| SKU | 
HI98195/40 | 
| Name | 
Multiparameter pH/ORP/EC/Pressure/Temperature Waterproof Meter – HI98195-40m (131.2′) | 
| pH Range | 
0.00 to 14.00 pH | 
| pH Resolution | 
0.01 pH | 
| pH Accuracy | 
±0.02 pH | 
| pH Calibration | 
automatic one, two, or three points with automatic recognition of five standard buffers (pH 4.01, 6.86, 7.01, 9.18, 10.01) or one custom buffer | 
| ORP Range | 
±2000.0 mV | 
| ORP Resolution | 
0.1 mV | 
| ORP Accuracy | 
±1.0 mV | 
| ORP Calibration | 
automatic at one custom point (relative mV) | 
| mV Range | 
±600.0 mV | 
| mV Resolution | 
0.1 mV | 
| mV Accuracy | 
±0.5 mV | 
| EC Range | 
0 to 9999 µS/cm; 0.000 to 200.0 mS/cm (absolute EC up to 400.0 mS/cm) | 
| EC Resolution | 
auto-ranging: 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; auto-ranging (fixed mS/cm): 0.001 mS/cm from 0.000 to 9.999 mS/cm; 0.01 from 100.0 to 400.0 mS/cm ; manual: 1 µS/cm; 0.001 mS/cm; 0.01 | 
| EC Accuracy | 
±1% of reading or ±1 µS/cm whichever is greater | 
| EC Calibration | 
automatic single point, with 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 | 
| TDS Range | 
0 to 9999 ppm (mg/L); 0.000 to 400.0 ppt (g/L) (maximum value depends on TDS factor) | 
| TDS 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); auto-ranging: 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); auto-ranging (fixed ppt): | 
| TDS Accuracy | 
±1% of reading or ±1 ppm (mg/L), whichever is greater | 
| TDS Calibration | 
based on conductivity calibration | 
| Salinity (PSU) Range | 
0.00 to 70.00 PSU | 
| Salinity (PSU) Resolution | 
0.01 PSU | 
| Salinity (PSU) Accuracy | 
±2% of reading or ±0.01 PSU whichever is greater | 
| Salinity (PSU) Calibration | 
based on conductivity calibration | 
| Salinity (Seawater Sigma) Range | 
0.0 to 50.0 σt, σ₀, σ₁₅ | 
| Salinity (Seawater Sigma) Resolution | 
0.1 σt, σ₀, σ₁₅ | 
| Salinity (Seawater Sigma) Accuracy | 
±1 σt, σ₀, σ₁₅ | 
| Salinity (Seawater Sigma) Calibration | 
based on conductivity calibration | 
| Resistivity Range | 
0 to 999999 Ω cm; 0 to 1000.0 kΩ cm; 0 to 1.0000 MΩ cm | 
| Resistivity Resolution | 
dependent on resistivity reading | 
| Resistivity Calibration | 
based on conductivity calibration | 
| Temperature Range | 
-5.00 to 55.00 °C, 23.00 to 131.00 °F, 268.15 to 328.15 K | 
| Temperature Resolution | 
0.01 K, 0.01 °C, 0.01 °F | 
| Temperature Accuracy | 
±0.15 °C; ±0.27 °F; ±0.15 K | 
| Temperature Calibration | 
automatic at one custom point | 
| Temperature Compensation | 
automatic from -5 to 55 °C (23 to 131 °F) | 
| Logging Memory | 
45,000 records (continuous logging or log-on-demand of all parameters) | 
| Logging Interval | 
one second to three hours | 
| Connectivity | 
USB to PC with HI9298194 Hanna software installed | 
| Battery Type/Life | 
1.5V AA batteries (4) / approximately 360 hours of continuous use without backlight (50 hours with backlight) | 
| Environment | 
0 to 50°C (32 to 122°F); RH 100% (IP67) | 
| Dimensions | 
185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”) | 
| Weight | 
400 g (14.2 oz.) |