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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.)
