HI98594 Portable Multiparameter pH/EC/Turbidity/opdo® Meter with Bluetooth®

Our Portable Multiparameter pH/EC/Turbidity/odpo® Meter with Bluetooth® (HI98594) makes testing simple and convenient. Monitor up to 14 different water quality parameters with just one device including pH, ORP, turbidity, EC/TDS, dissolved oxygen, resistivity, salinity, seawater σ, atmospheric pressure, and temperature.

Be up in running in no time with this complete kit! This meter arrives in a protective, heavy-duty carrying case and is ready to use right from the get-go with all essential supplies and accessories stored in one place. Customize this meter to fit your testing requirements and choose from several cable length options.

  • Handheld, portable size. Test anywhere in the field or at multiple facility checkpoints with this versatile meter. Easily take this meter with you and measure wherever you need to
  • Rugged and durable. This tough meter is waterproof and built to withstand harsh outdoor environments and conditions. Can handle the knocks and drops that may occur while testing
  • Fast and accurate. Our high-performance meter delivers precise results in the palm of your hand. Cut down on testing time and collect quick, consistent, and reliable measurements on the spot
Specification Name Detail
sku HI98594
pH Range 0.00 to 13.00 pH
pH Resolution 0.01 pH
pH Accuracy ±0.05 pH (Accuracy is evaluated with a calibrated system at ambient temperature.)
pH Calibration One point using HI9828-20 Quick Calibration Solution
Up to three points using pH 4.01, pH 6.86, pH 7.01, pH 9.18, pH 10.01 standard buffers and one customer buffer
mV Range ±600.0 mV
mV Resolution 0.1 mV
mV Accuracy ±3.0 mV (Accuracy is evaluated with a calibrated system at ambient temperature.)
ORP Range ±2000.0 mV
ORP Resolution 0.1 mV
ORP Accuracy ±10.0 mV (Accuracy is evaluated with a calibrated system at ambient temperature.)
ORP Calibration Automatic at one custom point (relative mV)
Temperature Range -5.00 to 50.00 °C; 23.00 to 122.00 °F; 268.15 to 323.15 K
Temperature Resolution 0.01 °C; 0.01 °F; 0.01 K
Temperature Accuracy ±0.15 °C; ±0.27 °F; ±0.15 K
Temperature Calibration Automatic at one custom point
EC Range 0 to 200 mS/cm; 0 to 400 mS/cm (absolute)
EC 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
EC Accuracy ±1% of reading or ±1 µS/cm, whichever is greater (Accuracy is evaluated with a calibrated system at ambient temperature.)
EC Calibration One point using HI9828-20 Quick Calibration Solution
One point using 84 µS/cm, 1413 µS/cm, 5.00 mS/cm, 12.88 mS/cm, 80.0 mS/cm, 111.8 mS/cm standard solutions 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)

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 100.00 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)
TDS Accuracy ± 1 % of reading or ± 1 ppm (mg/L), whichever is greater
TDS Calibration Based on conductivity or salinity calibration
DO Range 0.0 to 500.0 % saturation; 0.00 to 50.00 ppm (mg/L)
DO Resolution 0.1 % saturation; 0.01 ppm (mg/L)
DO Accuracy ±1.5 % of reading from 0.0 to 200.0 % saturation
±5 % of reading from 200.0 to 500.0 % saturation
±1.5 % of reading from 0.00 to 20.00 mg/L
±5 % of reading from 20.00 to 50.00 mg/L
(Accuracy is evaluated with a calibrated system at ambient temperature.)
DO 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)
Barometric 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
Barometric Pressure Resolution 0.1 mmHg; 0.01 inHg; 0.1 mbar; 0.001 psi; 0.0001 atm; 0.01 kPa
Barometric Pressure Accuracy ±3.0 mmHg within ±15 °C from calibration temperature
Barometric Pressure Calibration Automatic at one custom point
Resistivity Range 0 to 999999 Ω·cm; 0 to 1000.0 kΩ·cm (depending on resistivity reading); 0 to 1.000 MΩ·cm
Resistivity Resolution 1 Ω·cm; 0.1 kΩ·cm; 0.0001 MΩ·cm
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 One point, using a custom solution
Seawater Sigma Range 0.0 to 50.0 σt, σ015
Seawater Sigma Resolution 0.1 σt, σ015
Seawater Sigma Accuracy ±1.0 σt, σ015
Seawater Calibration Based on conductivity or salinity calibration
Turbidity Range 0.0 to 99.9 FNU; 100 to 1000 FNU
Turbidity Resolution 0.1 FNU from 0.0 to 99.9 FNU; 1 FNU from 100 to 1000 FNU
Turbidity Accuracy ±0.3 FNU or ±2 % of reading, whichever is greater (Accuracy is evaluated with a calibrated system at ambient temperature.)
Turbidity Calibration Automatic
Up to three points using 0 FNU, 20 FNU, 200 FNU, or custom
DO Pressure Compensation Automatic; 450 to 850 mmHg
Temperature Compensation Automatic; -5 to 50 °C; 23 to 122 °F; 268.15 to 323.15 K
Logging Memory Interval logging
50000 records

Log-on-demand (all parameters)
20000 records
Logging Interval 1 second to 3 hours
USBC (Host) Functions Mass-storage host
USBC (Device) Functions Mass-storage device
Protection Rating IP67
Environment 0 to 50 °C (32 to 122 °F); RH 100 %
Battery Type 4 x 1.5V AA alkaline batteries
1 X internal, Li-ion rechargeable battery
Battery Life ≈ 126 hours
90 hours using alkaline AA batteries
36 hours using Li-ion battery (Estimated time given without backlight and Bluetooth®.)
Dimensions 185 X 93 X 35.2 mm (7.3 X 3.6 X 1.4")
Weight 435 g (13.3 oz) (with batteries)