pH:

• Range: -2.00 - 16.00 pH
• Resolution: 0.01 pH
• Accuracy: ± 0.01 pH
• Calibration points: up to 5

Temperature:

• Range: -10.0°C - 110.0 °C; For DO measurement: 0 - 60.0°C
• Resolution: 0.1 °C
• Accuracy: ±0.3°C
• Compensation: ATC / MTC (0 - 100 °C) 

DO:

• Range: 0.0 - 20.00 mg/L or ppm
• Resolution: 0.01 mg/L; 0.01 ppm
• Accuracy ± 1.5 mg/L
• Calibration points: 1

Saturation of oxygen (%):

• Range: 0.0 - 200.0 %
• Resolution: 0.01 %
• Accuracy: ± 1.5 %

Salinity correction:

• Range: 0.0 - 50.0 ppt
• Resolution: 0.1 ppt
• Correction: automatic/manual

Barometric pressure correction:

• Range: 500 - 1499 mmHg or 66.6 - 199.9 kPa
• Resolution: 0.1 mmHg or 0.1 kPa
• Correction: automatic

• Stability Indicator
• Self-diagnostic; 
• Back-lit Display;
• Hold & Auto-Power Off after20 minutes 
• Sensor input: BNC, 6-pin 
• Power: 4 'AAA' x 1.4V batteries
• Warranty: 36 months