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LCD display screen, 3.5 inches.
Multi-reading feature allows auto-read, timed-read and continuous-read.
Automatic/Manual temperature compensation ensures accurate results.
Auto-hold feature senses and locks the measurement endpoint.
Data capacity of up to 500 sets for each parameter (GLP-compliant).
Support for USB communication.
Auto-power off feature effectively extends the battery service life.
Reset feature automatically resumes all settings back to factory default options.
IP65 waterproof. The portable meter is suitable for fields measurements and out door measurements.
pH
1-5 points calibration with Standard Recognition.
Selectable pH buffer groups, including NIST, DIN, GB.
Automatic electrode diagnosis with pH slope and offset display.
Ion
1-5 points calibration.
Selectable measurement unit, including μg/L, mg/L, g/L, mmol/L, pX, ppm, etc.
Measurement modes are supported, including Direct Reading mode, Standard Addition mode, Sample Addition mode and GRAN mode.
Over 10 methods are built-in, including F-, Cl-, Br-, I-, NO3-, BF4-, NH4+, K+, Na+, Ca2+, Cu2+, Pb2+, Ag+ and etc., user-defined method is supported.
Conductivity
1-3 points calibration with Standard Recognition.
Settable parameters, including cell constant, temperature compensation coefficient, and TDS factor.
Temperature compensation type (none, linear, pure water).
DO
Support for air-saturated water or zero oxygen calibration.
Auto barometric pressure compensation
Manual Salinity Factor Correction
Selectable pressure unit, including kPa, mbar, Torr, Atm.
Includes
E-301-QC 3 in 1 pH composite electrode
DJS-1VTC EC electrode
DO-958-Q polarographic DO electrode
NIST pH standard solution(4.01, 7.00, 10.01) ，50ml/vial
1413μS/cm EC standard solution, 50ml, 1 vial
Electrode holder
Silicone rubber case
Wristbands
Carrying Case
| Model | M310F | |
| Parameters | pH/EC/ISE/DO/Temp. (mV/ORP/pX/Resistivity/TDS/Sal./DO Saturation) | |
| pH | Range | -2.00 to 20.00pH |
| Resolution | 0.1, 0.01 pH | |
| Accuracy | ±0.01 pH | |
| Calibration Points | Up to 5 | |
| Standard Customization | Yes | |
| Standard Recognition | NIST, GB, USA and DIN buffers | |
| Slope Limit | Yes | |
| mV | Range | -2000.0 to 2000.0 mV |
| Resolution | 0.1 | |
| Accuracy | ±0.3 mV or ±0.1% | |
| pX | Range | -2.00 to 20.00 |
| Resolution | 0.1, 0.01 pX | |
| Accuracy | ±0.01 pX | |
| Calibration Points | Up to 5 | |
| ISE | Range | 1E-9 to 9.999E9 |
| Units | mol/L, mmol/L, g/L, mg/L, μg/L | |
| Resolution | Up to 4 significant digits | |
| Accuracy | ±0.5% | |
| Calibration Points | Up to 5 | |
| Conductivity | Range | 0.000 μS/cm to 500 mS/cm |
| Resolution | 0.001 μS/cm minimum, various with range selection | |
| Accuracy | ±1.0% FS | |
| Reference Temperature | 20, 25 oC | |
| Calibration Points | Up to 3 | |
| Standard Recognition | 84μS/cm, 1413μS/cm, 12.88mS/cm | |
| Resistivity | Range | 5.00 Ω·cm~20.00 MΩ·cm |
| Resolution | 0.01 Ω·cm minimum | |
| Accuracy | ±1.0% FS | |
| TDS | Range | 0.00mg/L~300g/L |
| Resolution | 0.01mg/L minimum, various with range selection | |
| Accuracy | ±1.0% | |
| Salinity | Range | (0.00~8.00)% |
| Resolution | 0.01% | |
| Accuracy | ±0.2% | |
| Dissolved Oxygen Concentration | Range | 0.00 to 50.00 mg/L |
| Resolution | 0.01mg/L | |
| Accuracy | ±0.1mg/L | |
| Calibration Points | Air-saturated water or zero point | |
| Barometric Compensation | Yes | |
| Manual Salinity Factor Correction | Yes | |
| Saturation | Range | (0.0 to 300.0)% |
| Resolution | 0.1% | |
| Accuracy | ±10.0% | |
| Temperature | Range | -5 to 110 oC, 23 to 230 oF |
| Unit | oC, oF | |
| Resolution | 0.1 | |
| Relative Accuracy | ±0.2 | |
| Measurement | Reading Mode | Auto Read (Fast, Medium, Slow), Timed, Continuous |
| Reading Prompts | Reading, Stable, Locked | |
| Temp. Compensation | ATC, MTC | |
| Data management | Data Storage | 500 results each |
| GLP Features | Yes | |
| Inputs | pH Electrode | BNC(Q9) |
| DO with Temp. Probe | 4-pin aviation connector | |
| Conductivity with Temp. Probe | 5-pin aviation connector | |
| Outputs | USB | PC, printer |
| Display options | Backlight | Yes |
| Auto Shutdown | 300, 600, 1200, 1800, 3600 sec., off | |
| IP Rating | IP65 | |
Date and Time | Yes | |
| General | Power | Rechargeable Lithium battery, AC Adapter, 100-240V AC input, DC5V output |
| Dimensions | 80×255×35 mm | |
| Weight | 400g (0.88 lb) | |
