Portable pH/EC/DO Meter with Bluetooth HI98494

SKU : a6b05612c700

Functional and accurate, this meter is capable of testing 12 different water quality parameters using pH, EC, and optical DO sensors. Transfer data to a smart device for review or sharing with the integrated Bluetooth connection and Hanna Lab App.

  • Waterproof ( meter rated IP67, probe rated IP68)
  • Automatic interval logging of up to 45,000 samples or log-on-demand
  • Perfect for environmental and industrial professionals.

*Products classified as Dangerous Goods can only be shipped via ground.

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Measurements & Logging

Measure up to 12 parameters. Don’t lose important data with automatic interval logging of up to 45,000 samples or choose to log-on-demand to store measurement data for key points.

Dual Power Source

The meter operates on a built-in lithium-ion battery and will automatically switch to AA alkaline batteries for at least 200 hours of testing.

GLP Data

For better traceability, calibration information is recorded along with a time and date stamp and stored with logged data.


Quick Calibration provides a speedy, single point calibration for pH, conductivity, and dissolved oxygen. Standard calibration options are also available.

HI98494_USBC_QuickConnect (1)


Built to be Durable

Designed to withstand the knocks, drops, and spills of real life, the IP67 body ensures top performance in any environment. These meters are protected against dust and water intrusion from any direction.

Quick Connect Probe

A Quick Connect DIN connector makes attaching and removing the probe simple and easy. The rubber coating protects the cable and provides a water-tight seal without twisting.

Data Transfer & Charging

The USB Type-C port provides for easy data transfer to memory stick, PC, or other device and is used to charge internal lithium-ion battery.

Digital Probe

Digital probe with built-in temperature sensor and three ports for pH (ORP), EC and optical DO sensors. Once connected, the meter aautomatically recognize the sensors.


Multiparameter Probe and Sensors

Sensor replacement is quick and easy with field replaceable, screw type connectors and are color-coded for easy identification.

pH/ORP Sensor

HI7698194-0 (pH only)
HI7698194-1 (pH/ORP)

EC sensor


Optical DO Sensor

* The optical dissolved oxygen sensor uses a smart cap that has an RFID tag that keeps track of the age of the cap and alerts you when it should be replaced.





Specification NameDetail
pH Range0.00 to 14.00 pH
pH Resolution0.01 pH
pH Accuracy (@25°C/77°F)± 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 Resolution0.1 mV
mV Accuracy ± 0.5 mV
ORP Range± 2000.0 mV
ORP Resolution0.1 mV
ORP Accuracy (@25°C/77°F)± 1.0 mV
ORP Calibrationautomatic at one custom point (relative mV)
Temperature Range-5.00 to 55.00 °C;23.00 to 131.00 °F;268.15 to 328.15 K
Temperature Resolution0.01 °C; 0.01 °F; 0.01 K
Temperature Accuracy (@25°C/77°F)± 0.15 °C; ± 0.27 °F; ±0.15 K
Temperature Calibrationautomatic at one custom point
EC Range0 to 200 mS/cm (absolute EC up to 400 mS/cm)
EC ResolutionManual: 1 µS/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cmAutomatic: 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/cmAutomatic (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 (@25°C/77°F)±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 Range0 to 400000 ppm (mg/L); (the maximum value depends on the TDS factor
TDS ResolutionManual: 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)
TDS Accuracy (@25°C/77°F)±1 % of reading or ±1 ppm (mg/L) whichever is greater
TDS Calibrationbased on conductivity or salinity calibration
Do Range0.0 to 500.0 %; 0.00 to 50.00 ppm (mg/L)
DO Resolution0.1 %; 0.01 ppm (mg/L)
DO Accuracy (@25°C/77°F)0.0 to 300.0 %: ± 1.5 % of reading or ± 1.0 % whichever is greater;300.0 to 500.0 %: ± 3 % of reading0.00 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
DO Calibrationautomatic one or two points at 0 and 100% or one custom point
Resistivity Range0 to 999999 ?·cm; 0 to 1000.0 k?·cm; 0 to 1.0000 M?·cm
Resistivity ResolutionDepending on resistivity reading
Resistivity Accuracy (@25°C/77°F)Based on conductivity or salinity calibration
Salinity Range0.00 to 70.00 PSU
Salinity Resolution0.01 PSU
Salinity Accuracy (@25°C/77°F)±2% of reading or ±0.01 PSU whichever is greater
Salinity Calibrationbased on conductivity calibration
Temperature CompensationAutomatic from -5 to 55 °C (23 to 131 °F)
ConnectivityUSB to PC with HI9298194 Hanna software installed
Power Supply1.5V AA batteries (4)
Power Consumptionapproximately 360 hours of continuous use without backlight (50 hours with backlight)
Environment0 to 50°C (32 to 122°F); RH 100% (IP67)
Dimensions185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)
Weight400 g (14.2 oz.)
Ordering InformationEach HI98494 is delivered in a rugged carrying case and is supplied with: HI7698494 Multi-sensor probe, HI7698194-1 pH/ORP sensor, HI7698194-3 EC/TDS/Resistivity/Salinity sensor, HI7698494-5 Optical DO sensor, HI764113-1 DO Smart Cap with o-ring, HI7698295 Short protective probe shield, HI7698290 Calibration beaker, HI9828-20 Quick calibration standard solution (230 mL), HI7040 Zero oxygen solution set (120 mL), HI76984942 Probe maintenance kit, HI920016 USB cable, 1.5V AA alkaline batteries (4 pcs.), Instrument quality certificate, Probe quality certificate, DO Smart Cap quality certificate, & Instruction manual.
Warranty 2 years
Recommended ProbeHI7698494 multiparameter probe, HI7698194-1 pH sensor, HI7698194-1 pH/ORP sensor, HI7698194-3 EC sensor, HI7698494-5 optical DO sensor