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

mV Range

±600.0 mV

mV Resolution

0.1 mV

mV Accuracy

±0.5 mV

ORP Range

±2000.0 mV

ORP Resolution

0.1 mV

ORP Accuracy

±1.0 mV

ORP Calibration

automatic at one custom point (relative mV)

EC Range

0 to 200 mS/cm (absolute EC up to 400 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 400000 ppm (mg/L); (the maximum value depends on the 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 or salinity 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

Salinity Range

0.00 to 70.00 PSU

Salinity Resolution

0.01 PSU

Salinity Accuracy

±2% of reading or ±0.01 PSU whichever is greater

Salinity Calibration

based on conductivity calibration

Seawater σ Range

0.0 to 50.0 σt, σ₀, σ₁₅

Seawater σ Resolution

0.1 σt, σ₀, σ₁₅

Seawater σ Accuracy

±1 σt, σ₀, σ₁₅

Seawater σ Calibration

based on conductivity or salinity calibration

DO Range

0.0 to 500.0%; 0.00 to 50.00 ppm (mg/L)

DO Resolution

0.1%; 0.01 ppm (mg/L)

DO Accuracy

0.0 to 300.0% saturation: ±1.5% of reading or ±1.0% saturation whichever is greater, 0.00 to 30.00 ppm (mg/L): ±1.5% of reading or ±0.10 ppm (mg/L), whichever is greater, 30.00 ppm (mg/L) to 50.00 ppm (mg/L): ±3% of reading, 300.0 to 500.0% saturation: ±3% of reading

DO Calibration

automatic one or two points at 0 and 100% or one custom point

Atmospheric Pressure Range

450 to 850 mm Hg; 17.72 to 33.46 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

Atmospheric Pressure Resolution

0.1 mm Hg; 0.01 in Hg; 0.1 mbar; 0.001 psi; 0.0001 atm; 0.01 kPa

Atmospheric Pressure Accuracy

±3 mm Hg within ±15°C from the temperature during calibration

Atmospheric Pressure Calibration

automatic at one custom point

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

PC 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.)

Ordering Information

HI98194 is supplied with HI7698194 probe, HI7698194-1 pH/ORP sensor, HI7698194-3 EC sensor, HI7698194-2 DO sensor, HI 76981942 Probe maintenance kit (HI 7042S DO electrolyte solution, DO membrane caps (5), O-rings for sensors (5), syringe with grease to lubricate the O-rings), HI9298194 Hanna PC software, HI920015 micro USB cable, 1.5V AA batteries (4), instruction manual, quick start guide, quality certificate, and rugged carrying case with custom thermoformed insert.