Máy đo đa năng Hanna có GPS HI 982804-02 (pH, ORP, DO, EC, Điện trở suất, TDS, mặn, tỷ trọng nước biển....)

Thông số kỹ thuật:
pH     

Range     0.00 to 14.00 pH
 Resolution     0.01 pH
 Accuracy     ±0.02 pH
mV of pH Input     

Range     ±600.0 mV
    Resolution     0.1 mV
    Accuracy     ±0.5 mV
ORP

    Range     ±2000.0 mV
    Resolution     0.1 mV
    Accuracy     ±1.0 mV
Dissolved Oxygen     

Range     0.0 to 500.0% / 0.00 to 50.00 mg/L
Resolution     0.1% / 0.01 mg/L
Accuracy     0.0 to 300.0%: ±1.5% of reading or ±1.0% whichever is greater; 300.0 to 500.0%: ±3% of reading; 0.00 to 30.00 mg/L: ±1.5% of reading or 0.10 mg/L whichever is greater; 30.00 mg/L to 50.00 mg/L: ±3% of reading
Conductivity     

Range     0.000 to 200.000 mS/cm (absolute EC up to 400 mS/cm)
Resolution     manual: 1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm; automatic: 1 µS/cm from 0 to 9999 µS/cm; 0.01 mS/cm from 10.00 to 99.99 mS/cm; 0.1 mS/cm from 100.0 to 400.0 mS/cm; automatic mS/cm: 0.001 mS/cm from 0.000 to 9.999 mS/cm; 0.01 mS/cm from 10.00 to 99.99 mS/cm; 0.1 mS/cm from 100.0 to 400.0 mS/cm
    Accuracy     ±1% of reading or ±1 µS/cm whichever is greater
Resistivity     

Range     0 to 999999 Ω•cm; 0 to 1000.0 kΩ•cm; 0 to 1.0000 MΩ•cm
Resolution     dependent on resistivity reading
TDS     

Range     0 to 400000 mg/L or ppm (the maximum value depends on the TDS factor)
Resolution     manual: 1 mg/L (ppm); 0.001 g/L (ppt); 0.01g/L (ppt); 0.1 g/L (ppt); 1 g/L (ppt); autorange scales: 1 mg/L (ppm) from 0 to 9999 mg/L (ppm); 0.01 g/L (ppt) from 10.00 to 99.99 g/L (ppt); 0.1 g/L (ppt) from 100.0 to 400.0 g/L (ppt); autorange g/L (ppt) scales: 0.001 g/L (ppt) from 0.000 to 9.999 g/L (ppt); 0.01 g/L (ppt) from 10.00 to 99.99 g/L (ppt); 0.1 g/L (ppt) from 100.0 to 400.0 g/L (ppt)
Accuracy     ±1% of reading or ±1 mg/L (ppm) whichever is greater
Salinity     

Range     0.00 to 70.00 PSU (Extended Practical Salinity Scale)
Resolution     0.01 PSU
Accuracy     ±2% of reading or 0.01 PSU whichever is greater
Seawater Specific Gravity

Range     0.0 to 50.0 σt, σ0, σ15
Resolution     0.1 σt, σ0, σ15
Accuracy     ±1 σt, σ0, σ15
Atm. Pressure

Range     450 to 850 mmHg; 17.72 to 33.46 inHg; 600.0 to 1133.2 mbar; 8.702 to 16.436 psi; 0.5921 to 1.1184 atm; 60.00 to 113.32 kPa
Resolution     0.1 mmHg; 0.01 inHg; 0.1 mbar; 0.001 psi; 0.0001 atm; 0.01 kPa
Accuracy     ±3 mmHg within ±15°C from the calibration temperature
Temperature

Range     -5.00 to 55.00°C; 23.00 to 131.00°F; 268.15 to 328.15K
Resolution     0.01°C; 0.01°F; 0.01K
Accuracy     ±0.15°C; ±0.27°F; ±0.15K
Calibration     

pH     automatic one, two, or three points with five memorized standard buffers (pH 4.01, 6.86, 7.01, 9.18, 10.01) or one custom buffer
ORP     automatic at one custom point
Conductivity     automatic one point with six memorized standards (84 µS/cm, 1413 µS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm) or custom point
DO     automatic one or two points at 0, 100% or one custom point
Resistivity, TDS, σ     based on conductivity or salinity calibration
Salinity     one custom point
 Atm. Pressure,
Temperature     automatic at one custom point
Temperature
Compensation           automatic from -5 to 55°C (23 to 131°F)
Logging Memory           up to 60,000 samples with 13 measurements each; Up to 45,000 samples with 15 measurements each (GPS)
Logging Interval: 1 second to 3 hours
Computer Interface:   USB (with HI 929829 software)
Waterproof Protection:  meter IP67, probe IP68
Environment: 0 to 50°C (32 to 122°F); RH 100%
Power Supply:  1.5V alkaline C cells (approximately 150 hours of continuous use without backlight) (4) / 1.2V rechargeable C cells (approximately 70 hours of continuous use without backlight) (4)
Dimensions Meter/Probe:   221 x 115 x 55 mm (8.7 x 4.5 x 2.2”) / 270 x 46 mm DIA (10.6 x 1.8” DIA)
Weight meter: 750 g (26.5 oz.); probe: 750 g (26.5 oz.)