| pH/mv resolution | 0.01 pH/0.1mV |
| Accuracy -pH/mv | ±0.02pH/±0.5mV |
| Calibrated -pH/mv | Automatic one-point, two-point, or three-point calibration using HI9828-25 automatically recognizes five standard buffers (pH4.01, 6.86, 7.019.18, 10.01) or one custom buffer |
| ORP resolution | 0.1mV |
| Accuracy - ORP | ±1.0mV |
| Calibrate -ORP | Manual calibrating at a custom point (relative mV) |
| EC resolution | Manual: 1 μS/cm; 0.001mS/cm; 0.01mS/cm; 0.1mS/cm; 1mS/cm. Automatic: 1 μS/cm from 0 to 9999 μS/cm; 0.01mS/cm from 10.00 to 99.99 mS/cm; 0.1 mS/cm from 100.0 to 400.0 mS/cm |
| Accuracy -EC | +/- 1% measurement result or +/- 1 μS/cm MAX Maximum |
| Calibrate -EC | Automatic single point quick calibrate with HI9828-25, automatic single point with six standard buffers (p84 μS/cm, 1413 μS/cm, 5.00 mS/cm, 12.88mS/cm, 80.0mS/cm, 111.8 mS/cm) or custom |
| TDS resolution | Manual: 1ppm (mg/L); 0.001ppt (mg/L); 0.01ppt (mg/L); 0.1ppt (mg/L); 1ppt (mg/L). Automatic: 1ppm (mg/L) from 0 to 9999ppm (mg/L); 0.01ppt (mg/L) from 10.00 to 99.99 ppt (mg/L) |
| Accuracy - TDS | +/- 1% measurement result or +/- 1ppm (mg/L) MAX Maximum |
| Calibrated -TDS | Conductivity Detector auto calibration |
| Range - resistivity | 0 to 999999 Ω●cm;0 to 1000.0 kΩ●cm;0 to 10000 MΩ●cm |
| Resolution - resistivity | Depending on resistivity readings |
| Calibrated - resistivity | Conductivity Detector auto calibration |
| Range - salinity | 0.00 to 70.00 PSU |
| Resolution - salinity | 0.01 PSU |
| Accuracy - salinity | +/- 2% measurement result or +/- 0.01PSU MAX Maximum |
| Calibrated - salinity | Conductivity Detector auto calibration |
| Compensation - salinity | Dissolved oxygen salinity compensation |
| Range - seawater sigma | 0.0 to 50.0 σ,σ0,σ15 |
| Resolution - seawater sigma | 0.1 σ,σ0,σ15 |
| Accuracy - seawater sigma | ±1 σ,σ0,σ15 |
| Calibrated - seawater sigma | Conductivity Detector auto calibration |
| Range - dissolved oxygen | 0.0 to 500.0%;0.00 to 50.00 ppm (mg/L) |
| Resolution - dissolved oxygen | 0.1%;0.01 ppm (mg/L) |
| Accuracy - dissolved oxygen | +/- 1.5% measurement result ; +/- 0.01 mg/L for 0.00-20 mg/L. +/- 5% measurement result; 20.00-50 mg/L |
| Calibrated - dissolved oxygen | Automatic quick calibrating in water saturated air 100%, 100% and 0% one or two point calibrating, manual single point calibrating, or using user-entered saturation and mg/L values |
| Range - atmospheric pressure | 450 to 850 mmHg;17.72 to 33.45 in Hg;600.0 to 1133.2 mbar;8.702 to 16.436 psi; 0.5921 to 1.1184 atm; 60.00 to 113.32 kPa |
| Accuracy - atmospheric pressure | +/- 3Mm at +/- 15 ° C calibrated temperature |
| Calibrated - atmospheric pressure | A custom point auto calibration |
| Range - Temperature | -5.00 to 55.00℃;23.00 to 131.00℃;268.15 to 328.15K |
| Resolution - Temperature | 0.01℃;0.01℉;0.01K |
| Accuracy - Temperature | ±0.15℃;±0.27℉;±0.15K |
| Calibrated - Temperature | A custom point auto calibration |
| temperature compensation | Automatic compensation -5 to 55 ° C (23 to 131 ° F) |
| data storage | 45,000 record interval logs or 25,000 records for all parameters on demand |
| data storage interval | One second to three hours |
| Connectivity | BlueToothR Bluetooth Connect to Hanna Lab App |
| Operating Environment | 0 to 50℃(32 to 122 ℉);RH100%IP67 |
| Battery Type/Lifespan | 1.5V AA battery (4); built-in lithium battery (1)/minimum 200 hours (AA, no turn-on backlight and Bluetooth) minimum 50 hours (lithium battery, no turn-on backlight and Bluetooth) |
| Dimensions | 185*93*35.2mm |
| Weight | 400g |
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;