Portable ORP Meter
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Portable ORP Meter
SX712 Portable ORP Meter
Portable electrochemical instrument of the 4th generation, the most cost effective portable pH+OPR double-parameter meter among SX700 series.
Equipped with plastic ORP combination electrode, fast response and accurate result.
IP57 waterproof rating, equipped with ORP standard solution and portable case.More
| Category | Product Name | Basic features and specifications |
| 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 |
SX721 Portable pH/ORP Meter
Portable electrochemical instrument of the 4th generation, the most cost effective portable pH+OPR double-parameter meter among SX700 series.
Equipped with three-in-one combination pH electrode and ORP combination electrode, automatic identification of electrode by meter.
Meter meets IP57 waterproof rating, equipped with calibration solution and portable case.
Meter Rating: 0.01.More
| 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 |
SX731 Portable pH/ORP/Conductivity Meter
Portable electrochemical instrument of the 4th generation, the most cost effective multi-parameter meter among SX700 series.
Equipped with pH electrode, ORP electrode and conductivity electrode, automatic identification of electrode by meter.
Advanced conductivity measurement technology, wide measurement scope and high precision, ability to switch among conductivity, TDS, salinity and resistivity.
IP57 waterproof rating, equipped with calibration solution and portable case.
Meter Rating: 0.01, conductivity: 1.0.More
| 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 |
SX751 Portable pH/ORP/Conductivity/DO Meter
Portable electrochemical instrument of the 4th generation, the most cost effective multi-parameter meter among SX700 series.
Equipped with pH electrode, ORP electrode and conductivity electrode and dissolved oxygen electrode, automatic identification of electrode by meter.
Advanced conductivity measurement technology, wide measurement scope and high precision, ability to switch among conductivity, TDS, salinity and resistivity.
Dissolved oxygen measurement mode has the functions of automatic temperature compensation, automatic salinity compensation and manual air pressure compensation.
IP57 waterproof rating, equipped with calibration solution and portable case.
Meter Rating: 0.01, conductivity: 1.0.More
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.
| 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 |
SX630 ORP Tester
One among SX600 series, the most cost effective ORP tester.
Replaceable batteries, equipped with calibration solution and portable case.
IP57 waterproof ratingMore
| Range Resolution | ±1999 mV ±1 mV ±0.2% FS |
Other Specifications | Power Dimension & Weight Quality&Safe Certificate | CR2032 lithium batteries×2，continuous use for over 100 hours Meter：148×29×14mm / 43g Case：168×96×28mm / 180g ISO9001:2000, CE and CMC |
Working Conditions | IPRating | IP57 Dustproof & Waterproof |