Home > Products > Water quality analysis > SX721 Portable PH/ORP Meter Double-parameter Analyzer Multiparameter Water Quality Meter Quality Choice
SX721 Portable PH/ORP Meter Double-parameter Analyzer Multiparameter Water Quality Meter Quality Choice
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Product Details
| Place of Origin | Shanghai, China | Brand Name | YANHE | |
| Model Number | SX721 |
Product Description
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 |

Contact Us
- Shanghai Yanhe Instrument Equipment Co., Ltd.
- Contact nameLisa Zhou Chat Now
- Phone86-021-69972057
- Address4/F, No. 56, Lane 300, Shunda Road
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