Single–Parameter ORP Meter
NANBEI Is Professional On Providing One-step Solution Of Laboratory Instruments And Equipment
Brand:NANBEI
Model:SX751
Application:
SX751 Portable pH/ORP/Conductivity/DO Meter
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. |
| ●Multi-parameter meter, equipped with pH electrode, ORP electrode, conductivity electrode and dissolved oxygen 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. |
| ● Automatic identification of 8 conductivity standard calibration solutions, two options of standard calibration solutions: Europe and America series and China series. |
| ● Adopt advanced conductivity measurement technology, use conductivity electrode of constant K=1, only need one point calibration and meet the measurement precision requirement of 0.5μS/cm ~ 200 mS/cm. |
| ● Ability to switch among conductivity, TDS, salinity and resistivity. Multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale. |
| ●Conductivity measurement mode has the function of non-linear temperature compensation for high purity water. |
| ●Measurement mode of Dissolved oxygen has the function of automatic temperature compensation, automatic salinity compensation and manual air pressure compensation. |
| ●New polarographic type dissolved oxygen electrode can measure temperature, salinity and dissolved oxygen simultaneously, equipped with special dissolved oxygen electode calibration set, polarization only for 3~5 min. |
| ● Meter meets IP57 waterproof rating, equipped with calibration solution and portable case. |
Specifications
| 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）℃(automatic) | |
| ORP | Measuring range (mV/ORP/EH) | -1999mV ~ 0 ~ 1999mV |
Resolution | 1mV | |
Accuracy | Meter:±0.1% FS, Overall: ±15mV | |
| Conductivity | Measuring range | 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 |
Resolution | 0.01/0.1/1μS/cm 0.01/0.1 mS/cm | |
| Accuracy | Meter:±1.0% FS, Overall:±1.5% FS | |
Temp. compensation range | （0 ~ 50）℃(manual) | |
Electrode constant | 0.1 / 1 / 10 cm-1 | |
Benchmark temperature | 25℃、20℃ and 18℃ | |
| Dissolved Oxygen | Measuring range | （0 ~ 40.00）mg/L(ppm) （0 ~ 200.0）% |
Resolution | 0.1/0.01 mg/L(ppm) 1/0.1 % | |
Accuracy | Meter:±0.10 mg/L, Overall:±0.40 mg/L | |
Response time | ≤30 s（25℃, 90%response） | |
| Residual current | ≤0.1 mg/L | |
| Temp. compensation range | （0 ~ 45）℃(automatic) | |
| Salinity compensation range | （0 ~ 45）ppt(automatic) | |
Atmospheric pressure compensation range | （66 ~ 200）kPa (manual) | |
Automatic calibration | Air saturated by water; water saturated by air | |
Electrode type | Polarogram type | |
| 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 ℃（0.01grade） |
Environmental humidity | ≤85% | |
IP rating | IP57 Dustproof and waterproof |
Standard Kit Includes
| 1. Model SX751 pH/ORP/Conductivity/DO meter | 1unit |
| 2. 201T-S plastic pH/ATC three-in-one combination electrode | 1pc |
| 3. 301Pt-S plastic ORP combination electrode | 1pc |
| 4. 2301-S plastic conductivity electrode | 1支 |
| 5. DO500 DO electrode | 1pc |
| 6. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL) | 1btl/each |
| 7. 1413μS/cm conductivity standard solution (50mL) | 1bottle |
| 8. DO503 membrane cap (DO electrode use) | 1bottle |
| 9.DO502 DO electrode inner solution (30mL) | 2pcs |
| 10. Cathode polishing paper | 1pcs |
| 11. Screw driver | 1pcs |
| 12. Spare AA batteries | 2pcs |
| 13. Operation manual | 1pcs |
| 14. Carrying case | 1pcs |
