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Pool Line Multiparameter Waterproof Portable pH/ ORP/EC/Temperature Meter - HI981954

Pre-order, Ships within 8-9 Weeks​

SKU: HI981954 Categories , Tag


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HI981954 Pool Line Multiparameter Waterproof Portable pH/ORP/EC/Temperature meter is made for measuring key water quality parameters in swimming pool, hot tub, or spa water. This is an advanced meter uses a single weighted probe with multiple sensors to measure multiple parameters simultaneously and display results as pH, pH in mV, ORP, conductivity (EC), total dissolved solids (TDS), salinity, and temperature. The meter has a built-in pressure transducer for barometric pressure readings.

  • One probe with field replaceable pH/ORP, EC and temperature sensors
  • Auto-ranging for EC and TDS readings
  • Display up to 11 measurements simultaneously

Pre-order, Ships within 8-9 Weeks​


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HI981954 Pool Line Multiparameter Waterproof Portable Temperature meter is a single tool that allows swimming pool, hot tub, and spa service technicians to measure key water quality parameters for both traditional and electrolytic saltwater pools. The auto-ranging conductivity/TDS readings can be used for low range readings to track the increase in chemicals as water evaporates from a pool and for the higher range measurement of salt required for the proper electrolysis of sodium chloride to produce chlorine.

The HI981954 can be used for both routine measurements and for process calibration in which the measurement information is then used to update the calibration of process pH, ORP and conductivity meters.

HI981954 offers many advanced features from a large dot matrix LCD that provides for an intuitive user interface in the operation of the meter, log on demand for storing readings, USB port for transferring data, and GLP data for tracking calibration data. The HI98195 has 5 sensors (pH, ORP, EC, temperature, barometric pressure) and 6 interpretative measurements (pH in mV, absolute conductivity, TDS, resistivity, salinity, seawater sigma). The HI981954 can display up to 11 parameters simultaneously on the large dot matrix LCD. The readings can be scaled in size based on the number of parameters (1 to 11) that are displayed.

On-Screen Features

Setup Screen
Our extensive setup screen features a host of configurable options such as time, date, temperature units and language for help screens and guides.

Standard or Quick Calibration
Quick Calibration provides a speedy, single point calibration for pH and conductivity. Standard pH calibration options are available for calibrating up to three points from a selection of five standard buffers and one custom buffer. Conductivity calibration is a single point from six standard selections or one custom standard.


Comprehensive GLP functions are directly accessible by pressing the GLP key. Calibration data, including date, time, and calibration values are stored with logged data for retrieval at a later time.


Ergonomic, rugged, waterproof (IP67) design

pH CAL Check™

  • Alerts user to potential problems during calibration including when to clean electrode and possible buffer contamination.

Five point pH calibration with seven standard buffers and five custom buffers

Quick Calibration of pH and EC sensors with a single solution

Automatic Temperature Compensation


  • Store measurement data at the press of a button


  • freezes reading on display upon stabilization

GLP features

  • GLP data including date, time, calibrated values, slope and offset (pH)

Calibration timeout to alert the user at a defined interval when the calibration has expired

Multiple language selection

200-hour battery life with battery level displayed on measurement screen

Menu driven for ease of use with virtual-key extended functionality

Contextual help at the press of a button

Backlit, graphic LCD

Meter displays a clock tag that will disappear when the reading has achieved stability

Battery Error Prevention System (BEPS)

  • Turns meter off when battery power is too low for an accurate measurement


  • PC connectivity via a sealed opto-isolated micro USB and HI92000 software
SKU HI981954
Name Pool Line Multiparameter Waterproof Portable pH/ ORP/EC/Temperature Meter – HI981954
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 to 400, 000 ppm (mg/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 or salinity 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 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
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
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.)

HI981954 is supplied with HI7698195 multiparameter probe, HI7698194-1 pH/ORP sensor, HI7698194-3 EC/TDS/Salinity/Resistivity sensor, HI9828-20 quick calibration solution (230 mL), HI7698295 protective probe shield, HI76981952 probe maintenance kit, HI7698290 calibration beaker, HI920015 micro USB cable, 1.5V AAA batteries (4 pcs.), instrument quality certificate, probe quality certificate, and instruction manual packaged in a rugged thermoformed carrying case.

Pool Line Multiparameter Waterproof Portable pH/ ORP/EC/Temperature Meter – HI981954


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