Online Conductivity Analyzer
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| Brand | Leichi |
|---|---|
| Model | DDG-5205A |
| Type | Online Conductivity Analyzer |
| Measurement Range (Conductivity) | 0.000 µS/cm to 10.0 mS/cm (dependent on cell constant) |
| Temperature Range | −10.0 °C to 120.0 °C |
| Basic Instrument Error (Conductivity) | ±2.0% FS |
| Resolution (Conductivity) | 0.001 µS/cm (lowest range) |
| Temperature Compensation Range | 5.0 °C to 60.0 °C (reference 25.0 °C) |
| Repeatability | 1.0% FS |
| Electronic Unit Accuracy (Conductivity) | ±1.0% FS |
| Stability | ±0.5% FS/24 h |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz or DC 24 V |
| Dimensions | 166 × 166 × 110 mm |
| Weight | ~2 kg |
| Data Storage Capacity | 400 records with configurable logging interval |
| Output | Isolated 4–20 mA DC (user-definable upper/lower limits) |
| Communication Interface | RS-232 or RS-485 (selectable) |
| Optional Conductivity Cells | K = 0.01 cm⁻¹, 0.1 cm⁻¹, or 1.0 cm⁻¹ |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | Leici (Shanghai Inesa Scientific Instrument Co., Ltd.) |
| Type | DDG-35 |
| Conductivity Range | 0.0 µS/cm to 200 mS/cm |
| Resistivity Range | 5.00 Ω·cm to 20 MΩ·cm |
| TDS Range | 0.0 mg/L to 100 g/L |
| Salinity Range | 0.00–8.00 % |
| Temperature Range | −10.0 to 120.0 °C |
| Basic Instrument Error | ±2.0 % FS (Conductivity) |
| Temperature Error | ±0.5 °C (0.0–60.0 °C), ±1.0 °C (other ranges) |
| Conductivity Resolution | 0.001 µS/cm (selectable: 0.001 / 0.01 / 0.1 / 1 µS/cm) |
| Temperature Resolution | 0.1 °C |
| Repeatability | 1.0 % FS (instrument), 0.3 % FS (electronic unit) |
| Auto-Temperature Compensation Range | −10 to 120 °C |
| Temp. Coefficient Adjustment | 0.0–10.0 %/°C |
| Output Signals | Isolated 4–20 mA DC (configurable span), Isolated RS-485 (Modbus RTU) |
| Enclosure Rating | IP65 |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2 kg |
| Standard Sensor Cable Length | 10 m |
| Mounting Cutout | 140 × 140 mm |
| Power Supply | AC 220 V ±10 %, 50 Hz ±1 % |
| Conductivity Range | 0.0 µS/cm to 200 mS/cm |
|---|---|
| Temperature Range | −10.0 to 120.0 °C |
| Accuracy | ±2.0% FS (instrument) |
| Resolution | 0.001 µS/cm (selectable: 0.001 / 0.01 / 0.1 / 1 µS/cm) |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2 kg |
| IP Rating | IP65 |
| Output | Isolated 4–20 mA DC & RS-485 |
| Sensor Cable Length | 10 m (standard) |
| Auto-Temperature Compensation | −10 to 120 °C |
| Electrode Compatibility | 2-electrode and 4-electrode conductivity cells |
| Data Storage Capacity | 2000 records |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic Industrial Instrument |
| Model | DDG-5205A |
| Price Range | USD 850–1,420 (FOB Shanghai) |
| Conductivity Range | 0.000 µS/cm to 10.0 mS/cm (dependent on cell constant: K=0.01 cm⁻¹: 0–20 µS/cm |
| K=0.1 cm⁻¹ | 1–200 µS/cm |
| K=1.0 cm⁻¹ | 10–10,000 µS/cm) |
| Temperature Range | −10.0 to 120.0 °C |
| Temperature Compensation Range | 5.0 to 60.0 °C (reference temp: 25.0 °C) |
| Conductivity Resolution | 0.001 / 0.01 / 0.1 / 1 µS/cm (auto-ranging) |
| Temperature Resolution | 0.1 °C |
| Basic Error | ±2.0% FS (conductivity), ±0.5 °C (0.0–60.0 °C), ±1.0 °C (outside range) |
| Repeatability | 1.0% FS |
| Electronic Unit Accuracy | ±1.0% FS (conductivity), ±0.3 °C (temperature) |
| Drift Stability | ±0.5% FS/24 h |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% or DC 24 V ±15% |
| Dimensions | 166 × 166 × 110 mm |
| Weight | ~2.0 kg |
| Data Storage | 400 records with configurable logging interval |
| Output | Isolated 4–20 mA DC (user-defined upper/lower limits) |
| Digital Interface | RS-232 or RS-485 (selectable) |
| Auto-Cleaning Support | Yes |
| Alarm Functions | Programmable high/low limit alerts with relay output |
| Power Failure Protection | Non-volatile memory retention |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Product Line | InPro5000i (for bioprocessing & cell culture), InPro5500i (for beverage carbonation) |
| Measurement Principle | Severinghaus-type electrochemical membrane sensor with temperature-compensated pH-based detection |
| Output Signal | 4–20 mA, HART, or digital ISM interface |
| Pressure Rating | Up to 10 bar (g) |
| Process Temperature Range | 0–50 °C |
| Materials of Construction | PPSU body, PTFE/PFA membranes, FDA-compliant wetted parts |
| Certifications | ATEX/IECEx Zone 1, SIL2 compliant, cGMP-ready design |
| Smart Features | ISM (Intelligent Sensor Management) with diagnostic logging, lifetime calibration tracking, and predictive maintenance alerts |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | USA |
| Model | InPro7250 Series |
| Sensor Principle | Toroidal (Electrodeless) Induction |
| Measurement Parameters | Conductivity, Resistivity, Salinity (TDS-derived), Temperature |
| Output Protocols | HART, PROFIBUS PA, FOUNDATION Fieldbus |
| Enclosure Rating | IP66/IP67, ATEX/IECEx Certified Options Available |
| Channel Configuration | Single- or Dual-Channel Transmitter Options |
| Compliance | FDA 21 CFR Part 11 (with ISM software), ASTM D1125, ISO 7888, USP <645>, EP 2.2.38 |
| Brand | SETA |
|---|---|
| Origin | UK |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 99500-0 |
| Price | USD-based quotation available upon request |
| Measurement Principle | AC Conductivity (4-electrode, frequency-modulated) |
| Conductivity Range | 0–1000 pS/m (optional 0–2000 pS/m) |
| Accuracy | ±2% of reading |
| Temperature Range | –20 °C to +60 °C (±0.5 °C) |
| Pressure Rating | 16 bar standard |
| Enclosure Certification | ATEX II 1G Ex d IIC T6 Ga, FM Class I Div 1 Groups B/C/D, FMc Class I Zone 1 |
| Output Signal | 4–20 mA (HART optional) |
| Housing Material | 316 stainless steel |
| Process Connection | Clamp, flange, or threaded (NPT, ISO 228, DIN 11851 configurable) |
| Software | Included PC-based data acquisition and calibration management suite |
| Brand | Shimadzu |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | TOC-1000e |
| Price Range | USD 150–1,500 (FOB Japan) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | AquaSensors |
| Pricing | Available Upon Request |
| Measurement Principle | Inductive (Toroidal) Conductivity Sensing |
| Range | 0–2,000,000 µS/cm (0–2 S/cm) |
| Resolution | 5-digit display |
| Accuracy | ±0.1% of reading |
| Response Time | t₉₀ ≤ 30 s |
| Units | µS/cm, mS/cm, S/cm, TDS (ppm), % concentration |
| Temperature Range | –5 to 95 °C (PEEK® electrode) |
| Max Pressure | 200 PSIG (13.8 bar) @ 95 °C / 85 PSIG (5.9 bar) @ 75 °C |
| Max Flow Rate | 300 cm/s |
| Electrode Materials | PEEK® or CPVC |
| Body Materials | PEEK or CPVC |
| Temperature Compensation | Automatic, pre-calibrated, high-accuracy NTC/RTD-based |
| Fouling Resistance | Immune to electrode polarization, oil fouling, and extreme pH (strong acid/alkali) environments |
| Calibration | Factory pre-calibrated for conductivity and temperature |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | Singapore |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | alpha-CON2000 |
| Pricing | Upon Request |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Category | Imported Industrial Online Conductivity Analyzer |
| Model | Thermo Scientific Alpha CON1000 |
| Pricing | Upon Request |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported Industrial Online Conductivity/Resistivity Analyzer |
| Model | Thermo Scientific Alpha RES1000 |
| Pricing | Upon Request |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | Alpha Conductivity Electrode |
| Pricing | Available Upon Request |
| Cell Constants Available | 0.01 cm⁻¹, 0.1 cm⁻¹, 0.3 cm⁻¹, 1.0 cm⁻¹ |
| Compatible Transmitter | CON2000 only (for specific part numbers) |
| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | TetraCon® 700 IQ |
| Measurement Principle | Four-Electrode Conductivity |
| Conductivity Range | 10 µS/cm to 500 mS/cm (up to 1000 mS/cm for SW variant) |
| Resolution | 0.01 µS/cm |
| Salinity Range | 0–70 PSU |
| TDS Range | 0–2000 mg/L |
| Response Time (t₉₀) | <60 s |
| Electrode Constant | Adjustable 0.826–1.008 cm⁻¹ (default K = 0.917 cm⁻¹ in free solution |
| Temperature Compensation | Integrated, -5 °C to +60 °C |
| Max. Pressure Rating | 10 bar (20 °C) |
| Accuracy | ±2% of reading (conductivity), ±0.1–0.2 PSU (salinity, depending on temperature range) |
| Brand | ZEDO |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Industrial Ultrasonic Humidifier |
| Model | ZS-40Z |
| Humidification Capacity | 12 kg/h |
| Power Consumption | 1200 W |
| Control Mode | Automatic Humidity Feedback Control (RH Setpoint) |
| 雾化方� | �: Single-Tube Ultrasonic Atomization |
| Enclosure Material | Full Stainless Steel (304) |
| IP Rating | IP68 (Power Supply & Fan) |
| 雾化片 | Alumina Ceramic Transducer (3000–5000 h Lifetime) |
| Sensor | SUGINO (Japan) High-Accuracy Capacitive RH Sensor (±2% RH, 10–90% RH Range) |
| Certifications | CE-marked, RoHS-compliant |
| Warranty | 12 months parts and labor |