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| Brand | DELEITE |
|---|---|
| Origin | Shanghai, China |
| Model | APT300 |
| Instrument Type | General-Purpose Potentiometric Titrator |
| Measurement Range | 0 to ±1999 mV, 0 to 14.00 pH |
| Accuracy | 0.1% F.S. (mV), ±0.01 pH |
| Control Precision | ±0.03 pH, ±3 mV |
| Input Impedance | >10¹² Ω |
| Operating Temperature | 5–40 °C |
| Relative Humidity | <85% RH |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Power Consumption | 20 W |
| Weight | 6 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 over 3 h |
| Titration Resolution | 1/20,000 for 10 mL burette |
| Brand | Sartorius |
|---|---|
| Origin | Germany |
| Model | LH-723080 |
| Instrument Type | Universal Potentiometric Titrator |
| Application Scope | General-purpose |
| Dispensing Range | 0.1–5 mL |
| Meter Accuracy | ±0.1% FS |
| Meter Resolution | 0.001 mL |
| Titration Accuracy | ≤±0.2% |
| Titration Resolution | 0.001 mL |
| Dispenser Type | Bottle-Top |
| Volume Range | 0–10 mL |
| Chemical Resistance | High (PTFE, FEP, PEEK, borosilicate glass) |
| Sterilization | Autoclavable liquid path (121°C, 20 min) |
| 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 |
| Meter Accuracy | ±0.03% or ±0.2 mV (mV mode) |
| Meter Resolution | 0.01 mV |
| Titration Accuracy | 0.0003 mL |
| Titration Resolution | 1/30,000 |
| Brand | Metrohm |
|---|---|
| Origin | Switzerland |
| Model | 61574210 |
| Application | Universal Potentiometric Titration |
| Compatible Syringe Volume | 10 mL |
| Tubing Material | FEP/ETFE |
| Connection Thread | M6 (Metrohm Standard) |
| Chemical Resistance | Excellent (resistant to strong acids including perchloric acid and HCl, strong bases, and common organic solvents) |
| Optical Clarity | High-transparency for real-time bubble detection |
| Dimensional Precision | Engineered for exact fit with Metrohm 10 mL exchange units to minimize dead volume and mechanical stress |
| Brand | Sartorius |
|---|---|
| Origin | Germany |
| Model | LH-723081 |
| Titration Range | 0.1–10 mL |
| Dispensing Accuracy | ≤ ±0.2% |
| Dispensing Resolution | 0.001 mL |
| Display Resolution | 0.001 mL |
| Display Accuracy | ±0.1% |
| Valve Type | Replaceable PTFE/FFKM |
| Sterilization | Autoclavable Fluid Path |
| Light Protection | Amber Window Option |
| Media Recirculation | Integrated |
| Brand | BRAND® |
|---|---|
| Origin | Germany |
| Model | 4760161 |
| Measurement Range | 0.2–10 mL |
| Meter Accuracy | ±0.1% |
| Meter Resolution | 0.001 mL |
| Dispensing Accuracy | ≤±0.2% |
| Dispensing Resolution | 0.001 mL |
| Compliance | DIN EN ISO 385 (Class A volumetric accuracy) |
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