Portable pH Meter
NANBEI Is Professional On Providing One-step Solution Of Laboratory Instruments And Equipment
SX731 Portable pH/ORP/Conductivity Meter
Introduction
| ● Multi-parameter meter, equipped with pH electrode, ORP electrode and conductivity electrode, automatic identification of electrode by meter. |
| ● 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. |
| ●Automatic identification of 13 pH standard buffer 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. |
| ● Meter meets IP57 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℃ | |
| 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 SX731 pH/ORP/Conductivity meter1set
2. 201T-S plastic pH/ATC three-in-one combined electrode1pcs
3. 301Pt-S plastic ORP combined electrode1pcs
4. 2301-S plastic conductivity electrode1pc
5. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL)1btl/each
6. 1413μS/cm conductivity standard solution (50mL)1bottle
7. Screw driver1pcs
8. Spare AA batteries2pcs
9. Operation manual1pcs
10. Carrying case1unit
