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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B-T |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (−2000.00 to +2000.00) mV |
| Meter Accuracy | mV: ±0.03% or ±0.2 mV |
| pH | ±0.002 pH |
| Meter Resolution | 0.01 mV, 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Key | Brand: Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-4A |
| Instrument Type | General-purpose Potentiometric Titrator |
| pH Range | 0.00–14.00 |
| mV Range | −1800.0–+1800.0 |
| pH Resolution | 0.01 |
| mV Resolution | 0.1 |
| pH Accuracy | ±0.01 |
| mV Accuracy | ±0.03% FS |
| Stability | (±0.3 mV ±1 digit)/3 h |
| Titration Precision | 0.2% (repeatability) |
| 10 mL Burette Error | ±0.025 mL |
| 20 mL Burette Error | ±0.035 mL |
| 10 mL Burette Resolution | 1/20000 |
| 20 mL Burette Resolution | 1/10000 |
| Stirring Control | PWM-based digital speed regulation |
| Temperature Compensation Range | −5.0–105.0 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.3 °C |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |
| 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 | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-3A |
| Instrument Type | General-purpose Potentiometric Titrator |
| Measurement Range | (−1999 to +1999) mV, (0.00 to 14.00) pH |
| Meter Accuracy | ±0.3% of full scale |
| Meter Resolution | 1 mV, 0.01 pH |
| Titration Stability | ±1 mV / 3 h |
| Burette Resolution | 1/20000 (10 mL burette), 1/10000 (20 mL burette) |
| Burette Delivery Error | ±0.05 mL (10 mL), ±0.07 mL (20 mL) |
| Repeatability | 0.3% RSD |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-4B |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (0.00–14.00) pH |
| Meter Accuracy | ±0.2% of full scale |
| Meter Resolution | 0.01 pH |
| Titration Accuracy | (±0.3 mV ± 1 digit)/3 h |
| Titration Resolution | 10 mL burette: 1/20,000 |
| 20 mL burette | 1/10,000 |
| Burette Volume Error | 10 mL: ±0.025 mL |
| 20 mL | ±0.035 mL |
| Temperature Compensation Range | (−5.0–105.0) °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.3 °C |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 10 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | (−2000.00 to +2000.00) mV |
| Electrode Unit Accuracy | ±0.002 pH |
| Electrode Unit Resolution | 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Repeatability | ≤0.2% RSD |
| Temperature Compensation Range | −5.0 to 105.0 °C (0.1 °C resolution) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-520 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | pH (0.00–14.00) |
| Display Range | pH (−2.00–20.00), mV (0.0 to ±1999.9), Temperature (−5.0–105.0)°C |
| Resolution | 0.01 pH, 0.1 mV, 0.1°C |
| Electronic Unit Accuracy | ≤±0.01 pH ±1 digit, ≤±0.03% FS for mV, ≤±0.3°C for temperature |
| Titration Repeatability | ≤1.0% RSD |
| Power Supply | AC (220±22) V, (50±1) Hz |
| Dimensions (W×D×H) | 600×455×720 mm |
| Weight | 50 kg |
| Interface | RS-232 or RS-455 (user-selectable) |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B-G |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | mV: (−2000.00 to +2000.00) mV |
| pH | (0.000 to 20.000) pH |
| Meter Accuracy | mV: ±0.03% or ±0.2 mV |
| pH | ±0.002 pH |
| Meter Resolution | 0.01 mV, 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-4D |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| mV Measurement Range | −2000.0 to +2000.0 mV |
| pH Measurement Range | −5.000 to 20.000 pH |
| mV Resolution | 0.01 mV |
| pH Resolution | 0.001 pH |
| Temperature Compensation Range | −10.0 to 135.0 °C |
| Temperature Resolution | 0.1 °C |
| Titration Resolution | 1/20000 |
| Titration Modes | Dynamic, Fixed-volume, Pre-set Endpoint, Manual |
| Endpoint Detection Methods | Pre-set Potential, First Derivative (dE/dV), Second Derivative (d²E/dV²) |
| Display | 8-inch color touchscreen |
| Interface | USB, RS232 (bidirectional) |
| Software Compliance | Supports GMP-compliant operation via PC software with audit trail and user permission levels |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B-D |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | mV: (−2000.00 to +2000.00) mV |
| pH | (0.000 to 20.000) pH |
| Meter Accuracy | mV: ±0.03% or ±0.2 mV |
| pH | ±0.002 pH |
| Meter Resolution | 0.01 mV, 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Repeatability | ≤0.2% |
| Volumetric Error (10 mL burette) | ±0.020 mL |
| (20 mL burette) | ±0.030 mL |
| Temperature Compensation Range | (−5.0 to 105.0) °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.3 °C (0–60 °C), ±1.0 °C (other ranges) |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDY-500 |
| Instrument Type | General-Purpose Dead-Stop Titrator |
| Measuring Range | 0–10 mL and 0–25 mL burette capacity |
| Electrode Current Detection Sensitivity | 10⁻⁹ A to 10⁻⁶ A (4-step selection) |
| Polarization Voltage Settings | 30 mV, 50 mV, 100 mV |
| Endpoint Current Threshold Settings | 0.001 µA, 0.01 µA, 0.1 µA, 1 µA |
| Endpoint & Pre-Control Point Range | 0–100 (arbitrary units) |
| Delay Time Setting | 0–200 s |
| Measurement Repeatability Error | ±0.2% FS |
| Polarization Current Detection Error | ±2% FS |
| Operating Temperature | 5–30 °C |
| Power Supply | AC 100–240 V input / DC 24 V output |
| Dimensions (W×D×H) | 218 × 180 × 66 mm |
| Weight | 0.7 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDCL-1 |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Dedicated for Chloride Ion Determination |
| Measurement Range | (−1800.0 to +1800.0) mV |
| Potentiometer Accuracy | ±0.20% of full scale |
| Potentiometer Resolution | 0.1 mV |
| Titration Accuracy | (±0.3 mV ±1 digit) over 3 h |
| Titration Resolution | 1/10000 |
| Burette Capacity | 10 mL |
| Burette Error | ±0.025 mL |
| Burette Delivery Time | (55 ± 10) s (at full scale) |
| Temperature Compensation Range | (−5.0 to 105.0) °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5B-Y |
| Instrument Type | General-purpose Potentiometric Titrator |
| Application Scope | Universal |
| Measurement Range | mV: (−2000.00 to +2000.00) mV |
| pH | (0.000 to 20.000) pH |
| Meter Accuracy | mV: ±0.03% or ±0.2 mV |
| pH | ±0.002 pH |
| Meter Resolution | 0.01 mV, 0.001 pH |
| Titration Precision | 0.0003 mL |
| Titration Resolution | 1/30000 |
| Repeatability | ≤0.2% |
| Burette Error | ±0.020 mL (10 mL burette), ±0.030 mL (20 mL burette) |
| Temperature Compensation Range | −5.0 to 105.0 °C (0.1 °C resolution) |
| accuracy | ±0.3 °C (0–60 °C), ±1.0 °C (other ranges) |
| Power Supply | AC (220 ± 22) V, 50 ± 1 Hz |
| Dimensions (W×D×H) | 340 × 400 × 400 mm |
| Weight | 8 kg |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | ZDJ-5 |
| Measurement Range | (−1999.9 to +1999.9) mV |
| Electrolysis Current Options | 1 mA, 10 mA, 50 mA |
| Electrolysis Current Accuracy | ±0.25% of reading (max. load: 500 Ω) |
| Titration Repeatability | ≤0.5% (minimum integration time: 3 s) |
| Power Supply | AC (220 ± 22) V, (50 ± 1) Hz |
| Dimensions | 360 × 300 × 300 mm |
| Weight | 10 kg |
| Interface | RS-232 (bidirectional), USB support for data export and firmware update |
| Software | ZDJ-5专用滴定分析软件 (ZDJ-5 Titrator Control & Analysis Suite) |
| Stirring System | PWM-controlled magnetic stirrer with software-adjustable speed |
| Printer Compatibility | TP-16, TP-24, or TP-40 serial printers |
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