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Introduction:
| Built-in microprocessor chips, intelligent functions such as automatic calibration, automatic temperature compensation, data storage, function set-up, self-diagnose information, automatic power-off and low voltage display. |
| Double-parameter meter, equipped with three-in-one combination pH electrode and ORP electrode, automatic identification of electrode by meter. |
| Automatic identification of 13 pH standard calibration solutions, three options of standard buffer solutions: Europe and America series, NIST series and China series. |
| Able to set pH measurement modes of high purity water and pure water with ammonia |
| Meter meets IP57 rating, equipped with calibration solution and portable case. |
Specification:
| Category | Product Name | Basic features and specifications |
| PH | Measuring range | (-2.00 ~ 19.99)pH |
Resolution | 0.1/0.01 pH | |
Accuracy | Meter:±0.01pH; Overall: ±0.02pH | |
Input current | ≤2×10-12 A | |
Input impendance | ≥1×1012 Ω | |
Stability | ±0.01 pH/3h | |
| Temp. compensation range | (0 ~ 100)°C(automatic) | |
| ORP | Measuring range (mV/ORP/EH) | -1999mV ~ 0 ~ 1999mV |
Resolution | 1mV | |
Accuracy | Meter:±0.1% FS, Overall: ±15mV | |
| Other Technical Parameters | Data storage | 200 groups |
| Storage content | Series number, measuring value measuring unit and temperature, | |
Power | Two AA batteries (1.5V x2) | |
Size and weight | meter:(65×120×31)mm/180g Suitcase: (360×270×76)mm/1.6Kg | |
| Quality and safety certification | ISO9001:2000, CE and CMC | |
| Working Condition | Environment temperature | 5 ~ 35 °C(0.01grade) |
Environmental humidity | ≤85% | |
IP rating | IP57 Dustproof and waterproof |
Standard kit includes
| 1. Model SX721 pH/ORP meter | 1unit |
| 2. 201T-S plastic pH/ATC three-in-one combined electrode | 1pc |
| 3. 301Pt-s plastic ORP combined electrode | 3pc |
| 4. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL) | 1btl/each |
| 5. 220mV ORP standard solution(50mL) | 1pc |
| 6.Screw driver | 1pc |
| 7. Spare AA batteries | 2pcs |
| 8. Operation manual | 1pc |
| 9. Carrying case | 1unit |