Product Introduction
Introduction
| ● Double-parameter meter, equipped with pH 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 SX723 pH/mV/Conductivity meter | 1unit |
| 2. 201T-S plastic pH/ATC three-in-one combined electrode | 1pc |
| 3. 2301-S plastic conductivity electrode | 1pc |
| 4. pH standard buffer solution(pH4.00, pH7.00 and pH10.01/50mL) | 1btl/each |
| 5.1413μS/cm conductivity standard solution (50mL) | 1pc |
| 6.Screw driver | 1pc |
| 7. Spare AA batteries | 2pcs |
| 8. Operation manual | 1pc |
| 9. Carrying case | 1unit |
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