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| Brand | SANXIN |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Probe — Clark-type Polarographic |
| Measurement Range | 0–20.00 mg/L (ppm) |
| Accuracy | ±0.30 mg/L |
| Repeatability | 0.1 mg/L |
| Detection Limit | ±0.30 mg/L |
| Resolution | 0.01/0.1 mg/L (ppm), 0.1/1 % |
| Response Time | ≤30 s (at 25 °C, 90% response) |
| Zero Drift | ≤0.10 mg/L |
| Temperature Compensation Range | 0–45 °C (automatic) |
| Salinity Compensation Range | 0–45 ppt (automatic) |
| Barometric Pressure Compensation | 60.0–199.9 kPa (manual) |
| Temperature Measurement Range | 0–100 °C |
| Temp. Resolution | 0.1 °C |
| Temp. Accuracy | ±0.5 °C ±1 digit |
| Data Storage | 500 sets (ID, date, time, DO value, unit, temperature) |
| Power Supply | 3 × AA batteries (1.5 V) or DC 5 V via USB |
| Dimensions (instrument) | 88 × 170 × 33 mm |
| Weight (instrument) | 313 g |
| IP Rating | IP57 |
| Included Accessories | DO500 polarographic DO probe, DO502 electrolyte solution (30 mL), DO503 membrane caps (×3), cathode polishing paper (×2), PC-Link software CD, USB cable, heavy-duty carrying case, user manual |
| Brand | Sanxin Peirui |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SX716 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Probe |
| Measurement Range | (0–20.00) mg/L (ppm), (0–200.0)% |
| Accuracy | Meter: ±0.10 mg/L |
| System (with probe) | ±0.40 mg/L |
| Repeatability | 0.1% |
| Detection Limit | 0.1 / 0.01 mg/L (ppm), 1 / 0.1 % |
| Response Time | ≤30 s (90% response at 25 °C) |
| Temperature Compensation Range | (0–45) °C (automatic) |
| Salinity Compensation Range | (0–45) ppt (automatic) |
| Barometric Pressure Compensation Range | (66–200) kPa (manual) |
| Data Storage | 100 sets (ID, DO value, unit, temperature) |
| Power Supply | 2 × AA batteries (1.5 V each) |
| Dimensions & Weight | Meter: 65 × 120 × 31 mm / 180 g |
| Carrying Case | 255 × 210 × 50 mm / 790 g |
| Environmental Operating Conditions | 5–35 °C, ≤85% RH |
| Ingress Protection Rating | IP57 |
| Certifications | ISO 9001:2000, CE, CMC |
| Brand | Sanxin |
|---|---|
| Model | MP516 |
| Measurement Principle | Polarographic (Clark-type) Electrochemical Detection |
| DO Range | 0–40.00 mg/L (ppm) / 0–200.0 % saturation |
| Accuracy | ±0.10 mg/L |
| Temp. Compensation | 0–45 °C (auto) |
| Salinity Compensation | 0–45 ppt (auto) |
| Barometric Compensation | 80–105 kPa (integrated sensor) |
| Calibration Modes | Water-saturated air & air-saturated water |
| Temp. Range (sensor) | 0–45 °C |
| Temp. Accuracy | ±0.4 °C |
| Data Storage | 600 sets |
| Interface | RS232 |
| Power | DC 9 V / 300 mA |
| Dimensions | 160 × 190 × 70 mm |
| Weight | 880 g |
| IP Rating | IP54 |
| Electrode Type | Replaceable DO500 polarographic sensor with DO503 membrane cap and DO502 electrolyte solution |
| Includes | 901 Smart Stirrer, 602 Universal Electrode Holder, Cathode Polishing Paper |
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