivity Range | 0.01 Ω·cm to 100 MΩ·cm |
| Salinity Range | 0.01 ‰ to 100 ‰ |
| Temperature Range | 0–100 °C |
| Accuracy | ±1% FS (conductivity), ±0.5 °C (temperature) |
| Minimum Resolution | 0.01 μS/cm (conductivity), 0.1 °C (temperature) |
| Display | 7-inch color capacitive touchscreen |
| Calibration | Auto-recognition of 8 standard solutions (including ISO/ASTM-compliant KCl standards), single-point or multi-point calibration |
| Compensation | Automatic and manual temperature compensation (ATC/MTT) |
| Data Management | Statistical analysis (mean, SD, min/max), audit-trail-capable storage, print-ready export, GLP/GMP-compliant metadata tagging |
| Protection Rating | IP54 |
| Electrode Compatibility | Standard 1.0 cm⁻¹ cell (optional 0.1 or 0.01 cm⁻¹ cells for low-conductivity samples) |
| 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 | Sanxin Peri |
|---|---|
| Origin | Shanghai, China |
| Model | SX836 |
| Portability | Pen-style handheld |
| Intended Use | Laboratory & Field |
| Conductivity Range | 0–200 mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–100 MΩ·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | 0–100 °C |
| Accuracy | ±1.0% FS |
| Resolution | 0.01/0.1/1 µS/cm, 0.01/0.1 mS/cm |
| Brand | Sanxin Peri |
|---|---|
| Origin | Shanghai, China |
| Model | SX751 |
| Measurement Parameters | pH, ORP, Dissolved Oxygen (DO), Conductivity, TDS, Salinity, Resistivity, Temperature |
| Portability | Handheld Pen-Style Design |
| Intended Use | Laboratory & Field Applications |
| pH Range | −2.00 to 19.99 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.01 pH (meter only) |
| ORP Range | −1999 to +1999 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ±1 mV (meter only) |
| DO Range | 0.00–20.00 mg/L |
| DO Resolution | 0.01 mg/L |
| DO Accuracy | ±0.1 mg/L (meter only) |
| Conductivity Range | 0.01 μS/cm to 100 mS/cm |
| Conductivity Resolution | 0.01 μS/cm (low range) |
| Conductivity Accuracy | ±1% FS |
| TDS Range | 0.01 mg/L to 100 g/L |
| Resistivity Range | 0.01 Ω·cm to 100 MΩ·cm |
| Salinity Range | 0.01‰ to 100‰ |
| Temperature Range | 0–100°C |
| Temp. Resolution | 0.1°C |
| Temp. Accuracy | ±0.3°C |
| Data Storage | 400 sets with timestamp, parameter values, units, and temperature |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions (instrument) | 65 × 120 × 31 mm |
| Weight (instrument) | 180 g |
| IP Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | SANXIN Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | MP513 |
| Detection Parameter | Single-Parameter (Conductivity) |
| Portability | Benchtop |
| Application Environment | Laboratory |
| Conductivity Range | 0–200 mS/cm (5 auto-ranging segments) |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–100 MΩ·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | −10 to +110 °C |
| Accuracy | ±1.0% FS (Conductivity), ±1.5% FS (Overall Specification) |
| Minimum Resolution | 0.001 µS/cm |
| Temperature Compensation | Automatic (0–50 °C), ATC-enabled electrode |
| Data Storage | 100 sets |
| Interface | RS232 with GLP-compliant software |
| IP Rating | IP54 |
| Power Supply | DC 9 V / 300 mA |
| Dimensions & Weight | 160 × 190 × 70 mm / 880 g |
| Brand | YSI |
|---|---|
| Origin | USA |
| Model | EC300A |
| Portability | Portable |
| Application Environment | Laboratory & Field |
| Conductivity Range | 0–200 mS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–10 MΩ·cm |
| Salinity Range | 0–70 ppt |
| Temperature Range | −10°C to +90°C |
| Conductivity Accuracy | ±1% FS (full-scale) or ±1% reading + offset per range |
| Temperature Accuracy | ±0.2°C or ±0.4% of range (whichever is greater) |
| Conductivity Resolution | 0.01 μS/cm (lowest range), 0.1 mS/cm (highest range) |
| Temperature Resolution | 0.1°C |
| Probe Type | Stable 4-electrode conductivity cell |
| Waterproof Rating | IP65 (instrument body) |
| Power Supply | One 9V alkaline battery (≈150 h typical life) |
| Dimensions | 18.6 × 7.0 × 3.7 cm |
| Weight | 430 g (with battery) |
| Warranty | 1 year limited warranty on instrument, probe, and cable |
| Brand | SANXIN Peri |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Region of Manufacture | Domestic (China) |
| Model | PC5 |
| Pricing | Upon Request |
| Measurement Parameters | Single-Parameter (pH + Conductivity/TDS/Salinity/Resistivity) |
| Form Factor | Pen-Style Portable |
| Intended Use | Field & On-Site Applications |
| Conductivity Range | 0–2000 µS/cm |
| TDS Range | 0–100 g/L |
| Resistivity Range | 0–100 MΩ·cm |
| Salinity Range | 0–100 ppt |
| Temperature Range | 0–50 °C |
| Accuracy | ±1% FS |
| Minimum Resolution | 0.001 µS/cm |
| pH Range | –2.00 to 16.00 pH |
| pH Accuracy | ±0.01 pH |
| Temperature Compensation | Automatic (0–50 °C) |
| Calibration | 1–3 Point Auto-Calibration (pH), Conductivity Auto-Calibration |
| Display | Dual-Color Backlit LCD with Auto-Off Setting |
| Power Source | AAA Batteries |
| Enclosure Rating | IP67 |
| Accessories Included | Rugged Carrying Case, Calibration Solutions (pH 4.01/7.00/10.01, 1413 µS/cm KCl), Sample Vials, Electrode Cap |
| 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 |
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