SX721 Portable PH/ORP Meter Double-parameter Analyzer Multiparameter Water Quality Meter Quality Choice
The most cost effective pH+OPR double-parameter meter, suited for industrial and mining factories, power plant, water treatment project and environmental protection industry, especially suited in field and on-site.
| 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. |
| 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 | |
| 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 |
| 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 |
Accessory Category |
Description |
Specifications |
pH combination electrode |
201T-S plastic three-in-one pH electrode |
Measure pH and temperature simultaneously, ATC, suited for general pH measurement, 8 pin conncetor. |
2503DT-S glass three-in-one combintion pH electrode |
ATC, suited for pH measurement of solution under low temperature and pure water, 8 pin connector. |
|
Glass flow cell |
Match 2503DT-S electrode. |
|
ORP combination electrode |
301Pt-S Plastic ORP combination electrode |
Suited for general ORP measurement, 8 pin connector. |
pH buffer |
pH4.00 buffer |
500mL/250mL/50mL(bottle) |
pH6.86 buffer |
500mL/250mL/50mL(bottle) |
|
pH9.18 buffer |
500mL/250mL/50mL(bottle) |
|
pH7.00 buffer |
500mL/250mL/50mL(bottle) |
|
pH10.01 buffer |
500mL/250mL/50mL(bottle) |
|
Electrode soaking solution |
pH(ORP)combination electrode soaking solution |
500mL/250mL/50mL(bottle) |
ORP standard solution |
222 mV ORP standard solution |
250mL/100mL/50mL(bottle) |
Portable case |
Small portable case(255×210×50)mm |
Match single electrode. |
Big portable case(360×270×76)mm |
Match multi- electrode |

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