Measure conductivity, TDS, salinity, resistivity, dissolved oxygen and temperature of water solutions and very cost effective.
Main Features
- Large LCD screen with controllable white backlight.
- Humanized designs like rack and skid proof shell make it more convenient for users.
- Double-parameter and equipped with DO electrode and conductivity electrode, can recognize electrode automatically.
- Built-in microprocessor chip with functions of auto calibration, auto temperature compensation, data storage, function setup, self-diagnosis, auto power off, low voltage display.
- Auto recognition of 8 standard conductivity solutions, and there are two options for standard solutions: USA series and China series.
- Adopt advanced conductivity measurement technology, one point calibration of conductivity electrode can meet the measuring accuracy requirements for test 0.5μ S/cm ~ 200mS/cm.
- Able to switch between conductivity, TDS, salinity and resistivity. Multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.
- Conductivity 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 structure polarographic DO electrode can measure temperature, salinity and dissolved oxygen simultaneously and equipped with special DO electrode calibration sleeve, only need 3~5 minutes for polarization.
- IP57 and equipped with calibration solution and carrying case.
Standard Configuration
- P-523 Conductivity/DO meter 1 unit
- Conductivity electrode 1 pc
- DO electrode 1 pc
- Temperature probe 1 pc
- Membrane cap 3 pcs
- DO electrode electrolyte (30ml) 1 bottle
- Backup AA battery 2 pcs
- Operation manual 1 copy
| 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 | Electrode: ±1.0% FS, Instrument: ±1.5% FS | |
| Temperature compensation | (0 ~ 100)℃ (automatic) | |
| Electrode constants | 0.1/1/10 cm-1 | |
| Reference temperature | 25℃, 20℃, 18℃ | |
| DO | Measuring range | (0 ~ 20.00) mg/L(ppm), (0 ~ 200.0)% | 
| Resolution | 0.1/0.01 mg/L(ppm) , 1/0.1 % | |
| Accuracy | ±0.40 mg/L, ±0.3% | |
| Response time | ≤30s (25℃, 90% response) | |
| Residual current | ≤0.1 mg/L | |
| Temperature compensation | (0 ~ 100)℃ | |
| Salinity compensation | (0 ~ 45) ppt (automatic) | |
| Pressure compensation | (66 ~ 200) kPa (manual) | |
| Automatic calibration | Air saturated by water, water saturated by air | |
| Electrode type | Polarographic | |
| Others | Data storage | 200 groups | 
| Storage contents | Series number, measuring value measuring unit and temperature | |
| Power | Two AA batteries (1.5V×2) | |
| Size & Weight | 160×90×30mm/360g (instrument) 480×300×60mm/1KG (with packing) | |
| Quality certificates | ISO9001, CE | |
| Working Conditions | Ambient temperature | (5 ~ 35)℃ | 
| Ambient humidity | ≤85% | |
| IP grade | IP57 | 
 
                                     
                                             
                                                                                                                                                     
                                                                                                                                                     
                                                                                                                                                     
                                                                                                                                                     
                                                                                                                                                     
                                                                                                                                                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