Sanxin Peirui (SANXIN)
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| Brand | Sanxin Peirui (SANXIN) |
|---|---|
| Origin | Shanghai, China |
| Instrument Type | Benchtop |
| Parameter Type | Single-parameter (pH/mV/°C) |
| pH Range | -2.000 to 19.999 pH |
| pH Resolution | 0.1 / 0.01 / 0.001 pH |
| mV Resolution | 0.1 mV |
| Temperature Resolution | 0.1 °C |
| pH Accuracy (Meter) | ±0.002 pH |
| (System w/ 2503-C electrode) | ±0.01 pH |
| mV Accuracy | ±0.03% FS |
| Temperature Accuracy | ±0.4 °C (5–60 °C), ±0.8 °C (other ranges) |
| Input Current | ≤1 × 10⁻¹² A |
| Input Impedance | ≥3 × 10¹² Ω |
| Stability | ±0.002 pH / 3 h |
| Temperature Compensation | Automatic or Manual, 0–100 °C |
| Buffer Recognition | 13 standard pH buffers (NIST, DIN, Chinese GB, and custom series) |
| Measurement Modes | Stable Read, Timed Read, Continuous Read |
| Special Modes | High-Purity Water pH, Ammoniated Pure Water pH, ORP (vs. SHE) |
| Data Storage | 600 records (ID, value, temperature, ATC/MTC status, date/time) |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| Environmental Rating | IP54 |
| Certifications | ISO 9001:2000, CE, CMC |
| Operating Conditions | 15–30 °C (for 0.001-class performance), ≤75% RH |
| Brand | Sanxin Peirui (SANXIN) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SX751 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Electrochemical Method |
| Measurable Parameters | pH, ORP, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen (DO), Temperature |
| Measurement Ranges | pH: (−2.00 to 19.99) pH |
| ORP | (−1999 to +1999) mV |
| Conductivity | (0.00–19.99) µS/cm, (20.0–199.9) µS/cm, (200–1999) µS/cm, (2.00–19.99) mS/cm, (20.0–199.9) mS/cm |
| TDS | (0–100) g/L |
| Salinity | (0–100) ppt |
| Resistivity | (0–100) MΩ·cm |
| DO | (0–20.00) mg/L, (0–200.0) % saturation |
| Temperature | (0–50) °C (auto-compensated for all parameters) |
| Accuracy | pH meter: ±0.01 pH |
| ORP meter | ±0.1% FS |
| Conductivity meter | ±1.0% FS |
| DO meter | ±0.10 mg/L (instrument), ±0.40 mg/L (system) |
| Temperature compensation | automatic across specified ranges |
| Resolution | pH: 0.01/0.1 pH |
| ORP | 1 mV |
| Conductivity | 0.01/0.1/1 µS/cm or 0.01/0.1 mS/cm |
| DO | 0.01 mg/L or 0.1 % |
| Temp | 0.1 °C |
| Electrode Constants | 0.1 / 1 / 10 cm⁻¹ |
| Calibration Modes | Automatic air-saturated water and water-saturated air for DO |
| Data Storage | 400 sets with ID, value, unit, and temperature stamp |
| Power | Two AA batteries (1.5 V × 2) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 360 × 270 × 76 mm / 1.7 kg |
| Environmental Rating | IP57 (dust protected, immersion up to 1 m for 30 min) |
| Operating Conditions | 5–35 °C ambient, ≤85% RH non-condensing |
| Certifications | ISO 9001:2015, CE, RoHS, CMC |