Portable pH/EC/DO Meter with Bluetooth - HI98494

In stock

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.

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.

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 Sensor HI7698194-0

pH/ORP Sensor

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

   HI7698194-3 EC Sensor





EC sensor







Optical DO Sensor

HI7698494-5 * 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.


Connect in the Field


Connect wirelessly via Bluetooth® to your smart device running the Hanna Lap App.




Measurement & Graphing

Select the measurement units to be displayed on your smart device. For trend analysis, take a look at the graph of your logged data.


Good Laboratory Practices (GLP)

Comprehensive GLP data can be reviewed for all parameters when the logged data is downloaded to your smart device.

Sort & Share

Group your data by time or notation. Email it for storage or share it with friends or colleagues. 






Specification Name Detail
sku HI98494
pH Range 0.00 to 14.00 pH
pH Resolution 0.01 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 Resolution 0.1 mV
mV Accuracy ± 0.5 mV
ORP Range ± 2000.0 mV
ORP Resolution 0.1 mV
ORP Accuracy (@25°C/77°F) ± 1.0 mV
ORP Calibration automatic 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 Resolution 0.01 °C; 0.01 °F; 0.01 K
Temperature Accuracy (@25°C/77°F) ± 0.15 °C; ± 0.27 °F; ±0.15 K
Temperature Calibration automatic at one custom point
EC Range 0 to 200 mS/cm (absolute EC up to 400 mS/cm)
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 (@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 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 100.0 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 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 (@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 reading 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
DO Calibration automatic one or two points at 0 and 100% or one custom point
Resistivity Range 0 to 999999 Ω·cm; 0 to 1000.0 kΩ·cm; 0 to 1.0000 MΩ·cm
Resistivity Resolution Depending on resistivity reading
Resistivity Accuracy (@25°C/77°F) Based on conductivity or salinity calibration
Salinity Range 0.00 to 70.00 PSU
Salinity Resolution 0.01 PSU
Salinity Accuracy (@25°C/77°F) ±2% of reading or ±0.01 PSU whichever is greater
Salinity Calibration based on conductivity calibration
Temperature Compensation Automatic from -5 to 55 °C (23 to 131 °F)
Connectivity USB to PC with HI9298194 Hanna software installed
Power Supply 1.5V AA batteries (4)
Power Consumption 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 Each 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 Probe HI7698494 multiparameter probe, HI7698194-1 pH sensor, HI7698194-1 pH/ORP sensor, HI7698194-3 EC sensor, HI7698494-5 optical DO sensor