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METER SPECIFICATIONS
pH / mV
Range : 0.00 to 14.00 pH; ± 600.0 mV
Resolution : 0.01 pH; 0.1 mV
Accuracy: ± 0.02 pH; ± 0.5 mV
Calibration: One point, using HI9828-25 Quick calibration solution; Up to three points using five standard buffers; (pH 4.01, 6.86, 7.01, 9.18, 10.01) and one custom buffer
ORP
Range: ± 2000.0 mV
Resolution: 0.1 mV
Accuracy: ± 1.0 mV
Calibration : One point (relative mV)
Conductivity
Range: 0 to 200 mS/cm; 0 to 400 mS/cm (absolute)
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
Calibration: One point, using HI9828-25 Quick calibration solution; One point, using six standard solutions (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
Total Dissolved Solids (TDS)
Range: 0 to 400000 ppm (mg/L) (the maximum value depends on the TDS factor)
Resolution: Manual: 1 ppm (mg/L); 0.001 ppt (g/L); 0.01 ppt (g/L); 0.1 ppt (g/L); 1 ppt (g/L)
Automatic 1 ppm (mg/L) from 0 to 9999 ppm (mg/L); 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L); 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L)
Automatic: ppt (g/L) 0.001 ppt (g/L) from 0.000 to 9.999 ppt (g/L); 0.01 ppt (g/L) from 10.00 to 99.99 ppt (g/L); 0.1 ppt (g/L) from 100.0 to 400.0 ppt (g/L)
Accuracy : ±1 % of reading or ±1 ppm (mg/L), whichever is greater
Calibration: Based on conductivity calibration
Atmospheric Pressure
Range: 450.0 to 850.0 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 in Hg; 0.1 mbar 0.001 psi; 0.0001 atm; 0.01 kPa
Accuracy ±3.0 mmHg within ±15°C from calibration temperature
Calibration: One point using a custom value
Dissolved Oxygen (DO)
Range: 0.00 to 50.00 mg/L; 0.0 to 500.0 % saturation
Resolution: 0.01 mg/L; 0.1 % saturation
Accuracy: ±1.5 % of reading ± 0.01 mg/L from 0.00 to 20.00 mg/L; ±5 % of reading from 20.00 to 50.00 mg/L; ±1.5 % of reading ±0.1 % from 0.0 to 200.0 % saturation; ±5 % of reading from 200.0 to 500.0 % saturation
Calibration: One point, quick calibration in water-saturated air; One or two points, at 100 % and 0 %; One point, using a custom solution (% saturation or mg/L )
Salinity
Range: 0.00 to 70.00 PSU
Resolution: 0.01 PSU
Accuracy: ±2% of reading or ±0.01 PSU, whichever is greater
Calibration: One point, using a custom solution
Seawater Sigma
Range: 0.0 to 50.0 σt, σ0, σ15
Resolution: 0.1 σt, σ0, σ15
Accuracy: ±1.0 σt, σ0, σ15
Calibration: Based on conductivity or salinity calibration
Temperature
Range: -5.00 to 50.00 °C; 23.00 to 122.00 °F; 268.15 to 323.15 K
Resolution: 0.01 °C; 0.01 °F; 0.01 K
Accuracy: ±0.15 °C; ±0.27 °F; ±0.15 K
Calibration: One point using a custom value
Temperature: Compensation Automatic from -5 to 50 °C (23 to 122 °F)
Logging: Memory 50000 records, interval logging; 20000 records, log-on-demand of all parameters
Logging: Interval 1 second to 3 hours
USB-C (Host) Functions: Mass-storage host
USB-C (Device) Functions: Mass-storage device
Protection Rating: IP67
Environment:0 to 50 °C (32 to 122 °F); RH 100 %
Battery Typ:e 4 x 1.5 V AA alkaline batteries and 1x internal Li-ion rechargeable battery
Battery Life: Minimum 200 hours (AA batteries, without backlighting and Bluetooth®); Minimum 50 hours (Li-ion battery, without backlighting and Bluetooth®)
Dimensions: 185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)
Weight: (with batteries) 435 g (13.3 oz)









