Client Protection
Dedicated Support
Apera SX731 | SX700 Series Portable pH/ORP/Conductivity Meter Kit | pH -2.00 to 19.99, Cond. up to 199.9 mS, IP57
The SX731 is an SX700 series portable pH/ORP/Conductivity meter measuring pH/mV, ORP, conductivity/TDS/salinity/resistivity and temperature. It stores 300 data sets, is rated IP57 and is supplied as a complete kit with electrodes and standard solutions.
Key features
- Measures pH/mV, ORP, conductivity/TDS/salinity/resistivity with temperature
- pH -2.00 to 19.99, accuracy ±0.01 pH ±1 digit, 1 to 3 point automatic calibration
- Conductivity/TDS/salinity/resistivity up to 199.9 mS, accuracy ±1.0% FS
- 300 sets of data storage; IP57 dustproof and waterproof; 2 x AA batteries
- Complete kit in a big carrying case with electrodes and standard solutions
- Specifications
- Downloads
| Part Number | SX731 |
| Brand | Apera Instruments |
| IP Rating | IP57 dustproof and waterproof |
| pH Range | -2.00 to 19.99 pH |
| pH Accuracy | ±0.01 pH ±1 digit |
| mV Range | -1999 to 1999 mV |
| mV Accuracy | ±0.1% F.S |
| Data Storage | 300 sets |
| Power | AA batteries (1.5V x 2) |
| pH Automatic Calibration | 1 to 3 points |
| Conductivity Range | 0.00 to 19.99 µS; 20.0 to 199.9 µS; 200 to 1999 µS; 2.00 to 19.99 mS; 20.0 to 199.9 mS |
| Conductivity Accuracy | ±1.0% FS |
| TDS Range | 0 to 100 g/L |
| Salinity Range | 0 to 100 ppt |
| Measurement Parameters | pH/mV, ORP (electrode included), Conductivity/TDS/Salinity/Resistivity, Temperature |
| pH Temperature Compensation Range | 0 to 100 °C (32 to 212 °F) |
| Resistivity Range | 0 to 100 MΩ |
| Meter Size / Weight | 65x120x31 mm / 180 g |
| Case Size / Weight | Big case: 360x270x76 mm / 1.7 kg |
| Basic Configuration | 201T-S ATC pH electrode, 301Pt-S ORP combination electrode, 2301T-S ATC conductivity electrode, pH standard buffer solution (pH 4.00, pH 7.00 and pH 10.01, 50 mL), 222 mV ORP standard buffer solution (50 mL), 1413 µS/cm conductivity standard solution (50 mL) |
| Conductivity Automatic Calibration | 1 point |
| Conductivity Temperature Compensation Range | 0 to 50 °C (32 to 122 °F) |
Related Products
Apera PCDI9500 | 9500 Series Research-grade Benchtop Multi-parameter Meter (pH/Cond./DO/Ion) | pH ±0.002, Cond. 0 to 2000 mS/cm, DO + Ion
Apera PCDI9500 | 9500 Series Research-grade Benchtop Multi-parameter Meter (pH/Cond./DO/Ion) | pH ±0.002, Cond. 0 to 2000 mS/cm, DO + Ion
Apera PCD9500 | 9500 Series Research-grade Benchtop Multi-parameter Meter (pH/Cond./DO) | pH ±0.002, Cond. 0 to 2000 mS/cm, Optical DO
Apera PCD9500 | 9500 Series Research-grade Benchtop Multi-parameter Meter (pH/Cond./DO) | pH ±0.002, Cond. 0 to 2000 mS/cm, Optical DO
Apera PC950 | 950 Series Benchtop pH/Conductivity Meter | pH 0 to 14.00, Cond. 0 to 200.0 mS/cm, USB + GLP
Apera PC950 | 950 Series Benchtop pH/Conductivity Meter | pH 0 to 14.00, Cond. 0 to 200.0 mS/cm, USB + GLP
Apera EC950 | 950 Series Benchtop Conductivity Meter | Cond. 0 to 200.0 mS/cm, ±1% F.S, USB + GLP
Apera EC950 | 950 Series Benchtop Conductivity Meter | Cond. 0 to 200.0 mS/cm, ±1% F.S, USB + GLP
Apera PH950 | 950 Series Benchtop pH Meter | pH 0 to 14.00, ±0.01 pH, USB + GLP
Apera PH950 | 950 Series Benchtop pH Meter | pH 0 to 14.00, ±0.01 pH, USB + GLP
Apera PH8500-SA | Premium Series Portable pH Meter (Strong Alkaline) | pH -2.00 to 16.00, LabSen 843 electrode, 500-set logger
Apera PH8500-SA | Premium Series Portable pH Meter (Strong Alkaline) | pH -2.00 to 16.00, LabSen 843 electrode, 500-set logger
Apera PC910 | 900 Series Benchtop pH/Conductivity Meter | pH 0 to 14.00, Cond. 0 to 200.0 mS/cm, USB + GLP
Apera PC910 | 900 Series Benchtop pH/Conductivity Meter | pH 0 to 14.00, Cond. 0 to 200.0 mS/cm, USB + GLP
Apera PH8500-SL | Premium Series Portable pH Meter (Soil) | pH -2.00 to 16.00, LabSen 553 Spear electrode, 500-set logger
Apera PH8500-SL | Premium Series Portable pH Meter (Soil) | pH -2.00 to 16.00, LabSen 553 Spear electrode, 500-set logger