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| 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 | 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 % |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DDG-33 |
| Price | USD 780 (FOB Shanghai) |
| Conductivity Range | 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 |
| Basic Instrument Error | ±2.0% FS (conductivity), ±0.5 °C (0.0–60.0 °C), ±1.0 °C (other) |
| Resolution | 0.001/0.01/0.1 µS/cm |
| Repeatability | 1.0% FS |
| Electronic Unit Accuracy | ±1.0% FS (conductivity), ±0.3 °C (temperature) |
| Stability | ±0.5% FS/24 h |
| Temperature Compensation Range | 5.0–60.0 °C (reference 25.0 °C) |
| Enclosure Rating | IP65 |
| Power Supply | AC 220 V ±10%, 50 Hz ±1% or DC 24 V |
| Dimensions | 166 × 166 × 110 mm |
| Weight | 2.0 kg |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DCG-760A |
| Price Range | USD 850–1,420 (FOB) |
| Conductivity Range | 0–1000 mS/cm |
| Temperature Range | −10.0 to 120.0 °C |
| Basic Instrument Error | ±2.0% FS (Conductivity), ±0.3% HCl/NaOH (Concentration), ±0.5 °C (Temp, 0–60 °C) |
| Dimensions | 144 × 144 × 160 mm |
| Weight | ~2 kg |
| IP Rating | IP65 |
| Output | Isolated 4–20 mA DC (configurable span) |
| Temp Compensation | Automatic, 5.0–45.0 °C (ref. 25.0 °C) |
| Resolution | 0.1% (conc.), 0.1/1 mS/cm (cond.), 0.1 °C (temp) |
| Repeatability | ±0.1% HCl/NaOH |
| Drift Stability | ±0.1%/24h (conc.), ±0.5% FS/24h (cond.) |
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